Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual
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Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Weather-compensated, digital boiler and heating circuit control unit
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Installation and
service instructions
for heating engineers
Vitotronic 200
Type KW2
Weather−compensated, digital boiler and heating circuit control unit
See applicability on the last page.
VITOTRONIC 200
Please keep safe
5862 700 GB
2/2005

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Summary of Contents for Viessmann Vitotronic 200 KW2

  • Page 1 Installation and service instructions for heating engineers Vitotronic 200 Type KW2 Weather−compensated, digital boiler and heating circuit control unit See applicability on the last page. VITOTRONIC 200 Please keep safe 5862 700 GB 2/2005...

  • Page 2: Safety Instructions

    Safety instructions Safety instructions ¨ Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Regulations ¨ Danger Observe the following when working This symbol warns against the on this system H all legal instructions regarding the risk of injury.
  • Page 3 H When using gas as fuel, also close components and non−approved the main gas shut−off valve and modifications/conversion can safeguard against unauthorised compromise safety and may reopening. infringe our warranty conditions. For replacements, use only original spare parts from Viessmann or those which are approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index Heating system designs System versions 1 to 5 ......................Installation Summary of electrical connections .
  • Page 5 Index Index (cont.) Components Components from the parts list ..................Radio clock receiver .

  • Page 6: System Version 1

    Heating system designs System version 1 One direct connected heating circuit without mixer A Boiler with Vitotronic 200 Plug B DHW cylinder Outside temperature sensor C KM BUS user or § Boiler temperature sensor KM BUS distributor, (only with Cylinder temperature sensor sÖ...

  • Page 7: System Version 2

    Heating system designs System version 2 One mixer circuit A Boiler with Vitotronic 200 Return temperature sensor B DHW cylinder (accessory) C KM BUS user or sÖ M2 Heating circuit pump mixer KM BUS distributor, (only with circuit (accessory) several KM BUS users) Cylinder primary pump D Mixer circuit M2 (accessory)

  • Page 8: System Version 3

    Heating system designs System version 3 One direct connected heating circuit without mixer and one mixer circuit A Boiler with Vitotronic 200 Return temperature sensor B DHW cylinder (accessory) C KM BUS user or sÖ A1 Heating circuit pump KM BUS distributor, (only with (accessory) sÖ...

  • Page 9: Installation

    Installation Summary of electrical connections The illustration shows the bottom part of the control unit as viewed from the rear.
  • Page 10 Installation Summary of electrical connections (cont.) Plug 230 V~ Low voltage plug sÖ Heating circuit pump A1 ! Outside temperature sensor ? Flow temperature sensor (accessory) sÖ Heating circuit pump mixer (accessory) § Boiler temperature sensor circuit M2 (accessory) sA Cylinder primary pump % Cylinder temperature sensor aG Flue gas temperature sensor (accessory)

  • Page 11: Inserting Cables And Applying Strain Relief

    Installation Inserting cables and applying strain relief Note Blank off unnecessary knockouts in the lower part of the control unit with cable grommets (not cut out).

  • Page 12: Changing The High Limit Safety Cut−Out Setting

    Installation Changing the high limit safety cut−out setting (if required) Adjustment to 100 ºC (EGO) In the delivered condition, the high limit safety cut−out is set to 110 ºC. Note This setting change is irreversible. If adjusted to 100 ºC, do not set the control thermostat above 75 ºC. A Slotted screw...
  • Page 13 Installation Changing the high limit safety cut−out setting (cont.) Adjustment to 100 ºC (JUMO) In the delivered condition, the high limit safety cut−out is set to 110 ºC. Note If adjusted to 100 ºC, do not set the control thermostat above 75 ºC.

  • Page 14: Changing The Control Thermostat Setting

    Installation Changing the control thermostat setting (if required) Adjustment to 87ºC/95ºC The control thermostat is supplied with a factory setting of 75 ºC. Note Do not set the control thermostat above 75 ºC if the high limit safety cut−out has been adjusted to 100 ºC. 1.

  • Page 15: Inserting The Boiler Coding Card

    Installation Inserting the boiler coding card Only use the boiler coding card included with the boiler product documentation (also see table). Insert the boiler coding card through the cut−out in the cover into slot X7. Boiler Coding card Part no. Vitola 200, type VB2A and VX2A 7818 915 Vitolaplus 300...

  • Page 16: Sensor Connection

    Installation Sensor connection 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Mixer circuit A Flue gas temperature sensor E Flow temperature sensor B Boiler temperature sensor F Return temperature sensor C Cylinder temperature sensor D Outside temperature sensor...

  • Page 17: Pump Connection

    Installation Pump connection Available pump connections sÖ Heating circuit pump A1 and M2 sA Cylinder primary pump sK DHW circulation pump Pumps 230 V~ Pumps 400 V~ L1 L2 L3 N PE A Contactor B Three−phase pump Rated current: 4 (2) A~ For selecting the contactor: Recommended Rated voltage: 230 V~...

  • Page 18: External Connection To Plug X12

    Installation External connection to plug X12 Please note ’Live’ contacts lead to short circuits or phase failure. The external connections must be zero volt. External burner start (stage 1) Connect the zero volt contact. If the contact is closed, the first burner stage is started, and the boiler water temperature is regulated by the control thermostat.

  • Page 19: Burner Connection

    High limit safety cut−out of control unit Control thermostat Burner fault signal Hours run meter A To control unit B To burner Burner without plug Install the mating plug from Viessmann or from the burner manufacturer; connect the burner cable.
  • Page 20 Installation Burner connection (cont.) Two−stage/modulating burner extension The function extension is supplied with the boiler. Max. power consumption H Two−stage: 1 (0.5) A H Modulating: 0.1 (0.05) A Observe coding addresses 02, 10 to 13, 15 to 18, 1A, 26 and 29 (see overview). Terminal codes T6, T7, T8 Control chain Burner stage 2 or modulation...

  • Page 21: Mains Power Supply

    Installation Mains power supply Regulations Carry out the mains connection and all earthing measures (e.g. fault current circuit) to IEC 364, the requirements of your local electricity supplier, VDE regulations or all local and national regulations. The power supply to the control unit should be protected by a fuse with a max.

  • Page 22: Installing The Top Part Of The Control Unit

    Installation Installing the top part of the control unit...

  • Page 23: Opening The Control Unit

    Installation Opening the control unit...

  • Page 24: Commissioning

    Commissioning Controls and display elements Boiler temperature U T S P A Heating circuit selection L Information B Reduced room temperature M Basic settings C DHW temperature N Acknowledgment/confirmation D Standard room temperature O Adjusting values E Standby mode P Time programs F DHW only R Holiday program G Heating and DHW...

  • Page 25: Checking The Heating Circuit Allocation

    Commissioning Checking the heating circuit allocation H Check whether the label for heating H Press the corresponding key before circuit allocation has been affixed commencing all adjustments. to the corresponding field of the programming unit. Checking the high limit safety cut−out The Test key must be held down After the burner has been shut down during this test (position h).

  • Page 26: Matching Up Coding Addresses

    Commissioning Checking outputs (actuators) and sensors (cont.) The following relay outputs can be controlled subject to the system design: H Burner ON Burner stage 1 ON H Burner stage 1 + 2 ON Burner mod. open, Burner mod. neutral, Burner mod. closed, H Heating circuit pump ON LED selection key ! illuminates.

  • Page 27: Adjusting Heating Curves

    Commissioning Adjusting heating curves The heating curves illustrate the Settings in the delivered condition: H Slope n = 1.4 relationship between the outside H Level N = 0 temperature and the boiler water or the flow temperature. To put it simply: The lower the outside temperature, the higher the boiler water or flow...
  • Page 28 Commissioning Adjusting heating curves (cont.) Adjust the set room temperature (for each heating circuit separately) Standard room temperature: Reduced room temperature: Select the set day temperature with 1. Call up the set night temperature with E. the set value adjuster. The value will be automatically 2.
  • Page 29 Commissioning Adjusting heating curves (cont.) Changing the slope and level (for each heating circuit separately) 1. Call up slope with I, 3. Confirm the set value with d. value adjustable from 0.2 to 3.5 K; call up level with J, value adjustable from 13 to +40 K.

  • Page 30: Service Scans Service Level Summary

    Service scans Service level summary Function Key combination Exit Page Press d and a Adjusting the simultaneously; display contrast the display will darken Press d and b simultaneously; the display will get lighter Press K and d Press d Relay test simultaneously for approx.

  • Page 31: Temperatures, Boiler Coding Card And Brief Scans

    Service scans Temperatures, boiler coding card and brief scans 1. Press K and G simultaneously 3. Press d. for approx. 2 s. 2. Select the required scan with a or b. The following values can be scanned, subject to the actual equipment level: H Slope A1/M2 H Level A1/M2 H Adjusted outside temperature...
  • Page 32 Service scans Temperatures, boiler coding card and brief scans (cont.)

  • Page 33: Scanning Operating Conditions

    Service scans Scanning operating conditions 1. Press c. 3. Press c. 2. Select the required operating mode scan with a or b. The following operating conditions can be scanned subject to the actual equipment level: Heating circuits A1 and M2 H Holiday program with departure If a holiday program has been and return date...

  • Page 34: Scanning And Resetting The Maintenance Display

    Service scans Scanning and resetting the "Maintenance" display After the limits set up via coding addresses 1F , 21 and 23 (see page 85) have been reached, the programming unit display indicates the flashing Maintenance message, and the red fault indicator flashes. Note Set code 24:1 and then code 24:0, if maintenance is implemented before Maintenance is displayed;...
  • Page 35 Service scans Scanning and resetting the "Maintenance" display (cont.) After maintenance has been carried out 1. Reset code 24:1 (see page 85) to 3. If required: H Press K and G 24:0. The red fault indicator simultaneously for approx. 4 s. H Reset Flue gas temp.

  • Page 36: Troubleshooting

    Troubleshooting Faults which are displayed at the programming unit The red fault indicator flashes for all faults. Fault flashes in the programming unit display when a fault message is issued. Finding the fault 1. Press c. Fault 2. Any fault codes present may be ºC called up with a or b.
  • Page 37 Troubleshooting Faults which are displayed at the programming unit (cont.) Fault Cause Remedy System code characteristics Control mode Maintenance Carry out 0F is only displayed maintenance in the fault history Note Set code 24:0 after maintenance. Activates after 0ºC Short circuit Check outside outside temperature Outside temperature...
  • Page 38 Troubleshooting Faults which are displayed at the programming unit (cont.) Fault Cause Remedy System code characteristics Cylinder primary Short circuit Check cylinder pump ON: Cylinder temperature temperature sensor Set cylinder sensor (see page 59) temperature = set temperature = set Lead broken boiler temperature, Cylinder temperature...
  • Page 39 Troubleshooting Faults which are displayed at the programming unit (cont.) Fault Cause Remedy System code characteristics Control mode Fault Check solar control Only solar control Solar control unit; unit unit fault codes will displayed if a fault be displayed without fault code occurs at the solar control unit Control mode...
  • Page 40 Troubleshooting Faults which are displayed at the programming unit (cont.) Fault Cause Remedy System code characteristics Control mode Communication fault Check connections, bC c without remote Vitotrol remote cable and coding control control, address A0 heating circuit A1 Communication fault Check connections, bC d Vitotrol remote...
  • Page 41 Troubleshooting Faults which are displayed at the programming unit (cont.) Fault Cause Remedy System code characteristics Heating circuit pump Check coding address Control mode incorrectly encoded E5 and heating circuit pump DIP switch settings Active fault message Check device input at control connected to fault module V message input...

  • Page 42: Downloading Fault Codes From The Fault Memory (Fault History)

    Troubleshooting Downloading fault codes from the fault memory (fault history) 1. Press G and d simultaneously The last 10 faults are saved and may be called up. for approx. 2 s. Faults are sorted by date. The most recent fault has fault number 1. 2.

  • Page 43: Faults Which Are Not Displayed At The Programming Unit

    Troubleshooting Faults which are not displayed at the programming unit Boiler cold, burner does not start Set the emissions test switch to h H Pumps are not running → Check the supply voltage (mains electrical isolator, mains supply cable, plug fÖ, mains ON/OFF switch, fuse F1, T6.3 A and F2, T4 A). Fuse F1 or F2 faulty: 1.
  • Page 44 Troubleshooting Faults which are not displayed at the programming unit (cont.) Boiler water temperature too high or too low Compare the actual with the set boiler water temperature H Set value too high or too low → Check the settings of the time switch, the heating curves and the coding addresses.
  • Page 45 Troubleshooting Faults which are not displayed at the programming unit (cont.) Boiler hot enough, but the heating circuit pumps will not run Set the emissions test switch to h H Pumps are running → No pump control: Check heating curves, set values and heating circuit pump logic, possibly also external hook−up (control module V, solid fuel boiler, etc.) or high DHW demand.

  • Page 46: Function Description

    Function description Boiler temperature control Brief description The boiler water temperature is applied, which lies 20 K above the regulated by starting and shutting set DHW cylinder value (adjustable down the burner. via coding address 60). The boiler In the delivered condition, the water temperature is limited by switching differential is ±2 K, relative control thermostat TR.
  • Page 47 Function description Boiler temperature control (cont.) Auxiliary circuits H Two−stage/modulating burner: An extension can be connected for controlling a two−stage/modulating burner. H External hook−up (reports) via control module V, (see page 75). H Function extension 0−10 V (see page 78). H X12 plug for external burner ON control (see page 18).

  • Page 48: Heating Circuit Control

    Function description Heating circuit control Brief description The control unit provides control The mixer motor control changes the circuits for one heating circuit actuating and pause times subject to without mixer and one mixer circuit. the control differential (control The set flow temperature of every deviation).
  • Page 49 Function description Heating circuit control (cont.) Domestic hot water temperature Quick heat−up: H With priority control: Only possible for weather− The set flow temperature will be compensated mode with room set to 0 ºC whilst the cylinder is temperature hook−up. being heated up.
  • Page 50 Function description Heating circuit control (cont.) Extended economy circuit Underfloor heating The heating circuit pump is switched in conjunction with the mixer circuit OFF if: H the outside temperature exceeds An additional return temperature the value selected via coding sensor can be connected to achieve address A6 an optimum underfloor heating H the set room temperature is...
  • Page 51 Function description Heating circuit control (cont.) Flow temperature control Differential temperature: The differential temperature may be adjusted via coding address 05. As delivered condition: 8K. The boiler water temperature should be higher than the currently required flow temperature of the mixer circuit by a minimum value, called the differential temperature.
  • Page 52 Function description Heating circuit control (cont.) Upper control limit Temperature limiter for underfloor Electronic maximum limit heating: Setting range: 1 to 127 ºC The temperature limiter switches the Changes via coding address C6. heating circuit pump OFF , if the set value has been exceeded.

  • Page 53: Cylinder Temperature Control

    Function description Cylinder temperature control Brief description The cylinder thermostat operates Coding addresses which influence with a constant temperature. It is the the cylinder thermostat result of starting and stopping the 54, 55, 56, 58 to 62, 64, 66, 67, cylinder primary pump.
  • Page 54 Function description Cylinder temperature control (cont.) Priority control Set DHW temperature H With priority control: The set DHW temperature can be adjusted between 10 and 60 ºC. The (code A2:2): set range can be expanded to 95 ºC During cylinder heating, the set flow temperature will be set to via coding address 56.
  • Page 55 Function description Cylinder temperature control (cont.) Control sequence Pump run−on The DHW cylinder is hot H The cylinder primary pump runs on (set value +2.5 K) after cylinder heating, until The set boiler water temperature is the difference between the boiler returned to the weather−...

  • Page 56: Components

    Components Components from the parts list For parts list, see page 105. Main PCB Optolink/emissions test switch PCB The main PCB comprises: H Relay for selecting pumps, the The PCB comprises: H Burner standby display mixer motor and the burner H Sockets for sensor connection H Fault display H Sockets for the mains power...

  • Page 57: Test Button

    Components Components from the parts list (cont.) Test button High limit safety cut−out H Type STB 56.10525.570, EGO, For testing the high limit safety cut−out. DIN STB 10602000 For a description, see page 25. EM 80 V−TK/b7 1 60002843, JUMO, DIN STB 82699 Programming unit Type 602031, JUMO, Setting the:...
  • Page 58 Components Components from the parts list (cont.) Control thermostat Burner connecting cables H Type TR 55.18015.050, EGO, For pressure−jet oil/gas burners, DIN TR 110302 connection see page 19. EM 1/b1; 60002847, JUMO, Extension for a two−stage/modulating DIN TR 77703 burner, part no. 7404 960; for connection, see page 20.
  • Page 59 Components Components from the parts list (cont.) Boiler temperature sensor and cylinder temperature sensor Connection See page 16. Checking sensor 1. Pull plug § or %. 2. Check the sensor resistance at terminals 1 and 2 of the plug. 3. Compare the measurement with the actual temperature (for scanning, see page 31).

  • Page 60: Outside Temperature Sensor

    Components Components from the parts list (cont.) Outside temperature sensor Connection See page 16. Checking the outside temperature sensor 1. Pull plug !. 2. Check the sensor resistance at terminals 1 and 2 of the plug. 3. Disconnect cores from the sensor, if actual values deviate severely from the curve, repeat the sensor test and compare the results with...

  • Page 61: Radio Clock Receiver

    Components Radio clock receiver, part no. 7450 563 The radio clock receiver provides fully automatic time setting for the control unit and remote control unit (if connected). A Outside temperature sensor D Red LED B Radio clock receiver E Aerial C Green LED Connection Specification...

  • Page 62: Flue Gas Temperature Sensor

    Components Flue gas temperature sensor, part no. 7450 630 Connection The sensor is plugged into socket 15 at the control unit. Checking the flue gas temperature sensor 1. Pull plug aG. 1020 2. Check the sensor resistance at terminals 1 and 2 of the plug. 3.

  • Page 63: Mixer Circuit Extension Kit

    Components Mixer circuit extension kit, part no. 7450 650 Comprising a flow temperature sensor as contact sensor for detecting the flow temperature and a mixer motor with a 4.2 m long connecting cable as well as a plug for connecting the heating circuit pump. Contact temperature sensor, part no.
  • Page 64 Components Extension kit for mixer circuit (cont.) Mixer motor, part no. 7450 657 A Plug in the mixer motor Y Mixer open B Mixer close Checking the direction of rotation Specification When carrying out a relay test of the Rated voltage: 230 V~ control unit, the mixer is set to open Rated frequency:...
  • Page 65 Components Extension kit for mixer circuit (cont.) Changing the rotational direction For the installation examples in the table and for systems with Modular−Divicon, reverse direction of rotation. Remove the cover and reinsert 3−pole plug A turned by 180º (see Fig. on page 64).

  • Page 66: Temperature Limiter

    Components Temperature limiter for maximum temperature limiting Immersion thermostat, part no. 7151 728 Contact thermostat, part no. 7151 729 Electromechanical temperature limiter according to the liquid expansion principle. Switches the heating circuit pump OFF , when the set value has been exceeded.

  • Page 67: Remote Control

    Components Remote control Vitotrol 200, part no. 7450 017 (with integral room temperature sensor for room temperature hook−up in conjunction with a mixer circuit) Settings: H Day temperature H Heating program H Economy and party mode Function changes can be made via coding addresses A0, b0 to b9, C0 to C2, C8, E1 and E2 and F2 (see overview).
  • Page 68 Components Remote control (cont.) Remote control DIP switch affects setting Heating circuit As delivered without mixer condition (Heating circuit selection key !) 1 2 3 4 Mixer circuit M2 (Heating circuit selection key ?) 1 2 3 4 1 2 3 4 C PCB DIP switches When connecting a separate room (back of the casing top)
  • Page 69 Components Remote control (cont.) Vitotrol 300, part no. 7179 060 (with integral room temperature sensor for room temperature hook−up in conjunction with a mixer circuit) Settings: H Day and night temperature H Holiday program H Domestic hot water temperature H Switching times H Heating program H Economy and party mode Function changes can be made via coding addresses A0, b0 to b9, C0 to C2,...
  • Page 70 Components Remote control (cont.) Remote control DIP switch affects setting 3 2 1 Heating circuit As delivered int. ext. without mixer condition (Heating circuit selection key !) A PCB DIP switches Mixer circuit M2 (Heating circuit (back of the casing top) selection key ?) When connecting a separate room temperature sensor, set DIP switch...
  • Page 71 Components Remote control (cont.) Connecting several remote control units When you connect several remote control units to the control unit, use the KM BUS distributor, part no. 7415 028, which is available as accessory, or use a socket (on−site provision). Version 1 max.
  • Page 72 Components Remote control (cont.) Version 2 max. 15 m max. 15 m A To control unit D Vitotrol 2 B Socket (on site) E Further KM BUS users C Vitotrol 1 H If several remote control units and H The total length of all KM BUS additional KM BUS users are cables must be limited to 50 m.

  • Page 73: Room Temperature Sensor

    Components Room temperature sensor, part no. 7408 012 The room temperature sensor measures the actual room temperature, if the remote control unit cannot be installed in a suitable location. A Remote control B To the control unit C Room temperature sensor Connection Two−core cable with a maximum length of 35 m and a cross−section of...
  • Page 74 Components Room temperature sensor, part no. 7408 012 (cont.) Checking room temperature sensor 1. Disconnect the wires from the sensor. 2. Check the sensor resistance at terminals 9 and 13b. 3. Compare the measurement with the actual temperature (for scanning, see page 31). Check the installation and replace sensor, if necessary, in case of severe deviation.

  • Page 75: Control Module V

    Components Control module V, part no. 7143 513 Control module V for functional expansion of the control unit. Observe the coding addresses 32, 33 and 74 (see overview). The control unit automatically recognises control module V (code 94:2). A Control module V terminal box DE2 External heating program B To the control unit change for mixer circuit...

  • Page 76: Km Bus Distributor

    Components KM BUS distributor, part no. 7415 028 The connection between the control unit and the remote control, the remote monitoring equipment and control module V is provided by the KM BUS distributor. 6 5 4 3 2 1 A KM BUS distributor terminal box C KM BUS user connections B Terminals for the connection (sockets X2 to X7)

  • Page 77: Vitoair Draught Stabiliser

    Components Vitoair draught stabiliser, part no. 7338 725 and 7339 703 A To the burner Colour coding to DIN IEC 60 757 B To the control unit black GN/YE green/yellow Function check H Burner OFF → Press the motor rotary selector and turn to the central position.

  • Page 78: Function Extension 0−10 V

    Components Function extension 0−10 V, part no. 7174 718 To default an additional set system value via a 0−10 V input in the range 10 to 100 ºC or 30 to 120 ºC. To signal reduced mode and to regulate the heating circuit pump to a lower speed.

  • Page 79: Coding

    Coding Resetting codes to the delivered condition Note Heating curves slope and level values are also returned to their as delivered condition. Therefore, note the values so that they can be reset. 1. Press L and G simultaneously for approx. 2 s. 2.
  • Page 80 Coding Code 1 (cont.) Summary Coding in the delivered condition Possible change System design 00 : 1 System version 1: 00 : 2 System version 1: 1 heating circuit without 1 heating circuit without mixer A1, without DHW mixer A1, heating with DHW heating 00 : 3...
  • Page 81 Coding Code 1 (cont.) Coding in the delivered condition Possible change Summer funct. A1 A5 : 5 With heating circuit pump A5 : 0 Without heating circuit logic function pump logic function Slope A1 d3 : 14 Do not adjust Level A1 d4 : 0 Do not adjust...

  • Page 82: Code 2

    Coding Code 2 The summary from page 83 lists all possible coding addresses. The control unit display only shows those coding addresses which may be adjusted in accordance with the relevant system version and equipment level. The coding addresses are grouped in accordance with the adjacent System design diagram.

  • Page 83: Overall Summary

    Coding Code 2 (cont.) Overall summary Coding in the delivered condition Possible change System design (see page 80) Boiler/burner 02 : Operation with 02 : Operation with two−stage single−stage burner burner 02 : Operation with modulating burner 03 : Do not adjust 04 : Switching hysteresis 4 K Heat demand−dependent...
  • Page 84 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler/burner (two−stage) (cont.) 12 : 20 Switch−off delay 12 : Shutdown delay for (integral) = 2 560 Ks blocking stage 1 (to stage 12 : 199 2) adjustable from 0 to 25 472 Ks 1 setting step ¢...
  • Page 85 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler/burner (cont.) 1F : 0 With flue gas temperature sensor: The flue gas temperature Maintenance will be displayed, is not monitored if the adjustable flue gas 1F : 500 temperature limit (from 1 to 500 ºC) has been exceeded 21 :...
  • Page 86 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler/burner (cont.) 33 : With control module V: During external burner 33 : All pumps OFF , demand, pumps and mixer mixer closed remain in control mode General 54 : Without solar control unit 54 : With Vitosolic 100;...
  • Page 87 Coding Code 2 (cont.) Coding in the delivered condition Possible change DHW (cont.) 61 : Cylinder primary pump will 61 : The cylinder primary pump be switched ON subject to starts immediately boiler temperature 62 : 10 Cylinder primary pump will 62 : Cylinder primary pump run on up to max.
  • Page 88 Coding Code 2 (cont.) Coding in the delivered condition Possible change DHW (cont.) 70 : DHW circulation pump ON 70 : DHW circulation pump according to time program output only subject to time when DHW heating is program enabled 71 : DHW circulation pump: ON according to time 71 :...
  • Page 89 Coding Code 2 (cont.) Coding in the delivered condition Possible change General 7F : Detached house 7F : Apartment block Separate settings for holiday and time programs are possible for DHW heating (see page 53) for every heating circuit 80 : A fault message is 80 : Immediate fault message...
  • Page 90 Coding Code 2 (cont.) Coding in the delivered condition Possible change General (cont.) 86 : Winter starts: last week of month 86 : Week 1 86 : Week 5 87 : Winter starts: last day of the week 87 : Monday (Sunday) 87 :...
  • Page 91 Coding Code 2 (cont.) Coding in the delivered condition Possible change General (cont.) 93 : With control module V: Emissions test function and 93 : Emissions test function and service indication do not service indication do affect affect central fault central fault messages messages 94 :...
  • Page 92 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit (cont.) A3 : Outside temperature below Heating circuit pump 1 ºC: ON at OFF at 10 ºC 8 ºC Heating circuit pump ON A3 : 9 19 ºC 7 ºC Outside temperature above...
  • Page 93 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit (cont.) A5 : With heating circuit pump A5 : Without heating circuit logic function (economy pump logic function circuit): With heating circuit pump Heating circuit pump OFF , if logic function: the outside temperature Heating circuit pump OFF , if...
  • Page 94 Coding Code 2 (cont.) Coding in the delivered condition Possible change Mixer circuit A7 : 0 Without mixer economy A7 : With mixer economy function function (extended heating circuit pump logic): Heating circuit pump also OFF , if the mixer was closed longer than 12 minutes.
  • Page 95 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit (cont.) b1 : Do not adjust b2 : 8 With remote control unit and for the heating circuit, operation with room temperature hook−up must be encoded: b2 : Excluding room influence Room influencing factor 8 b2 :...
  • Page 96 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit (cont.) b7 : 0 With remote control unit and for the heating circuit, operation with room temperature hook−up must be encoded: Without start−up time b7 : With start−up time optimisation optimisation (max.
  • Page 97 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit (cont.) C2 : With remote control: Without learning shutdown C2 : With learning shutdown time optimisation time optimisation Mixer circuit C4 : System dynamics mixer C4 : Controller responds too control characteristics quickly (cycles between...
  • Page 98 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit C8 : 31 With remote control unit and for the heating circuit, operation with room temperature hook−up must be encoded: Without limiting room C8 : Room influence limit influence adjustable from 1 to 30 K C8 : 30...
  • Page 99 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit (cont.) E2 : 50 With remote control unit and for the heating circuit, heating with room temperature hook−up must be encoded: No display correction of the E2 : Display correction actual room temperature...
  • Page 100 Coding Code 2 (cont.) Coding in the delivered condition Possible change Mixer circuit F1 : Screed drying function F1 : Screed drying function inactive adjustable in accordance F1 : with four optional temperature−time profiles (see page 102) Note Observe the screed drying supplier’s instructions.
  • Page 101 Coding Code 2 (cont.) Coding in the delivered condition Possible change Boiler circuit/mixer circuit F2 : No time limit for party F2 : Time limit for party mode mode adjustable from 1 to 12 h F2 : 12 F8 : For operation in reduced F8 : +10 Temperature limit for...

  • Page 102: Screed Drying Function Diagrams

    Coding Screed drying function diagrams Temperature time profile 1 (F1 : 1) Days Temperature time profile 2 (F1 : 2) Days Temperature time profile 3 (F1 : 3) Days Temperature time profile 4 (F1 : 4) Days...

  • Page 103: Burner Switching Hysteresis

    Coding Burner switching hysteresis Switching hysteresis 4 K (04:0) Time −2 lower average higher heat demand heat demand heat demand Heat demand−dependent switching hysteresis ERB50 function (04:1) Subject to heat demand, values between 6 and 12 K (Kelvin) result. Time −3 lower average...
  • Page 104 Coding...

  • Page 105: Parts List

    Parts list Parts list When ordering spare parts 041 Flow temperature sensor with plug ? Quote the part and serial no. (see type plate A) and the item no. of the 042 Boiler temperature sensor with plug § required part (as per this parts list). Obtain common parts from your 043 Cylinder temperature sensor with plug %...
  • Page 106 Parts list Parts list (cont.)
  • Page 107 Parts list Parts list (cont.)

  • Page 108: Connection And Wiring Diagram

    Connection and wiring diagram Connection and wiring diagram...
  • Page 109 Connection and wiring diagram Connection and wiring diagram (cont.) Main PCB Plug 230 V~ sÖ Power supply unit PCB Heating circuit pump Supplementary PCB (accessory) PCB heating circuit selection Cylinder primary pump keys (accessory) Programming unit DHW circulation pump Boiler coding card (on site) fÖ...

  • Page 110: Specification

    Specification Specification Rated voltage: 230 V~ Rated capacity of relay outputs at Rated 230 V~ for H Heating circuit frequency: 50 Hz pumps sÖ: Rated current: 6 A ~ 4 (2) A~ H Cylinder storage Power system sA: consumption: 4 (2) A~ H DHW circulation Safety class: pump sK:...

  • Page 111: Settings And Equipment

    Settings and equipment Settings and equipment Tick the adjusted function. Function in the delivered condition Modified function High limit safety cut−out E set to j Changed to ºC ..... 110 ºC Control thermostat R set to 75 ºC j Changed to ºC .....
  • Page 112 Settings and equipment Settings and equipment (cont.) Function in the delivered condition Modified function Heating circuit pumps j Heating circuit pump for heating In the Heating and DHW program, the heating circuit pumps are circuit 1 remains ON j Heating circuit pump for heating switched OFF , when the outside temperature exceeds the set room circuit 2 remains ON...
  • Page 113 Settings and equipment Settings and equipment (cont.) Function in the delivered condition Modified function Frost protection Frost protection active from 1 ºC j Frost protection for heating circuit 1 cancelled j Frost protection for heating circuit 2 cancelled j Frost protection for heating circuit ºC 1 changed to ......
  • Page 114 Settings and equipment Settings and equipment (cont.) Function in the delivered condition Modified function j With auxiliary function for DHW Heating system with DHW heating (cont.): heating; input of a second set H Without additional function for ºC value of ......

  • Page 115: Keyword Index

    Keyword index Keyword index Actual temperatures, scanning, 31 Adaptive cylinder heating, 55 Date, 33 Additional function for DHW heating, DHW circulation pump, 54 54, 86 DHW heating, 53 Apartment block, 53 Diagnostics, 36 Applicability, 120 Differential temperature, 83 Automatic mode, 53 Display contrast, 30 Auxiliary circuit, boiler temperature Draught stabiliser, Vitoair, 77...
  • Page 116 Keyword index Keyword index (cont.) Heating circuit pump, variable Operating conditions, scanning, 33 speed, 17, 99 Optolink/PCB, 56 Heating circuit allocation, 25 Outside temperature, 48 Heating circuit control unit, 48 Outside temperature sensor, 60 Heating circuit pump logic function, 49, 93, 95 Heating curves, 27 Parts list, 105 Heating program changeover, 75, 98...
  • Page 117 Keyword index Keyword index (cont.) Safety, 2 Underfloor heating, 50, 98 Scanning, 31 Screed function, 50, 100, 102 Sensors, checking, 26 Service levels (summary), 30 Variable speed heating circuit Set DHW temperature, 54, 86 pump, 17, 99 Set room temperature adjustment, 28 Vitoair, 77 Set temperatures, scanning, 31 Vitocom 100, 91...

  • Page 120: Applicability

    Applicability Applicability Vitotronic 200, type KW2 Only for integration/installation in/on Viessmann boilers. For control unit Part no. 7187 088 Viessmann Werke GmbH & Co KG D 35107 Allendorf Tel: +49 6452 70 0 Fax: +49 6452 70 27 80 www.viessmann.de...

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