Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual
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Viessmann Vitotronic 11 CC1E Installation And Service Instructions Manual

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Installation and service instructions
for contractors
Vitotronic 100
Type CC1E
Control unit for operation with constant boiler water temperature in a single
■
boiler system
■
Control unit for operation with constant boiler water temperature in a multi boiler
system with higher ranking third party control unit
With BASE E control unit
VITOTRONIC 100
5863679 GB
10/2019
VIESMANN
Please keep safe.

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitotronic 100 Type CC1E Control unit for operation with constant boiler water temperature in a single ■ boiler system ■ Control unit for operation with constant boiler water temperature in a multi boiler system with higher ranking third party control unit With BASE E control unit VITOTRONIC 100...
  • Page 2 Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Viessmann. water pipes to discharge static loads. Repair work Please note Repairing components that fulfil a safety function can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts.
  • Page 4 Safety instructions Safety instructions (cont.) Safety instructions for operating the system If you smell gas Condensate Danger Danger Escaping gas can lead to explo- Contact with condensate can be sions which may result in serious harmful to health. injury. Never let condensate touch your Do not smoke.
  • Page 5 Safety instructions Safety instructions (cont.) Danger The simultaneous operation of the boiler and appliances that exhausts air to the outside can result in life threatening poisoning due to a reverse flow of flue gas. Fit an interlock circuit or take suita- ble steps to ensure an adequate supply of combustion air.

  • Page 6: Table Of Contents

    Connecting a central fault message facility ........... 24 Connecting an AC burner ..............25 Pressure-jet oil/gas burner ..............25 ■ Viessmann MatriX burner for Vitocrossal ........... 26 ■ Connecting a three-phase burner ............27 Potential-free safety chain ..............27 ■...
  • Page 7 Index Index 6. External functions multi Overview of external functions ............... 43 — boiler system External changeover of multi stage/modulating burner ......43 Connecting the external control unit ............44 Settings ....................44 ■ Boiler external demand via external EA1 extension ......44 ■...
  • Page 8 87 Winter time starts: Day of the selected week ......67 ■ 93 Central fault message during emissions test function/service dis- ■ play ..................... 67 98 Viessmann system number ............67 ■ 9C LON subscriber monitoring ............68 ■ Boiler ...................... 68 02 Burner type ................
  • Page 9 Index Index 08 Circulation pump run-on ..............75 ■ 09 Frequency, auxiliary function for DHW heating ......75 ■ 0C For solar DHW heating: DHW temperature target ....76 ■ 0D With 2 tank temperature sensors: Tank heating stop point ... 76 ■...
  • Page 10 Index Index 30 Short circuit, boiler water temperature sensor ....... 87 ■ 38 Lead break, boiler water temperature sensor ........ 88 ■ 3A LAN hardware error ............... 88 ■ 3B LAN system error ................88 ■ 50 Short circuit, cylinder temperature sensor 1 ........88 ■...
  • Page 11 Index Index (cont.) Faults without a fault display .............. 98 ■ Checking temperature sensors .............. 98 Boiler, cylinder, flow and buffer temperature sensors; temperature ■ sensor for low loss header; return temperature sensor (Therm-Con- trol sensor) ..................98 Flue gas temperature sensor .............. 98 ■...
  • Page 12 The Viessmann General Terms and Conditions apply, savings, or other direct or indirect consequential losses which are included in each current Viessmann pricelist. resulting from use of the Vitocom or the corresponding Use of Vitoguide is subject to the Vitoguide data pro- internet services.

  • Page 13: Disposal Of Packaging

    Do not dispose of component in domestic waste. Intended use The device is intended to control only Viessmann Incorrect usage or operation of the appliance (e.g. the medium sized and industrial/commercial boilers with oil appliance being opened by the system user) is prohibi- or gas burners, in line with the intended use of those ted and will result in an exclusion of liability.

  • Page 14: Product Information

    Viessmann. The Vitotronic control unit can alternatively be config- ured as a "Boiler in the Cascade": System examples For available system examples, see www.viessmann- schemes.com Spare parts lists Information about spare parts can be found on the Viessmann spare parts app.

  • Page 15: Installing The Lon Communication Module (Accessories)

    Installation sequence Installing the LON communication module (accessories) Parameters to be configured during initial start-up: See chapter "Connecting the control unit to the LON". Fig. 1 Inserting the coding card Only use the boiler coding card supplied with the boiler. Fig.

  • Page 16: Example: Conversion To 100 °C

    Installation sequence Adjusting the high limit safety cut-out (if… (cont.) Example: Conversion to 100 °C °C Fig. 3 Adjusting the temperature controller (if required) The temperature controller is supplied with a factory setting of 95 °C. Please note Excessive DHW temperatures can damage the DHW cylinder.

  • Page 17: Mounting Control Unit Front

    Installation sequence Mounting control unit front Fig. 5 Please note The use of tools to remove the programming unit can cause scratching of the programming unit. With the control unit open, push the program- ming unit out from the inside.

  • Page 18: Opening The Control Unit

    Installation sequence Opening the control unit Fig. 6 Inserting cables and applying strain relief Control unit fitted to the boiler: ■ Route cables from below through the boiler front panel, into the control unit wiring chamber. ■ Control unit fitted on the side of the boiler: Route cables from below out of the cable channel into the control unit.

  • Page 19: Overview Of Electrical Connections

    Electrical connections Overview of electrical connections Danger When connecting external switching contacts and on- Incorrect wiring can lead to serious injury from site components, observe the insulation requirements electrical current and result in appliance dam- of IEC/EN 60335-1. age. Take the following measures to prevent wires Please note drifting into the adjacent voltage area: Electronic assemblies can be damaged by elec-...
  • Page 20 Electrical connections Overview of electrical connections (cont.) Plug Component Single boiler system Multi boiler system One of the following temperature sensors: Temperature sensor cylinder loading sys- — ■ T2 return temperature sensor ■ External demand External demand KM-BUS subscribers External changeover, stepped/modulating burner External demand Additional external functions via EA1 extension:...

  • Page 21: Connecting The Network Module

    Electrical connections Overview of electrical connections (cont.) Plug Component Single boiler system Multi boiler system The following functions: aBÖ External safety equipment ■ Provisional burner operation ■ Safety chain (potential-free) Mains connection for accessories Connecting the network module Fig. 9 Network module and programming unit power cable...

  • Page 22: Connecting Sensors

    Electrical connections Connecting sensors Fig. 10 Connections on the low voltage PCB Plug Component Single boiler system Multi boiler system Boiler water temperature sensor § One of the following temperature sensors: Cylinder temperature sensor ■ — Top cylinder temperature sensor in a cyl- ■...

  • Page 23: Ciency Circulation Pumps

    Electrical connections Connecting pumps (cont.) Plug Component Single boiler system Multi boiler system One of the following circulation pumps: Shunt pump ■ Boiler circuit pump ■ Boiler circuit pump with butterfly valve ■ function Pumps 230 V~ Rated current: 4(2) A~ Fig.

  • Page 24: Connecting Actuators

    Electrical connections Connecting pumps (cont.) Pumps 400 V~ Rated current for switching the contactor: 4(2) A~ L1 L2 L3 N PE Fig. 14 Pump To the control unit Contactor Connecting actuators Connections on the 230 V~ PCB Plug Component Single boiler system Multi boiler system One of the following functions: Motorised butterfly valve...

  • Page 25: Connecting An Ac Burner

    Electrical connections Connecting a central fault message facility (cont.) Rated voltage 230 V~ Rated current Max. 4(2) A~ Fig. 16 Connecting an AC burner Pressure-jet oil/gas burner ■ The burner cables are included in the standard boiler Signal flow direction: delivery.

  • Page 26: Viessmann Matrix Burner For Vitocrossal

    Electrical connections Connecting an AC burner (cont.) Signal flow direction: Burner without plug Control unit burner Fit the mating plug from Viessmann or from the burner → Signal flow direction: manufacturer. Connect the burner cables. Burner control unit → Colour coding to IEC 60757:...

  • Page 27: Connecting A Three-Phase Burner

    Electrical connections Connecting a three-phase burner Potential-free safety chain Note A jumper from the external conductor to the control voltage in the burner may have to be removed. Always observe the burner manufacturer's details. Fig. 21 Control unit Base load/full load Main contactor (on site) Control unit power supply fÖ...

  • Page 28: Safety Chain Not Potential-Free

    Electrical connections Connecting a three-phase burner (cont.) Safety chain not potential-free Note A jumper from the external conductor to the control voltage in the burner may have to be removed. Always observe the burner manufacturer's details. Fig. 22 Control unit Base load/full load Main contactor (on site) Control unit power supply...

  • Page 29: Connecting The Modulating Burner, Single Boiler System

    Electrical connections Connecting the modulating burner, single boiler system Connection to low temperature boiler with on-site modulation controller Connect plug from the Vitotronic 100 to the ■ burner. ■ Plug from the Vitotronic 100 via the modulation lÖ controller (on site) to on the burner lÖ...

  • Page 30: Connecting The Modulating Burner, Multi Boiler System

    Electrical connections Connecting the modulating burner, single boiler… (cont.) T7T8 B4 S3 T2 T1 N Fig. 24 Plug to the control unit Increase burner output (modulation controller). Burner with base load ON Plug to the burner Reduce burner output (modulation controller). Colour coding to IEC 60757 BK Black BN Brown...

  • Page 31: Connection To Vitocrossal With On-Site Modulation Controller

    Electrical connections Connecting the modulating burner, multi boiler… (cont.) T1 T2 S3 B4 T6 T7 T8 Fig. 25 Plug to the control unit Reduce burner output (modulation controller). Boiler enable Increase burner output (modulation controller). Butterfly valve OPEN or CLOSE Plug to the burner Burner with base load ON Colour coding to IEC 60757...

  • Page 32: Connecting External Safety Equipment

    Electrical connections Connecting the modulating burner, multi boiler… (cont.) T7T8 B4 S3 T2 T1 N Fig. 26 Plug to the control unit Reduce burner output (modulation controller). Boiler enable Increase burner output (modulation controller). Butterfly valve OPEN or CLOSE Plug to the burner Burner with base load ON Colour coding to IEC 60757 BK Black...

  • Page 33: Provisional Burner Operation

    "ON/TR" – Making the LON connection The Viessmann LON is designed for "line" bus topol- The transfer distances for LON are subject to the elec- ogy with a terminator at both ends (accessories). trical properties of the relevant cable. For this reason, only use the specified cable types.

  • Page 34: Connection Examples

    Boiler and heating circuit control unit or Vitocontrol LON subscriber, e.g. heating circuit control unit Vitocom or Vitogate Terminator (2 pce) Integrated into Viessmann appliances with only one LON interface LON cable, 7 m long LON coupling LON plug-in connector (2 pce)

  • Page 35: Power Supply

    Electrical connections Power supply Isolators for non-earthed conductors Danger ■ The mains isolator or "Emergency stop" must simul- The absence of system component earthing can taneously isolate from the power supply all non- lead to serious injury from electric current if an earthed conductors with a minimum contact separa- electrical fault occurs.

  • Page 36: Control Unit Power Supply

    Electrical connections Power supply (cont.) Control unit power supply 1. Check whether the power cable to the control unit has appropriate fuse protection. 2. Connect the power cable in the junction box and at plug (on site). fÖ 3. Insert plug into the control unit.
  • Page 37 Electrical connections Power supply (cont.) 1. Check whether the power cable to the mains filter 4. Insert plug fÖ and plug of the mains filter unit unit has appropriate fuse protection. connecting cable into the appropriate control unit socket. 2. Connect the power cable in the junction box and at plug (on site).

  • Page 38: Overview Of External Functions

    External functions single boiler system — Overview of external functions Connections on the low voltage PCB Function Plug/contact Page External changeover, stepped / modulating burner External demand Connections at EA1 extension Function Plug/contact Page External demand DE1, DE2 or DE3 0 to 10 V input External blocking DE1, DE2 or DE3...

  • Page 39: External Blocking

    External functions single boiler system — External blocking Please note Live contacts lead to short circuits or phase fail- ure. The external connection must be potential- free. Function External blocking Control unit EA1 extension Connection DE1, DE2 or DE3 Floating contact EA1 extension Contact Closed...

  • Page 40: Boiler External Demand Via External Ea1 Extension

    External functions — single boiler system Connecting the external control unit (cont.) Boiler external demand via external EA1 extension Please note Live contacts lead to short circuits or phase fail- ure. The external connection must be potential- free. Function External demand Control unit EA1 extension Connection...

  • Page 41: External Demand Via Switching Contacts

    External functions — single boiler system Connecting the external control unit (cont.) External demand via switching contacts Please note Live contacts lead to short circuits or phase fail- ure. The external connection must be potential- free. Two-stage burner Function External demand, burner External demand, burner External load-dependent stage 1...

  • Page 42: Hooking Up On-Site Control Units Via Vitogate

    External functions — single boiler system Connecting the external control unit (cont.) Modulating burner Low temperature boiler Vitocrossal Function External burner start base load — Connection Plug Plug Floating contact Floating contact To the control unit To the control unit Contact Closed The burner is started with base load.
  • Page 43 External functions multi boiler system — Overview of external functions Connections on the low voltage PCB Function Plug/contact Page External changeover, stepped / modulating burner External demand Connections at EA1 extension Function Plug/contact Page External demand 0 to 10 V input ■...

  • Page 44: Connecting The External Control Unit

    External functions multi boiler system — Connecting the external control unit Settings Parameter in the "Boiler" group: ■ "02:1" for 2-stage burner – – "02:2" for modulating burner ■ Parameter in "General" group: – "01:3" for multi boiler system with on-site cascade control (third party control unit) "01:2"...
  • Page 45 External functions — multi boiler system Connecting the external control unit (cont.) Without an additional enable contact Function External demand Control unit EA1 extension Connection 0 to 10 V input Note Ensure galvanic separation between the earth conductor and the negative pole of the on- site power source.
  • Page 46 External functions — multi boiler system Connecting the external control unit (cont.) With an additional enable contact Function External demand Control unit EA1 extension Vitotronic control unit Connection 0 to 10 V input Note Ensure galvanic separation between the earth conductor and the negative pole of the on-site power source.

  • Page 47: External Demand Via Switching Contacts

    External functions — multi boiler system Connecting the external control unit (cont.) External demand via switching contacts Please note Live contacts lead to short circuits or phase fail- ure. The external connection must be potential- free. Two-stage burner Function External demand, burner External demand, burner Enable boiler, butterfly stage 1...
  • Page 48 External functions — multi boiler system Connecting the external control unit (cont.) Modulating burner: Low temperature boiler Function External burner start base load Enable boiler, butterfly valve — Connection Plug Plug Floating contact Floating contact To the control unit Plug of the control unit Contact Closed...

  • Page 49: Hooking Up On-Site Control Units Via Vitogate

    External functions — multi boiler system Connecting the external control unit (cont.) Function External burner start base load Enable boiler, butterfly valve — Contact Closed The burner is started with base load. The butterfly valve opens. ■ ■ An external modulation controller regu- ■...

  • Page 50: Commissioning Commissioning The System

    Commissioning Commissioning the system 1. Turn ON the system ON/OFF switch on the control 3. Only for multi boiler systems: unit. Tap "Application". The commissioning assistant starts automatically. Select "Boiler in the Cascade". Note 4. Use to confirm. When the appliance is initially started up, the dis- The "Commissioning"...

  • Page 51: Adjust Control Unit To 2-Stage Burner

    Connection at plug 20A1 54:... General Connection at plug 29 55:... General Connection at plug 52A1 98:... General Viessmann system number 9C:... General LON subscriber monitoring 0C:... Boiler Function butterfly valve Note For overview of all parameters: See from page 56 Adjust control unit to 2-stage burner 01.

  • Page 52: Matching The Control Unit To The Modulating Burner

    Commissioning Required parameters (cont.) Matching the control unit to the modulating burner Note 09. "Burner modulation" "CLOSE" The burner must be fully adjusted. To achieve a wide modulating range, set the minimum output as low as 10. Check the time it takes until the servomotor is at possible (take the chimney and flue system into minimum output.

  • Page 53: Integrating The Control Unit Into Lon

    Parameter "79:1" Control unit transmits the time. Device receives the time. Parameter "7B:1" Control unit transmits outside temperature. — Parameter "97:2" Viessmann system number. — Parameter "98:1" LON subscriber fault monitoring. — Parameter "9C:20" Carrying out the LON subscriber check The subscriber check is used to test communication 4.

  • Page 54: Testing The High Limit Safety Cut-Out

    Commissioning Integrating the control unit into LON (cont.) Successfully checked subscribers are indicated by ■ "Check OK". ■ Unsuccessfully checked subscribers are indicated by "Check not OK". to refresh the subscriber list in order to carry out another subscriber check. Testing the high limit safety cut-out The minimum circulation volume should be 10 % of the –...
  • Page 55 Commissioning Checking outputs (actuator test) (cont.) Display Explanation Solar circuit pump max. Connection at output at solar control module, type SM1: Solar circuit pump running at maximum speed SM1, output 22 Actuator at output at solar control module type SM1 EA1 extension, output 1 Contact "P - S"...

  • Page 56: Parameter Levels Parameter Levels

    Parameter levels Parameter levels There are 2 parameter levels: ■ Parameter level 1 The most frequently used parameters are listed here. These parameters are marked with Parameter level 2 ■ All parameters are included here, including those of parameter level 1. Calling up parameter levels ■...

  • Page 57: System Scheme

    Factory setting subject to the selected application: "Single boiler constant control" = "01:1" ■ "Boiler in the cascade" = "01:2" ■ Multi boiler system with Viessmann cas- 01:2 In conjunction with Vitogate 300 cade or LON cascade Multi boiler system with external cascade...

  • Page 58: B Set Flow Temperature For External Demand

    Parameter General (cont.) 0B Set flow temperature for external demand Display Value Explanations Limited by boiler-specific parameters 70 °C 0B:70 ... °C 0B:0 to 0B:127 14 Fault message module 1 Display Value Explanations Without 14:0 With 14:1 Recognised automatically. 15 Fault message module 2 Display Value Explanations...

  • Page 59: Reset Time, Low Loss Header/Buffer Cylinder

    Parameter General (cont.) 22 Reset time, low loss header/buffer cylinder Display Value Explanations Displayed only if parameter "20:1" has been set. Controller integral time for low loss header in s. Delivered condition specified by the coding card. The greater the reset time, the more accurate but slower the controller.

  • Page 60: Extension Am1

    Parameter General (cont.) 30 Extension AM1 Display Value Explanations Without 30:0 With 30:1 Recognised automatically. 31 Function, output A1 at extension AM1 Display Value Explanations Displayed only if parameter "30:1" has been set. Adjust if "Single boiler constant control" is used: "31:2"...

  • Page 61: At Am1 Extension

    Parameter General (cont.) 34 Run-on time for circulation pump, neutralising system at output 2 at AM1 extension Display Value Explanations Displayed only if parameter "30:1" has been set. ■ Requirement: Code/parameter "32:3" must be set. ■ None 34:0 ... s 34:0 to 34:255 40 Extension EA1...

  • Page 62: Function, Input De2 At Extension Ea1

    Parameter General (cont.) 43 Function, input DE2 at extension EA1 Display Value Explanations Displayed only if parameter "40:1" has been set. None 43:0 Operating program changeover 43:1 Do not adjust External demand with set flow temperature 43:2 External blocking 43:3 External blocking with fault message 43:4 External fault message...

  • Page 63: Sensor 17B

    Parameter General (cont.) 52 Sensor 17B Display Value Explanations Not installed 52:0 Available 52:1 Recognised automatically. 53 Connection at plug 20A1 Display Value Explanations Note Factory setting, according to coding card Heating circuit pump 53:0 Do not adjust Primary cylinder loading pump for heat ex- 53:1 changer set Therm-Control...

  • Page 64: Pump

    Parameter General (cont.) 57 Run-on time, shunt pump, boiler circuit pump or distribution pump Display Value Explanations Run-on time for circulation pump on plug Note Connection to distribution pump not possible 5 min 57:5 None 57:0 ... min 57:1 to 57:60 76 Communication module Display...

  • Page 65: Lon Communication Module: Fault Manager

    Parameter General (cont.) 79 LON communication module: Fault manager Display Value Explanations Displayed only if parameter "76:1" has been set. Note Only one control unit may be programmed as fault manager. Control unit is not fault manager 79:0 Control unit is fault manager 79:1 7B LON communication module: Time Display...

  • Page 66: Summer Time Starts: Week Of The Selected Month

    Parameter General (cont.) 83 Summer time starts: Week of the selected month Display Value Explanations Displayed only if parameter "81:1" has been set. First week 83:1 Second week 83:2 Third week 83:3 Fourth week 83:4 Last week in month 83:5 Last week 1 week 83:6...

  • Page 67: Winter Time Starts: Week Of The Selected Month

    93 Central fault message during emissions test function/service display Display Value Explanations Does not affect central fault 93:0 Does affect central fault 93:1 98 Viessmann system number Display Value Explanations Displayed only if parameter "76:1" has been set. Note Within one LON, the system number must always ■...

  • Page 68: C Lon Subscriber Monitoring

    Parameter General (cont.) 9C LON subscriber monitoring Display Value Explanations Displayed only if parameter "76:1" has been set. Note To prevent fault messages, we recommend settings greater than 5 minutes. No monitoring 9C:0 20 min 9C:20 LON subscriber monitoring If there is no response from a subscriber for 20 min, the values specified in the control unit are used.

  • Page 69: Burner Curve

    Parameter Boiler (cont.) 05 Burner curve Display Value Explanations Note Factory setting, according to coding card The burner curve varies depending on the type of burner. The burner curve shows the burner output (in %) in re- lation to the opening angle of the butterfly valve (in See chapter "Matching the control unit to the modulat- ing burner".

  • Page 70: A Burner Base Load

    Parameter Boiler (cont.) 0A Burner base load Display Value Explanations Note Factory settings, according to coding card ... % 0A:15 to Standard output adjustable from 15 to 100 % of max. 0A:100 rated heating output 0C Function butterfly valve Display Value Explanations Note...

  • Page 71: Minimum Burner Runtime

    Parameter Boiler (cont.) 14 Minimum burner runtime Display Value Explanations Note Factory settings, according to coding card ... min 14:0 to 14:15 15 Runtime servomotor mod. burner Display Value Explanations Note Factory settings, according to coding card ... s 15:5 to 15:199 16 Burner offset with start optimisation Display...

  • Page 72: F Flue Gas Temperature Sensor

    Parameter Boiler (cont.) 1C Signal B4 at plug 41 Display Value Explanations Burner start delay from the presence of the start sig- nal at T2 in plug until burner ignition Note Factory settings, according to coding card ... s 1C:1 to 1C:199 1F Flue gas temperature sensor Display...

  • Page 73: Burner Fuel Consumption (Stage 1)

    Parameter Boiler (cont.) 27 Burner fuel consumption (stage 1) Display Value Explanations 27:0 Never adjust 27:0 to 27:199 28 Burner interval ignition Display Value Explanations Without 28:0 No burner interval ignition With 28:1 29 Burner fuel consumption (stage 2) Display Value Explanations 29:0...

  • Page 74: D Shunt Pump

    Parameter Boiler (cont.) 2D Shunt pump Display Value Explanations Shunt pump ON only in case of demand 2D:0 Note Temperature for demand depends on coding card Constantly ON 2D:1 Domestic hot water Parameter values in bold are factory settings. 00 Tank heating Display Value Explanations...

  • Page 75: Set Flow Temperature For Cylinder Heating

    Parameter Domestic hot water (cont.) 05 Set flow temperature for cylinder heating Display Value Explanations Set system flow temperature 05:0 The set flow temperature is determined by the highest system flow temperature demand. Max. set system flow temperature for DHW 05:1 The set flow temperature is determined by the cylinder heating...

  • Page 76: C For Solar Dhw Heating: Dhw Temperature Target

    Parameter Domestic hot water (cont.) 0C For solar DHW heating: DHW temperature target Display Value Explanations Reheating is suppressed above the selected set tem- perature (DHW heating by the boiler only if solar en- ergy is insufficient). Note parameter "01" setting. 40 °C 0C:40 Set DHW temperature 40 °C...

  • Page 77: Solar

    Parameter Solar The "Solar" group is only displayed if a solar control module, type SM1, is connected. Parameter values in bold are factory settings. 00 Start temperature differential, solar circuit pump Display Value Explanations 00:8 ... K 00:2 to 00:30 01 Stop temperature differential, solar circuit pump Display Value...

  • Page 78: Max. Speed, Solar Circuit Pump

    None 0A:0 Stagnation time reduction not active 0A:5 ... K 0A:1 to 0A:40 0B Frost protection function for solar circuit Display Value Explanations 0B:0 0B:1 Not required in conjunction with Viessmann heat transfer medium...

  • Page 79: C Delta T Monitoring

    Unintentional flow rate in the solar circuit (e.g. at night) is captured. 0E Calculation of solar yield Display Value Explanations 0E:0 Calculation of solar yield with Viessmann 0E:1 heat transfer medium Calculation of solar yield with water as heat 0E:2 Do not adjust transfer medium 0F Flow rate, solar circuit at max.

  • Page 80: Minimum Collector Temperature

    Parameter Solar (cont.) 12 Minimum collector temperature Display Value Explanations None 12:0 Minimum temperature limit disabled 10 °C 12:10 Minimum start temperature for solar circuit pump 10 °C ... °C 12:1 to 12:90 20 Extended control function Display Value Explanations None 20:0 No extended control function enabled...

  • Page 81: Start Temperature For Thermostat Function

    Parameter Solar (cont.) 24 Start temperature for thermostat function Display Value Explanations Parameter "20:5" or "20:6" must be set. 40 °C 24:40 ... °C 24:0 to 24:100 25 Stop temperature for thermostat function Display Value Explanations Parameter "20:5" or "20:6" must be set. 50 °C 25:50 ...
  • Page 82 Diagnosis and service scans Calling up the service menu Tap the following buttons: 4. Select required menu. Note The menus listed in the table can be called up, subject 2. "Service" to system equipment level and control unit configura- tion. 3.

  • Page 83: Change Passwords

    3. Enter the password "viservice". Resetting all passwords to their factory settings Tap the following buttons: 5. "Change passwords" 1. Request the master password from the Viessmann 6. "Reset all passwords" Group Technical Service. 7. Enter master password. 8. Confirm with 3.

  • Page 84: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) 3. Enter the password "viservice". 6. Select required value or "All data". 4. "Diagnosis" 7. Confirm with 5. "Reset data" Brief scan In the brief scan, you can check software versions and 4. "Diagnosis" connected components, for example.

  • Page 85: Lon Service Pin

    Diagnosis and service scans Diagnosis (cont.) Software ver- Software ver- sion sion Extension for Extension for heating cir- heating cir- cuits 2 and 3 cuits 2 and 3 with mixer with mixer Software ver- sion, PM1 pump module LON service PIN The control unit sends a message to check the func- 3.

  • Page 86: Deactivating The Wifi Connection

    Diagnosis and service scans Enabling the service interface for Vitosoft… (cont.) 6. Confirm with Connection is established. Explanation of displays: Connection active No connection Deactivating the WiFi connection WiFi is automatically deactivated: ■ If no data transfer takes place for 30 minutes follow- ing connection to a WiFi enabled device.

  • Page 87: Acknowledging The Fault Display

    Troubleshooting Fault indicator symbol and "Fault" appear on the display if Explanation of fault messages: See chapter "Fault ■ a fault has occurred. messages". ■ If a message facility is connected, this is switched Acknowledging the fault display ■ Any connected message facility is switched off. flashes in the navigation area.

  • Page 88: Lead Break, Boiler Water Temperature Sensor

    Troubleshooting Fault messages (cont.) 38 Lead break, boiler water temperature sensor With DHW cylinder: Without DHW cylinder: ■ ■ Circulation pump for cylinder heating on, boiler is Boiler is regulated by the temperature controller. maintained at set cylinder temperature. Cause Measure Lead break, boiler water temperature sensor Check the boiler water temperature sensor: See chap-...

  • Page 89: Lead Break, Cylinder Temperature Sensor 1

    Troubleshooting Fault messages (cont.) Cause Measure Short circuit, buffer temperature sensor or low loss Sensor at connection ■ header temperature sensor Check the sensors: See chapter "Checking tempera- ■ ture sensors" 58 Lead break, cylinder temperature sensor 1 ■ Cylinder loading pump on: DHW temperature target = set flow temperature Priority control is cancelled.

  • Page 90: Lead Break, Temperature Sensor 17A

    Troubleshooting Fault messages (cont.) 68 Lead break, temperature sensor 17A Boiler with maximum temperature, no output reduction, mixing valve for return temperature control open towards the system Cause Measure Lead break, temperature sensor Check the temperature sensor: See chapter "Checking temperature sensors"...

  • Page 91: Short Circuit, Return Temperature Sensor, Collector

    Troubleshooting Fault messages (cont.) Cause Measure Short circuit, collector temperature sensor, Check sensor at the solar control unit (see separate in- connection of temperature sensor at solar control stallation and service instructions). & module, type SM1 or sensor at S1 of the Vitosolic 93 Short circuit, return temperature sensor, collector Control mode Cause...

  • Page 92: C Lead Break, Cylinder Temperature Sensor, Solar

    Troubleshooting Fault messages (cont.) Cause Measure Lead break, temperature sensor, Check sensor at the solar control unit (see separate in- connection at S3 of the Vitosolic stallation and service instructions). 9C Lead break, cylinder temperature sensor, solar No solar DHW heating Cause Measure Lead break, cylinder temperature sensor,...

  • Page 93: A3 Fault Message Module 2: Safety Equipment 4

    Troubleshooting Fault messages (cont.) Cause Measure Fault, safety equipment at "X2" of plug-in adaptor 2 for Check safety equipment, and reset if required. external safety equipment A3 Fault message module 2: Safety equipment 4 Boiler cools down. Cause Measure Fault, safety equipment at "X1" of plug-in adaptor 2 for Check safety equipment, and reset if required.

  • Page 94: B0 Short Circuit, Flue Gas Temperature Sensor

    Troubleshooting Fault messages (cont.) Cause Measure Configuration fault, butterfly valve: Parameter "0C:2", With butterfly valve: ■ "0C:3" or "0C:4" in the "Boiler" group is set and pa- Set parameter "55:0" in the "General" group. rameter "55:1" in the "General" group is set. Without butterfly valve: ■...

  • Page 95: Bf Incorrect Lon Communication Module

    Troubleshooting Fault messages (cont.) Cause Measure Flue gas temperature sensor disconnection Check the flue gas temperature sensor: See chapter ■ "Checking temperature sensors" Without flue gas temperature sensor: Set parameter ■ "1F:0" in the "Boiler" group. BF Incorrect LON communication module ■...

  • Page 96: Cb Fault Message Module 1, Input 4: Max. Pressure 2

    Troubleshooting Fault messages (cont.) Cause Measure Fault, maximum pressure limiter at "X3" of plug-in Check the system pressure. adaptor 1 for external safety equipment Resetting the maximum pressure limiter: See chapter "Plug-in adaptor for external safety equipment" CA Fault message module 1, input 3: Min. pressure or max. pressure 2 Boiler cools down.

  • Page 97: D2 Communication Error, Fault Message Module 2

    Troubleshooting Fault messages (cont.) D2 Communication error, fault message module 2 Control mode Cause Measure Communication error, plug-in adaptor 2 for external Checking the plug-in adaptor: See chapter "Plug-in ■ safety equipment adaptor for external safety equipment" Without plug-in adaptor: ■...

  • Page 98: Faults Without A Fault Display

    (Therm-Control sensor) Note The return temperature sensor can be used as a con- tact or immersion temperature sensor. Viessmann NTC 10 k (blue ID label) 1. Pull out corresponding plug. Ω 2. Check the sensor resistance and compare it to the curve.

  • Page 99: Checking The Fuses

    Troubleshooting Checking temperature sensors (cont.) Viessmann NTC 20 k (orange ID label) Ω Temperature in °C Fig. 36 1. Pull out plug 3. In the case of severe deviation, check sensor installation and replace the sensor if required. 2. Check the sensor resistance and compare it to the curve.

  • Page 100: Boiler Water Temperature Control

    Function description Boiler water temperature control Brief description The boiler water temperature is regulated by starting In conjunction with Therm-Control: ■ ■ and stopping the burner or through modulation. If the set temperature at the Therm-Control sensor is ■ The set boiler water temperature is determined from not reached, the set boiler water temperature is the following parameters: increased.

  • Page 101: Pump Or/And 3-Way Mixing Valve

    Function description Boiler water temperature control (cont.) 20 A1 sÖ sÖ close close close 2 ... n Fig. 37 Fig. 38 A1 Closing of mixers A1 Closing of mixers sÖ sÖ Contactor relay, part no. 7814 681 Contactor relay, part no. 7814 681 Downstream heating circuit controller, switching Downstream heating circuit controller, switching contact closed:...
  • Page 102 Function description Boiler water temperature control (cont.) Multi boiler systems with shunt pumps for every 20 A1 boiler ■ Temperature sensors T1 and T2 capture the return temperature at different test points. ■ The shunt pump is started via temperature sensor T2 if the factory-selected minimum return temperature (specified by the coding card) is not being achieved.

  • Page 103: Boiler Protection Function: Distribution Pump

    Function description Boiler water temperature control (cont.) Boiler protection function: Distribution pump For heating systems with remote substation Connection in heating systems without LON ■ 20 m). > ■ Conditions: Multi boiler system The heat transfer must be able to be reduced. ■...

  • Page 104: Dhw Heating Control (Cylinder Temperature Control)

    Function description DHW heating control (cylinder temperature control) Brief description The set boiler water temperature for DHW heating is ■ regulated to a constant value (cylinder temperature control). It operates by starting and stopping the cir- culation pump for cylinder heating. The switching differential is 2.5 K.

  • Page 105: Plug-In Adaptor For External Safety Equipment (Accessories)

    Function description DHW heating control (cylinder temperature… (cont.) The DHW cylinder goes cold (set value 2.5 K, adjust- The DHW cylinder is hot: – able via parameter "04"): ■ Set value +2.5 K ■ The set boiler water temperature is set 20 K higher than the set DHW temperature (adjustable via ■...

  • Page 106: Connecting 2 Plug-In Adaptors

    Function description Plug-in adaptor for external safety equipment… (cont.) 6 5 4 3 2 1 6 5 4 3 2 1 Fig. 42 Wiring chamber (lower section of the plug-in adap- Controlled external shutdown tor) Plug aBÖ External safety equipment Plug of the control unit aBÖ...

  • Page 107: Ea1 Extension (Accessories)

    Function description EA1 extension (accessories) Fig. 43 Digital input 1 Power supply fÖ Digital input 2 Power supply for additional accessories fÖ Digital input 3 Central fault message/feed pump/DHW circula- Fuse tion pump (potential-free) 10V 0 to 10 V input KM-BUS –...

  • Page 108: Output Abj

    Function description EA1 extension (accessories) (cont.) This function is activated via parameter "45:00". 1 V "No specification for boiler output" – 1 V "No specification for set boiler water tempera- ■ Single boiler system: The boiler runs in con- – ture"...

  • Page 109: Am1 Extension (Accessories)

    Function description AM1 extension (accessories) Fig. 44 Circulation pump A Power supply for additional accessories fÖ Circulation pump KM-BUS Power supply fÖ Functions One of the following circulation pumps can be connec- Select the output functions via the parameters on the ted to each of connections A1 and A2: boiler control unit.

  • Page 110: Connection And Wiring Diagram

    Connection and wiring diagrams Connection and wiring diagram Overview Fig. 45 A2 PCB, low voltage A7 Safety part with temperature controller and high A3 PCB 230 V~ limit safety cut-out A4 Network module A8 Programming unit A5 Coding card Electrical interfaces A6 LON communication module...
  • Page 111 Connection and wiring diagrams Connection and wiring diagram (cont.) PCB 230 V~ Fig. 46...

  • Page 112: Pcb, Low Voltage

    Connection and wiring diagrams Connection and wiring diagram (cont.) Primary cylinder loading pump for cylinder Central fault message facility sÖ gÖ loading system Motorised butterfly valve Circulation pump for flue gas/water heat Mixing valve for return temperature control exchanger Mixing valve, heat exchanger set Switching output for flow rate reduction Burner stage 2 lÖ...
  • Page 113 Connection and wiring diagrams Connection and wiring diagram (cont.) Boiler water temperature sensor Temperature sensor cylinder loading system § Cylinder temperature sensor T2 return temperature sensor Top cylinder temperature sensor in a cylinder CAN bus subscriber loading system External demand Cylinder temperature sensor (bottom) in a cylin- KM-BUS subscribers der loading system...
  • Page 114 Specification Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current 12 A~ Power consumption 16 W Protection class IP rating IP 20D to EN 60529; ensure through design/installation. Function type Type 1B to EN 60730-1 Permissible ambient temperature Operation 0 to +40 °C ■...

  • Page 115: Declaration Of Conformity

    Certificates Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the European directives and supplementary national requirements in terms of its design and operational characteristics. Using the serial number, the full Declaration of Con- formity can be found on the following website: www.viessmann.co.uk/eu-conformity...
  • Page 116 Keyword index Keyword index AC burner..............25 DHW heating............104 Actuators..............24 DHW heating control..........104 Adaptive cylinder heating......... 104 Diagnostics..............83 Additional function for increased DHW hygiene ..104 Appliance fuses, checking..........99 Electrical connections, overview........ 19 Extension Boiler water temperature control......100 – AM1...............109 Boiler water temperature sensor........
  • Page 117 Keyword index Keyword index (cont.) LON terminator............34 Repair.................98 Low water indicator........33, 105, 106 Return temperature sensor........98 Rotary switch plug-in adaptor........106 Mains filter unit............36 Mains isolator............. 35 Safety chain Matrix burner.............. 26 – Not potential-free.............28 Maximum pressure limiter........ 105, 106 –...
  • Page 120 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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