Viessmann VITODENS 200-W Installation And Service Instructions Manual
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Viessmann VITODENS 200-W Installation And Service Instructions Manual

Type b2ha, b2ka, 3.2 to 35 kw gas council no. -system boilers: 41-819-32; 41-819-33; 41-819-34; 41-819-35 -combi boilers: 47-819-28; 47-819-29; 47-819-30
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See also: Technician Manual , Technical Manual
Installation and service
instructions
for contractors
Vitodens 200-W
Type B2HA, B2KA, 3.2 to 35 kW
Gas council no.
■ System boilers:
41-819-32; 41-819-33; 41-819-34; 41-819-35
■ Combi boilers:
47-819-28; 47-819-29; 47-819-30
For applicability, see the last page
VITODENS 200-W
5772 909 GB
11/2012
VIESMANN
Please keep safe.

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Summary of Contents for Viessmann VITODENS 200-W

  • Page 1 VIESMANN Installation and service instructions for contractors Vitodens 200-W Type B2HA, B2KA, 3.2 to 35 kW Gas council no. ■ System boilers: 41-819-32; 41-819-33; 41-819-34; 41-819-35 ■ Combi boilers: 47-819-28; 47-819-29; 47-819-30 For applicability, see the last page VITODENS 200-W Please keep safe.

  • Page 2: Code

    Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ All current safety regulations as defined by DIN, EN, DVGW, TRGI, Danger TRF, VDE and all locally applicable This symbol warns against the standards risk of injury.
  • Page 3 If the boiler is operated at Defective components must be the same time, this can lead to reverse replaced with genuine flow of the flue gas. Viessmann spare parts.
  • Page 4 Installing non-author- ised components and making non-approved modifications or conversions can compromise safety and may invalidate our warranty. For replacements, use only orig- inal spare parts supplied or approved by Viessmann.

  • Page 5: Table Of Contents

    Index Index Installation instructions Preparing for installation Intended use......................Product information....................Preparing for installation..................Installation sequence Fitting the boiler and making connections............11 Flue gas connection..................... 12 Condensate connection..................13 Gas connection....................14 Opening the control unit casing................15 Electrical connections................... 16 Closing the control unit casing and inserting the programming unit.....
  • Page 6 Index Index (cont.) Troubleshooting Fault display......................110 Fault codes......................112 Repairs......................... 129 Function description Constant temperature control unit................ 139 Weather-compensated control unit..............140 Internal extensions (accessories)................. 142 External extensions (accessories)................ 144 Control functions....................148 Allocating heating circuits to the remote control........... 156 Electronic combustion control unit................

  • Page 7: Preparing For Installation

    Product information Vitodens 200-W, type B2HA, B2KA Set up for operation with natural gas E. In principle the Vitodens 200-W may only For conversion to LPG P (without con- be delivered to countries listed on the version kit), see "Commissioning, type plate.

  • Page 8: Preparing For Installation

    Preparing for installation Preparing for installation Please note connect all pipework free of load To prevent equipment damage, and torque stress. A B C D EF A Heating flow Rp¾ E Heating return Rp¾ B DHW Rp½ (combi boilers) F Filling/draining Cylinder flow G¾...
  • Page 9 Preparing for installation Preparing for installation (cont.) Rated heating output Dim. a 2. Prepare the connections on the water side to the valves on the pre-plumb- ing jig or mounting frame. 3.2 - 19.0 Thoroughly flush the heating sys- 6.5 - 26.0 tem.
  • Page 10 Preparing for installation Preparing for installation (cont.) Remove the toggle on the cold water shut-off valve (if installed) to prevent anyone shutting it off manually. Shock arrestor If draw-off points that could cause pres- sure peaks (water hammer/shock) are connected to the same pipework as the boiler (such as pressure washers, wash- ing machines or dishwashers), we would recommend the installation of a shock...

  • Page 11: Installation Sequence

    Installation sequence Fitting the boiler and making connections...

  • Page 12: Flue Gas Connection

    ■ Applicable regulations on installing tation may only be used in conjunction and commissioning flue systems have with the Viessmann flue system made been followed. by Skoberne. ■ During installation and positioning of Danger...

  • Page 13: Condensate Connection

    Installation sequence Condensate connection 2. ■ The condensate pipe is connected with the discharge pipe of the safety valve. The condensate hose supplied meets the temperature requirements that are part of the CE certification. ■ We recommend the internal con- nection of the condensate pipe to the domestic drain, either directly or via a tundish.

  • Page 14: Gas Connection

    Installation sequence Gas connection 3. Vent the gas line. Conversion to other gas types: Service instructions (details for converting to LPG are on page 1. Seal gas shut-off valve A into the gas supply pipe. 2. Carry out a tightness test. Note Only use suitable and approved leak detection agents (EN 14291) and...

  • Page 15: Opening The Control Unit Casing

    Installation sequence Opening the control unit casing Please note Before beginning work, touch Electronic assemblies can be earthed objects, such as heating damaged by electrostatic dis- or water pipes, to discharge static charge. loads.

  • Page 16: Electrical Connections

    Installation sequence Electrical connections A Jumper...
  • Page 17 Installation sequence Electrical connections (cont.) Connections at plug 230 V~ Information on connecting fÖ Power supply accessories lH ■ Power supply for accessories When connecting accessories ■ External demand/blocking observe the separate installation ■ Room temperature control unit instructions provided with them. (remove jumper A when con- necting): –...

  • Page 18: Outside Temperature Sensor

    Installation sequence Electrical connections (cont.) Outside temperature sensor ! For fitting the wireless outside tempera- ■ Not immediately below balconies or ture sensor (wireless accessory): gutters ■ Never render over Wireless base station installation and service instructions Outside temperature sensor connec- tion Fitting location for outside tempera- 2-core lead, length max.
  • Page 19 Installation sequence Electrical connections (cont.) Plug lH Extension EA1 A Floating contact A Floating contact (when connecting, B Extension EA1 remove jumper across L and 1) Codes Codes ■ "4b:1" in group "General"/1. ■ Set "3A" (DE1), "3b" (DE2) or "3C" ■...

  • Page 20: External Blocking Via Switching Contact

    Installation sequence Electrical connections (cont.) 0 – 1 V ≙ No default set boiler water temperature ≙ Set value 10 °C ≙ Set value 100 °C [{{] fÖ 0-10V 10 V Ö L ? N 230 V~ ­ 0-10 V External blocking via switching contact Connection options: Please note...
  • Page 21 Installation sequence Electrical connections (cont.) Plug lH Extension EA1 A Floating contact A Floating contact (when connecting, B Extension EA1 remove jumper across L and 1) Codes Codes ■ "4b:2" in group "General"/1 ■ Set "3A" (DE1), "3b" (DE2) or "3C" ■...
  • Page 22 Installation sequence Electrical connections (cont.) Power supply for accessories at plug lH (230 V~) Where the boiler is installed in a wet If the total system current exceeds 6 A, area, the power supply connection for connect one or more extensions via an accessories must not be made at the ON/OFF switch directly to the mains sup- control unit.
  • Page 23 Installation sequence Electrical connections (cont.) A buffer relay must be fitted if the current Accessories Internal fuse flowing to the connected working parts protection (e.g. circulation pumps) is higher than Extension kit for heat- the safety level of the relevant acces- ing circuit with mixer sory.

  • Page 24: Routing The Connecting Cables

    Installation sequence Electrical connections (cont.) Routing the connecting cables Please note When routing and securing If power cables touch hot compo- cables/leads on site, ensure that nents they will be damaged. the maximum permissible tem- peratures for these cables/leads are not exceeded. A LV connections % Type B2HA: B 230 V connections...

  • Page 25: Closing The Control Unit Casing And Inserting The Programming Unit

    Installation sequence Closing the control unit casing and inserting the programming unit Insert programming unit (packed sepa- Wall mounting base installation rately) into the control unit support. instructions Note The programming unit can also be inser- ted into a wall mounting base (accesso- ries) near the boiler.

  • Page 26: Fitting The Front Panel

    Installation sequence Fitting the front panel Note Fit the safety guard and ensure that the locking screws are tightened before operating.

  • Page 27: Commissioning, Inspection, Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • 1. Checking the power supply • 2. Filling the heating system..........29 •...
  • Page 28 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 20. Checking and adjusting the ignition and ionisation electrodes................ 42 • 21. Cleaning the heating surfaces........43 • • 22. Checking the condensate drain and cleaning the siphon................

  • Page 29: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Filling the heating system Fill water ■ An antifreeze additive suitable for heating systems can be Please note added to the fill water. The anti- Unsuitable fill water increases freeze manufacturer must ver- the level of deposits and corro- ify its suitability.

  • Page 30: Language Selection - Only For Weather-Compensated

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note 4. If the control unit had already been If the control unit has not been switched on before filling began: switched on prior to filling the system, Switch control unit ON and activate then the servomotor of the diverter filling function (see next chapter).

  • Page 31: Note On The Automatic Flue Gas Temperature Sensor Test

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note on the automatic flue gas temperature sensor test Weather-compensated control unit Constant temperature control unit As soon as the time and date have been Immediately after being switched on, the set, the control unit automatically checks control unit automatically checks the func- the function of the flue gas temperature...

  • Page 32: Venting The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. First close valve B. 1. Close the shut-off valves on the heat- ing water side. If required, remove the safety guard. 5. When the required operating pres- sure has built up, close valve A. 2.

  • Page 33: Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Activating the venting function Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx.

  • Page 34: Designating Heating Circuits - Only For Weather

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note Never twist the supply hose during assembly. Route the drain hose with- out any bends and with a constant fall. Designating heating circuits - only for weather-compensated control units In the delivered condition, the heating To enter names for heating circuits: circuits are designated "Heating circuit...

  • Page 35: Gas Type Conversion (Only For Operation With Lpg)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Gas type conversion (only for operation with LPG) 1. Set adjusting screw A on the gas train to "2". 2. Turn on the ON/OFF switch 8. 3. Select the gas type in coding address "82": ■...
  • Page 36 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the supply (flow) pressure. Set value: ■ Natural gas: 20 mbar ■ LPG: 37 mbar Note ■ Use a suitable measuring device with a resolution of at least 0.1 mbar to check the supply pres- sure.

  • Page 37: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply pressure (flow pressure) Action For natural gas For LPG Below 17.4 mbar Below 25 mbar Do not start the boiler. Notify your gas supply utility or LPG supplier. 17.4 to 25 mbar 25 to 47 mbar Start the boiler.
  • Page 38 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ionisation current Fault EE Check the ionisa- builds tion electrode ad- Symbol A justment and the gas line for air- locks. Burner in opera- Stops below the Check the flue sys- tion set boiler water tem for tightness...

  • Page 39: Max. Heating Output Setting

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Max. heating output setting The maximum output for heating oper- ation can be limited. The limit is set via the modulation range. The max. adjust- able heating output is limited upwards by the boiler coding card.

  • Page 40: Burner Removal

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Burner removal 1. Switch OFF the power supply and the 4. Undo gas supply pipe fitting F. ON/OFF switch at the control unit. 5. Undo four screws G and remove the 2.

  • Page 41: Checking The Burner Gasket And Burner Gauze Assembly

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gasket and burner gauze assembly Check burner gasket A and burner gauze assembly E for possible damage and replace if required. 1. Remove electrodes B. 3. Undo two Torx screws and remove burner gauze assembly E with gas- 2.

  • Page 42: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Insert new burner gauze assembly 6. Fit electrodes B. E with new gasket F and secure. Please note Please note Fasten screws tightly enough Fasten screws tightly enough to ensure the components are to ensure the components are not being damaged and are not being damaged and are...

  • Page 43: Cleaning The Heating Surfaces

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the heating surfaces Please note Note There should be no scratches or Discolouration of the heat exchanger other damage on the heat surface is a normal sign of usage. It has exchanger surface that comes no impact on the function and service life into contact with hot gases.
  • Page 44 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Check at the siphon that the conden- 4. Fill siphon B with water and fit in sate can drain freely. place. Put on retaining clip A. 2. Remove retaining clip A and siphon Note Never twist the supply hose during assembly.

  • Page 45: Fitting The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Fitting the burner 1. Fit the burner and tighten screws G 3. Check the gas connections for tight- diagonally. ness. Danger Please note Escaping gas leads to a risk of Fasten screws tightly enough explosion.

  • Page 46: Checking The Flow Limiter (Only For Combi Boilers)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the flow limiter (only for combi boilers) 1. Switch OFF the control unit, shut off the cold water line and drain the DHW side of the boiler. 2. Undo Allen screws A. Note Residual water may escape during dismantling.

  • Page 47: Checking Firm Seating Of Electrical Connections 29. Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Top up with water until the charge Permiss. operating pressure: 3 bar pressure of the cooled system is at least 1.0 bar, and is 0.1 to 0.2 bar higher than the pre-charge pressure of the expansion vessel.
  • Page 48 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Check the CO content. Should the actual value deviate from the afore- mentioned ranges by more than 1 %, implement steps from page 47. 5. Enter actual values into the report. 6.

  • Page 49: Matching The Control Unit To The Heating System

    Installation and service instruc- tions for accessories System version 1 One heating circuit without mixer A1 (with/without DHW heating) ID: 4605145_1001_01 1 Vitodens 200-W 4 DHW cylinder 2 Outside temperature sensor (only 5 Cylinder temperature sensor for weather-compensated control 6 Heating circuit without mixer A1...

  • Page 50: Code

    30 % greater than the flow rate of the heating circuit with mixer. ID: 4605148_1001_01 1 Vitodens 200-W 6 Heating circuit with mixer M2 (heating circuit 2) 2 Outside temperature sensor 7 Temperature limiter to restrict the...
  • Page 51 H1 or H2 System version 3 One heating circuit without mixer A1 and one heating circuit with mixer M2 with system separation (with/without DHW heating) ID: 4605147_1001_01 1 Vitodens 200-W 3 DHW cylinder 2 Outside temperature sensor 4 Cylinder temperature sensor...
  • Page 52 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 5 Heating circuit without mixer A1 9 Heating circuit pump M2 (heating circuit 1) qP Extension kit for one heating circuit 6 Heating circuit with mixer M2 with mixer M2 (heating circuit 2) qQ Heat exchanger for system separa- 7 Temperature limiter to restrict the...
  • Page 53 One heating circuit without mixer, one heating circuit with mixer M2 (with extension kit), one heating circuit with mixer M3 (with extension kit) and low loss header (with/without DHW heating) ID: 4605149_1001_01 1 Vitodens 200-W qQ Heating circuit with mixer M3 2 Outside temperature sensor (heating circuit 3)

  • Page 54: Adjusting The Heating Curves (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function/system components Code Adjust Group Operation with LPG 82:1 "General" System only with two heating circuits with mixer with extension kit for mixer (without unregulated heating circuit) ■ with DHW cylinder or instantaneous water heater 00:8 "General"...
  • Page 55 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Slope setting ranges: Standard set room temperature ■ Underfloor heating systems: 0.2 to 0.8 ■ Low temperature heating systems: 0.8 to 1.6 Selecting the set room temperature Individually adjustable for each heating circuit.
  • Page 56 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) D Heating circuit pump "OFF" Changing the slope and level E Heating circuit pump "ON" Individually adjustable for each heating circuit. Changing the standard set room temper- ature Operating instructions Reduced set room temperature Outside temperature in °C A Changing the slope...

  • Page 57: Connecting The Control Unit To The Lon System - Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Connecting the control unit to the LON system - only for weather- compensated control units The LON communication module Note (accessories) must be plugged in. In the same LON system, the same sub- scriber number must not be allocated Installation instructions twice.
  • Page 58 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom Viessmann system Viessmann system Viessmann system — number, number, number, Code "98:1". Code "98:1". Code "98:1". LON subscriber fault LON subscriber fault LON subscriber fault —...

  • Page 59: Calling Up And Resetting The Service Display

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Calling up and resetting the service display The red fault indicator flashes when the limits set in coding addresses "21" and "23" have been reached. (Coding address in group "Boiler" (weather- compensated control unit) or group 2 (constant temperature control unit).) Weather-compensated control unit...

  • Page 60: Calling Up Coding Level 1

    Code 1 Calling up coding level 1 Calling up coding level 1 ■ On weather-compensated control The heating circuit without mixer is units, codes are displayed as plain designated "Heating circuit 1" and text. the heating circuits with mixer as ■...
  • Page 61 Code 1 Calling up coding level 1 (cont.) Weather-compensated control unit Constant temperature control unit Resetting all codes to their delivered condition Select "Standard setting". Select "7" with Ú and confirm with OK. When " " flashes, confirm with OK. Note This also resets the codes at coding lev- Note...

  • Page 62: General"/Group 1

    Code 1 "General"/group 1 (cont.) Value System Description address version 00: ... One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), without DHW heating One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), with DHW heating One heating circuit without mixer A1 (heating circuit 1), one...
  • Page 63 Code 1 "General"/group 1 (cont.) Coding in the delivered condition Possible change Subscriber no. 77:1 LON subscriber number 77:2 LON subscriber number, (only for weather-com- adjustable from 1 to 99: pensated control units) 77:99 1 - 4 = Boiler 5 = Cascade 10 - 97 = Vitotronic 200-H 98 = Vitogate 99 = Vitocom...

  • Page 64: Boiler"/Group 2

    Code 1 "Boiler"/group 2 Select "Boiler" for weather-compensa- Select "2" for constant temperature con- ted control units (see page 60). trol units (see page 60). Coding Coding in the delivered condition Possible change Single/multi boiler system 01:1 Do not adjust (only for constant temperature control units) Burner service in 100 hours...

  • Page 65: Dhw"/Group 3

    Code 1 "DHW"/group 3 (cont.) Coding Coding in the delivered condition Possible change Set DHW temperature reheating suppression 67:40 For solar DHW heating: 67:0 Set DHW temperature ad- Set DHW temperature justable from 0 to 95 °C 40 °C. Reheating is sup- 67:95 (limited by boiler-specific pressed above the selec-...
  • Page 66 Code 1 "Solar"/group 4 (cont.) Coding in the delivered condition Possible change Cylinder maximum temperature 08:60 Set DHW temperature 08:10 Set DHW temperature ad- (maximum cylinder tem- justable from 10 to 90 °C. perature) 60 °C. 08:90 Stagnation time reduction 0A:5 Temperature differential 0A:0...

  • Page 67: Heating Circuit

    Code 1 "Heating circuit ..."/group 5 Select "Heating circuit ..." for weather- Select "5" for constant temperature con- compensated control units (see trol units (see page 60). page 60). Coding Coding in the delivered condition Possible change Economy function outside temperature A5:5 With heating circuit pump A5:0...
  • Page 68 Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Extended economy function adjusted outside temperature A6:36 Extended economy con- A6:5 Extended economy control trol disabled (only for enabled, i.e. the burner and weather-compensated A6:35 heating circuit pump will control units) stop and the mixer will be closed at a variable value,...
  • Page 69 Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Weather-compensated/room temperature hook-up b0:0 With remote control: b0:1 Heating mode: weather- Heating mode/reduced compensated mode: weather-compen- Reduced mode: with room sated (only for weather- temperature hook-up compensated control b0:2 Heating mode: with room...
  • Page 70 Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Max. flow temperature heating circuit C6:74 Electronic maximum flow C6:10 Maximum limit adjustable temperature limit 74 °C from 10 to 127 °C (limited (only for weather-com- C6:127 by boiler-specific parame- pensated control units)
  • Page 71 Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Min. pump speed E7:30 Minimum speed of the E7:0 Minimum speed adjustable variable speed heating from 0 to 100 % of the max- circuit pump: 30 % of the E7:100 imum speed max.
  • Page 72 Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Start temperature raising F8:–5 Temperature limit for ter- F8:+10 Temperature limit adjusta- minating reduced mode ble from –5 °C, see example on F8:–60 +10 to –60 °C page 153.

  • Page 73: Calling Up Coding Level 2

    Code 2 Calling up coding level 2 Calling up coding level 2 ■ All codes are accessible in coding If the heating circuits were given indi- level 2. vidual designations, the selected des- ■ Codes that have not been assigned ignation and "HC1", "HC2"...

  • Page 74: General"/Group 1

    Code 2 Calling up coding level 2 (cont.) Weather-compensated control unit Constant temperature control unit Resetting all codes to their delivered condition Select "Standard setting". Select "7" with Ú and confirm with OK. When " " flashes, confirm with OK. Note This also resets codes at coding level 1.
  • Page 75 Code 2 "General"/group 1 (cont.) Value System Description address version 00: ... One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), without DHW heating One heating circuit with mixer M2 (heating circuit 2) and one heating circuit with mixer M3 (heating circuit 3), with DHW heating One heating circuit without mixer A1 (heating circuit 1), one...
  • Page 76 Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 34:0 Function output A2 at ex- 34:1 Function output A2: Heat- tension AM1: DHW circu- ing circuit pump lation pump 34:2 Function output A2: Circu- lation pump for cylinder heating 35:0 Without extension EA1...
  • Page 77 Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 3b:0 Function input DE2 at ex- 3b:1 Function input DE2: Heat- tension EA1: Not as- ing program - changeover signed 3b:2 Function input DE2: Exter- nal demand with set flow temperature.
  • Page 78 Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 3C:3 Function input DE3: Exter- nal blocking. Internal circulation pump function: Coding address 3C:4 Function input DE3: Exter- nal blocking with fault mes- sage input Internal circulation pump function: Coding address 3C:5 Function input DE3: Fault...
  • Page 79 Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 51:0 System with low loss 51:1 System with low loss head- header: Internal circulation pump When there is a heat de- always starts when there mand, the internal circula- is a heat demand tion pump is only started if the burner is operational.
  • Page 80 Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 6E:51 Display correction +0.1 K to +5 K 6E:100 76:0 Without LON communi- 76:1 With LON communication cation module (only for module (automatic recog- weather-compensated nition) control units) 77:1 LON subscriber number 77:2...
  • Page 81 Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 81:2 Use of the radio clock re- ceiver (automatic recogni- tion) 81:3 With LON communication module: The control unit re- ceives the time 82:0 Operation with natural 82:1 Operation with LPG (only adjustable if coding ad- dress 11:9 has been set)

  • Page 82: Boiler"/Group 2

    Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 98:1 Viessmann system num- 98:1 System number adjustable ber (in conjunction with from 1 to 5 monitoring several sys- 98:5 tems via Vitocom 300) 99:0 Do not adjust...
  • Page 83 Code 2 "Boiler"/group 2 (cont.) Coding Coding in the delivered condition Possible change 01:1 Do not adjust (only for constant temperature control units) 04:1 Minimum burner pause 04:0 Minimum burner pause time subject to the boiler time set permanently load (specified by boiler (specified by boiler coding coding card) card)

  • Page 84: Dhw"/Group 3

    Code 2 "Boiler"/group 2 (cont.) Coding in the delivered condition Possible change 30:1 Internal variable speed 30:0 Internal circulation pump circulation pump (auto- without variable speed matic adjustment) (e.g. temporarily for serv- ice) 31:... Set speed of the internal 31:0 Set speed adjustable from circulation pump when 0 to 100 %...
  • Page 85 Code 2 "DHW"/group 3 (cont.) Coding in the delivered condition Possible change 5b:0 DHW cylinder directly 5b:1 DHW cylinder connected connected to the boiler downstream of the low loss header 5E:0 Circulation pump for cyl- 5E:1 Circulation pump for cylin- inder heating stays in der heating stops at signal control mode at signal...
  • Page 86 Code 2 "DHW"/group 3 (cont.) Coding in the delivered condition Possible change 67:40 For solar DHW heating: 67:0 Set DHW temperature ad- Set DHW temperature justable from 0 to 95 °C 40 °C. Reheating is sup- 67:95 (limited by boiler-specific pressed above the selec- parameters) ted set temperature (boil-...

  • Page 87: Solar"/Group 4

    Code 2 "Solar"/group 4 (cont.) Note The solar group is only displayed if a solar control module, type SM1, is con- nected. Coding Coding in the delivered condition Possible change 00:8 Start temperature differ- 00:2 Start temperature differen- ential for solar circuit tial adjustable from 2 to pump 8 K.
  • Page 88 0b:0 Frost protection function 0b:1 Frost protection function for solar circuit switched for solar circuit switched on off. (not required with Viessmann heat transfer medium). 0C:1 Delta T monitoring 0C:0 Delta T monitoring switch- switched on. ed off. No flow rate captured in the solar circuit, or flow rate too low.
  • Page 89 Code 2 "Solar"/group 4 (cont.) Coding in the delivered condition Possible change ■ Target temperature control switched on (code "10:1"): Temperature at which the solar heated water in the DHW cylinder is to be stratified. ■ Code "20:9" (heating of two DHW cylinders) is selected: When one DHW cylin-...
  • Page 90 Code 2 "Solar"/group 4 (cont.) Coding in the delivered condition Possible change 22:8 Start temperature differ- 22:2 Start temperature differen- ential with central heating tial adjustable from 2 to backup (code "20:4" must 22:30 30 K. be selected) 8 K. 23:4 Stop temperature differ- 23:2...

  • Page 91: Heating Circuit

    Code 2 "Solar"/group 4 (cont.) Coding in the delivered condition Possible change After the selected cyclical heating time for the DHW cylinder without priority has expired, the rise in collector temperature is captured during the cycli- cal pause time. "Heating circuit ..."/group 5 Select "Heating circuit ..."...
  • Page 92 Code 2 "Heating circuit ..."/group 5 (cont.) Parameter Heating circuit pump Address A3:... "ON" "OFF" –9 –10 °C –8 °C –8 –9 °C –7 °C –7 –8 °C –-6 °C –6 –7 °C –5 °C –5 –6 °C –4 °C –4 –5 °C –3 °C...
  • Page 93 Code 2 "Heating circuit ..."/group 5 (cont.) Parameter address With heating circuit pump logic function: Heating cir- A5:... cuit pump "OFF" AT > RT + 5 K AT > RT + 4 K AT > RT + 3 K AT > RT + 2 K AT >...
  • Page 94 Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change A8:1 Heating circuit with mixer A8:0 Heating circuit with mixer creates a demand for the creates no demand for the internal circulation pump internal circulation pump (only for weather-com- pensated control units) A9:7...
  • Page 95 Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change b2:64 b5:0 With remote control: No b5:1 For heating circuit pump room temperature-de- logic function, see the fol- pendent heating circuit b5:8 lowing table: pump logic function (only for weather-compensa- ted control units;...
  • Page 96 Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change d5:0 The external heating pro- d5:1 The external heating pro- gram changeover gram changeover switches switches the heating pro- to "Constant operation with gram to "Constant opera- standard room tempera- tion with reduced room ture"...
  • Page 97 Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change E2:50 With remote control: No E2:0 Display correction –5 K display correction for the actual room temperature E2:49 Display correction –0.1 K (only for weather-com- E2:51 Display correction +0.1 K pensated control units) E2:99...
  • Page 98 Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change F1:0 Screed drying disabled F1:1 Screed drying adjustable in (only for weather-com- accordance with 6 selecta- pensated control units). F1:6 ble temperature/time pro- files (see page 151) F1:15 Constant flow temperature 20 °C...
  • Page 99 Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Observe the setting of coding address "A3". (on- ly for weather-compensa- ted control units) F9:–14 Temperature limit for rais- F9:+10 Temperature limit for rais- ing the set reduced room ing the set room tempera- temperature –14 °C, see F9:–60...

  • Page 100: Diagnosis And Service Scans

    Diagnosis and service scans Service level Weather-compensated control unit Constant temperature control unit Calling up the service level Service menu: Service menu: 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx. 4 s. 2.

  • Page 101: Diagnosis

    Diagnosis and service scans Service level (cont.) Note The menu item turns a weather-compen- Do not adjust menu item "Multi-boiler sated control unit into a constant tem- system". perature control unit. Diagnosis Operating data Weather-compensated control unit Constant temperature control unit Calling up operating data ■...

  • Page 102: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) Weather-compensated control unit Constant temperature control unit Resetting operating data Saved operating data (e.g. hours run) can Saved operating data (e.g. hours run) can be reset to "0". be reset to "0". The value "Adjusted outside temp" is re- set to the actual value.
  • Page 103 Diagnosis and service scans Diagnosis (cont.) For an explanation of the relevant values in the individual lines and fields, see the following table: Line (brief Field scan) System schemes Software version Software version 01 to 10 Control unit Programming unit Device version Device identification ZE-ID...
  • Page 104 Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Heating circuit A1/ Heating circuit M2/ Heating circuit M3/ Remote Software Remote Software Remote Software control version, control version, control version, re- 0: With- remote 0: With- remote 0: With- mote con- control control...
  • Page 105 Diagnosis and service scans Diagnosis (cont.) Brief scan for constant temperature control units Service menu: "Ü" flashes on the display. 1. Press OK and å simultaneously for 2. Confirm with OK. approx. 4 s. 3. Select the required scan with V/v. For example, "A"...
  • Page 106 Diagnosis and service scans Diagnosis (cont.) Brief scan Display Variable Software speed version pump Variable 1: Wilo speed pump 2: Grundfos 0: No varia- 3: Ascoli ble speed pump Software Software version version Burner control unit Solar con- trol mod- ule, type Code 53 Internal details for calibration...

  • Page 107: Checking Outputs (Actuator Test)

    Diagnosis and service scans Diagnosis (cont.) Brief scan Display Solar control module SM1 Stagnation time of the solar thermal system in h Night circulation, solar thermal system (number) Monitoring of differential temperature, solar thermal system Reheating Output 22 suppres- switching sion state 0: Disabled...
  • Page 108 Diagnosis and service scans Checking outputs (actuator test) (cont.) Display Explanation Htg circ pump Heating circuit pump output active (extension to heating circuit with mixer) Mixer HC2 Open "Mixer open" output active (extension to heating circuit with mixer) Mixer HC2 Close "Mixer close"...
  • Page 109 Diagnosis and service scans Checking outputs (actuator test) (cont.) Display Explanation Diverter valve set to heating mode Diverter valve in central position (filling/draining) Diverter valve set to DHW mode Internal extension output active Solar circuit pump output sF on solar control module SM1 active Solar circuit pump output on solar control module SM1 switched to min- imum speed Solar circuit pump output on solar control module SM1 switched to...

  • Page 110: Troubleshooting

    Troubleshooting Fault display Weather-compensated control unit In the event of a fault, red fault indicator Calling up acknowledged faults A flashes. " " flashes on the display Select "Fault" in the standard menu. and "Fault" is shown. The current faults will be displayed in a list.

  • Page 111: Constant Temperature Control Unit

    Troubleshooting Fault display (cont.) Constant temperature control unit In the event of a fault, red fault indicator A fault message facility, if connected, will A flashes. The two-digit fault code and be switched OFF. (subject to the type of fault) " " or " " If an acknowledged fault is not remedied, flash on the programming unit display.

  • Page 112: Fault Codes

    Troubleshooting Fault codes Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Controls as if Short circuit, Check outside tem- the outside outside tem- perature sensor temperature perature sen- (see page 129) were 0 °C Controls as if Lead break, Check outside tem- the outside...
  • Page 113 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Regulates with- Lead break, Check low loss out flow tem- flow tempera- header sensor (see perature sen- ture sensor page 130) sor (low loss If no low loss head- header) er sensor is con-...
  • Page 114 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Only Short circuit Check cylinder type B2HA: in the cylinder temperature sen- No DHW heat- temperature sor (see page 130) ing by the boil- sensor or or comfort sensor comfort sen-...
  • Page 115 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Lead break, Check sensor / temperature on solar control sensor / module. Control mode Lead break, Check sensor aÖ temperature on the solar control sensor aÖ...
  • Page 116 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Programming Replace program- as per deliv- unit faulty ming unit ered condition Burner blocked Short circuit, Check flue gas flue gas tem- temperature sen- perature sen- Control mode...
  • Page 117 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connec- without remote tion error, re- tions, cable, coding control mote control address "A0" in Vitotrol group "Heating heating circuit 1 circuit"...
  • Page 118 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connec- without remote tion error, re- tions, cable, coding control mote control address "A0" in Vitotrol group "Heating heating circuit 3 circuit"...
  • Page 119 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode, Communica- Check setting of max. pump tion error, var- coding address speed iable speed "30" in group "Boil- internal pump er" (weather-com- pensated control units) or group 2 (constant tempera-...
  • Page 120 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connections tion error for Vitocom 100, Vitocom 100, type GSM and cod- type GSM ing address "95" in (KM BUS) group "General"...
  • Page 121 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Short circuit, Check room tem- without room room temper- perature sensor, influence ature sensor, heating circuit 3 heating circuit 3 (with mixer) Control mode Lead break, Check room tem-...
  • Page 122 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Ionisation Check gap be- state current too tween ionisation high during electrode and calibration burner gauze as- sembly (see page 42). In open flue opera- tion, prevent high incidence of dust in...
  • Page 123 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Ionisation Check ionisation state current too electrode: low during ■ Distance to burn- calibration er gauze assem- bly (see page 42) ■...
  • Page 124 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Ionisation Check flue system; state current out- remedy flue gas re- side permissi- circulation if re- ble range dur- quired. ing calibration In open flue opera- (deviation...
  • Page 125 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Internal fault Replace control state unit. Burner in a fault Flame signal Check gas supply state is not present (gas pressure and or too weak at gas flow switch).
  • Page 126 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame is lost Check gas supply state immediately (gas pressure and after it has gas flow switch). formed (dur- Check balanced ing the safety flue system for flue time).
  • Page 127 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame signal Check ionisation state is already electrode and con- present at necting cable. burner start. Press reset button Burner in a fault Fuel valve Check gas train.
  • Page 128 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Fault, burner Check ignition state control unit electrodes and connecting cables. Check whether a strong interference (EMC) field exists near the appliance. Press reset button Replace control unit if fault per-...

  • Page 129: Repairs

    Troubleshooting Repairs Checking the outside temperature sensor 2. Test the resistance of the outside temperature sensor across terminals "X3.1" and "X3.2" on the disconnec- ted plug and compare it with the curve. 3. Where actual values deviate severely from the curve values, disconnect the wires at the sensor and repeat the test on the sensor itself.
  • Page 130 Troubleshooting Repairs (cont.) Checking the boiler temperature sensor, cylinder temperature sensor or low loss header flow temperature sensor...
  • Page 131 Troubleshooting Repairs (cont.) 2. Check the sensor resistance and compare it with the curve. 3. Replace the sensor in the case of severe deviation. Danger The boiler water temperature sensor is immersed in the heating water (risk of scald- ing). 10 30 50 70 90 110 Drain the boiler on the heating Temperature in °C...
  • Page 132 Troubleshooting Repairs (cont.) Checking the outlet temperature sensor or comfort sensor (combi boilers only) 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ 1. Disconnect the leads from outlet tem- perature sensor A or comfort sensor 2.
  • Page 133 Troubleshooting Repairs (cont.) Checking the plate heat exchanger 1. Shut off and drain the boiler on the heating water and DHW sides. 2. Release the side closures and pivot the control unit forward. 3. Disconnect leads from comfort sen- sor A. 4.
  • Page 134 Troubleshooting Repairs (cont.) Danger Escaping gas leads to a risk of explosion. Check all gas equipment for tightness. Checking the flue gas temperature sensor The flue gas temperature sensor locks 1. Pull leads from flue gas temperature out the boiler when the permissible flue sensor A.
  • Page 135 Troubleshooting Repairs (cont.) Fault "A3" during commissioning During commissioning, the control unit 2. If necessary, correct the position of checks whether the flue gas temperature the flue gas temperature sensor or sensor is correctly positioned. replace faulty flue gas temperature If the flue gas temperature sensor is not sensor.
  • Page 136 Troubleshooting Repairs (cont.) Checking the fuse 1. Switch off the power. 3. Remove cover A. 2. Release the side closures and pivot 4. Check fuse F1 (see connection and the control unit down. wiring diagram). Extension kit for heating circuit with mixer Checking the setting of rotary selec- Heating circuit Rotary se-...
  • Page 137 Troubleshooting Repairs (cont.) Checking the rotational direction of Note the rotational direction of the mixer the mixer motor motor during its self-test. Then set the mixer manually to "Open" After being switched on, the boiler imple- again. ments a self-test. During this, the mixer is opened and closed again.
  • Page 138 Troubleshooting Repairs (cont.) Checking flow temperature sensor Pressure drop curve 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ 1. Remove plug ? (flow temperature 2. Check the sensor resistance and sensor). compare it with the curve. Replace the sensor in the case of severe deviation.

  • Page 139: Function Description

    Function description Constant temperature control unit °C Heating mode The selected set boiler water tempera- The electronic temperature limiter inside ture will be maintained when a demand the burner control unit limits the boiler is being raised by the room thermostat water temperature.

  • Page 140: Weather-Compensated Control Unit

    Function description Constant temperature control unit (cont.) In the delivered condition, the set boiler water temperature is 20 K above the set DHW temperature (adjustable via coding address "60" in group "DHW" (weather- compensated control units) or group 3 (constant temperature control units). The burner will be switched off and the circulation pump run-on time will begin, if the actual cylinder temperature...
  • Page 141 Function description Weather-compensated control unit (cont.) DHW heating with gas condensing combi boiler If the flow switch detects that DHW is being drawn off (> 3 l/min), the burner, circulation pump and 3-way valve are started or changed over. The burner modulates to reach the DHW outlet tem- perature and is limited on the boiler side by the temperature limiter.

  • Page 142: Internal Extensions (Accessories)

    Function description Internal extensions (accessories) Internal extension H1 The internal extension is integrated into ■ Heating circuit pump for heating circuit the control unit casing. The following without mixer (code "53:2") alternative functions can be connected ■ Circulation pump for cylinder heating to relay output sK.

  • Page 143: Internal Extension H2

    Function description Internal extensions (accessories) (cont.) Internal extension H2 The internal extension is integrated into ■ Heating circuit pump for heating circuit the control unit casing. The following without mixer (code "53:2") alternative functions can be connected ■ Circulation pump for cylinder heating to relay output sK.

  • Page 144: External Extensions (Accessories)

    Function description External extensions (accessories) Extension AM1 fÖ A Power supply for additional Circulation pump Circulation pump accessories fÖ Power supply aVG KM BUS...
  • Page 145 Function description External extensions (accessories) (cont.) Functions Select the output functions by means of the codes on the boiler control unit. One of the following circulation pumps can be connected to each of the connec- tions A1 and A2: ■ Heating circuit pump for the heating circuit without mixer ■...

  • Page 146: Extension Ea1

    Function description External extensions (accessories) (cont.) Extension EA1 fÖ A Power supply for additional Fuse/MCB accessories Digital input 1 Central fault message/feed Digital input 2 pump/DHW circulation pump Digital input 3 (potential-free) 0 – 10 V 0 – 10 V input KM BUS fÖ...
  • Page 147 Function description External extensions (accessories) (cont.) Digital data inputs DE1 to DE3 The effect of the operating program changeover is selected via coding The following functions can be connec- address d5 in the "Heating circuit" ted alternatively: group. ■ External operating program change- The duration of the changeover is set via over for each heating circuit coding address F2 in the "Heating cir-...

  • Page 148: Control Functions

    Function description External extensions (accessories) (cont.) Output aBJ Analogue input 0 – 10 V The 0 – 10 V hook-up provides an addi- The following functions can be connec- tional set boiler water temperature: ted to output aBJ: 0 – 1 V is taken as "no default for set ■...
  • Page 149 Function description Control functions (cont.) You can select which direction the heat- ing program changeover takes in coding address "d5" in the "Heating circuit" group: Heating program - changeover Code Changeover towards "Permanently reduced" or "Permanent d5:0 standby" mode (subject to the selected set value) Changeover towards "Constant heating mode"...
  • Page 150 Function description Control functions (cont.) External blocking and fault message input Code Input DE1 3A:4 Input DE2 3b:4 Input DE3 3C:4 The effect on the internal circulation The effect on the relevant heating circuit pump is selected in coding address pump is selected in coding address "3E"...
  • Page 151 Function description Control functions (cont.) Fill program In the delivered condition, the diverter Filling with the control unit switched valve is set to its central position, ena- bling the system to be filled completely. After the control unit has been switched If the system is to be filled with the control on, the diverter valve no longer goes into unit switched on, the diverter valve is...
  • Page 152 Function description Control functions (cont.) Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Days Temperature profile 3: Code "F1:3" Days Temperature profile 4: Code "F1:4" Days Temperature profile 5: Code "F1:5" Days...
  • Page 153 Function description Control functions (cont.) Temperature profile 6: Code "F1:6" Days Temperature profile 7: Code "F1:15" Days Raising the reduced room temperature During operation with reduced room The outside temperature limits for the temperature, the reduced set room tem- start and end of temperature raising can perature can be automatically raised be set in coding addresses "F8"...
  • Page 154 Function description Control functions (cont.) Example using the settings in the delivered condition -5 -10 -15 Outside temp. in °C A Heating curve for operation with B Heating curve for operation with standard room temperature reduced room temperature Reducing the heat-up time During the transition from operation with The value and duration of the additional reduced room temperature to operation...
  • Page 155 Function description Control functions (cont.) Example using the settings in the delivered condition Time in h A Start of operation with standard D Duration of operation with raised set room temperature boiler water or flow temperature in B Set boiler water or flow temperature accordance with coding address in accordance with the selected "Fb":...

  • Page 156: Allocating Heating Circuits To The Remote Control

    Function description Allocating heating circuits to the remote control The heating circuit allocation must be configured when commissioning the Vitotrol. Heating circuit Vitotrol configuration 200A/200 RF 300A/300 RF The remote control affects the heating circuit with- HC 1 out mixer A1 The remote control affects the heating circuit with HC 2 mixer M2...
  • Page 157 Function description Electronic combustion control unit (cont.) Air ratio λ– CO content Air ratio λ content content content content (%) for natu- (%) for natu- (%) for LPG P ral gas E ral gas LL 1.20 11.3 1.24 10.9 1.27 10.6 1.30 10.3...

  • Page 158: Designs

    Designs Connection and wiring diagram – Internal connections Main PCB Only type B2KA: X... Electrical interface Outlet temperature sensor § Boiler water temperature sen- Ionisation electrode Flue gas temperature sensor...
  • Page 159 Designs Connection and wiring diagram – Internal… (cont.) dÖ Stepper motor for diverter valve a-Ö A Fan motor control Temperature limiter Only type B2KA: Ignition unit Flow switch a:Ö Modulation coil a-Ö Fan motor...

  • Page 160: Connection And Wiring Diagram - External Connections

    Designs Connection and wiring diagram – External connections Main PCB Burner control unit Power supply unit Programming unit Optolink Coding card...
  • Page 161 Designs Connection and wiring diagram – External… (cont.) Connection adaptor sÖ Internal circulation pump LON communication module Gas solenoid valve (Vitotronic 200) fÖ Power supply Internal extension H1 or H2 Power supply for accessories (accessories) and Vitotrol 100 ON/OFF switch a-Ö...

  • Page 162: Parts Lists

    Parts lists Ordering individual parts The following information is required: Standard parts are available from your ■ Serial no. (see type plate A) local dealer. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)

  • Page 163: Overview Of The Assemblies

    Parts lists Overview of the assemblies 0003 A Type plate C Heat cell assembly B Casing assembly with burner D Control unit assembly...

  • Page 164: Casing

    Parts lists Overview of the assemblies (cont.) E Hydraulic assembly F Miscellaneous assembly with Aqua-plate Casing 0001 Control unit support 0004 Fixing clip (2 pce) 0002 Front panel 0005 Safety guard 0003 Viessmann logo 0006 Diaphragm grommet DN 60...

  • Page 165: Heat Cell

    Parts lists Casing (cont.) 0006 0004 0001 0005 0003 0002 0003 0004 Heat cell 0001 Gasket DN 60 0003 Boiler flue connection plug 0002 Boiler flue connection 60/100 0004 Flue gasket...
  • Page 166 Parts lists Heat cell (cont.) 0005 Flue gas temperature sensor 0013 Cheese head screw M 6 x 16 0006 Heat exchanger (5 pce) 0007 Condensate hose 0014 Gas supply pipe 0008 O-ring 35.4 x 3.6 (5 pce) 0015 Gas pipe gasket 0009 Locking clip, condensate hose 0016 Diaphragm grommet Ø...
  • Page 167 Parts lists Heat cell (cont.) 0001 0005 0002 0001 0003 0003 0004 0018 0019 0017 0016 0006 0017 0015 0007 0012 0013 0010 0008 0014 0015 0009 0010 0011 0008 0009...

  • Page 168: Burner

    Parts lists Burner 0001 Burner gasket (wearing part) 0012 Ionisation electrode gasket 0002 Thermal insulation ring (5 pce) 0003 Cylinder burner gauze assembly 0013 Ignition electrode gasket (5 pce) 0004 Burner gauze assembly gasket 0014 Blade terminal 0005 Ignition electrode (wearing part) 0015 Mixture restrictor 0006 Ionisation electrode (wearing 0016 Gas nozzle...

  • Page 169: Hydraulics Type B2Ha

    Parts lists Burner (cont.) 0018 0004 0003 0002 0001 0001 0004 0018 0007 0012 0013 0015 0004 0010 0018 0013 0005 0013 0014 0011 0012 0006 0007 0012 0017 0019 0019 0016 0008 0009 0007 Hydraulics type B2HA 0001 Expansion vessel 0003 Connection line, expansion ves- 0002 Expansion vessel support...
  • Page 170 Parts lists Hydraulics type B2HA (cont.) 0004 Clip Ø 8 (5 pce) 0016 Hose clip DN 25 0005 Thermal circuit breaker 0017 Heating water return connection 0006 Gasket set A 10 x 15 x 1.5 pipe 0007 Temperature sensor 0018 Heating water return connection 0008 Air vent valve G 3/8 elbow 0009 Heat exchanger connection pipe...
  • Page 171 Parts lists Hydraulics type B2HA (cont.) 0002 0015 0011 0011 0016 0016 0017 0011 0001 0016 0006 0006 0007 0011 0003 0019 0004 0004 0006 0005 0023 0023 0008 0016 0004 0018 0011 0013 0016 0020 0011 0020 0021 0022 0010 0009 0008...

  • Page 172: Hydraulics Type B2Ka

    Parts lists Hydraulics type B2HA (cont.) Aqua-plate type B2HA 0001 Circulation pump motor 0007 DHW connection pipe 0002 Linear stepper motor 0008 Heating water return connection 0003 Return unit pipe 0004 Adaptor for stepper motor 0009 Locking pin Ø 18 (5 pce) 0005 Screw 50 x 14 (5 pce) 0006 Heating water flow connection pipe...
  • Page 173 Parts lists Hydraulics type B2KA (cont.) 0010 Drain hose 10 x 1.5 x 1500 0018 Heating water return connection 0011 O-ring 20.6 x 2.6 (set) elbow 0012 Diaphragm grommet 0019 Quick-action air vent valve G 3/8 0013 Plug-in connector retainer (set) 0020 Locking pin 0014 Pressure gauge 0021 Diaphragm grommet...
  • Page 174 Parts lists Hydraulics type B2KA (cont.) 0002 0015 0011 0011 0016 0016 0017 0011 0001 0016 0006 0006 0007 0011 0003 0019 0004 0004 0006 0005 0023 0023 0008 0016 0004 0018 0011 0013 0016 0020 0011 0020 0021 0022 0010 0009 0008...
  • Page 175 Parts lists Hydraulics type B2KA (cont.) Aqua-plate type B2KA 0001 Circulation pump motor 0015 Flow switch connection assem- 0002 Linear stepper motor 0003 Return unit 0016 Locking pin Ø 18 (5 pce) 0004 Adaptor for stepper motor 0017 Heating water flow connection 0005 Screw 50 x 14 (5 pce) pipe 0007 Flow switch...

  • Page 176: Control Unit

    Parts lists Control unit 0001 Control unit 0012 Power cable, stepper motor 0002 Control unit casing back panel 0013 Mating plug (set) 0003 Coding card 0014 Cable fixing 0004 Fuse 6.3 A (slow) (10 pce) 0015 Locking bolts, left and right 0005 Fuse holder 0017 Wireless outside temperature 0006 Programming unit for constant...

  • Page 177: Miscellaneous

    Parts lists Control unit (cont.) 0013 0002 0009 0008 0005 0009 0015 0020 0001 0003 0015 0021 0014 0005 0006 0004 0017 0015 0007 0018 0022 0010 0012 0019 0011 Miscellaneous 0001 Spray paint, Vitowhite 0005 Operating instructions for con- 0002 Touch-up paint stick, Vitowhite stant temperature mode 0003 Special grease...
  • Page 178 Parts lists Miscellaneous (cont.) 0003 0001 0002 0006 0004 0005...

  • Page 179: Commissioning/Service Reports

    Commissioning/service reports Commissioning/service reports Settings and actual values Set value Commis- Mainte- sioning nance/ Service Date Signature Static pressure mbar ≤ 57.5 ≤ 5.75 Supply pressure (flow pres- sure) = for natural gas E mbar 17.4-25 1.74-2.5 = for natural gas LL mbar 17.4-25 1.74-2.5...

  • Page 180: Specification

    Specification Specification Rated voltage 230 V Electronic tempera- Rated frequency 50 Hz ture limiter setting 82 °C Rated current Temperature limiter Safety category setting 100 °C (fixed) IP rating IP X 4 D to Backup fuse (power EN 60529 supply) max.
  • Page 181 Specification Specification (cont.) Combi boiler (type B2KA) Rated heating output range at T 50/30 °C 5.2 - 26 5.2 - 30 5.2 - 35 (8.8 - 26) (8.8 - 30) (8.8 - 35) at T 80/60 °C 4.7 - 24.1 4.7 - 27.8 4.7 - 32.2 (8.0 - 24.1)

  • Page 182: Certificates

    Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole respon- sible body that the product Vitodens 200-W, type B2HA and B2KA, complies with the following standards: DIN 4753 EN 60 335-1 EN 483 EN 60 335-2-102...

  • Page 183: Keyword Index

    Keyword index Keyword index Acknowledging a fault display..110 Fault codes........112 Actuator test........107 Fault history........110 Assembly.........162 Fault manager........57 Fault memory......110, 111 Fault messages, calling up....110 Boiler water temperature sensor..130 Faults..........110 Boosting DHW heating.....141 Fill function........151 Brief scans........102 Filling the system.......29 Burner gasket........41 Fill water..........29 Burner gauze assembly.....41 Flow limiter.........46...
  • Page 184 Keyword index Keyword index (cont.) Language selection......30 Safety chain ........135 LON............57 Screed drying........151 ■ Fault monitoring......58 Screed drying function.....151 ■ Setting subscriber numbers....57 Service, calling up......59 ■ Subscriber check......58 Service level, calling up....100 LON communication module....57 Service menu, calling up....100 Set room temperature selection..55 Siphon..........33, 43 Manufacturer's certificate ....182...
  • Page 188 Applicability Serial No.: 7454869 7454870 7454871 7454872 7454873 7454874 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...

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