Viessmann VITOTRONIC 200 Service Instructions Manual
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Viessmann VITOTRONIC 200 Service Instructions Manual

Heat pump control unit
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See also: Technical Data Manual , Quick Reference Manual
Service instructions
for contractors
Vitotronic 200
Type WO1C
Heat pump control unit
■
For air/water heat pumps with indoor and outdoor units, split or monoblock ver-
sion: Vitocal 100-S/111-S, Vitocal 200-A/222-A, Vitocal 200-S/222-S
For air/water heat pumps for indoor/outdoor installation, monoblock version:
■
Vitocal 200-A, Vitocal 300-A, type AWO-AC 301.B and AWO 302.B
■
For compact brine/water heat pumps: Vitocal 222-G, Vitocal 333-G
VITOTRONIC 200
6020389 GB
12/2018
VIESMANN
Please keep safe.

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Summary of Contents for Viessmann VITOTRONIC 200

  • Page 1 VIESMANN Service instructions for contractors Vitotronic 200 Type WO1C Heat pump control unit ■ For air/water heat pumps with indoor and outdoor units, split or monoblock ver- sion: Vitocal 100-S/111-S, Vitocal 200-A/222-A, Vitocal 200-S/222-S For air/water heat pumps for indoor/outdoor installation, monoblock version: ■...
  • Page 2 ■ OFF the appliance and let it cool down. lidate our warranty. ■ Never touch hot surfaces on the appliance, fit- For replacements, use only original spare parts tings or pipework. supplied or approved by Viessmann.
  • Page 3 Safety instructions Safety instructions (cont.) Safety instructions for operating the system What to do if water escapes from the appliance Danger If water escapes from the appliance there is a Danger risk of scalding. If water escapes from the appliance there is a Never touch hot heating water.

  • Page 4: Table Of Contents

    Index Index 1. Information Symbols ....................15 2. Introduction Scope of functions ................. 16 System examples ................16 ■ Appliance types ..................16 Compact brine/water heat pumps ..........16 ■ Air/water heat pumps for indoor and outdoor installation, monoblock ■ version ...................
  • Page 5 Index Index Notes on minimum flow rate ............... 48 ■ System configurations ................ 48 ■ Weather-compensated control ............50 ■ Room temperature-dependent control ..........51 ■ Heating limit and cooling limit ............. 51 ■ Changeover between central heating and central cooling ....51 ■...
  • Page 6 Index Index 0E Ventilation unit ................78 ■ 0F Ventilation unit ................78 ■ 10 Outside temp. sensor ..............78 ■ 18 Outside temp. sensor ..............79 ■ 20 Flow sensor secondary ..............79 ■ 21 Return sensor secndry ..............79 ■...
  • Page 7 Index Index A8 Heating circ. pump HC1 ..............92 ■ A9 Heat pump ..................92 ■ AA Cancel defrost ................93 ■ AB Instant.htg wtr heater ..............93 ■ AC compressor block ................. 93 ■ AD Mixer heating/DHW ..............94 ■...
  • Page 8 Index Index Message history [4-6] / [4-7] ............164 ■ Message history [6] ................ 172 ■ Message history [7] / [7-1] ............175 ■ Energy statement ...................178 Calling up the energy statement ............179 ■ Calling up the seasonal performance factor ........179 ■...
  • Page 9 Index Index 7031 Start hysteresis solar air absorber ........205 7032 Solar absorber hysteresis ........... 205 7033 Minimum temp. for solar absorber primary source ..... 206 7034 Average ground temperature in summer mode ....206 7035 Min. runtime to suppress summer mode ......
  • Page 10 Index Index 6040 Enable elec. heating/ext. HS for reheating only ...... 221 6060 Blocking time DHW heating .............221 6061 Max. interruption DHW heating ..........222 14. Parameter group Solar Calling up the parameter group ............. 223 7A00 Type solar control unit .............
  • Page 11 Index Index 2003 Remote control ................ 241 2005 Room temperature control ............242 2006 Heating curve level ............... 242 2007 Heating curve slope ..............242 200A Influence room temperature hook-up ........243 200B Room temperature hook-up ............ 243 200E Max. flow temperature heating circuit ........
  • Page 12 Index Index 7D71 Control voltage matching, supply air fan .........257 7D72 Control voltage matching, exhaust air fan ......258 7D75 Sensor matching, outdoor air temperature ......258 7D76 Sensor matching, outdoor air temp after preheating coil ..258 7D77 Sensor matching, supply air temperature .......
  • Page 13 Ω ■ Viessmann NTC 20 k (orange marking) ........... 315 Ω ■ Viessmann Pt500A (green marking) ...........316 ■ Connection to EEV PCB [4-3] / [4-4] / [4-6] / [4-7]: NTC 10 k ■ Ω marking) ....................317 Connection to EEV PCB [6]: NTC 10 k (no marking) .......
  • Page 14 Index Index (cont.) 29. Certificates Declarations of conformity for heat pumps ..........323 30. Keyword index ........................324...
  • Page 15 Information Symbols Refrigerant circuit controller Symbol Meaning Symbol Meaning Reference to other document containing further information Content only applies to heat pumps with refrigerant circuit controller 2, e.g. Vitocal 200-A. Step in a diagram: The numbers correspond to the order in Content only applies to heat pumps with which the steps are carried out.

  • Page 16: Introduction Scope Of Functions

    These service instructions include the following infor- The functions and control characteristics of the heat mation regarding the Vitotronic 200, type WO1C heat pump control unit are matched to the relevant heat pump control unit for air/water heat pumps with sepa- pump by means of the coding card.

  • Page 17: Version

    Introduction Appliance types (cont.) Air/water heat pumps for indoor and outdoor installation, monoblock version All components of the refrigerant circuit are installed in Heat pumps for outdoor installation a single appliance. The heat pump is installed outdoors. The building is Heat pumps for indoor installation heated or cooled via the hydraulic connection lines.
  • Page 18 Compact indoor unit without installation kit with circuit, the indoor unit also houses the refrigerant cir- mixer cuit condenser and Vitotronic 200, type WO1C heat pump control unit. The indoor and outdoor units are hydraulically connec- ted to each other via refrigerant lines. The indoor and outdoor units communicate via Modbus.
  • Page 19 Introduction Appliance types (cont.) Compact indoor unit with installation kit with mixer (accessories) Fig. 3 Flow, heating circuit without mixer A1/HC1 3-way diverter valve "Central heating/DHW heat- ing" Instantaneous heating water heater (factory-fitted or as accessory, depending on type) Secondary pump Condenser Compressor Evaporator...

  • Page 20: Sion

    Modbus. All components of the refrigerant circuit are located in the outdoor unit, including the refrigerant circuit con- troller. Alongside the hydraulic components for the secondary circuit, the indoor unit houses the Vitotronic 200, type WO1C heat pump control unit.
  • Page 21 Introduction Appliance types (cont.) Indoor unit as wall mounted appliance Compact indoor unit without installation kit with mixer Fig. 4 Secondary circuit flow (central heating and DHW heating) 3-way diverter valve "Central heating/DHW heat- ing" Instantaneous heating water heater (factory-fitted or as accessory, depending on type) Secondary pump Condenser...
  • Page 22 Introduction Appliance types (cont.) Compact indoor unit with installation kit with mixer (accessories) Fig. 6 Flow, heating circuit without mixer A1/HC1 3-way diverter valve "Central heating/DHW heat- ing" Instantaneous heating water heater (factory-fitted or as accessory, depending on type) Secondary pump Condenser Compressor Evaporator...

  • Page 23: Refrigerant Circuit Controller

    Introduction Appliance types (cont.) Overview of system components and functions for air/water heat pumps with indoor and outdoor units, monoblock version System com- Page Indoor unit as wall mounted appliance Indoor unit as compact appliance ponent/func- Vitocal 200-A Vitocal 222-A tion Heating/cool- In conjunction with buffer cylinder:...

  • Page 24: Setting Levels

    Introduction Appliance types (cont.) Refrigerant circuit controller Heat pump Refrigerant circuit controller [4-3] [4-4] [4-6] [4-7] [7] / [7-1] Brine/water heat pumps Vitocal 222-G ■ Vitocal 333-G ■ Air/water heat pumps for indoor installation, monoblock version Vitocal 200-A, type AWCI-AC 201.A ■...

  • Page 25: Programming Unit

    ■ The settings of Coding level 1 may only be carried out by heating contractor personnel who have been trained in the use of Viessmann heat pumps. To call up coding level 1, see page 193. Programming unit Standard menu 21 °C...

  • Page 26: Primary Source, Ice Store/Solar

    Primary inlet temperature is ■ within the valid range. Electrical devices also required in addition to the heat Ice store extension: pump with Vitotronic 200, type WO1C: ■ Switching the 3-way diverter valve and absorber cir- cuit pump Vitosolic 200:...

  • Page 27: Operation With External Heat Generator (Not For Compact Appliances)

    Function description Primary source ice store/Solar air absorber (cont.) Summer mode ends under the following conditions: ■ If, on a single day after "Calendar week, earliest end summer mode, ice store 703A", the heat pump was operating to provide central heating for more than the "...

  • Page 28: Heating Water Buffer Cylinder

    Function description 2-stage refrigerant circuit (cont.) Switching on the compressor The refrigerant circuit controller always switches on the The compressors start according to the following sys- compressor that was not running most recently. This tem, depending on the output integral I ensures that the runtimes of the two compressors remain balanced.

  • Page 29: Heat Pump Cascade

    Function description 2-stage refrigerant circuit (cont.) System for switching off the compressors Output integral I Compressor < "Start threshold 730E" < 0.5 times the "Start threshold 730E" Compressor 1: The compressor started first Compressor 2: The compressor started last Output integral: The integral of the duration and extent of the deviation between the set and actual return temperature in the secondary circuit For further information on the output integral: See...

  • Page 30: Central Heating

    (cont.) Detailed system schemes for heat pump cascades: If no priority is set for the swimming pool ("Priority www.viessmann-schemes.com external demand 7019" on "0"): The swimming pool is only heated if there is no heat demand from the Electrical connection and enabling heating/cooling circuits and/or the buffer cylinder.

  • Page 31: Calling Up Heat Pumps

    Function description Heat pump cascade (cont.) Parameter with output without out- control put control LON communication module installed "1" "1" "1" — "Enable LON communication mod- ule 7710" "LON system number 7798" "1" to "5" "1" to "5" "1" to "5" —...

  • Page 32: Shutting Down Heat Pumps

    Function description Heat pump cascade (cont.) Shutting down heat pumps Lag heat pumps and/or compressors are shut down If the return temperature in the secondary circuit when the different stages of the output integral I exceeds the set value by the stop hysteresis, the lead heat pump as well as all lag heat pumps are immedi- times "Start threshold 730E") are undershot, in ately stopped, irrespective of output integral I...

  • Page 33: External Hook-Up For Heating/Cooling Circuits

    Function description External functions (cont.) Secondary circuit set flow temperature External demand Operating status changeover External blocking Note Highest flow temperature resulting No set value specified In systems incorporating a buffer cyl- from the currently applicable oper- inder the set buffer temperature is ating status of the system compo- Note specified.

  • Page 34: Signal Effects

    Function description External hook-up for heating/cooling circuits (cont.) Enabling this has the following effects on the functions External functions are not available: External ■ of the heat pump control unit: demand, operating status changeover, external ■ The time programs for central heating/cooling for the blocking relevant heating/cooling circuit are disabled.

  • Page 35: Smart Grid

    Function description Smart Grid The Smart Grid functions are used to match heat Smart Grid functions are switched on via 2 floating ■ pump operation to the available energy in the grid. To contacts of the power supply utility. enable Smart Grid, set "Enable Smart Grid 7E80" to ■...

  • Page 36: Connection To Heat Pump Control Unit

    Function description Smart Grid (cont.) Connection to heat pump control unit Requirement: "Enable Smart Grid 7E80" set to "4". Note If the Smart Grid is connected to the two digital ■ X3.1 X3.1 inputs on the main PCB ("Enable Smart Grid 7E80" set to "4"), the external hook-up for the heating/cool- ing circuits must not be switched on ("Remote con- trol 2003"...

  • Page 37: Booster Heaters

    Function description Smart Grid (cont.) Floating contact Function System components are heated to the set max. temperatures or cooled to the minimum temperatures. The compressor starts immediately, even when no time phase is active in the time program. Max. temperatures for different functions: DHW heating: ■...

  • Page 38: External Heat Generator

    Function description Booster heaters (cont.) External heat generator The heat pump control unit enables dual mode opera- Dual mode operation with ice store ■ tion of the heat pump with an external heat source, If an ice store is available as a primary source, the e.g.

  • Page 39: Instantaneous Heating Water Heater

    Function description Booster heaters (cont.) Stop criteria DHW reheating: ■ ■ The heat pump control unit switches the external Provide 1 high limit safety cut-out in the following heat generator off if both of the following conditions position: are met: –...

  • Page 40: Dhw Heating

    Operation of the instantaneous heating water heater ■ heater off. is enabled as per "Time prog elec heater". "Vitotronic 200" operating instructions DHW reheating ■ Adjusted outside temperature falls below "Dual See chapter "DHW reheating with booster heaters" on mode temp instant.
  • Page 41 This applies even if the cylinder temperature has not undershot the set Operating status temperature by the "Hysteresis DHW temperature "Vitotronic 200" operating instructions heat pump 6007". Blocking time for DHW heating Note If "Max. interruption DHW heating 6061" is set to a A blocking time for DHW heating can be specified with shorter period than "Blocking time DHW heating...

  • Page 42: Dhw Reheating With Booster Heaters

    Function description DHW heating (cont.) DHW reheating with booster heaters Possible booster heaters: Instantaneous heating water heater (part of standard ■ delivery, as accessory or on site, depending on heat pump type) ■ External heat generator Immersion heater (as an accessory or on site, ■...

  • Page 43: Solar Dhw Heating

    Function description DHW heating (cont.) DHW reheating ON "Enable elec. heating/ext. HS for reheating only "Enable elec. heating/ext. HS for reheating only 6040" = "0" 6040" = "1" All of the following criteria must be met: One of the following criteria must be met: The cylinder temperature falls below the current set Max.

  • Page 44: Overview Of Buffer Cylinders

    Function description Buffer cylinder (cont.) Functions Protect the heat pump in accordance with EN 12828. ■ For bridging power-OFF periods: Note The buffer cylinder supplies the heating/cooling cir- For heating or cooling of the buffer cylinder and the cuits including during this power-OFF time. heating/cooling circuits connected to it, the flow rate on For the hydraulic separation of the secondary circuits the secondary side must be split inside the buffer cylin-...

  • Page 45: Buffer Cylinder In Conjunction With Heat Pump Cascade

    Note Operating status The operating status "Fixd value" can be blocked for "Vitotronic 200" operating instructions the buffer cylinder if there is no heat demand from any of the connected heating circuits ("Operating mode, fixed value only for heat demand 720A" set to "1").

  • Page 46: Heating The Buffer Cylinder With Booster Heaters

    Function description Buffer cylinder (cont.) Heating the buffer cylinder with booster heaters Only the instantaneous heating water heater can be For heating the buffer cylinder with an instantaneous used as a booster heater for the buffer cylinder, as it is heating water heater: See page 40.

  • Page 47: Frost Protection

    7220" minus "Stop hysteresis, buffer cylinder 7209" at secondary circuit return tem- perature sensor is undershot. Operating status "Vitotronic 200" operating instructions Frost protection If the buffer temperature falls below the frost protection Frost protection heating ends when the buffer temper- limit, the heat pump control unit immediately switches ature exceeds the stop limit.

  • Page 48: Heating Circuits/Cooling Circuits

    Function description Heating circuits/cooling circuits Notes on minimum flow rate Heat pumps require a minimum flow rate in the secon- With air/water heat pumps, a higher system volume dary circuit, which must be maintained. ensures that the thermal energy required for defrosting is always available in the secondary circuit.
  • Page 49 Function description Heating circuits/cooling circuits (cont.) Overview of the heating/cooling circuits Heating/cooling circuit Controlled directly Controlled Separate via KM-BUS cooling cir- cuit A1/HC1 M2/HC2 M3/HC3 Mixer — — With heating water buffer cylinder ("Enable buffer cylinder/low loss header 7200" set to "1"): Max.

  • Page 50: Weather-Compensated Control

    Function description Heating circuits/cooling circuits (cont.) Heating/cooling circuit Controlled directly Controlled via Separate cool- KM-BUS ing circuit A1/HC1 M2/HC2 M3/HC3 Mixer — — Room temperature sensor in Vitotrol 200-A/ — 200-RF Room temperature sensor cooling or room — — — temperature sensor in Vitotrol 200-A/200-RF Heating circuit pump Connection to heat pump control unit...

  • Page 51: Room Temperature-Dependent Control

    Function description Heating circuits/cooling circuits (cont.) Room temperature hook-up The following parameters are used to set the level of influence on the set flow temperature. A room temperature sensor is required. The room tem- ■ Central heating via heating/cooling circuit: perature sensor integrated into the remote control is "Influence room temperature hook-up 200A"...

  • Page 52: Starting Central Heating

    A time phase is active in "Time prog buffer cyl". the secondary pump is on constantly. "Buffer cyl operating mode 721F" is set to "0". "Vitotronic 200" operating instructions Switching off central heating In the case of weather-compensated control, central...

  • Page 53: Deactivating Central Cooling

    Function description Heating circuits/cooling circuits (cont.) Additional condition for weather-compensated con- Note trol: If central cooling is activated, the heating circuit pump ■ The flow temperature is above the set flow tempera- runs constantly. For heating/cooling circuits without ture: See page 50. mixer which are connected directly to the heat pump, the secondary pump is on constantly.

  • Page 54: Central Heating With Booster Heaters

    ■ Short term average outside temperature falls below fied by Viessmann. the frost protection limit. This frost protection limit is factory-set. In order to prevent pumps switched by the heat pump ■...

  • Page 55: Natural Cooling Function (Nc)

    Function description Heating circuits/cooling circuits (cont.) A separate cooling circuit is constantly cooled, irre- Note ■ spective of the cooling limit. The separate cooling circuit can be switched over to ■ No time program can be set for a separate cooling weather-compensated cooling mode.

  • Page 56: System With Heating Water/Coolant Buffer Cylinder

    Swimming pool heating ends as soon as the heat Note demand from the temperature controller for regulating The instantaneous heating water heater and the exter- the swimming pool temperature ceases. nal heat generator cannot be used for swimming pool System examples with swimming pool heating: heating. www.viessmann-schemes.com...

  • Page 57: Connections At Ea1 Extension

    3-way diverter valve "Swimming pool" (zero volt: Buffer cylinder heating) Mechanical ventilation For mechanical ventilation, a Viessmann ventilation unit is connected to the heat pump control unit via Modbus. This enables full operation of the mechanical ventilation system and setting of the control parame- ters via the heat pump control unit.

  • Page 58: Mechanical Ventilation With Vitovent 200-C/300-F

    "Standard operation" is active automatically between lation duration 7D1B". the time phases in the time program. ■ Vitovent 200-C: If "Intensive operation" was activa- ted via a switch or button (bathroom switch), the "Vitotronic 200" operating instructions duration is limited to "Duration, bathroom vent. 7D3B".

  • Page 59: Passive Heating

    Function description Mechanical ventilation with Vitovent 200-C/300-F (cont.) Vitovent 300-F: In the "Standard" operating status, The bypass is active in the following cases: the air flow rate can automatically be adjusted subject ■ Passive cooling is switched on: See chapter "Pas- to the following factors: sive cooling".

  • Page 60: Passive Cooling

    Function description Mechanical ventilation with Vitovent 200-C/300-F (cont.) Conditions for passive heating Passive heating ON Passive heating OFF All of the following conditions must be met: One of the following conditions must be met: Outdoor air temperature (heat exchanger air intake) Outdoor air temperature (heat exchanger air intake) ≥...

  • Page 61: Vitovent 200-C: Frost Protection

    Function description Mechanical ventilation with Vitovent 200-C/300-F (cont.) Vitovent 300-F: Conditions for passive cooling Note Ventilation level is set while the bypass opens or closes. Passive cooling ON Passive cooling OFF All of the following conditions must be met: One of the following conditions must be met: Outdoor air temperature (heat exchanger air intake) <...
  • Page 62 Function description Mechanical ventilation with Vitovent 200-C/300-F (cont.) Without electric preheating coil Defrost func- Description Setting tion "7D01" "7D2C" Shutdown of If the heat exchanger is iced-up, both fans are switched off. "0" "0" fans Defrosting via If the heat exchanger is iced-up, the bypass opens and the cool outdoor "0"...

  • Page 63: Vitovent 300-F: Frost Protection

    Function description Mechanical ventilation with Vitovent 200-C/300-F (cont.) Vitovent 300-F: Frost protection Frost protection without preheating coil Set values: Exhaust air temperature: 3.5 °C ■ As soon as the outdoor air temperature falls below ■ Outdoor air temperature: 2 °C 0 °C, the supply air fan switches off.

  • Page 64: Protection Against Excessively High Temperatures

    Function description Mechanical ventilation with Vitovent 200-C/300-F (cont.) A buffer cylinder with a large volume should be inte- Note grated in the heating system if the following conditions ■ Room temperature-dependent control ("Room tem- apply. In this case the heating water buffer cylinder perature control 2005"...

  • Page 65: Mechanical Ventilation With Vitovent 200-W/300-C/300-W

    Humidity: ■ "Vitotronic 200" operating instructions Measurement via central humidity sensor (accesso- ries) ■ Humidity: "Intensive operation" is limited to "Intensive ventila-...

  • Page 66: Passive Cooling

    Function description Mechanical ventilation with Vitovent… (cont.) If an enthalpy heat exchanger is installed in the ventila- Ventilation unit installation and service instruc- tion unit, a part of the humidity is also transferred to tions the supply air stream in addition to the thermal energy. This contributes to a healthy ambience.

  • Page 67: Cooling Via Geothermal Heat Exchanger

    Function description Mechanical ventilation with Vitovent… (cont.) Cooling via geothermal heat exchanger The outdoor air can be routed through a geothermal Required enable, 3-way diverter damper (on site) heat exchanger (on site), regardless of the position of Parameter Setting the bypass damper integrated into the ventilation unit. "Preheating coil C101"...

  • Page 68: Protection Against Excessively High Temperatures

    Function description Mechanical ventilation with Vitovent… (cont.) If the outdoor air falls below "Min. temperature, geo- Required enable, 3-way diverter damper (on site) thermal heat exchanger C1AA", the 3-way diverter Parameter Setting damper (on site) opens up the path through the geo- "Preheating coil C101"...

  • Page 69: Photovoltaics

    Function description Photovoltaics Power generated by the photovoltaic system can be In heat pumps with output control, the compressor ■ used to operate the compressor and other heating sys- output is automatically matched to the amount of tem components (utilisation of power generated on power generated by the photovoltaic system.

  • Page 70: Enabling Utilisation Of Power Generated On Site

    PV the next few hours. energy. With this default, the compressor may also run A heating contractor certified by Viessmann for heat outside the efficient output range. pumps can enable this function. DHW heating with utilisation of power generated on...

  • Page 71: Buffer Cylinder Heating

    Function description Photovoltaics (cont.) DHW heating can be brought forward even if the fol- If the heat pump output is not sufficient, the instantane- lowing conditions for DHW heating would not ordinarily ous heating water heater is also switched on with permit it: power from the photovoltaic system.

  • Page 72: Cooling The Heating Water/Coolant Buffer Cylinder

    Function description Photovoltaics (cont.) Note Central heating continues if, whilst the interior is being heated, the conditions for utilisation of power gener- ated on site are no longer met (see "Enabling utilisa- tion of power generated on site"). The heat pump and any booster heaters required are supplied with power from the grid .
  • Page 73 Troubleshooting Overview Page Troubleshooting Message overview "Diagnosis" "System overview" "?" ("System information") "Diagnosis" "System" "Timer" "Integral" "Logbook" "Diagnosis" "Ventilation" "Ventilation: Overview" "Ventilation" "Message history" Vitovent 200-C/300-F "Message history" Vitovent 200-W/300-C/300-F "Diagnosis" "Heat pump" "Runtime compressor" "Diagnosis" "Refrigerant circuit" "Refrigerant circ controller" [2] / [6] —...

  • Page 74: Troubleshooting Overview

    The appliance is ready for use. Observe the note. Note Acknowledging messages and recalling acknowl- edged messages Outside sensor "Vitotronic 200" operating instructions Power-OFF Note ■ Any signalling equipment (e.g. an alarm) that is con- nected will be deactivated when the fault message is acknowledged.

  • Page 75: Message Overview

    Troubleshooting Calling up messages (cont.) 1. Service menu: Note Press OK + simultaneously and hold for The service menu remains active until it is deactivated å approx. 4 s. with "Terminate service?", or if no key is pressed for 30 min. 2.
  • Page 76 Contact a heat pump spe- 7B02" set lower than "Shutdown limit, heat pump cialist certified by dual mode 7B0F" Viessmann if the cause of Parameters for ice store/solar air absorber incorrect the fault cannot be re- Incorrect solar control unit set ("Type solar control ■...

  • Page 77: Elec. Heating Blocked

    "Max. flow temperature heating circuit 200E" set ■ cialist certified by lower than "Min. flow temperature cooling 7103" Viessmann if the cause of Cooling set for unavailable heating/cooling circuit ■ the fault cannot be re- Flow temperature sensor for cooling circuit not ena- ■...

  • Page 78: Refrigerant Circuit

    Troubleshooting Message overview (cont.) 07 Refrigerant circuit Additional code Cause Action Last message in message histo- Message from refrigerant circuit con- Observe "Diagnosis" "Refrigerant ry, refrigerant circuit troller, heat pump stage 1 circuit" "Message history". 09 Electricity meter PV Utilisation of PV power generated on site not possible. Additional Fault on connected electricity meter Action...

  • Page 79: Outside Temp. Sensor

    Troubleshooting Message overview (cont.) 18 Outside temp. sensor An outside temperature value of 40 °C is used to cal- – culate the set flow temperature. Cause Action Lead break, outside temperature sensor Check resistance value (NTC 10 k ) at plug F0: See Ω...

  • Page 80: Flow Sensor Secondary

    Troubleshooting Message overview (cont.) 28 Flow sensor secondary Operation with secondary circuit flow temperature ■ sensor in the appliance (if installed), e.g. with Vitocal 300-A, type AWO 301.B25 to B60. Operation with temperature value of return tempera- ture sensor in secondary circuit, plus 5 K. If the secondary circuit flow and return temperature ■...

  • Page 81: Flow Sensor Primary

    Troubleshooting Message overview (cont.) 30 Flow sensor primary Operation with temperature value of return tempera- ■ ture sensor in primary circuit, plus 3 K. ■ If the primary circuit flow and return temperature sen- sors are both faulty at the same time, the message "A9 Heat pump"...

  • Page 82: Hot Gas Temp Sensor 2

    Troubleshooting Message overview (cont.) 37 Hot gas temp sensor 2 Compressor 2 in a 2-stage refrigerant circuit is switched OFF. Cause Action The stop limit for the hot gas temperature at compres- Check the compressor oil level. Top up with oil if re- ■...

  • Page 83: Flow Sensor Hc2

    Troubleshooting Message overview (cont.) 40 Flow sensor HC2 Heating circuit mixer M2/HC2 is closed. Cause Measure Short circuit, flow temperature sensor, heating circuit Check resistance value (NTC 10 k ) at plug F12: See Ω with mixer M2/HC2 "Controller and sensor PCB". 41 Flow sensor HC3 Mixer heating circuit M3/HC3 is closed.

  • Page 84: Flow Sensor Hc3

    Troubleshooting Message overview (cont.) 49 Flow sensor HC3 Mixer heating circuit M3/HC3 is closed. Cause Measure Lead break, flow temperature sensor, heating circuit Check sensor: See mixer extension kit installation in- with mixer M3/HC3 structions. 4B Flow sensor system ■ Flow temperature in heating circuit without mixer A1/HC1 is regulated via the return temperature sen- sor of the heat pump, no frost protection for this...

  • Page 85: Cylinder Sensor Top

    Troubleshooting Message overview (cont.) Cause Measure Short circuit, bottom cylinder temperature sensor Check resistance value (NTC 10 k ) at plug F7 or at Ω terminals X25.7/X25.8: See "Controller and sensor PCB". 58 Cylinder sensor top ■ If only the upper cylinder temperature sensor is present: No DHW heating If an additional lower temperature sensor is installed: ■...

  • Page 86: Buffer Outlet Temp

    Troubleshooting Message overview (cont.) Cause Measure Short circuit, external heat generator boiler water tem- Check resistance value (NTC 10 k ) at plug F20: See Ω perature sensor "Controller and sensor PCB". 65 Buffer outlet temp. Operation with temperature value of flow temperature sensor in the secondary circuit of the lead heat pump Cause Action...

  • Page 87: Room Temp. Sensor Hc1

    Troubleshooting Message overview (cont.) Cause Measure Short circuit/lead break, secondary circuit flow tempera- Check resistance value (Pt500A) at connection X25.3/ ture sensor upstream of the instantaneous heating wa- X25.4: See "Controller and sensor PCB". ter heater 70 Room temp. sensor HC1 ■...

  • Page 88: Room Temp. Sensor Hc1

    Troubleshooting Message overview (cont.) 78 Room temp. sensor HC1 No frost protection mode via room temperature sen- ■ ■ No room temperature hook-up ■ No room temperature-dependent control Cause Measure Lead break, room temperature sensor, heating circuit Check remote control. Replace remote control if re- without mixer A1/HC1 quired: See "Vitotrol"...

  • Page 89: Solar Module Sensor 10

    Troubleshooting Message overview (cont.) 91 Solar module sensor 10 No switching of the appliance connected at plug the solar control module, type SM1 (circulation pump or 3-way diverter valve) Cause Action Short circuit, temperature sensor at solar control Check sensor on solar control module, type SM1: aÖ...

  • Page 90: C Cylinder Sensor Solar

    Troubleshooting Message overview (cont.) 9C Cylinder sensor solar No solar DHW heating with solar control module, type SM1 Cause Action Lead break, cylinder temperature sensor at solar con- Check sensor on solar control module, type SM1: trol module, type SM1 See installation and service instructions for solar control module, type SM1.

  • Page 91: A2 Compressor 2

    Troubleshooting Message overview (cont.) Cause Action Motor overload relay has responded. Check the compressor oil level. Top up with oil if re- ■ ■ Compressor was switched OFF by the refrigerant cir- quired. ■ cuit controller. Check if there is excess oil in the oil separator. Have ■...

  • Page 92: A8 Heating Circ. Pump Hc1

    Troubleshooting Message overview (cont.) Cause Measure Secondary pump mechanical fault Carry out mechanical check of secondary pump. ■ Secondary pump electrical fault ■ Secondary pump run dry Measure the voltage at the following connections: ■ Vitocal 222-G: ■ Connections J5 and J17 on the EEV PCB: See "EEV PCB [4-6] / [4-7]".

  • Page 93: Aa Cancel Defrost

    Troubleshooting Message overview (cont.) AA Cancel defrost : Compressor remains off until the flow tempera- ture in the secondary circuit has reached 15 °C. Booster heaters are started if necessary (instan- taneous heating water heater or external heat generator). Switch to central heating/DHW heating Cause Measure Flow or return temperature in the secondary circuit...

  • Page 94: Ad Mixer Heating/Dhw

    Troubleshooting Message overview (cont.) AD Mixer heating/DHW No changeover between heating mode and DHW heat- ing. Cause Measure 3-way diverter valve "Heating/DHW heating" is faulty. Check function of 3-way diverter valve (see "Function check") Check voltage at terminal 211.4 (see "main PCB"); re- place 3-way diverter valve if necessary.

  • Page 95: B4 Ad Converter

    Troubleshooting Message overview (cont.) Cause Measure Parameter "5030 Output compressor stage" is set Correct setting for "5030 Output compressor ■ ■ incorrectly. stage". Error in recognising appliance version, incorrect cod- Check the coding card: See "Controller and sensor ■ ■ ing card or PCBs faulty PCB".

  • Page 96: C2 Power Supply

    Troubleshooting Message overview (cont.) C2 Power supply Compressor stops. Cause Measure Compressor power supply fault or phase monitor faulty Check connections, power supply and phase connec- tion. Check phase monitor. The switching signal of the phase monitor can be checked at terminal 215.2: See "Main PCB". Fault 230 V~ No fault C3 Pressure switch prim.

  • Page 97: Ca Protectn Device Primry

    Troubleshooting Message overview (cont.) Cause Measure Have the heat pump checked by a refrigeration engi- ■ neer. Check fan or primary pump. ■ Check safety high pressure switch. Vitocal 100-S/111-S: ■ The switching signal of the safety high pressure switch can be tested at connection "H_Press" on the main PCB of the outdoor unit: See "Main PCB [7] / [7-1]".

  • Page 98: Cb Flow Temp. Primary

    Troubleshooting Message overview (cont.) CB Flow temp. primary Compressor stops. Cause Measure Min. flow temperature in primary circuit (brine inlet/air : Check primary circuit flow rate. ■ intake) not achieved. : Outside temperature outside the application limits, ■ no measures required. CC Coding card Heat pump does not start.

  • Page 99: D3 Low Pressure

    Troubleshooting Message overview (cont.) D3 Low pressure Compressor stops. Cause Measure Low pressure fault: Clean the evaporator. ■ Heat pump faulty : Check fan. ■ ■ Low pressure switch has responded. : Check pressure gauge, primary pump and shut-off ■ ■...

  • Page 100: D5 Contact Humidistat

    Troubleshooting Message overview (cont.) Cause Measure Reduce set cylinder temperature ("Set DHW temper- ■ ature 6000", "Set DHW temperature 2 600C") by 2 to 3 K. Check high pressure sensor at the following connec- ■ tions of the outdoor unit: –...

  • Page 101: D6 Flow Switch

    Troubleshooting Message overview (cont.) D6 Flow switch Compressor stops. Cause Measure Minimum flow rate in secondary circuit is undershot: Check secondary circuit flow rate. ■ See heat pump specification. Check secondary pump. ■ If no flow switch is installed, insert a jumper across Heat pump specification X3.3/X3.4: See "Luster terminals"...

  • Page 102: E6 Fault At Lon Subscbr

    Troubleshooting Message overview (cont.) E6 Fault at LON subscbr. No communication via LON with the subscriber, e.g. a lag heat pump of a heat pump cascade Cause Measure Fault at LON subscriber Read message memory at faulty LON subscriber. Rec- tify fault at LON subscriber.
  • Page 103 Diagnosis Diagnosis (service scans) The following operating data is available in the individ- Calling up a diagnosis ual groups: ■ Temperature values 1. Service menu: ■ Status information, e.g. ON/OFF Press OK + simultaneously and hold for å ■ Hours run approx.

  • Page 104: Diagnosis Diagnosis (Service Scans)

    Diagnosis Diagnosis (service scans) (cont.) Menu overview "Diagnosis" "System overview": See chapter "System overview". "System" "Timer" : See chapter "System", "Timer". Ú "Integral" : See chapter "System", "Integrals". Ú "Logbook" : See chapter "System", "Logbook". Ú "Outside temperature" "Adjusted"/"Actual" Ú "Common flow temperature"...
  • Page 105 Diagnosis Diagnosis (service scans) (cont.) "Heating circuit 1", "Heating circuit 2", "Heating circuit 3", "Cooling circuit SKK" "Operating program" "Operating program"/"Operating status" Ú "Time program heating" Ú "Time proghtg/cooling" Ú "Set room temp." "Room temperature" "Set red. room temp" "Set party temperature" "Heating curve"...
  • Page 106 Diagnosis Diagnosis (service scans) (cont.) "Ventilation" "Operating program" "Operating program"/"Operating status" Ú "Time prog ventilation" Ú "Set room temp." ("Set room temperature 7D08"/"Set room temperature C108") "Ventilation: Overview" : See chapter "Ventilation", "Ventilation: Overview". Ú "Ventilation" : See chapter "Ventilation", "Ventilation". Ú...
  • Page 107 Diagnosis Diagnosis (service scans) (cont.) "Heat pump" "Compressor"/"Compressor 1" "Compressor 2" "Primary source 1" (status) "Primary source 1" (output in %) "Fan" (status) "Fan" (rating in %) "Alternative source" "Disch. coolant buffer" "Secondary pump" (status) "Secondary pump" (pump rate in %) "Valve heating/DHW"...
  • Page 108 Diagnosis Diagnosis (service scans) (cont.) "Energy statement" "Energy statemnt heating" Ú "Energy statement DHW" Ú "Energy statem. cooling" Ú "PV energy statemt" "SPF heating" "SPF DHW" "SPF cooling" "SPF PV" "SPF overall" For further details, see chapter "Energy statement". Note The calculation function for the seasonal performance factor "SPF"...
  • Page 109 Diagnosis Diagnosis (service scans) (cont.) "Temperature sensors" "Outside temperature" "Evaporator temp." "Flow temp. primary" "Return temp. primary" "Flow temp. secondary" "Return temp. sec." "Hot gas temperature 1" "System flow temp" "Buffer outlet temp." "Htg wtr buffer cyl" "External heat source" "Boiler water temp."...

  • Page 110: System Overview

    Diagnosis Diagnosis (service scans) (cont.) "Signal inputs" "External demand" "External blocking" "Reheat suppression" "Fault lag heat pump" "Power-OFF contact" "Three-phase monitor" "Primary source" "Safety high pressure" "Low pressure" "Control high pressure" "Cmprssr motor protcn" "Sw. pool heat demand" "Demand htg mode HC1" "Demand cool mode HC1"...
  • Page 111 Diagnosis System overview (cont.) System overview generators Fig. 15 Set temperatures are highlighted white. For the meaning of the symbols and values, see fol- lowing tables.
  • Page 112 Diagnosis System overview (cont.) Meaning of the symbols and values Column : Primary source Line Symbol/value Outside temperature sensor Adjusted outside temperature (long term average) in °C Primary circuit flow tem- Air intake temperature in °C perature: Heat pump brine inlet temperature in °C Primary circuit return tem- Air outlet temperature in °C...
  • Page 113 Diagnosis System overview (cont.) Column : Heat pump Line Symbol/value Heat pump Heat pump/compressor 1 Heat pump with 2-stage refrigerant circuit DHW heating Instantaneous heating water heater No symbol No flow switch present in the secondary circuit. Secondary circuit flow rate monitoring is switched off, e.g. when the compressor ■...
  • Page 114 Diagnosis System overview (cont.) Column : External heat generator Line Symbol/value External heat generator — Boiler water temperature in °C — External heat generator demand — System flow temperature in °C — External heat generator mixer — Immersion heater in DHW cylinder —...
  • Page 115 Diagnosis System overview (cont.) System overview consumers Fig. 16 Set temperatures are highlighted white. For the meaning of the symbols and values, see fol- lowing tables.
  • Page 116 Diagnosis System overview (cont.) Meaning of the symbols and values Column : Brief summary, generator side Line Symbol/value Back to system overview, generator side Heating with heat pump: Secondary pump on, 3-way diverter valve "Central heat- ing/DHW heating" set to heating DHW heating with heat pump/heat pump stage 1: Secondary pump on and 3-way diverter valve "central heating/DHW heating"...
  • Page 117 Diagnosis System overview (cont.) Column : Heating circuit without mixer A1/HC1 Line Symbol/value Heating circuit without mixer A1/HC1 Set room temperature in °C Room temperature in °C Set flow temperature in °C Heating circuit flow temperature in °C Heating circuit pump Cooling via heating/cooling circuit Active cooling function not enabled —...
  • Page 118 Diagnosis System overview (cont.) Column : Cooling Line Symbol/value Cooling Set coolant buffer temperature in °C Coolant buffer temperature in °C Set cooling flow temperature in °C Cooling flow temperature in °C Cooling with coolant buffer cylinder Natural cooling — Bypass, heating water buffer cylinder —...
  • Page 119 The indicated information is identical for all columns. Line Symbol/value "Manual mode" is set (see "Vitotronic 200" operating instructions). The heat pump is not available for operation in the heat pump cascade. Lead heat pump Lag heat pump 1 to lag heat pump 4 in line with "Number of heat pump in cas- cade 7707":...

  • Page 120: System

    Diagnosis System overview (cont.) Line Symbol/value Compressor output in % Compressor frequency in Hz Compressor 3412 Runtime of compressor in h System Timer The "Timer" display shows events that end after expiry of the time displayed. The entire duration of these events is specified by parameters.

  • Page 121: Integrals

    The times specified depend in part on the heat pump type. Some specified times can only be changed by a heat ■ pump installer certified by Viessmann. Integrals Some system components are only started when the The heat pump control unit calculates various inte- relevant temperature limit is undershot or exceeded if grals.
  • Page 122 Diagnosis System (cont.) 3. "System" 4. "Integral" Integral Ü Heat pump for HC Electric heater for HC Heat pump for swimming pool HP for cooling Heat pump for HW buffer Defrost Back with ä Fig. 19 Integral Condition of the integral The integral increases.

  • Page 123: Logbook

    ■ Some settings can only be changed by a heat pump installer certified by Viessmann. Logbook The logbook contains the last 30 status changes of components of the heating system and the heat pump.
  • Page 124 Diagnosis System (cont.) Ext. HS switching 12.02.2018 19:58:24 Start hysteresis reached SC:HC SM:PM2 Back with ä Fig. 21 Component whose status has changed. Set status Preset condition or limit for the status change with unit Date and time of the status change Event (reason for the status change) State machine "SM": Control circuit that has trig- gered the status change.
  • Page 125 Diagnosis System (cont.) Component Meaning Set status With output con- Without output trol control "Heating circ pump HC1" Heating circuit pump heating circuit "ON" or "OFF" — A1/HC1 "Heating circ pump HC2" Heating circuit pump heating circuit M2/HC2 "Heating circ pump HC3" Heating circuit pump heating circuit M3/HC3 "Sw.
  • Page 126 Diagnosis System (cont.) Event Causes "Compressor stop" Compressor has stopped. There is no longer a demand. ■ A fault has occurred. ■ "Integral value reached" Integral for starting a component, a function or an operating stage has excee- ded the start threshold. "Integral value undershot"...
  • Page 127 Diagnosis System (cont.) Consumers Display Control circuit "HC1" Heating circuit A1/HC1 ("Heating circuit 1") "HC2" Heating circuit M2/HC2 ("Heating circuit 2") "HC3" Heating circuit M3/HC3 ("Heating circuit 3") "CC" Separate cooling circuit ("Cooling circuit") "BC" "Heating water buffer cylinder" "DHW" DHW heating ("DHW cylinder") "HCFDM"...

  • Page 128: Ventilation

    Diagnosis System (cont.) Hydraulic circuit "SC" Display Hydraulic circuit "DHW" DHW heating "HC" Heating circuit A1/HC1, heating circuit M2/HC2, heating circuit M3/HC3 "COOL" Separate cooling circuit "POOL" Swimming pool Ventilation Ventilation: Overview Function scheme for mechanical ventilation with con- 3. "Ventilation" nected ventilation unit 4.
  • Page 129 Diagnosis Ventilation (cont.) Meaning of values and symbols Display Meaning Vitovent 200-C 300-F 200-W 300-C 300-W Bypass not active: Outdoor air is routed via heat exchanger. Bypass active (passive heating/cooling): Ex- — tract air is not routed via the heat exchanger. Bypass active (passive heating/cooling or de- —...

  • Page 130: Ventilation

    Diagnosis Ventilation (cont.) Display Meaning Vitovent 200-C 300-F 200-W 300-C 300-W "SUP" 16.5 Set supply air temperature in °C — Highlighted white: Differential be- Vitovent 200-C: ■ tween the supply air temperature Shown only in relation to frost protection and the set value is crucial for air with electric preheating coil: Set tempera- flow rate adjustment.
  • Page 131 Diagnosis Ventilation (cont.) Display Meaning Vitovent 200-C 300-F 200-W 300-C 300-W "Fan blocking time, If one or both fans have been switched off for frost protection: — ■ frost prot:" Remaining duration until the fans are started again If the frost protection function of the ventilation unit is active ■...

  • Page 132: Message History Vitovent 200-C/300-F

    Diagnosis Ventilation (cont.) Display Meaning Vitovent 200-C 300-F 200-W 300-C 300-W "Detection, frost Icing up of heat exchanger was recognised due to supply air — — pr.min. temp:" temperature being too low: Remaining time until defrost function becomes active. "Diff. pressure Status of differential pressure switch for outdoor air filter and/or —...
  • Page 133 Diagnosis Ventilation (cont.) Type of message at Message on the heat pump the ventilation unit control unit "Note" "0F Ventilation unit" "Warning" "A0 Vent.: check filter(s)" "Fault" "0E Ventilation unit" Message Meaning Ventilation unit character- Measure code istics Only Vitovent 300-F: Ventilation unit remains op- Replace outdoor air and extract air fil- Differential pressure has...
  • Page 134 Diagnosis Ventilation (cont.) Message Meaning Ventilation unit character- Measure code istics Vitovent 200-C: Fans are switched off. Check resistance value (NTC 10 k Ω Short circuit/lead break, of ventilation unit sensor: See installa- outdoor air temperature tion and service instructions for the sensor and/or extract air ventilation unit.

  • Page 135: Vitovent 200-W/300-C/300-W Message History

    Diagnosis Ventilation (cont.) Vitovent 200-W/300-C/300-W message history Message history of the connected ventilation unit: Should a message occur at the ventilation unit, a mes- Messages cannot be acknowledged in the message sage concerning the ventilation unit will also be dis- ■...

  • Page 136: Heat Pump

    Diagnosis Ventilation (cont.) Message Meaning Ventilation unit character- Measure code istics Short circuit/lead break, Both fans are stopped. Check resistance value (NTC 10 k Ω ■ outdoor air temperature The preheating coil is at connection X7.1/X7.2 on the con- ■ sensor switched off.

  • Page 137: Refrigerant Circuit

    Diagnosis Heat pump (cont.) 4. "Runtime compressor" for single-stage heat Load class assignment: pump Load class Hours run at ∆ < 25 K Δ 5. Compressor hours run ("Runtime") can be scan- 25 K < < 32 K ned with for every "Load class".
  • Page 138 Diagnosis Refrigerant circuit (cont.) Refrigerant circuit R410A 116.5° -11.5° 33.6bara 4.6bara 117/s 35.5° 6.0° 100% 5.0K 5.5K 100% -4.0° tc:33.0° tO:-4.0° 26.1° 51.0° 100% 21.0° 10.0° Back with Fig. 27 2-stage refrigerant circuit in heating mode, heat generation at the condenser: Only 1 compressor is displayed with a single stage refrigerant circuit.
  • Page 139 Diagnosis Refrigerant circuit (cont.) Pos. Refrigerant circuit in heating mode Refrigerant circuit reversal Evaporation temperature in °C Condensing temperature in °C Value highlighted white: Set evaporation tem- perature in °C Air discharge temperature in °C Symbol flashes: Defrost active — Liquid gas temperature —...
  • Page 140 Diagnosis Refrigerant circuit (cont.) Refrigerant circuit R410A 116.5° -11.5° 33.6bara 4.6bara 35.5° 6.0° 4.0K 100% 5.0K 4.1K 5.5K 100% 4.0K -4.0° 4.1K tc:33.0° tO:-4.0° 100% 26.1° 51.0° 100% 21.0° 100% 10.0° Back with Fig. 28 Refrigerant circuit in heating mode, heat gen- eration at condenser Pos.
  • Page 141 Diagnosis Refrigerant circuit (cont.) Pos. Refrigerant circuit in heating mode Refrigerant circuit reversal Evaporation temperature in °C Condensing temperature in °C Value highlighted white: Evaporation temperature, set value in °C Air discharge temperature in °C Symbol flashes: Defrost active — Electronic expansion valve for suction gas super- heating (AHX): (flashes)
  • Page 142 Diagnosis Refrigerant circuit (cont.) Refrigerant circuit R410A 82.9°/ 83.2° 14.9° 10.2° /8.7° 29.2bara 8.3bara 25.8° 19.7° 4.9K 5.0K 100% 7.3K 7.6K 100% 9.1K tc:47.9° tO:1.1° 25.1° Back with Fig. 29 Refrigerant circuit in heating mode, heat gen- eration at condenser Pos.
  • Page 143 Diagnosis Refrigerant circuit (cont.) Pos. Refrigerant circuit in heating mode Refrig. circ reversal Suction gas superheating in K (downstream of — evaporator) Position on evaporator (as shown in fig 29) Set value, suction gas superheating in K (down- — stream of evaporator) Position on evaporator (as shown in fig 29) Electronic expansion valve: (flashes)
  • Page 144 Diagnosis Refrigerant circuit (cont.) Refrigerant circuit R410A 83.2° 10.2° 29.2bara 8.3bara 25.8° 8.2° 100% 5.0K 9.1K tc:47.9° tO:20.5° 25.1° 21.9° 1.6° Back with Fig. 30 Pos. Meaning Secondary circuit flow temperature in °C Hot gas temperature in °C Condensing pressure in bar(a) Vitocal 333-G only: Compressor output in % Compressor...
  • Page 145 Diagnosis Refrigerant circuit (cont.) Refrigerant circ controller [7] / [7-1] The following information can be called up: 3. "Refrigerant circuit" Refrigerant circuit temperature and pressure values ■ Refrigerant circuit operating conditions 4. "Refrigerant circ controller" ■ 1. Service menu: Notes Press OK + simultaneously and hold for ■...

  • Page 146: Compressor Travel

    Diagnosis Refrigerant circuit (cont.) Pos. Refrigerant circuit in heating mode Refrigerant circuit reversal Evaporation temperature in °C Condensing temperature in °C Value highlighted white: Set evaporation tempera- ture in °C Symbol flashes: Defrost active — Liquid gas temperature — Electronic expansion valve: (flashes) Refrigerant circuit in heating mode, heat genera- Refrigerant circuit reversal active (cooling mode/...

  • Page 147: Compressor Path

    Diagnosis Refrigerant circuit (cont.) 1. Service menu: Calculating runtimes Press OK + simultaneously and hold for å approx. 4 s. 1. Use to position the cursor (crosshairs) at the required place in the diagram. 2. "Diagnosis" 2. Read off the values in the top line. 3.

  • Page 148: Message History [2]

    Which message will be triggered at the Note Some faults should only be remedied by a (specialist) heat pump control unit depends on the type of mes- heating contractor certified for heat pumps by sage at the refrigerant circuit controller. Viessmann.
  • Page 149 Diagnosis Refrigerant circuit (cont.) Type of message at Message at heat pump con- refrigerant circuit trol unit controller "Note" "07 Fault refrigerant circ" "Fault" "05 Fault refrigerant circ" Message Meaning Heat pump characteris- Measure code tics No message ― ― ―...
  • Page 150 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Safety chain interrupted, Compressor OFF Check safety chain: See connection ■ compressor blocked and wiring diagram. Check plug for compressor control ■ on the EEV PCB: See "EEV PCB [2]".
  • Page 151 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Min. required evaporation Compressor OFF Check low pressure sensor: See ■ pressure undershot message code "0A". Check refrigerant charge. Adjust if ■ necessary. Operating point outside Compressor OFF Check the position of the operating ■...
  • Page 152 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Temperature at compres- Compressor OFF Test coil resistance at compressor. ■ sor motor too high Resistance on all windings should be similar. Replace compressor if necessary. ■ Compressor drive fault Compressor OFF Test coil resistance at compressor.

  • Page 153: Message History [4]

    Some faults should only be remedied by a (specialist) heat pump control unit depends on the type of mes- sage at the refrigerant circuit controller. heating contractor certified for heat pumps by Viessmann. Type of message at Message at heat pump con- refrigerant circuit...
  • Page 154 Take refrigerant R410A into account. Short circuit/lead break, Check resistance at connection J10 ■ coding resistor (P3) on the EEV PCB. If necessary, contact Viessmann ■ Werke technical services. Short circuit/lead break, Check 3-pole plug at the compressor hot gas temperature sen- (white, red and black wires).
  • Page 155 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Compression ratio too Compressor OFF Check high and low pressure sen- ■ high sors: See message codes "05" and "0A". If the pressure sensors are OK but the fault persists: Check the position of the operating ■...
  • Page 156 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Suction gas superheating Compressor OFF Check whether the correct coding ― ■ too high card is fitted. To check information, see "System information". In the event of recurrence: Have the ■...
  • Page 157 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Torque of compressor Compressor OFF Test coil resistance at compressor. Re- drive too high sistance on all windings must be simi- lar ( 10 %). For m use a suitable ±...
  • Page 158 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Discharge current at IGBT Compressor OFF Replace inverter. too high Precharge relay open Compressor OFF Voltage difference of indi- Compressor OFF vidual phases too high (> 50 %) Voltage difference of indi- Compressor OFF vidual phases too high...
  • Page 159 Some faults should only be remedied by a (specialist) heat pump control unit depends on the type of mes- heating contractor certified for heat pumps by sage at the refrigerant circuit controller. Viessmann. Type of message at Message at heat pump con- refrigerant circuit...
  • Page 160 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Short circuit/lead break, Compressor OFF Check resistance value (NTC 10 k Ω suction gas temperature at connection J13 (T7) of the EEV sensor (downstream of PCB: See "EEV PCB [4-3] / [4-4]". evaporator) Compressor has stopped.
  • Page 161 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Safety high pressure Compressor OFF As for "C9 Refrigerant circ (SHD)": switch has responded. See "Message overview" for the heat pump control unit. Short circuit/lead break, Compressor OFF Check resistance value (NTC 10 k Ω...
  • Page 162 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Condenser frost risk Compressor OFF Check hydraulics in the secondary ■ ■ Refrigerant circuit rever- circuit, e.g. whether all shut-off ■ sal OFF valves are fully open. Check secondary circuit flow rate. ■...
  • Page 163 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Max. compressor current Compressor OFF Test coil resistance at compressor. Re- exceeded sistance on all windings must be simi- lar ( 10 %). For m use a suitable ±...

  • Page 164: Message History [4-6] / [4-7]

    Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Current sensor phase L1 Compressor OFF Replace inverter. of compressor supply volt- age faulty Current sensor phase L2 Compressor OFF of compressor supply volt- age faulty Current sensor phase L3 Compressor OFF of compressor supply volt- age faulty...
  • Page 165 "07 Fault refrigerant circ" Message overview "Fault" "05 Fault refrigerant circ" Note Some faults should only be remedied by a (specialist) heating contractor certified for heat pumps by Viessmann. Message history 0 09.09.2009 17:16:00 06 Fault Fault 09.09.2009 17:16:01 09.09.2009 17:16:02 03 Note 09.09.2009 17:16:03...
  • Page 166 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Short circuit/lead break, Compressor OFF Check current at connection J10 (P1) low pressure sensor (suc- of the EEV PCB: See "EEV PCB tion gas pressure sensor) [4-6] / [4-7]". Take refrigerant R410A into account.
  • Page 167 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Min. required high pres- Compressor OFF Check high pressure sensor: See ■ sure undershot message code "05". Check amount of refrigerant. Adjust ■ amount if required. Central heating/DHW Compressor remains in op- Check hydraulics in the secondary ■...
  • Page 168 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Too little refrigerant Compressor OFF Check amount of refrigerant. Adjust the amount of refrigerant if necessary. Condenser frost risk Compressor OFF Check hydraulics in the secondary ■ circuit, e.g. whether all shut-off valves are fully open.
  • Page 169 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Vitocal 333-G: Torque of compressor Compressor OFF Test coil resistance at compressor. Re- drive too high sistance on all windings must be simi- lar ( 10 %). For m use a suitable ±...
  • Page 170 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Vitocal 333-G: Current difference of the Compressor OFF Check connecting cable from inverter individual phases on the compressor. Replace the connect- — compressor too high ing cable if necessary: See "Connec- tion and wiring diagram".
  • Page 171 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Vitocal 333-G: Test coil resistance at compressor. ■ Resistance on all windings must be Compressor drive over- Compressor OFF similar ( 10 %). For m use a suita- ±...

  • Page 172: Message History [6]

    Some faults should only be remedied by a (specialist) heat pump control unit depends on the type of mes- sage at the refrigerant circuit controller. heating contractor certified for heat pumps by Viessmann. Type of message at Message at heat pump con- refrigerant circuit...
  • Page 173 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Short circuit/lead break, Both compressors OFF Test voltage at the low pressure sen- low pressure sensor sor connection on the EEV PCB: See "controller PCB and EEV PCB [6]". 0.5 V: 0 bar ■...
  • Page 174 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Safety high pressure Both compressors OFF As for "C9 Refrigerant circ (SHD)": switch has responded. See "Message overview" for the heat pump control unit. Evaporation temperature Compressors remain op- Check fan.
  • Page 175 Refrigerant circuit controller messages can trigger a message at the heat pump control unit (see "Message Viessmann. overview"). Which message will be triggered at the heat pump control unit depends on the type of mes- sage at the refrigerant circuit controller.
  • Page 176 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics No message ― ― ― Short circuit/lead break, Compressor OFF Check resistance value (NTC 15 k Ω air intake temperature at connection T-SENSOR2 on the sensor, evaporator (out- main PCB: See "Main PCB [7] / [7-1]".
  • Page 177 Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Evaporation temperature Cooling mode: Check reversible suction gas tempera- ■ too low Compressor OFF ture sensor: Heating mode: Check resistance value (Pt500A) at ■ Compressor remains in connection X25.15/X25.16 of the con- operation.

  • Page 178: Energy Statement

    Diagnosis Refrigerant circuit (cont.) Message Meaning Heat pump characteris- Measure code tics Voltage difference of indi- Compressor OFF Check the compressor connecting ■ vidual phases too high cable. Replace the connecting cable (> 50 %) if necessary. Please note 400 V appliances: An incor- rect rotating field will irrepara- bly damage the compressor.

  • Page 179: Calling Up The Energy Statement

    Diagnosis Energy statement (cont.) Calling up the energy statement 1. Service menu: "PV energy statemt" Press and hold OK + simultaneously for å Electrical energy generated by the PV system approx. 4 s. used for operating the heat pump (utilisation of power generated on site).

  • Page 180: Photovoltaics

    Positive value: Electrical power is fed into the power grid. Negative value: Electrical power is drawn from the power grid. Note The polarity can be changed by a heat pump installer certified by Viessmann. "Average" Average of electrical outputs of all 3 phases, averaged over the last 10 min "Threshold"...

  • Page 181: Dhw Loading Statistics

    Diagnosis Photovoltaics (cont.) Display Meaning "Coolant buff cyl" Cooling the heating water/coolant buffer cylinder with utilisation of power generated on site ("Enable own energy consumptn for coolant buffer cylinder 7E16") "Rm temp raising" Central heating with utilisation of power generated on site ("Enable own energy consumption for heating 7E13") "Weather data"...

  • Page 182: Output Curves

    Diagnosis Photovoltaics (cont.) Output curves Daily curve of electrical power used for utilisation of Example: power generated on site by the heating system. This The current day is Friday. daily curve can be called up for every day of the previ- The current daily curve can be found under "D".

  • Page 183: System Information

    Diagnosis Brief scan (cont.) Explanation of the relevant values on the individual lines and fields Line Field System scheme 01 to 11 Software version Software version Heat pump control unit Programming unit Coding card: ID Low Coding card: Version Device recognition (CU-ID) Number of KM-BUS subscribers Software version, Vitosolic or solar control module, type SM1 Hardware index, refrigerant cir-...
  • Page 184 Diagnosis System information (cont.) Information displayed Information Value Meaning "VC 100-S", "VC 111-S", "VC 200-A", "VC 222- Heat pump product name: "VC" stands for "Vitocal". A" or "VC 200-S", "VC 222-S", "VC 222-G", "VC 333-G" "7745148240125546" Serial number of the indoor unit: State when making a serv- ice request.

  • Page 185: Actuator Test (Testing Outputs)

    Actuator test Actuator test (testing outputs) Only those actuators are shown that are installed 2. "Actuator test". ■ and can be controlled, according to system equip- ment level. 3. Select required actuator. ■ Activating the actuator test switches all actuators to zero volt.
  • Page 186 Sensor matching Sensor matching To compensate for system-based measuring faults, an Sensor matching adjustment value (offset) can be set for the following temperature sensors: Outside temperature ■ Temperature sensors connected to the controller and sensor PCB +0.1K Room temperature sensors which are integrated into ■...

  • Page 187: Lon Subscriber Check

    BMS system. The message is being sent. No operation is possi- ble for approx. 4 s. Viessmann LON manual Subscribers (Modbus/KM-BUS) List of all subscribers connected to the control unit via 4. Select subscriber and display connection parame- Modbus or KM-BUS.

  • Page 188: Enter Vitocom Pin Code

    Service functions Subscribers (Modbus/KM-BUS) (cont.) Connection parameters Modbus KM-BUS "Subscriber add." Modbus 1: Predetermined number of the KM-BUS Predetermined for each subscriber subscriber Modbus 2: Allocated when the subscriber is commissioned. "Baud rate/parity" Speed of the data transfer (symbols/ ― second)/parity (even/odd/none) "Device group"...
  • Page 189 Service functions Function check (cont.) Function System characteristics "Heating circuit 1" Secondary pump and heating circuit pump for heating/cooling circuit A1/HC1 are started. "Heating circuit 2" Heating circuit pump for heating/cooling circuit M2/HC2 or M3/HC3 is ■ "Heating circuit 3" started.
  • Page 190 Service functions Function check (cont.) Function System characteristics "Primary source" Not for ice store as primary source: Primary pump starts. ■ Note An average value for the primary circuit flow temperature is calculated ■ This function takes approx. 10 min. every minute.
  • Page 191 Service functions Function check (cont.) Function System characteristics "Vitovent electric preheating" Vitovent 200-C: Ventilation level is set. ■ The electric preheating coil is switched on and regulated to the current ■ actual outdoor air temperature plus 10 K. Vitovent 300-F: Ventilation level is set.

  • Page 192: Saving/Loading Settings

    Service functions Saving/loading settings After a few minutes, the heat pump control unit auto- With "Load settings", parameter settings from the matically saves changed parameter settings on the coding card can be loaded on to the control unit. This coding card . way, several devices can for example be set up identi- With "Save settings", the saving process can be car- cally one after the other via a coding card.

  • Page 193: Coding Level 1 In The Service Menu

    Control unit settings Coding level 1 in the service menu Please note Incorrect operation at "Coding level 1" may result in damage to the appliance and the heat- ing system. Observe the installation and service instructions for the heat pump in question. Failure to do so will void your warranty rights.

  • Page 194: Setting Parameters

    Control unit settings Setting parameters Note The limits of setting range and delivered Code 1 condition often depend on the type of heat pump. The values are displayed for almost all parameters in Set DHW the heat pump control unit. Consequently values are not listed in the following parameter temperature descriptions.

  • Page 195: Restoring Delivered Condition (Reset)

    Control unit settings Setting parameters (cont.) 1. Service menu and coding level are enabled. System definition Code 1 The required parameter group has been selec- ted: Adopt with OK Select parameter with a bit field: For example "System components for external changeover Bit 1 7011".

  • Page 196: Calling Up The Parameter Group

    X Component selected Note Component can be added via the associated Set system scheme 11 for the lag heat pumps in a parameters. heat pump cascade. Detailed information regarding system examples: www.viessmann-schemes.com Only in conjunction with a heating water buffer cylinder.

  • Page 197: Interval For Long Term Average Outside Temperature

    Parameter group System definition 7002 Interval for long term average outside temperature Averaging interval for calculating the adjusted outside In practical use, this characteristic results not only in temperature (long term average). an adjustment but also a delay in capturing the outside temperature.

  • Page 198: Temperature Differential For Calculating The Cooling Limit

    Parameter group System definition 7003 Temperature differential for calculating… (cont.) ≙ Setting 1 0.1 K 20°C 18°C 16°C Fig. 52 Set room temperature Adjusted outside temperature (long term average) Set value "Temperature differential for calculat- ing the heating limit" Heating mode OFF Heating mode ON 7004 Temperature differential for calculating the cooling limit Cooling limit:...

  • Page 199: Swimming Pool

    Parameter group System definition 7008 Swimming pool Swimming pool heating control via temperature con- Note troller for regulating swimming pool temperature The temperature controller for regulating the swimming (accessory). pool temperature is connected to the heat pump con- trol unit via extension EA1 ("External extension 7010").

  • Page 200: External Extension

    Parameter group System definition 700F Output control strategy, cascade (cont.) To control the output of the heat pump cascade the Value Meaning flow temperature in the secondary circuit is captured. "0" No output control "1" Never adjust "2" Output control via the buffer outlet tempera- ture sensor 7010 External extension Areas of application for EA1 extension:...

  • Page 201: Fig. 53

    Parameter group System definition 7011 System components for external changeover (cont.) Meaning The setting value results from the combination of se- lected bits. "Bit 4" Never adjust "Bit 5" DHW heating "Bit 6" Buffer cylinder "Bit 7" Connected ventilation unit 7012 Operating status for external changeover Selecting the operating status to be switched to via external changeover.

  • Page 202: Heating Circuit Without Mixer

    Parameter group System definition 7013 Duration of external changeover (cont.) ■ Signal duration < value for duration of the Value Duration changeover "0" Changeover only as long as the switching Duration of changeover 8 h contact is closed Signal duration value for duration of the ■...

  • Page 203: Vitocom 100

    Parameter group System definition 7015 Effect of ext. blocking on heat… (cont.) Value Heating circuit with mixer Heating circuit with mixer Heat pump blocking M2/HC2 M3/HC3 "5" Mixer "CLOSED" Control mode "6" Control mode Mixer "CLOSED" "7" Mixer "CLOSED" Mixer "CLOSED" 7017 Vitocom 100 Use of the communication interface Vitocom 100, type Value...

  • Page 204: Bit

    Parameter group System definition 701A Effect of external blocking on… (cont.) Note Meaning opens the setting wizard. "Bit 4" Circulation pump for cylinder heating blocked "Bit 5" Secondary pump/compressor blocked Meaning "Bit 1" Heating circuit pump A1/HC1 blocked The setting value results from the combination of se- "Bit 2"...

  • Page 205: Number Of Lag Heat Pumps

    Parameter group System definition 701F Effect of OM changeover to ventilation (cont.) The setting value results from the combination of se- lected bits. 7029 Number of lag heat pumps Number of lag heat pumps with cascade control via Value Meaning "0"...

  • Page 206: Minimum Temp. For Solar Absorber Primary Source

    The max. primary inlet temperature can only be Set this value lower than max. primary inlet tempera- changed by a heat pump installer certified by ture minus "Solar absorber hysteresis 7032". Viessmann. ≙ Setting 1 0.1 °C 7035 Min. runtime to suppress summer mode...

  • Page 207: Absorber Circuit Monitoring

    Parameter group System definition 7037 Absorber circuit monitoring Value Meaning "0" Monitoring OFF "1" If the amount of energy with active switch- ing of the absorber pump falls below 1 kWh within a 6 h period, the fault mes- sage "96 Ice store absorber circ" will be displayed.

  • Page 208: Bit

    Parameter group System definition 7044 Type of assembly kit (cont.) Notes regarding the installation kit with mixer Value Meaning ("Type of assembly kit 7044" set to "1") "0" Installation kit with mixer is not installed. ■ Heating circuit A1/HC1 must be connected, other- "1"...

  • Page 209: Evaporator Temperature For Defrost End

    Parameter group Compressor Calling up the parameter group 1. Service menu: 3. "Compressor" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 5000 Enable compressor Enabling of the compressor for operation of the heat Note for pump or of heat pump stage 1.

  • Page 210: Output Compressor Stage

    Parameter group Compressor 5030 Output compressor stage Type-dependent heating output of the heat pump or Note compressor 1 in a 2-stage refrigerant circuit: : Set the output in line with the connected outdoor This value is required to calculate the energy state- unit.

  • Page 211: B01 Priority Ext. Heat Source/Instant. Heating Water Heater

    Parameter group External heat source Calling up the parameter group 1. Service menu: 3. "External heat source" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7B00 Enable external heat source The external heat source can be activated by the heat Value Meaning...

  • Page 212: B03 Start Threshold External Heat Source

    Parameter group External heat source 7B03 Start threshold external heat source To prevent the external heat generator starting immedi- Setting in K ately if the set flow temperature in the secondary cir- cuit is not reached for a short time, the control unit uses the output integral as start criteria.

  • Page 213: B07 Run-On Time External Heat Source

    Parameter group External heat source 7B07 Run-on time external heat source When the demand for the external heat generator is no Setting in min longer present, the external heat generator initially remains on. The external heat generator is only switched off when the system flow temperature has reached the set value for the duration set here.

  • Page 214: B0E Dual Mode Heat Pump Operation

    Parameter group External heat source 7B0E Dual mode heat pump operation Only applies to central heating. Information on setting "0" and "1" In order to prevent the buffer cylinder being heated via the return of the external heat generator, route the Value Meaning heating circuit return via a 3-way diverter valve directly...

  • Page 215: B11 Enable Boiler Water Temperature Sensor

    Parameter group External heat source 7B10 Enable min. temp. maintenance for ext. HS (cont.) Value Meaning "0" Mixer remains open and the circulation pump for cylinder reheating remains ON. "1" Mixer closes. Circulation pump for cylinder re- heating is switched off. The components will be switched again if the boiler water temperature exceeds the "Min.

  • Page 216: Parameter Group Dhw Calling Up The Parameter Group

    DHW cylinder. Operating status "Vitotronic 200" operating instructions If the set DHW temperature cannot be achieved with the heat pump, the following booster heaters can be activated in addition to the heat pump for DHW reheat- ing: Instantaneous heating water heater ("Enable elec-...

  • Page 217: Hysteresis Dhw Temperature Heat Pump

    Parameter group DHW 6007 Hysteresis DHW temperature heat pump The set value determines at what deviation from the Note current set temperature ("Set DHW temperature Set a lower value for "Hysteresis DHW temperature 6000" or "Set DHW temperature 2 600C") DHW heat pump 6007"...

  • Page 218: Start Optimisation For Dhw Heating

    6009 Start optimisation for DHW heating Comfort function for heating the DHW cylinder. "Vitotronic 200" operating instructions The set cylinder temperature has already been reached at the start of a time phase in the time pro- gram for DHW heating.

  • Page 219: E Temperature Sensor At Bottom Of Dhw Cylinder

    Parameter group DHW 600E Temperature sensor at bottom of DHW cylinder If a second temperature sensor is installed at the bot- Value Meaning tom of the DHW cylinder, DHW cylinder heating in the "0" No cylinder temperature sensor at the bottom. operating "Standard"...

  • Page 220: Enable Electric Heaters For Dhw Heating

    If all attempts result in a high pressure fault, DHW perature level, e.g. from "Top" to "Standard". heating is terminated and central heating is switched "Vitotronic 200" operating instructions 601E Shutdown hysteresis inst. heating water heater This hysteresis serves to specify the max. flow temper-...

  • Page 221: F Cylinder Primary Pump Enable

    Parameter group DHW 601F Cylinder primary pump enable Enables the circulation pump on the DHW side for Value Meaning DHW heating in the cylinder loading system (cylinder "0" No cylinder loading pump installed. loading pump); connection to contact 224.6 on the "1"...

  • Page 222: Max. Interruption Dhw Heating

    Parameter group DHW 6060 Blocking time DHW heating (cont.) Setting in min 6061 Max. interruption DHW heating Once the DHW has been heated to the currently appli- Setting in min cable set temperature, the DHW cylinder will always be heated following the specified period. This applies even if the cylinder temperature does not fall below the switch-on point during this period.

  • Page 223: Calling Up The Parameter Group

    Parameter group Solar Calling up the parameter group 1. Service menu: 3. "Solar" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7A00 Type solar control unit Value Meaning "0" No solar control unit installed "1"...

  • Page 224: Calling Up The Parameter Group

    Parameter group Electric booster heater Calling up the parameter group 1. Service menu: 3. "Electric heater" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7900 Enable instantaneous heating water heater If an instantaneous heating water heater is installed in Value Meaning...

  • Page 225: Enable Instant. Heating Water Heater For Central Heating

    Parameter group Electric booster heater 7901 Enable electric heaters for DHW heating (cont.) Value Meaning "0" Instantaneous heating water heater of the lag heat pump is not enabled for DHW reheating. The instantaneous heating water heater is on- ly switched on for the purpose of DHW cylin- der frost protection.

  • Page 226: A Output For Instant. Heating Water Heater At Power-Off

    Parameter group Electric booster heater 790A Output for instant. heating water heater at power-OFF Value Meaning "0" Instantaneous heating water heater remains off during power-OFF, except for frost protec- tion. "1" Output stage 1, e.g. approx. 3 kW "2" Output stage 2, e.g. approx. 6 kW "3"...

  • Page 227: Calling Up The Parameter Group

    High flow temperatures in the underfloor heating mum of 32 days are displayed for screed drying. circuit lead to the screed being overheated and "Vitotronic 200" operating instructions to building damage. Install a temperature limiter in the flow of the ■...

  • Page 228: C Flow Temperature For External Demand

    Parameter group Internal hydraulics 7303 Time program for screed drying (cont.) Note Value Temperature/time profile Observe the specifications of EN 1264-4. The report to /°C Set flow temperature in °C ϑ be provided by the heating contractor must contain the Time in days following heat-up details: "5"...

  • Page 229: D Enable 3-Way Diverter Valve Heating/Dhw

    Parameter group Internal hydraulics 730D Enable 3-way diverter valve heating/DHW If a pump and a 3-way diverter valve are used in the Value Meaning secondary circuit to switch between DHW heating and "0" No 3-way diverter valve installed. ■ central heating, set parameter "Enable 3-way diverter DHW heating is provided via different hy- ■...

  • Page 230: Compressor Performance At Max. Outside Temperature

    Parameter group Internal hydraulics 730F Compressor performance at min. outside… (cont.) Note Setting in % Set "Compressor performance at min. outside tem- perature 730F" higher than "Compressor perform- ance at max. outside temperature 7310". 7310 Compressor performance at max. outside temperature On heat pumps using compressors with output- Note dependent control: Default compressor output.

  • Page 231: Rated Output Secondary Pump (Pwm)

    Parameter group Internal hydraulics 7340 Operating mode secondary pump (cont.) Value Meaning Central heating DHW heating "0" No switching via PWM signal, e.g. with standard circulation pump (multi stage) "1" Switching via PWM signal: Switching via PWM signal: Standard mode: 100 %/0 % Default speed 100 % "2"...

  • Page 232: Starting Time High Efficiency Circulation Pump

    Parameter group Internal hydraulics 7365 Starting time high efficiency circulation pump If 1 high efficiency circulation pump each is used for The selected value sets the duration of this run-on DHW heating and central heating: time. In order to avoid high starting currents, HE circulation pumps will increase their output in stages after start- Setting in s ing.

  • Page 233: Screed Program End Day

    Parameter group Internal hydraulics 7379 Screed program end day After the temperature/time profile has been selected The setting value is the last day of the screed drying with "Time program for screed drying 7303" screed program. drying starts immediately. Parameter "Screed program end day 7379" can be used to set the position of the last day of the screed drying program within the temperature/time profile.

  • Page 234: Calling Up The Parameter Group

    Parameter group Primary source Calling up the parameter group 1. Service menu: 3. "Primary source" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7400 Primary source mode Type of speed control for the primary pump or fan Value Meaning "0"...

  • Page 235: Min. Primary Circuit Inlet Temperature In Operation

    Parameter group Primary source 7470 Min. primary circuit inlet temperature in operation If the primary circuit flow temperature (brine inlet into ≙ Setting 1 0.1 °C the heat pump) falls below the set value during heat pump operation, the compressor speed is regulated down depending on the degree of undershooting.

  • Page 236: Calling Up The Parameter Group

    Parameter group Buffer cylinder Calling up the parameter group 1. Service menu: 3. "Buffer cylinder" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7200 Enable buffer cylinder/low loss header Note Value Meaning Buffer cylinder monitoring is not possible in conjunction...

  • Page 237: Max. Temperature Buffer Cylinder

    Parameter group Buffer cylinder 7203 Hysteresis temperature heating buffer… (cont.) ≙ Setting 1 0.1 K Fig. 61 Set buffer temperature "Hysteresis temperature heating buffer cylin- der 7203" Heating of buffer cylinder is OFF Heating of buffer cylinder is ON 7204 Max. temperature buffer cylinder Heating of the buffer cylinder ends when the buffer ≙...

  • Page 238: Stop Hysteresis, Heating Water Buffer Cylinder

    Parameter group Buffer cylinder 7209 Stop hysteresis, heating water buffer cylinder If the set buffer temperature is exceeded by the set ≙ Setting 1 0.1 K hysteresis, heating of the buffer cylinder is terminated. Which temperature sensor is used for switching off depends on the active operating status in "Time pro- gram heating water buffer cylinder".

  • Page 239: A Min. Temperature Coolant Buffer Cylinder

    Parameter group Buffer cylinder 7223 Stop hysteresis coolant buffer cylinder … (cont.) ≙ Setting 1 0.1 K Fig. 62 "Start hysteresis coolant buffer cylinder 722B" Set buffer temperature "Stop hysteresis coolant buffer cylinder 7223" Cooling of heating water/coolant buffer cylinder Cooling of heating water/coolant buffer cylinder 722A Min.
  • Page 240 Parameter group Buffer cylinder 722B Start hysteresis coolant buffer cylinder … (cont.) Fig. 63 "Start hysteresis coolant buffer cylinder 722B" Set buffer temperature "Stop hysteresis coolant buffer cylinder 7223" Cooling of heating water/coolant buffer cylinder Cooling of heating water/coolant buffer cylinder ≙...

  • Page 241: Calling Up The Parameter Group

    Set room temperature for reduced heating or cooling Note mode (reduced room temperature). The maximum value for "Reduced room temperature 2001" is 1 K below the current value for "Standard "Vitotronic 200" operating instructions room temperature 2000". ≙ Setting 1 0.1 °C...

  • Page 242: Room Temperature Control

    Parameter group Heating circuits/Cooling circuits 2003 Remote control (cont.) Note In the heat pump setting "Manual mode" the remote controls have no function: See "Vitotronic 200" operat- ing instructions. 2005 Room temperature control Room temperature-dependent control of the heating/ Value...

  • Page 243: A Influence Room Temperature Hook-Up

    Parameter group Heating circuits/Cooling circuits 200A Influence room temperature hook-up Influence of the room temperature on the set flow tem- Example: perature of the heating circuit with weather-compensa- ■ Set room temperature = 20 °C ted control. For each Kelvin of differential between the ■...

  • Page 244: Room Temperature In Party Mode

    Parameter group Heating circuits/Cooling circuits 2022 Room temperature in party mode Set room temperature for party mode. ≙ Setting 1 0.1 °C Operating instructions 2030 Cooling Only for system with heating water/coolant buffer cylin- Value Meaning der ("Enable buffer cylinder/low loss header 7200" "0"...

  • Page 245: Influence Room Temperature Hook-Up Cooling Circuit

    Room temperature sensor is connected, e.g. via remote control. 2040 Cooling curve level Only for system with heating water/coolant buffer cylin- "Vitotronic 200" operating instructions der ("Enable buffer cylinder/low loss header 7200" set to "2"): For weather-compensated central cooling via the heat- ≙...

  • Page 246: Parameter Group Cooling Calling Up The Parameter Group

    As the compressor is operational for "active cooling", "0" No cooling this function must additionally be enabled by the sys- "1" Natural cooling with NC-Box without mixer tem user: See "Vitotronic 200" operating instructions. (accessories). "2" Natural cooling with NC-Box with mixer (ac- cessories). "3"...

  • Page 247: Influence Room Temperature Hook-Up Cooling Circuit

    Parameter group Cooling 7104 Influence room temperature hook-up cooling circuit The higher the value, the greater the influence of the Note room temperature on the set flow temperature of the Room temperature hook-up is OFF at a setting of "0". cooling circuit with weather-compensated control.

  • Page 248: Enable Flow Temperature Sensor Cooling Circuit

    For cooling via a heating circuit with mixer, the flow temperature sensor used for central heating will also be used for cooling. 7110 Cooling curve level "Vitotronic 200" operating instructions ≙ Setting 1 0.1 K The flow temperature value determined from the cool- ing curve is adopted directly as the set value for the cooling circuit.

  • Page 249: Dew Point Monitor

    "2" Compressor switches off, no message at the heat pump control unit. 71FE Enable active cooling This must be enabled once in order for the heat pump "Vitotronic 200" operating instructions to start active cooling.

  • Page 250: D01 Enable Preheater Bank Electric

    Parameter group Ventilation Calling up the parameter group 1. Service menu: 3. "Ventilation" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7D00 Vitovent enable Vitovent Value Meaning 200-C 200-W 300-C 300-F 300-W "0"...

  • Page 251: D04 Enable Target Temperature Control

    Parameter group Ventilation 7D02 Enable reheater bank hydraulic (cont.) Value Meaning "0" Hydraulic reheating coil is not enabled. "1" Hydraulic reheating coil is enabled. 7D04 Enable target temperature control Vitovent Value Meaning 200-C 200-W 300-C 300-F 300-W "0" Regulation to a constant air flow rate in line with the set ventilation function, operating —...

  • Page 252: D0A Flow Rate Reduced Ventilation

    Parameter group Ventilation 7D08 Set room temperature (cont.) Set extract air temperature for ventilation mode. Note ■ At extract air temperatures < "Set room tempera- Further conditions must be met in order for passive ture 7D08" minus 1 K, the bypass can be activated heating and passive cooling to be switched on: See for passive heating.

  • Page 253: D18 Co2 Value For Raising The Flow Rate

    Parameter group Ventilation 7D0F Min. supply air temperature for bypass (cont.) Vitovent 200-C: Note ■ Outdoor air temperature (heat exchanger air intake) Further conditions must be met in order for passive > "Min. supply air temperature for bypass 7D0F" cooling to be switched on: See "Set room tempera- plus 0.5 K ture 7D08"...

  • Page 254: D1B Intensive Ventilation Duration

    Parameter group Ventilation 7D1B Intensive ventilation duration Note Vitovent If "Economy mode" was previously active, the control 200-C 200-W 300-C 300-F 300-W unit starts "Ventilation program". — — — Setting in min After expiry of the set duration, if "Intensive opera- tion"...

  • Page 255: D27 Control Voltage Matching

    Parameter group Ventilation 7D27 Control voltage matching ≙ Vitovent Setting 1 0.01 V 200-C 200-W 300-C 300-F 300-W — — — — To compensate for any pressure differential between the supply air and extract air side, the speed of one fan can be raised compared to the other.

  • Page 256: D2F Installation Position

    Parameter group Ventilation 7D2E Type of heat exchanger (cont.) Value Meaning "0" Countercurrent heat exchanger: Via the countercurrent heat exchanger a large part of the energy from the extract air is transferred to the outdoor air. "1" Enthalpy heat exchanger: In addition to heat recovery in accordance with the countercurrent principle, some of the humidity from the extract air is also transfer-...

  • Page 257: D71 Control Voltage Matching, Supply Air Fan

    Parameter group Ventilation 7D5E Starting block, ventilation periods part… (cont.) Note Meaning The times from 16:00 to 23:00 h are selected with "Bit 1" 00:00 o'clock "Starting block, ventilation periods part 2 7D5F". "Bit 2" 01:00 o'clock "Bit 3" 02:00 o'clock The setting value results from the combination of se- lected bits.

  • Page 258: D72 Control Voltage Matching, Exhaust Air Fan

    Parameter group Ventilation 7D72 Control voltage matching, exhaust air fan ≙ Vitovent Setting 1 0.01 V 200-C 200-W 300-C 300-F 300-W — — — — To compensate for any pressure differential between the supply air and extract air side, the speed of the exhaust air fan compared to the supply air fan can be raised or lowered.

  • Page 259: C101 Preheater Coil

    Parameter group Ventilation 7D79 Sensor matching, extract air temperature (cont.) Recommendation: ≙ Setting 1 0.1 K Set "Standby mode" for the ventilation unit. After some time, compare the temperature values of all tem- perature sensors against each other and/or against a reference temperature.

  • Page 260: C106 Co2 Sensor

    Parameter group Ventilation C106 CO2 sensor Do not adjust. Vitovent 200-C 200-W 300-C 300-F 300-W — — C108 set room temperature Requirement: The bypass is enabled for passive cool- Vitovent ing ("Bypass mode C1A0" set to "0"). 200-C 200-W 300-C 300-F 300-W —...

  • Page 261: C10B Standard Ventilation

    Parameter group Ventilation C10B Standard ventilation Vitovent Vitovent 200-W: Setting in % in accordance with fan ■ curves 200-C 200-W 300-C 300-F 300-W Fan curves — — Installation and service instructions "Vitovent 200-W" Set air flow rate for the "Standard" operating status in Vitovent 300-C/300-W: Setting in m ■...

  • Page 262: C18A Reduced Ventilation, Second Fan Duct

    Parameter group Ventilation C18A Reduced ventilation, second fan duct Note Vitovent The set supply air flow rate is set with "Reduced ven- 200-C 200-W 300-C 300-F 300-W tilation C10A". Pressure imbalances in the ductwork — — — — can be balanced out with different settings for the sup- ply air and extract air flow rates.

  • Page 263: C1A0 Bypass Mode

    Parameter group Ventilation C1A0 Bypass mode Vitovent Value Meaning 200-C 200-W 300-C 300-F 300-W "0" Bypass can automatically be activated for passive cooling. — — Note How the bypass system works. Further conditions must be met in order for passive cooling to be switched on: See chap- ter "Passive cooling"...

  • Page 264: C1A3 Specified Imbalance

    Parameter group Ventilation C1A2 Imbalance permitted (cont.) Value Meaning "0" Supply air and extract air flow rates are re- ■ duced for frost protection. Both fans are switched off to protect against ■ excessively high temperatures. Only Vitovent 300-C/300-W: ■ No increase or decrease of the supply air stream in comparison to the extract air stream: Supply air and extract air flow rate...

  • Page 265: C1Aa Min. Temperature, Geothermal Heat Exchanger

    Parameter group Ventilation C1AA Min. temperature, geothermal heat exchanger ≙ Vitovent Setting 1 0.1 °C 200-C 200-W 300-C 300-F 300-W — — When outside temperatures are low, the outdoor air can be preheated by a geothermal heat exchanger (on site), e.g. to protect the heat exchanger against frost. Below the set temperature, the 3-way diverter damper opens up the path through the geothermal heat exchanger.

  • Page 266: C1C1 Min. Voltage, Input 2

    Parameter group Ventilation C1C1 Min. voltage, input 2 ≙ Recommended setting: "80" ( 8 V) Vitovent 200-C 200-W 300-C 300-F 300-W ≙ Setting 1 0.1 V — — Note Switching voltage for the humidity signal with a con- If air humidity control via the central humidity sensor is nected CO /humidity sensor (accessories).

  • Page 267: E02 Prop. Of External Current

    Parameter group Photovoltaics Calling up the parameter group 1. Service menu: 3. "Photovoltaics" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7E00 Enable own energy consumption PV Enabling utilisation of power generated on site from Value Meaning the PV system.

  • Page 268: E04 Threshold For Electrical Power

    Parameter group Photovoltaics 7E04 Threshold for electrical power In connection with on-site power consumption, the fol- ≙ Setting 1 0.1 kW lowing functions will only start if the electrical PV sys- tem output captured by the generation meter (accesso- ries) exceeds the set threshold: ■...

  • Page 269: E12 Enable Own Energy Consumptn For Heating Water Buffer Cyl

    Parameter group Photovoltaics 7E12 Enable own energy consumptn for heating water buffer cyl. If heating of the buffer cylinder with power generated Value Meaning on site is enabled, the set buffer temperature is "0" Heating the buffer cylinder with power gener- increased compared to operation with power from the ated on site is disabled.

  • Page 270: E21 Raise Set Dhw Cylinder Temperature Pv

    Parameter group Photovoltaics 7E21 Raise set DHW cylinder temperature PV Raising the set cylinder temperature for DHW heating ≙ Setting 1 0.1 K in the case of on-site power consumption. Requirements: "Enable own energy consumption for DHW heating 7E11" is set to "1". 7E22 Raise set heating water buffer cylinder temp PV Raising the set buffer temperature for central heating ≙...

  • Page 271: E82 Smart Grid Enable Elec Heat

    Parameter group Smart Grid Calling up the parameter group 1. Service menu: 3. "Smart Grid" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7E80 Enable Smart Grid The power supply utility can block or specifically issue Value Meaning a demand for the compressor via Smart Grid.

  • Page 272: E91 Smart Grid Set Value Increase For Dhw Heating

    Parameter group Smart Grid 7E91 Smart Grid set value increase for DHW heating If the function for increasing set temperatures is active ≙ Setting 1 0.1 K via Smart Grid, "Set DHW temperature 6000" is raised by this value. 7E92 Smart Grid set value increase for htg wtr buff If the function for increasing set temperatures is active ≙...

  • Page 273: C00 To 7C06 Automatic Changeover Summertime - Wintertime

    Parameter group Time Calling up the parameter group 1. Service menu: 3. "Time" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 7C00 to 7C06 Automatic changeover summertime - wintertime In the delivered condition, the changeover will always take place in the night from Saturday to Sunday on the last weekend in March and October.

  • Page 274: Calling Up The Parameter Group

    ■ area code, subscriber number). The first part is perma- once within a individual system. nently set to the same value for all Viessmann applian- ■ Do not set LON subscriber number 99 for the heat ces. The other parts consist of the LON system num- pump control unit.

  • Page 275: C Interval For Data Transfer Via Lon

    (country code, area code, subscriber number). The first part is permanently set to the same value for all Viessmann appliances. The other parts consist of the LON system number and LON subscriber number. 779C Interval for data transfer via LON...

  • Page 276: Ff Send Time

    Parameter group Communication 77FE Source time (cont.) Value Meaning Value Meaning "1" The heat pump control unit receives the time "2" The heat pump control unit receives the time from another LON subscriber with the same from an external device via KM BUS, e.g. system number ("LON system number wireless base station.

  • Page 277: Calling Up The Parameter Group

    Parameter group Control Calling up the parameter group 1. Service menu: 3. "Control" Press OK + simultaneously and hold for å approx. 4 s. 4. Select parameter. 2. "Coding level 1" 8800 Lock out controls Note Value Standard menu Extended menu ■...

  • Page 278: Overview Of The Pcbs

    PCBs and connection options Overview of the PCBs PCB locations in the heat pump Heat pump installation and service instructions Brine/water and air/water heat pumps Vitocal 200-A 300-A 300-A 222-G 333-G Type AWCI-AC AWO-AC 201.A 301.B 302.B Main PCB (230 V~ components): See page 280.

  • Page 279: Heat Pumps With Separate Indoor And Outdoor Unit

    PCBs and connection options Overview of the PCBs (cont.) Heat pumps with separate indoor and outdoor unit PCBs in the indoor unit Vitocal 100-S 111-S 200-A 222-A 200-S 222-S Main PCB (230 V~ components): See page 280. Expansion PCB (230 V~ components): See page 284.

  • Page 280: Main And Expansion Pcb

    PCBs and connection options Main and expansion PCB Main PCB For allocation to heat pump type: See "Overview of PCBs". 230 V~ components X3.1 X3.1 X3.1 X3.1 1 2 3 4 1 2 3 4 1 2 3 4 5 6 7 1 2 3 4 5 sYÖ...
  • Page 281 PCBs and connection options Main and expansion PCB (cont.) Plug Terminals Function Explanation 211.2 In systems without a buffer cylinder, no other heating ■ Secondary pump circuit pump is required: See terminal 212.2. Connect a temperature limiter to restrict the maximum ■...
  • Page 282 PCBs and connection options Main and expansion PCB (cont.) Terminals Function Explanation 212.3 DHW circulation pump Connection values Output: 50 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ 212.4 3-way diverter valve for heating water Connection values buffer cylinder bypass or heat pump Output: 130 W ■...
  • Page 283 PCBs and connection options Main and expansion PCB (cont.) Plug Terminals Function Explanation 216.1 Central heating demand, heating cir- 230 V~ digital input: cuit A1/HC1 230 V~: Central heating demand for heating circuit ■ A1/HC1 active 0 V: No demand ■...

  • Page 284: Expansion Pcb On Main Pcb

    PCBs and connection options Main and expansion PCB (cont.) Expansion PCB on main PCB For allocation to heat pump type: See "Overview of PCBs". 230 V~ components sXÖ L1 N 1 2 3 4 1 2 3 4 5 6 7 1 2 3 Fig.
  • Page 285 PCBs and connection options Main and expansion PCB (cont.) Plug Terminals Function Explanation 222.1 Connection values Control of mixer motor for external Output: 10 W ■ heat generator Voltage: 230 V~ ■ Max. switching current: 0.2(0.1) A Signal mixer CLOSE ■...
  • Page 286 PCBs and connection options Main and expansion PCB (cont.) Terminals Function Explanation 224.7 Connection values Circulation pump for DHW reheating Output: 100 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ Control of immersion heater (in DHW cylinder) Plug Terminals...

  • Page 287: Connections For Dhw Heating

    PCBs and connection options Main and expansion PCB (cont.) Connections for DHW heating Vitocal 100-S/200-A/200-S 211.4 (main PCB) Scheme 211.4 3-way diverter valve (integral) ■ Cylinder loading pump ■ 2-way shut-off valve ■ 211.4 Secondary pump (integral) Vitocal 111-S/222-A/222-S/222-G/333-G 211.4 (main PCB) Scheme 211.4 3-way diverter valve...
  • Page 288 PCBs and connection options Main and expansion PCB (cont.) Vitocal 300-A, type AWO-AC 301.B, Vitocal 300-A, type AWO 302.B 211.4 (main PCB) 224.6 (expansion PCB) Scheme 224.6 Circulation pump for cylinder Cylinder loading pump ■ heating 2-way shut-off valve ■ 211.4 211.4 Secondary pump...

  • Page 289: Vitocal 300-A Cross Connect Pcb

    PCBs and connection options Vitocal 300-A cross connect PCB For allocation to heat pump type: See "Overview of PCBs". Message and safety connections 1 / N / PE 230 V / 50 Hz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 5 4 3 2 1 17 16 15 14 13 12 11 10...
  • Page 290 PCBs and connection options Vitocal 300-A cross connect PCB (cont.) Terminals Function Explanation X3.1, X3.2, Switched phase Note X3.3, X3.7, Observe the total load of 1000 W for all connected X3.11, X3.13, components. X3.16 X3.2 "External blocking" signal: External Requires floating contact: X3.14 blocking of compressor and pumps, Closed: Blocking active...
  • Page 291 PCBs and connection options Vitocal 300-A cross connect PCB (cont.) Terminals Function Explanation X3.8 X3.9 Frost stat Requires floating contact: and/or Closed: Safety chain has continuity ■ Open: Safety chain interrupted; heat pump shut down ■ Contact humidistat Breaking capacity 230 V~, 0.15 A ■...

  • Page 292: Luster Terminals, Vitocal 100-S/200-A/200-S

    Luster terminals, Vitocal 100-S/200-A/200-S Signal and safety connections and components 230 V~ 7 1 8 9 3 4 1 1 1 1 1 L´ L´ L´ L´ L´ L´ Vitotronic 200 WO1C ´ 1/N/PE 230 V/50 Hz Fig. 67 Fuse 6.3 A (slow) Terminals X1.
  • Page 293 PCBs and connection options Luster terminals, Vitocal 100-S/200-A/200-S (cont.) Terminals Function Explanation Note No parameters need to be set ■ No jumper should be installed if a power-OFF contact ■ is connected. The compressor is "forced" off as soon as the contact ■...

  • Page 294: Luster Terminals, Vitocal 111-S/222-A/222-S

    PCBs and connection options Luster terminals, Vitocal 111-S/222-A/222-S Signal and safety connections and 230 V~ compo- nents 1/N/PE L´ L´ L´ L´ 230 V/50 Hz ´ Fig. 68 Fuse 6.3 A H (slow) Terminals X1. for earth conductors of all asso- ciated system components Terminals X2.N for neutral conductors of all asso- ciated system components...
  • Page 295 PCBs and connection options Luster terminals, Vitocal 111-S/222-A/222-S (cont.) Terminals Function Explanation Note No parameters need to be set ■ No jumper should be installed if a power-OFF contact ■ is connected. The compressor is "forced" off as soon as the contact ■...

  • Page 296: Luster Terminals Vitocal 200-A

    PCBs and connection options Luster terminals Vitocal 200-A Signal and safety connections Fig. 69 X1 Terminals X1. for earth conductors of all associ- ated system components X2 Terminals X2.N for neutral conductors of all asso- ciated system components ■ Switched phase L1: X3.1, X3.2 ■...
  • Page 297 PCBs and connection options Luster terminals Vitocal 200-A (cont.) F1 6.3 A H (slow) 1/N/PE 230 V/50 Hz Fig. 70 F1 Fuse 6.3 A (slow) Fan connection 230 V~ (factory-connected) ■ ■ Fan thermal contact (factory-connected) ■ Power supply terminals of control unit "L1" and auxiliary components Terminals for signal and safety connections ■...
  • Page 298 PCBs and connection options Luster terminals Vitocal 200-A (cont.) Terminals Function Explanation Note No parameters need to be set ■ No jumper should be installed if a power-OFF contact ■ is connected. The compressor is "forced" off as soon as the contact ■...

  • Page 299: Vitocal 222-G/333-G Luster Terminals

    PCBs and connection options Vitocal 222-G/333-G luster terminals Signal and safety connections and 230 V~ components 12 . 1/N/PE 230 V/50 Hz Fig. 71 Fuse 6.3 A H (slow) Switched phase L': X3.1 ■ Terminals X1. for earth conductors of all asso- ■...

  • Page 300: Vitocal 100-S/200-A/200-S/300-A Controller And Sensor Pcb

    Connections for temperature sensors: See the Modbus 1 connection: Viessmann appliances, following table. e.g. outdoor unit Jumper for Modbus 2 terminator If other Viessmann appliances are to be con- Terminator active nected, use the Modbus distributor (accesso- Terminator not active ries).
  • Page 301 PCBs and connection options Vitocal 100-S/200-A/200-S/300-A controller and… (cont.) Connection, PWM signal a:DA Connection, PWM signal, secondary pump a:DB Modbus 2 connection, e.g. energy meter Sensors F0 to F25: See inscription on the sensor Sensor Connection at Sensor/component Type plug X25 F0.1/F0.2 Outside temperature sensor NTC 10 k...

  • Page 302: Vitocal 111-S/222-A/222-S/222-G/333-G Controller And Sensor Pcb

    PCBs and connection options Vitocal 111-S/222-A/222-S/222-G/333-G controller and sensor PCB 193D 193B 193A 193C Fig. 73 For temperature sensors: See the following Slot for coding card table. KM-BUS Jumper for Modbus terminator Vitocal 111-S/222-A/222-S only: a:DA Terminator active PWM signal, heating circuit pump M2/HC2 (component of installation kit with mixer, acces- Terminator not active sories)
  • Page 303 PCBs and connection options Vitocal 111-S/222-A/222-S/222-G/333-G controller and sensor PCB (cont.) Sensor Connection at Sensor/component Type plug X25 Contact humidistat 24 V — – ― Note If the following contact humidistats are used during cooling, insert jumper, otherwise the heat pump will not start (message "CA Protectn device primry").
  • Page 304 PCBs and connection options EEV PCB For allocation to heat pump type: See "Overview of PCBs". Fig. 74 Air intake temperature sensor (Pt500A) Compressor control Air discharge temperature sensor (Pt500A) Never connect anything here. Hot gas temperature sensor (Pt500A) Modbus: Connecting cable to the controller and High pressure sensor sensor PCB, connection X18 Suction gas temperature sensor (Pt500A)

  • Page 305: Inverter

    PCBs and connection options EEV PCB (cont.) Inverter Fig. 75 Connection for coil Power supply terminals Heat sink Terminals, connecting cable to the compressor LED status indicators: Terminals "POWER" Inverter power supply connected. 1 to 3 Connecting cable to the EEV PCB [2] "FAULT"...
  • Page 306 PCBs and connection options EEV PCB For allocation to heat pump type: See "Overview of PCBs". ϑ ϑ ϑ ϑ 230 V 50 Hz Fig. 76 Modbus: Inverter control Liquid gas temperature sensor (downstream of Modbus: Fan control condenser) (NTC 10 k Ω...

  • Page 307: Eev Pcb [4-3] / [4-4]

    PCBs and connection options EEV PCB [4-3] / [4-4] For allocation to heat pump type: See "Overview of PCBs". ϑ ϑ ϑ 230 V/ ϑ 50 Hz ϑ ϑ ϑ Fig. 77 Modbus: Inverter control Suction gas temperature sensor (downstream of Modbus: Connecting cable to the controller and evaporator) (NTC 10 k Ω...

  • Page 308: Eev Pcb [4-6] / [4-7]

    PCBs and connection options EEV PCB [4-6] / [4-7] For allocation to heat pump type: See "Overview of PCBs". [4-6]: Vitocal 333-G ϑ ϑ ϑ ϑ ϑ 230 V/ ϑ 50 Hz ϑ Fig. 78 Modbus: Inverter control Secondary circuit flow temperature sensor Modbus: Connecting cable to the controller and (NTC 10 k Ω...

  • Page 309: Vitocal 222-G

    PCBs and connection options EEV PCB [4-6] / [4-7] (cont.) [4-7]: Vitocal 222-G ϑ ϑ ϑ ϑ ϑ 230 V/ ϑ 50 Hz ϑ Fig. 79 Never connect anything here. Secondary circuit flow temperature sensor down- Modbus: Connecting cable to the controller and stream of instantaneous heating water heater sensor PCB, terminal X18 (NTC 10 k...

  • Page 310: Controller Pcb: Type Awo 301.A25 To A60

    PCBs and connection options Controller PCB and EEV PCB Controller PCB: Type AWO 301.A25 to A60 For allocation to heat pump type: See "Overview of PCBs". Vout Rx-/Tx- Rx+/Tx+ Rx-/Tx- Rx+/Tx+ Rx-/Tx- Rx+/Tx+ +Vdc +5VR Out2 +Vdc +5VR Out3 Out4 +Vdc Out5 +5VR...

  • Page 311: Eev Pcb: Type Awo 301.A60

    PCBs and connection options Controller PCB and EEV PCB (cont.) EEV PCB: Type AWO 301.A60 Fig. 81 Power supply 24 V – Low pressure sensor Suction gas temperature sensor (NTC 10 k Ω Modbus connecting cable to controller PCB, con- nection in Fig.

  • Page 312: Main Pcb [7] / [7-1]

    PCBs and connection options Main PCB [7] / [7-1] For allocation to heat pump type: See "Overview of PCBs". 230 V/ 50 Hz 20 k ϑ 15 k ϑ 50 k ϑ ϑ 20 k Fig. 82 Internal power supply (factory connection) High pressure switch 4-way diverter valve Suction gas temperature sensor (NTC 20 k...

  • Page 313: Jumper Id (Blue)

    PCBs and connection options Main PCB [7] / [7-1] (cont.) Jumper ID (blue) Checking the number of the refrigerant circuit control- Types Refrigerant circ Printed ID ler: See chapter "System information" on page 183. controller (XX) 101/111.A04 [7-1] 101/111.A06 [7-1] 101/111.A08 [7-1] 101/111.A12...

  • Page 314: Temperature Sensors

    Sensors Temperature sensors Viessmann NTC 10 k (blue marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 315 Sensors Temperature sensors (cont.) Viessmann NTC 20 k (orange marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...

  • Page 316: Viessmann Pt500A (Green Marking)

    Sensors Temperature sensors (cont.) Viessmann Pt500A (green marking) / °C / °C R / / °C R / / °C R / / °C R / / °C R / ϑ Ω ϑ Ω ϑ Ω ϑ Ω ϑ Ω...
  • Page 317 Sensors Temperature sensors (cont.) Connection to EEV PCB [4-3] / [4-4] / [4-6] / [4-7]: NTC 10 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 318 Sensors Temperature sensors (cont.) Connection to EEV PCB [6]: NTC 10 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 319 Sensors Temperature sensors (cont.) Connection to main PCB [7] / [7-1]: NTC 15 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 320 Sensors Temperature sensors (cont.) Connection to main PCB [7] / [7-1]: NTC 20 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...

  • Page 321: Pressure Sensors

    Sensors Temperature sensors (cont.) Connection to main PCB [7] / [7-1]: NTC 50 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 322 Sensors Pressure sensors (cont.) Curves -0.5 Pressure Fig. 83 Up to 7 bar (0.7 MPa) Up to 30 bar (3 MPa) Up to 18 bar (1.8 MPa) Up to 50 bar (5 MPa) Connection to EEV PCB [2] / [6] / [7] / [7-1] Pressure Fig.

  • Page 323: Declarations Of Conformity For Heat Pumps

    Certificates Declarations of conformity for heat pumps Installation and service instructions of the rele- vant heat pump...
  • Page 324 Keyword index Keyword index Average ground temperature........206 2-stage refrigerant circuit........27, 138 Averaging interval............ 197 – Compressor, switching off........28 – Compressor demand..........28 – Required parameter settings........27 Background ventilation......260, 261, 262 – Switching on the compressor........28 Bathroom switch..........59, 256 Bit field..............
  • Page 325 Keyword index Keyword index (cont.) Central heating Control circuit – Max. duration............121 – Consumers............127 – Starting..............52 – Demand manager..........127 – Switching off............52 – Heat sources............127 – Via ventilation unit........... 54 – Production manager..........127 – With external heat generator......37, 38 Control high pressure.............
  • Page 326 Keyword index Keyword index (cont.) Differential air flow rate..........59 – Cylinder temperature sensor, bottom....219 Differential pressure switch........132 – Hysteresis............. 217 Disbalance..........59, 263, 264 – Max. temperature..........216 Diverter valve – Min. temperature........... 216 – Heating/DHW heating........... 229 –...
  • Page 327 Keyword index Keyword index (cont.) Enabling Fault code..............75 – Immersion heater.......... 220, 224 – Refrigerant circuit controller [2]......148 – Instantaneous heating water heater..220, 224, 225 – Refrigerant circuit controller [4]......153 – LON communication module.........274 – Refrigerant circuit controller [4-3] / [4-4]....159 –...
  • Page 328 Keyword index Keyword index (cont.) Flow temperature sensor Heating water/coolant buffer cylinder. 43, 48, 50, 56, 69 – Cooling circuit........50, 248, 301, 303 – Cooling activation............46 – Heating circuit............49 – Cooling deactivation..........46 – Heating circuit with mixer......301, 303 –...
  • Page 329 Keyword index Keyword index (cont.) Instantaneous heating water heater.....42, 54 Low pressure switch.........310, 312 – DHW heating............40 Luster terminals..........292, 294 – Dual mode temperature........226 – Vitocal 200-A............296 – Enabling............224, 225 – Vitocal 222-G/333-G..........299 – Function description..........39 –...
  • Page 330 Keyword index Keyword index (cont.) Modbus distributor..........300, 302 Outside temperature sensor......301, 302 Modbus subscriber...........187 Overview Monoblock version..........17, 20 – Messages..............75 – Refrigerant circuit controller........24 – Ventilation..............128 Natural cooling............246 NC-Box..............303 NC mixer..............50 Parameter..............196 Neutral conductor.............279 Parameter code..........193, 194 Nominal ventilation........252, 261, 262 Parameter group............
  • Page 331 Keyword index Keyword index (cont.) Pressure differential, supply/extract air flow rates59, 66 Refrigerant collector..........141 Pressure imbalance......... 263, 264 Refrigerant collector level sensor......306 Pressure sensor............321 Reheating coil............ 63, 128 – Suction gas............154 – Enable..............250 Pressure switch............96 – Enabling..............64 Primary circuit Relative humidity..........129, 133 –...
  • Page 332 Keyword index Keyword index (cont.) Secondary pump..........308, 309 Smart Grid..............35 – Manufacturer information........231 – Connection to EA1 extension........35 – Rated output............231 – Connection to heat pump control unit..... 36 – Switching...............230 – Enable instantaneous heating water heater..271 Sensor matching............186 –...
  • Page 333 Keyword index Keyword index (cont.) Supercooling of the liquid gas........141 Time changeover Supply air fan............128 – Summertime/Wintertime........273 Supply air heating..........54, 63 Time interval, filter change....... 133, 135 Supply air temperature..........118 Time program – For bypass............252 –...
  • Page 336 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...

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