Viessmann Vitotronic 200 Installation And Service Instructions For Contractors
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Viessmann Vitotronic 200 Installation And Service Instructions For Contractors

Weather-compensated control unit
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VIESMANN
Installation and service instructions
for contractors
Vitotronic 200
Type CO1E
Weather-compensated control unit
For applicability, see the last page
VITOTRONIC 200
Please keep safe.
5798 603 GB
5/2017

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitotronic 200 Type CO1E Weather-compensated control unit For applicability, see the last page VITOTRONIC 200 Please keep safe. 5798 603 GB 5/2017...
  • Page 2 Hot surfaces can cause burns. Replace faulty components only with genuine ■ Before maintenance and service work, switch Viessmann spare parts. OFF the appliance and let it cool down. Never touch hot surfaces on the boiler, burner, ■ flue system or pipework.

  • Page 3: Safety Instructions

    For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system If you smell gas Condensate Danger...
  • Page 4 Connecting external safety equipment ..........31 Provisional burner operation ..............32 Connecting an AC burner ..............32 Pressure-jet oil/gas burner ..............32 ■ Viessmann matrix burner for Vitocrossal ..........33 ■ Connecting a three-phase burner ............35 Potential-free safety chain ..............35 ■...
  • Page 5 Index Index Example of a single boiler system with Vitotronic 200-H and Vitocom 44 ■ Carrying out the LON subscriber check ..........44 ■ Adjusting the heating curve ..............45 Adjusting the set room temperature ........... 45 ■ Changing the slope and level ............. 46 ■...
  • Page 6 93 Central fault message during emissions test function/service dis- ■ play ..................... 62 97 LON communication module: Outside temperature ...... 62 ■ 98 Viessmann system number ............62 ■ 9C LON subscriber monitoring ............62 ■ Boiler ...................... 63 02 Burner type ................
  • Page 7 Index Index 0C For solar DHW heating: DHW temperature target ....70 ■ 0D With 2 tank temperature sensors: Tank heating stop point ... 70 ■ 0E With 2 tank temperature sensors: Tank heating start point ... 70 ■ 0F Runtime, actuator, mixing valve, heat exchanger set, Vitotrans ■...
  • Page 8 Index Index 16 Mixer runtime ................. 82 ■ 17 System dynamics mixer ..............83 ■ 18 Minimum flow temperature limit, heating circuit ....... 83 ■ 19 Maximum flow temperature limit, heating circuit ...... 83 ■ 1B Room influence limit ..............83 ■...
  • Page 9 Index Index 58 Lead break, cylinder temperature sensor 1 ........95 ■ 59 Lead break, cylinder temperature sensor 2 ........96 ■ 5A Lead break, buffer temperature sensor ......... 96 ■ 60 Short circuit, temperature sensor 17A ........... 96 ■ 68 Lead break, temperature sensor 17A ..........
  • Page 10 ■ PCB, extension for heating circuits 2 and 3 with mixer ...... 127 ■ Parts lists Ordering parts ..................129 Vitotronic 200, type CO1E ..............130 12. Specification ........................132 13. Declaration of Conformity Declaration of conformity ............... 133 14. Keyword index...

  • Page 11: Disposal Of Packaging

    Do not dispose of component in domestic waste. Intended use The device is intended to control only Viessmann Any usage beyond this must be approved by the man- medium sized and industrial/commercial boilers with oil ufacturer in each individual case.

  • Page 12: Product Information

    Product information The Vitotronic 200, type CO1E control unit is designed Note for weather-compensated control of single boiler sys- The Vitotronic control unit can alternatively be config- tems.

  • Page 13: Installation Sequence

    Installation sequence Installing extension for heating circuits 2 and 3 (accessories) Note Extension connection for heating circuits 2 and 3: See chapter "Extension for heating circuits 2 & 3, connect- ing". Fig. 1 Installing the LON communication module (accessories) Parameters to be configured during initial start-up: See chapter "Connecting the control unit to the LON".

  • Page 14: Adjusting The High Limit Safety Cut-Out (If Required)

    Installation sequence Inserting the coding card (cont.) Fig. 3 Note Coding card to boiler assignment: See www.vitotronic.info Adjusting the high limit safety cut-out (if required) The high limit safety cut-out is supplied with a factory setting of 110 °C. Example: Conversion to 100 °C °C Fig.
  • Page 15 Installation sequence Changing the temperature controller setting (if… (cont.) Example: Conversion to 100 °C Please note Excessive DHW temperatures can damage the DHW cylinder. If the system is operated in conjunction with a DHW cylinder, ensure that the maximum permis- sible DHW temperature is not exceeded.
  • Page 16 Installation sequence Mounting control unit front Fig. 6 Opening the control unit Fig. 7...

  • Page 17: Inserting Cables And Applying Strain Relief

    Installation sequence 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 18 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. ■ Route LV leads <...

  • Page 19: Overview Of Electrical Connections

    Electrical connections Overview of electrical connections (cont.) Plug Component One of the following temperature sensors: Therm-Control temperature sensor ■ T1 return temperature sensor ■ One of the following temperature sensors: Temperature sensor cylinder loading system ■ T2 return temperature sensor ■...
  • Page 20 Electrical connections Overview of electrical connections (cont.) Plug Component The following functions: aBÖ External safety equipment ■ Provisional burner operation ■ Safety chain (potential-free) Mains connection for accessories Connecting extension for heating circuits 2 and 3 (accessories) Fig. 10...

  • Page 21: Connecting Sensors

    Electrical connections Connecting network module Fig. 11 Programming unit power cable LAN cable Establishing LAN connection Information on connecting and enabling the network module: See www.vitotronic.info Connecting sensors Fig. 12...

  • Page 22: Outside Temperature Sensor

    Electrical connections Connecting sensors (cont.) Connections on the low voltage PCB Plug Component Outside temperature sensor § Boiler water temperature sensor One of the following temperature sensors: Cylinder temperature sensor ■ Top cylinder temperature sensor in a cylinder loading system ■...
  • Page 23 Electrical connections Connecting pumps (cont.) Plug Component One of the following circulation pumps: Circulation pump for cylinder heating ■ Secondary cylinder loading pump for cylinder loading system ■ DHW circulation pump One of the following circulation pumps: Shunt pump ■ Boiler circuit pump ■...
  • Page 24 Electrical connections Connecting pumps (cont.) 230 V~ pumps with power consumption greater than 2 A or high efficiency circulation pumps Pumps with switching input Pumps without switching input N PE External N PE ON/OFF Fig. 14 Fig. 15 Pump To the control unit Pump Contactor Separate mains connection (observe manufactur-...
  • Page 25 Electrical connections Connecting pumps (cont.) Pumps in the underfloor heating circuit The common power consumption of both pumps must sÖ not exceed 2 A. Fig. 17 Control unit sÖ Primary heating circuit pump Temperature limiter Secondary heating circuit pump (for system separation) Temperature limiter for maximum temperature limiter (accessories) Electromechanical temperature limiter according to the liquid expansion principle...

  • Page 26: External Functions

    Electrical connections Connecting actuators Extension connections for heating circuits 2 and 3, each with mixer Plug Component M2/M3 Mixer motor Connections on the 230 V~ PCB Plug Component One of the following functions: Mixing valve for return temperature control ■ Mixing valve, heat exchanger set ■...

  • Page 27: External Operating Program Changeover

    Electrical connections External functions (cont.) Function Plug Page One of the following functions: External blocking ■ Mixer CLOSE ■ External changeover, stepped / modulating burner External demand Connections to EA1 extension Function Contact Page External operating program changeover DE1, DE2 or DE3 External blocking DE1, DE2 or DE3 External demand...
  • Page 28 Electrical connections External functions (cont.) External operating program changeover Preselected operating program Parameter Switched operating program (Contact open) (Contact closed) Central heating off / DHW "1F:0" in the "Heating cir- Continuous operation with reduced room heating off cuit..." group temperature / DHW heating off (Factory setting) Central heating off / DHW "1F:1"...
  • Page 29 Electrical connections External functions (cont.) External mixer CLOSE/mixer OPEN Please note Live contacts lead to short circuits or phase fail- ure. The external connection must be potential- free. External mixer CLOSE/mixer OPEN via switching contacts Function Mixer CLOSE Mixer OPEN Connection Plug Plug...
  • Page 30 Electrical connections External functions (cont.) Function External changeover, stepped / modulating burner Contact Closed Two-stage operation ■ Open Modulating operation ■ Parameter Set parameter "02:2" in the "Boiler" group. Note When calling up the burner version, the address for modulating appears even after an ex- ternal changeover (it is not rewritten).

  • Page 31: Connecting External Safety Equipment

    Electrical connections External functions (cont.) Function External demand Control unit Vitotronic control EA1 extension unit Contact Closed The boiler is started subject to load. 0 to 1 V No specification for set ■ boiler water temperature Open The boiler is in control mode. ■...

  • Page 32: Provisional Burner Operation

    Electrical connections Connecting external safety equipment (cont.) Note With multiple safety devices, the plug-in adaptor for external safety equipment (accessories) can also be connected: See chapter "Plug-in adaptor for external safety equipment" Provisional burner operation Connection at plug aBÖ Insert jumper "TR" "ON/TR"...
  • Page 33 Burner control unit → Burner without plug Plug equipment codes Fit the mating plug from Viessmann or from the burner STB Control unit high limit safety cut-out manufacturer. Connect the burner cable. Control unit temperature controller Burner fault signal Hours run meter...
  • Page 34 Electrical connections Connecting an AC burner (cont.) B4 S3 T2 T1 N T7T8 Fig. 26 Fig. 25 To the control unit To the control unit To the burner To the burner Terminal designations: Plug terminal designations T6, T8 Control chain burner stage 2 ON or modulation Phase via high limit safety cut-out to the burner controller Open T6, T7 Control chain burner stage 2 OFF or modula-...
  • Page 35 Electrical connections Connecting a three-phase burner Potential-free safety chain Note If there is a jumper from the external conductor to the control voltage in the burner, it may have to be removed. Always observe the burner manufacturer's details. Fig. 27 Control unit Base load/full load Main contactor (on site)

  • Page 36: Making The Lon Connection

    Burner fault message Safety chain (STB) Hours run meter stage 1 Making the LON connection The Viessmann LON is designed for "line" bus topol- Cable types (on site): ogy with a terminator at both ends (accessories). 2-core cable, CAT5, screened ■...

  • Page 37: Connection Variants

    Electrical connections Making the LON connection (cont.) All Viessmann appliances are connected with RJ45 Note connectors. The Viessmann LON always requires When connecting external switching contacts and on- cores "1" and "2" plus the screen. The cores are inter- site components, observe the insulation requirements changeable.

  • Page 38: Power Supply

    Electrical connections Making the LON connection (cont.) Connection with LON cable, on-site cable and LON socket 900 m Fig. 32 Installation spacing 900 m (with LON sock- ≤ ets) Control unit, Vitocom or Vitogate LON sockets LON cable, 7 m long On-site cable Terminator Up to 30 subscribers...
  • Page 39 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 40 Electrical connections Power supply (cont.) 1. Check whether the power cable to the mains filter 3. Insert plug fÖ into the mains filter unit. unit has appropriate fuse protection. 2. Connect the power cable in the junction box and at plug (on site).

  • Page 41: Commissioning The System

    General Connection on plug sÖ 54:... General Connection on plug 55:... General Connection on plug 98:... General Viessmann system number 9C:... General LON subscriber monitoring 0C:... Boiler Function butterfly valve Note For overview of all parameters: See from page 49...
  • Page 42 Commissioning Required parameters (cont.) Adjust control unit to 2-stage burner 01. Start the burner. 08. "Burner stage 1" 02. Tap the following buttons: 09. Determine the minimum burner output (base load) through the fuel consumption. Record the relevant value. 03. "Service" 10.
  • Page 43 In the same LON system, each subscriber number ■ ■ accessory. can only be allocated once. ■ Vitotronic 200-H: ■ Within one LON, the system number (parameter "98" The LON communication module (accessories) must in the "General" group) must always be the same. be plugged in.
  • Page 44 Commissioning Integrating the control unit into LON (cont.) Example of a single boiler system with Vitotronic 200-H and Vitocom Fig. 37 Single boiler control unit Vitotronic 200-H Vitocom or Vitogate All parameters in the table are listed in the "General" group.

  • Page 45: Adjusting The Heating Curve

    Commissioning Adjusting the heating curve The heating curves represent the relationship between Settings in the delivered condition: the outside temperature and the boiler water or flow ■ Slope = 1.4 temperature. ■ Level = 0 More simply: The lower the outside temperature, the higher the boiler water or flow temperature.

  • Page 46: Testing The High Limit Safety Cut-Out

    Commissioning Adjusting the heating curve (cont.) Standard set room temperature Reduced set room temperature 26 °C 14 °C 20 °C 3 °C B -20 Fig. 39 Adjusting the standard set room temperature Fig. 40 Adjustment of reduced set room temperature from 20 to 26 °C from 3 to 14 °C Boiler water temperature or flow temperature in °C...
  • Page 47 Commissioning Testing the high limit safety cut-out (cont.) – release. 4. Reset the high limit safety cut-out by pressing the reset button. 3. Wait until the boiler water temperature has dropped approx. 15 to 20 K below the selected safety tem- perature.
  • Page 48 Commissioning Checking outputs (actuator test) (cont.) Display Explanation AM1 extension, output 1 Actuator at output A1 AM1 extension, output 2 Actuator at output A2 Information regarding the mixer motor rotational direction ■ Flow temperature control/heating circuit control unit: The flow temperature must rise when the mixer opens.

  • Page 49: Parameter Levels

    Parameter levels Parameter levels There are 2 parameter levels: ■ Parameter level 1 The most frequently used parameters are listed here. Note Parameter level 1 parameters are indicated by Parameter level 2 ■ All parameters are included here, including those of parameter level 1.
  • Page 50 Parameter General Note Parameter values in bold are factory settings. 00 System scheme Display Value Explanations Heating circuit 1, without DHW heating 00:1 Heating circuit 1, with DHW heating, auto- 00:2 Recognised automatically. matic recognition Heating circuit 2 with mixer, without DHW 00:3 Set the value manually if no heating circuit without heating, automatic recognition...
  • Page 51 Parameter General (cont.) 07 Assigning external input mixer CLOSE to heating circuit Display Value Explanations None 07:0 Connection at terminals 2 and 3 in plug 143 inactive Mixer CLOSE, HC 1 07:1 Mixer CLOSE, HC 2 07:2 Mixer CLOSE, HC 1 and HC 2 07:3 Mixer CLOSE, HC 3 07:4...
  • Page 52 Parameter General (cont.) 0A Assigning external input mixer OPEN to heating circuit Display Value Explanations No function 0A:0 Connection at terminals 1 and 2 in plug 143 inactive Mixer OPEN M1 0A:1 External "mixer OPEN", heating circuit 1 with mixer Mixer OPEN M2 0A:2 External "mixer OPEN", heating circuit 2 with mixer...
  • Page 53 Parameter General (cont.) 14 Fault message module 1 Display Value Explanations Without 14:0 With 14:1 Recognised automatically. 15 Fault message module 2 Display Value Explanations Without 15:0 With 15:1 Recognised automatically. 16 Burner control unit connection Display Value Explanations Other 16:0 Never adjust KM-BUS...
  • Page 54 Parameter General (cont.) 22 Reset time, low loss header/buffer cylinder Display Value Explanations 600 s 22:60 Controller integral time for low loss header in s. Delivered condition specified by the coding card. The ... s 22:1 to greater the reset time, the more accurate but slower 22:199 the controller.
  • Page 55 Parameter General (cont.) 31 Function, output A1 at extension AM1 Display Value Explanations DHW circulation pump 31:0 Displayed only if parameter "30:1" has been set. Heating circuit pump, heating circuit without 31:1 mixer A1 (heating circuit 1) Circulation pump for cylinder heating 31:2 Neutralising system/flue gas heat exchang- 31:3...
  • Page 56 Parameter General (cont.) 41 Function, output 157 at extension EA1 Display Value Explanations Central fault message 41:0 Displayed only if parameter "40:1" has been set. Feed pump 41:1 DHW circulation pump 41:2 Heating circuit pump, HC 1 on low speed 41:3 Heating circuit pump, HC 2 on low speed 41:4...
  • Page 57 Parameter General (cont.) 45 EA1 extension demand Display Value Explanations Temperature demand 45:0 Displayed only if parameter "40:1" has been set. See chapter "Function description" Output demand 45:1 Output demand 45:2 46 Demand 0 to 10 V, EA1 extension Display Value Explanations Temperature demand 10 to 100 °C...
  • Page 58 Parameter General (cont.) 54 Connection at plug 29 Display Value Explanations Distribution pump 54:0 Do not adjust Shunt pump 54:1 Note Factory setting, according to coding card Boiler circuit pump 54:2 Boiler circuit pump with butterfly valve func- 54:3 tion 55 Connection at plug 52 Display Value...
  • Page 59 Adjustable from 1 to 99: 77:1 to 1 to 8 = boilers 77:8 77:9 9 = cascade 77:10 to 10 to 96 = Vitotronic 200-H 77:96 77:97 97 = Vitogate 300, type BN/MB 77:98 98 = Vitogate 200, type KNX 77:99...
  • Page 60 Parameter General (cont.) 7F Building type Display Value Explanations Apartment building. Holiday program and 7F:0 time program for DHW heating can be set separately. Detached house. One holiday program and 7F:1 one time program for DHW heating. 80 Fault messaging delay Display Value Explanations...
  • Page 61 Parameter General (cont.) 83 Summer time starts: Week of the selected month Display Value Explanations First week 83:1 Displayed only if parameter "81:1" has been set. 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 62 Displayed only if parameter "76:1" has been set. sor. Control unit receives outside temperature 97:1 via LON. Control unit transmits outside temperature 97:2 via LON. 98 Viessmann system number Display Value Explanations 98:1 Displayed only if parameter "76:1" has been set. Relevant system number 98:1 to...
  • Page 63 Parameter Boiler Note Parameter values in bold are factory settings. 02 Burner type Display Value Explanations Single stage burner 02:0 Two-stage burner 02:1 Modulating burner 02:2 03 Boiler protection, gas/oil operation Display Value Explanations Gas operation 03:0 Oil operation 03:1 Resetting to gas not possible.
  • Page 64 Parameter Boiler (cont.) 08 Maximum burner output in kW Display Value Explanations ≙ ... kW 08:0 to 1 step 1 kW 08:199 Note Factory setting, according to coding card 09 Maximum burner output in 100 kW Display Value Explanations ≙ ...
  • Page 65 Parameter Boiler (cont.) 13 Shutdown differential Display Value Explanations Without 13:0 Without shutdown differential ... K 13:2 to The burner shuts down when the set boiler water tem- 13:20 perature is exceeded. Shutdown differential adjustable from 2 to 20 K. Note Factory setting, according to coding card 14 Minimum burner runtime...
  • Page 66 Parameter Boiler (cont.) 1B Time from burner ignition to the start of control Display Value Explanations ... s 1B:0 to Regulation delay adjustable from 1 to 199 s. 1B:199 Note Factory setting, according to coding card 1C Signal B4 at plug 41 Display Value Explanations...
  • Page 67 Parameter Boiler (cont.) 26 Burner fuel consumption (stage 1) Display Value Explanations 26:0 Never adjust 26:0 to 26:99 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...
  • Page 68 Parameter Note Parameter values in bold are factory settings. 00 Tank heating Display Value Explanations Hysteresis 2.5 K 00:0 See chapter "Function description" ± Adaptive tank heating enabled 00:1 Tank temperature control with 2 tempera- 00:2 ture sensors Tank temperature control, tank loading sys- 00:3 01 Selection of set DHW temperature Display...
  • Page 69 Parameter (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 flow temperature demand.
  • Page 70 Parameter (cont.) 0B Input of the set DHW temperature Display Value Explanations At the programming unit of the control unit 0B:0 At the control unit and the remote control, 0B:1 heating circuit 1 At the control unit and the remote control, 0B:2 heating circuit 2 with mixer At the control unit and the remote control,...
  • Page 71 Parameter (cont.) 0F Runtime, actuator, mixing valve, heat exchanger set, Vitotrans 222 Display Value Explanations 75 s 0F:75 ... s 0F:10 to 0F:255 11 Runtime, primary cylinder loading pump, heat exchanger set Display Value Explanations 10 s 11:10 ... s 11:0 to Runtime for secondary cylinder loading pump for cyl- 11:30...
  • Page 72 Parameter (cont.) 16 DHW circulation pump in economy mode Display Value Explanations According to time program 16:0 DHW circulation pump ON during economy mode ac- cording to time program 16:1 DHW circulation pump OFF during economy mode Solar Note Parameter values in bold are factory settings. Note The "Solar"...
  • Page 73 Parameter Solar (cont.) 05 Min. speed, solar circuit pump Display Value Explanations 10 % 05:10 Min. speed of the solar circuit pump 10 % of max. speed ... % 05:2 to Minimum speed of the solar circuit pump adjustable 05:100 from 2 to 100 % 06 Max.
  • Page 74 (cont.) 0B Frost protection function for solar circuit Display Value Explanations 0B:0 0B:1 Not required for Viessmann heat transfer medium 0C Delta T monitoring Display Value Explanations 0C:0 0C:1 No flow rate captured in the solar circuit, or flow rate too low.
  • Page 75 Parameter Solar (cont.) 11 Set DHW temperature, solar Display Value Explanations 50 °C 11:50 Target temperature control switched on (parameter ■ "10:1"): Temperature at which the solar heated water is to be stratified into the DHW cylinder. If parameter "20:9" (heating of 2 DHW cylinders) is ■...
  • Page 76 Parameter Solar (cont.) 23 Stop temperature differential for central heating backup Display Value Explanations 23:4 Parameter "20:4" must be set..K 23:1 to Stop temperature differential adjustable from 1 to 29 K 23:29 24 Start temperature for thermostat function Display Value Explanations...

  • Page 77: Cylinder Priority Control

    Parameter Solar (cont.) 28 Cyclical pause time Display Value Explanations 3 min 28:3 After the set cyclical heating time for the DHW cylin- der without priority has expired, the rise in collector temperature is captured during the cyclical pause time..
  • Page 78 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 03 Temperature limits, frost protection function Display Value Explanations 2 °C 03:2 Outside temperature below 1 °C: Heating circuit pump Outside temperature above 3 °C: Heating circuit pump OFF Please note If a value below 1 °C is selected, pipes outside the thermal envelope of the building could freeze up.
  • Page 79 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 05 Heating limit: Economy function: Outside temperature Display Value Explanations See service instructions 05:5 Economy function, outside temperature: Heating cir- cuit pump OFF when the outside temperature (OT) is 1 K higher than the set room temperature (RT + 1 K >...
  • Page 80 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 08 Pump idle time Display Value Explanations With calculated pump idle time 08:7 Heating circuit pump OFF in case of set value modifi- cation by changing the operating mode to reduced op- eration Without 08:0...

  • Page 81: Start Optimisation

    Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 0E Economy function: Room temperature Display Value Explanations Without 0E:0 With remote control: No room temperature-dependent economy function With economy function: Heating circuit pump Heating circuit pump ON See service instructions 0E:1 + 5 K <...
  • Page 82 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 12 Learning start optimisation Display Value Explanations Without 12:0 With remote control and for the heating circuit, opera- tion with room temperature hook-up must be program- med: Without learning start optimisation With 12:1 13 Shutdown time optimisation...
  • Page 83 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 17 System dynamics mixer Display Value Explanations 17:1 For heating circuits with mixer only Controller responds too quickly (cycles between ■ 17:0 to OPEN and CLOSE): 17:3 Select a lower value. Controller responds too slowly (temperature is not ■...
  • Page 84 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 20 Extension EA1: Operating program changeover Display Value Explanations No operating program changeover 20:0 Displayed only if parameter "40:1" has been set. Operating program changeover via input 20:1 Operating program changeover via input 20:2 Operating program changeover via input 20:3...
  • Page 85 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) Diagram 3 23:3 Temperature time profile 3 (to ÖNORM) ϑ/°C Diagram 4 23:4 Temperature time profile 4 ϑ/°C Diagram 5 23:5 Temperature time profile 5 ϑ/°C Diagram 6 23:6 Temperature time profile 6 ϑ/°C Do not adjust 23:7 to...
  • Page 86 Parameter Heating circuit 1, heating circuit 2, heating… (cont.) 25 Outside temperature limit for cancelling reduced set room temperature Display Value Explanations 5 °C See chapter "Function description" – – Observe setting of parameter "03" in the "Heating cir- cuit..." group..

  • Page 87: Calling Up The Service Menu

    Diagnosis and service scans Calling up the service menu Tap the following buttons: 3. Enter "viservice" password. 4. Select the required menu section. 2. "Service" Service Menu Diagnosis General Heating circuit 1/2/3 Solar energy Brief scan Network module Reset data Actuator test System configuration Parameter level 1...

  • Page 88: Change Passwords

    3. Enter "viservice" password. 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 89 Diagnosis and service scans Diagnosis (cont.) 3. Enter "viservice" password. 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. 5.
  • Page 90 Diagnosis and service scans Diagnosis (cont.) Software ver- Software ver- sion, extension sion, extension for heating cir- for heating cir- cuits 2 and 3 cuits 2 and 3 with mixer with mixer Note The displays in fields 3 and 5 are identical. LON service PIN The control unit sends a message to check the func- 3.

  • Page 91: Service Display

    (cont.) 6. Confirm with Note Connection is established. If the WiFi connection is activated, the LAN connection is interrupted. Operation using the Viessmann app is Explanation of displays: not possible during this time. Connection active No connection Deactivating the WiFi connection WiFi is automatically deactivated: ■...

  • Page 92: Fault Messages

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

  • Page 93: Troubleshooting

    Troubleshooting Fault messages (cont.) Cause Measure Short circuit, outside temperature sensor Check outside temperature sensor: See chapter "Check temperature sensors" 18 Lead break, outside temperature sensor Regulates as if the outside temperature were 0 °C. Cause Measure Lead break, outside temperature sensor Check outside temperature sensor: See chapter "Check temperature sensors"...
  • Page 94 Troubleshooting Fault messages (cont.) 3B LAN system error Control mode ■ Operation via app not possible ■ Cause Measure Memory problems Switch the control unit OFF and ON again. ■ Server problems ■ 3C DHCP server not replying Control mode ■...
  • Page 95 Troubleshooting Fault messages (cont.) Cause Measure Lead break, flow temperature sensor, heating circuit 2 Check flow temperature sensor: See chapter "Check temperature sensors" 4C Lead break, flow temperature sensor, heating circuit 3 Mixer is being closed. Cause Measure Lead break, flow temperature sensor, heating circuit 3 Check flow temperature sensor: See chapter "Check temperature sensors"...
  • Page 96 Troubleshooting Fault messages (cont.) Cause Measure Lead break, cylinder temperature sensor 1 Check the cylinder temperature sensor: See chapter ■ "Checking temperature sensors" Without cylinder temperature sensor: Check parame- ■ ter "00" in the "General" group and adjust if necessa- 59 Lead break, cylinder temperature sensor 2 With cylinder loading system: Cylinder heating is started and stopped via cylinder...
  • Page 97 Troubleshooting Fault messages (cont.) 70 Short circuit, temperature sensor 17B Shunt pump constantly ON ■ With cylinder loading system: ■ Close 3-way mixing valve; no DHW heating Cause Measure Short circuit, temperature sensor Check the temperature sensor: See chapter "Checking temperature sensors"...
  • Page 98 Troubleshooting Fault messages (cont.) Cause Measure connection at S3 of the Vitosolic 94 Short circuit, cylinder temperature sensor, solar No solar DHW heating Cause Measure Short circuit, cylinder temperature sensor, Check sensor at the solar control unit (see separate in- connection of temperature sensor at solar control stallation and service instructions).
  • Page 99 Troubleshooting Fault messages (cont.) Cause Measure Lead break, cylinder temperature sensor, Check sensor at the solar control unit (see separate in- connection of temperature sensor at solar control stallation and service instructions). module or sensor at S2 of the Vitosolic 9E Delta T monitoring, solar control unit Control mode Cause...
  • Page 100 Troubleshooting Fault messages (cont.) Cause Measure Fault, safety equipment at "X1" of plug-in adaptor 2 for Check safety equipment, and reset if required. external safety equipment A7 Fault clock module in programming unit Control mode Cause Measure Fault, clock module programming unit Replace the programming unit.
  • Page 101 Troubleshooting Fault messages (cont.) Cause Measure Short circuit, flue gas temperature sensor Check the flue gas temperature sensor: See chapter "Checking temperature sensors" B1 Communication fault, programming unit Control mode Cause Measure Communication fault, programming unit Check connections; replace programming unit if neces- sary.
  • Page 102 Troubleshooting Fault messages (cont.) BC Communication error, remote control, HC 1 Control mode without remote control Cause Measure Communication error, Vitotrol/Vitocomfort remote con- Check connections, lead (see separate installation and trol, heating circuit 1 without mixer service instructions) and parameter "00" in the Heating circuit...
  • Page 103 Troubleshooting Fault messages (cont.) C1 External safety equipment on boiler Boiler cools down. Cause Measure External safety equipment on plug Check the connection and external safety equipment: aBÖ See chapter "Connecting external safety equipment" C2 Communication error, solar control unit Control mode Cause Measure...
  • Page 104 Troubleshooting Fault messages (cont.) CB Fault message module 1, input 4: Max. pressure 2 Boiler cools down. Cause Measure Fault in additional high limit safety cut-out or tempera- Check the system temperature. ture limiter at "X1" of plug-in adaptor 1 for external Resetting the high limit safety cut-out: See chapter safety equipment "Plug-in adaptor for external safety equipment"...
  • Page 105 Troubleshooting Fault messages (cont.) Cause Measure Communication error, EA1 extension Check the connections: See chapter "EA1 extension" ■ Without EA1 extension: ■ Set parameter "40:0" in the "General" group. D4 High limit safety cut-out, boiler Boiler cools down. Cause Measure The high limit safety cut-out or fuse F1 has blown.
  • Page 106 Troubleshooting Fault messages (cont.) DC Short circuit, room temperature sensor Vitotrol, HC 3 Control mode without room influence Cause Measure Short circuit, room temperature sensor, heating circuit 3 Check room temperature sensor: See chapter "Check temperature sensors" DD Lead break, room temperature sensor Vitotrol, HC 1 Control mode without room influence Cause Measure...

  • Page 107: Checking Temperature Sensors

    Note Installation and service instructions "Vitotrol 300" The room temperature sensor is connected at termi- nals 3 and 4 in the Vitotrol 300. 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 108: Checking The Fuses

    Troubleshooting Checking temperature sensors (cont.) Viessmann NTC 20 k (orange ID label) Ω Temperature in °C Fig. 44 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 109: Boiler Water Temperature Control

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

  • Page 110: Control Sequence

    The boiler water flow rate must be able to be reduced by at least 50 %. – Shunt pump sized to approx. 30 % of the total throughput Also affects the heating circuits of a Vitotronic 200-H ■ installed downstream. Function Temperature sensors T1 and T2 capture the return temperature at different test points.
  • Page 111 Function description Control of the heating circuits Brief description The control unit comprises control circuits for heating The flow temperature of the heating circuit without ■ ■ circuit 1 without mixer and heating circuits 2 and 3, mixer is equal to the boiler water temperature. each with mixer.
  • Page 112 Function description Control of the heating circuits (cont.) DHW temperature Screed drying Priority control ■ In conjunction with a heating circuit with mixer. ■ For drying screeds, always observe the information ■ With priority control: (Parameter "02:2" in the "Heat- provided by the screed manufacturer.
  • Page 113 Function description Control of the heating circuits (cont.) Flow temperature control System with only one heating circuit with mixer: ■ The boiler water temperature is regulated automati- cally to 8 K above the set flow temperature of the heating circuit with mixer. ■...
  • Page 114 Function description Control of the heating circuits (cont.) Example using the settings in the delivered condition Outside temperature in °C Fig. 48 Heating curve for operation at standard room tem- perature Heating curve for operation at reduced room tem- perature Reducing the heat-up time The value and duration for the additional raising of the boiler water temperature or set flow temperature can...
  • Page 115 Function description Control of the heating circuits (cont.) Example using the settings in the delivered condition Time Fig. 49 Start of operation at standard room temperature Set boiler water or flow temperature in accordance with the selected heating curve Set boiler water or flow temperature in accordance with parameter "FA": 50 °C + 20 % = 60 °C Duration of operation with higher boiler water or...
  • Page 116 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 117: Auxiliary Circuits

    Function description DHW heating control (cylinder temperature… (cont.) Parameter "0B" in the "DHW" group enables the set System with cylinder loading system value of the programming unit and/or remote controls to be assigned. The above functions also apply in conjunction with cyl- inder loading systems.
  • Page 118 Function description DHW heating control (cylinder temperature… (cont.) Cylinder heating will start early if a lot of hot water is The 3-way mixing valve opens and then regulates to ■ drawn off. Cylinder heating will terminate early if no hot the specified set value.
  • Page 119 Function description Plug-in adaptor for external safety equipment… (cont.) 6 5 4 3 2 1 6 5 4 3 2 1 Fig. 50 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 120 Function description EA1 extension (accessories) Fig. 51 DE1 Digital input 1 Power supply fÖ DE2 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 121 Function description EA1 extension (accessories) (cont.) Analogue input 0 10 V – The following functions can be assigned to the 0 to Output demand 10 V input via parameter "45" in the "General" group: ■ Temperature demand The 0 to 10 V hook-up provides a specified boiler out- ■...
  • Page 122 Function description AM1 extension (accessories) Fig. 52 A1 Circulation pump A Power supply for additional accessories fÖ A2 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 123: Connection And Wiring Diagrams

    Connection and wiring diagrams Connection and wiring diagram Overview Fig. 53 A1 PCB extension, heating circuits 2 and 3 with mixer A6 LON communication module 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...
  • Page 124 Connection and wiring diagrams Connection and wiring diagram (cont.) A9 Control unit enclosure Electrical interfaces PCB 230 V~ Fig. 54...
  • Page 125 Connection and wiring diagrams Connection and wiring diagram (cont.) Heating circuit pump for heating circuit 1 Power supply, 230 V/50 Hz sÖ fÖ without mixer Burner stage 1 Central fault message facility gÖ Primary cylinder loading pump for cylinder Mixing valve for return temperature control loading system Mixing valve, heat exchanger set Circulation pump for flue gas/water heat...
  • Page 126 Connection and wiring diagrams Connection and wiring diagram (cont.) PCB, low voltage Fig. 55 Outside temperature sensor CAN bus subscriber § Boiler water temperature sensor .2 External operating program changeover Cylinder temperature sensor Mixer OPEN Top cylinder temperature sensor in a cyl- .3 External blocking inder loading system Cylinder temperature sensor (bottom) in...
  • Page 127 Connection and wiring diagrams Connection and wiring diagram (cont.) PCB, extension for heating circuits 2 and 3 with mixer Fig. 56 Flow temperature sensors Heating circuit pumps sÖ Power supply fÖ Mixer motors K1-K6 Relay Electrical interfaces...
  • Page 128 Connection and wiring diagrams Connection and wiring diagram (cont.)

  • Page 129: Ordering Parts

    Parts lists Ordering parts The following details are required when ordering parts: ■ Serial no. (see type plate ■ Position number of the part (from this parts list)
  • Page 130 Parts lists Vitotronic 200, type CO1E 0004 0002 0001 0002 0005 0006 0003 0040 0044 0042 0045 0043 0041 0009 0010 0013 0014 0015 0012 0011 0016 0036 0017 0037 0033 0039 0018 0038 0034 0024 0019 0035 0026 0022...
  • Page 131 High limit safety cut-out 0037 Temperature controller 0038 ON/OFF switch, 2-pole 0039 , single pole 0040 Not installed 0041 Not installed 0042 Vitotronic 200, type CO1E installation and service instructions 0043 Vitotronic 200, type CO1E operating instructions 0044 Not installed 0045 Not installed...
  • Page 132 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 133: Declaration Of Conformity

    Declaration of Conformity Declaration of conformity Vitotronic 200, type CO1E We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the following directives and regulations: 2014/53/EU 2014/35/EU...
  • Page 134 Keyword index Keyword index AC burner..............32 Detached house............116 Actuators..............26 DHW circulation pump..........117 Adaptive cylinder heating......... 117 DHW heating............116 Additional function for increased DHW hygiene ..116 DHW heating control..........116 Apartment building........... 116 DHW temperature.............112 Appliance fuses, checking........108 Diagnostics..............88 Differential temperature..........
  • Page 135 Keyword index Keyword index (cont.) Provisional burner operation........32 Intended use...............11 Pumps Isolators..............38 – Available connections..........22 – Run-on..............117 – Underfloor heating circuit........25 LAN connection............21 – Connection variants..........37 Quick heat-up............111 – Control unit integration..........43 Quick setback............111 –...

  • Page 136: Keyword Index

    Vitosoft............... 90 Vitosolic..............117 Applicability Serial No.: 7641289 7641375 7749010 7749012 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...

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