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

125 and 150 kw wall mounted gas condensing boiler natural gas and lpg version
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VIESMANN
Installation and service
instructions
for contractors
Vitodens 200-W
Type B2HA, 125 and 150 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 200-W
Please keep safe.
5623 520 GB
6/2012

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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, 125 and 150 kW Wall mounted gas condensing boiler Natural gas and LPG version For applicability, see the last page VITODENS 200-W Please keep safe. 5623 520 GB 6/2012...
  • Page 2 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 ■ When using gas as fuel, also close the For replacements, use only orig- main gas shut-off valve and safeguard inal spare parts from Viessmann against unauthorised reopening. or those which are approved by ■ Isolate the system from the power sup- Viessmann.

  • Page 4: Table Of Contents

    Index Index Installation instructions Preparing for installation Product information....................Preparing for installation..................Installation sequence Fitting the boiler and making connections............Heating water side connection................13 Flue gas connection..................... 13 Condensate connection..................14 Gas connection....................15 Opening the control unit casing................15 Electrical connections...................
  • Page 5 Index Index (cont.) Troubleshooting Fault display......................117 Fault codes......................119 Repair........................135 Function description Constant temperature control unit................ 143 Weather-compensated control unit..............144 Internal extensions (accessories)................. 145 External extensions (accessories)................ 148 Control functions....................152 Assigning heating circuits to the remote control........... 160 Electronic combustion control unit................

  • Page 6: Preparing For Installation

    For conversion to LPG P (without conversion kit), see page 37. Conversion for other countries The Vitodens 200-W should generally only be delivered to those countries specified on the type plate. For deliveries to alternative countries, an approved contractor, on his own initiative, must arrange individual approval in accordance with the law of the land.

  • Page 7: Preparing For Installation

    Preparing for installation Preparing for installation Dimensions and connections Please note install all pipework free of load To prevent equipment damage, and torque stresses. 165.5 165.5 A Safety valve D Cylinder flow 7 42 mm B Expansion vessel connection G1 E Gas connection R 1 C Boiler flow 7 54 mm F Cylinder return 7 42 mm...
  • Page 8 Preparing for installation Preparing for installation (cont.) G Boiler return 7 54 mm N Recommended dimension (single boiler system without mounting H Connection sets (accessories, shown without the thermal insula- frame) O Recommended dimension (multi tion supplied) boiler system and single boiler sys- K Cable entry area at the back tem with mounting frame) L Without connection set (accesso-...

  • Page 9: Installation Sequence

    Installation sequence Fitting the boiler and making connections Removing boiler from packaging and levelling 1. Remove packing cushions and keep 3. Remove front panel. them safe. They are used as a support during 4. Push packing cushions onto the levelling. underside of the boiler.
  • Page 10 Installation sequence Fitting the boiler and making connections (cont.) A 7 9 mm drilled holes for attaching lifting gear Please note To prevent damage, do not level boiler without packing cushions. Level boiler with pallet.
  • Page 11 Installation sequence Fitting the boiler and making connections (cont.) Fitting the wall mounting bracket Note The enclosed screws and rawl plugs are only suitable for concrete. For other con- struction materials, use fixings that are suitable for 145 kg loads. Ø...
  • Page 12 Installation sequence Fitting the boiler and making connections (cont.) Hooking the boiler into the wall mounting bracket and levelling...

  • Page 13: Heating Water Side Connection

    Residual water may escape when undo- ing the locking caps. Flue gas connection Note The labels "System certificate" and "Sko- berne GmbH flue system" enclosed with the technical documentation may only be used in conjunction with the Viessmann flue system made by Skoberne.

  • Page 14: Condensate Connection

    Installation sequence Flue gas connection (cont.) 1. Only for open flue operation: Remove outer gasket A (ventilation air). 2. Connect flue pipe or flue ventilation air pipe. Flue system installation instruc- tions. Condensate connection Connect the condensate hose with a constant fall and a pipe vent to the public sewage system or to a neutralising sys- tem.

  • Page 15: Gas Connection

    Installation sequence Gas connection 2. Carry out a tightness test. Note Only use suitable and approved leak detecting agents (EN 14291) and devices for the tightness test. Leak detection agents with unsuitable con- stituents (e.g. nitrites, sulphides) can cause material damage. Remove residues of the leak detec- tion agent after testing.
  • Page 16 Installation sequence Opening the control unit casing (cont.) 2. 2x...

  • Page 17: Electrical Connections

    Installation sequence Electrical connections A Radio clock receiver D Vitotrol 100 UTA (only for constant B Heating circuit pump or boiler circuit temperature control) pump C Vitotrol 100 UTDB (only for constant Vitotrol 100 UTDB-RF radio clock temperature control) receiver When making this connection, When making this connection, remove jumper between "1"...
  • Page 18 Installation sequence Electrical connections (cont.) Connections at plug 230 V~ Cylinder temperature sensor (part sÖ Boiler circuit pump or heating circuit of the DHW cylinder connection pump, variable speed with 0 - 10 V set) aVG KM BUS subscriber (accessory) connection sA Circulation pump, optional connec- ■...

  • Page 19: External Demand Via Switching Contact

    Installation sequence Electrical connections (cont.) Circulation pump at plug sA: Rated current 2(1) A~ Rated voltage 230 V~ Set function of connected component in coding address "39" Function Code DHW circulation pump 39:0 Heating circuit pump for 39:1 heating circuit without mixer Circulation pump for cylinder 39:2 heating (delivered condi-...
  • Page 20 Installation sequence Electrical connections (cont.) Plug lH Extension EA1 A Floating contact A Floating contact B Extension EA1 When making this connec- tion, remove jumper be- tween 1 and L. Burner operation is load-dependent if the contact is closed. The boiler water is heat- ed to the value set in coding address "9b"...

  • Page 21: 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 22: Outside Temperature Sensor

    Installation sequence Electrical connections (cont.) Plug lH Extension EA1 A Floating contact A Floating contact B Extension EA1 When making this connection, re- move jumper between 1 and L. The burner is switched off if this contact is closed. The heating circuit pump and circulation pump for cylinder heating are switched according to the set code (see the following table "Codes").
  • Page 23 Installation sequence Electrical connections (cont.) Fitting location for outside tempera- ■ Not immediately below balconies or ture sensor gutters ■ Never render over ■ North or north-westerly wall, 2 to 2.5 m above ground level; in multi Outside temperature sensor connec- storey buildings, in the top half of the tion second floor...
  • Page 24 Installation sequence Electrical connections (cont.) Connection of accessories Power supply of all accessories via the boiler control unit Some accessories with direct power supply A Boiler control unit D Extension AM1, EA1 and/or solar control module, type SM1 B Extension kit for heating circuit with E ON/OFF switch mixer M2 C Extension kit for heating circuit with...
  • Page 25 Installation sequence Electrical connections (cont.) Power supply fÖ Danger ■ Install an isolator in the power cable Incorrect core allocation can which simultaneously separates all result in serious injury and dam- non-earthed conductors from the age to the appliance. mains with contact separation of at Take care not to interchange least 3 mm.

  • Page 26: Routing The Connecting Cables

    Installation sequence Electrical connections (cont.) Routing the connecting cables Please note If connecting cables touch hot components they will be damaged. When routing and securing connecting cables on site, ensure that the maxi- mum permissible temperatures for these cables are not exceeded. A Low voltage connections F Cable grommet for power cable B 230 V connections...

  • Page 27: 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- rately) into the control unit support. Note The programming unit can also be housed in a wall mounting base (acces- sory) near the boiler. Wall mounting base installation instructions...

  • Page 28: 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. Opening the boiler............30 • 2. Filling the heating system..........31 •...
  • Page 29 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 21. Cleaning the combustion chamber/heat exchanger and installing the burner..........47 • • 22. Checking the condensate drain and cleaning the siphon................48 •...

  • Page 30: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Opening the boiler...

  • Page 31: Filling The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 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 32: Selecting The Language (If Necessary) - Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Check the pre-charge pressure of the diaphragm expansion vessel. 2. Close the gas shut-off valve. 3. Connect the supply hose to boiler drain & fill valve A. 4. Fill the heating system via boiler drain &...

  • Page 33: Setting The Time And Date (If Required) - Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the time and date (if required) - only for weather-com- pensated control units During commissioning, or after pro- 4. Set current time and date. longed time out of use, the time and date need to be reset.

  • Page 34: Venting The Boiler

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close the shut-off valves on the heat- 5. Close taps A and B, open the shut- ing water side. off valves on the heating water side. 2.

  • Page 35: Venting The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the heating system 1. Close the gas shut-off valve and 3. Check the system pressure. switch the control unit ON. 2. Activate venting program (see next steps). Note For function and sequence of the venting program, see page 154.

  • Page 36: Designating Heating Circuits - Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 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 1", "Heating circuit 2" and "Heating cir- Operating instructions cuit 3"...

  • Page 37: Code

    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. Switch ON/OFF switch "8" on. 3. Select the gas type in coding address "82": ■...
  • Page 38 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ignition Fault EE Check the ignition module (control voltage 230 V across plugs "X2.1" and "X2.2") Gas train opens Fault EE Check the gas train (control voltage 230 V); check the gas supply pres- sure Ionisation current...

  • Page 39: Checking The Static And Supply Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Automatic calibra- Fault E3 Ensure adequate tion of the com- heat transfer. bustion controller Press reset button Fault Eb Check gap be- tween ionisation electrode and burner gauze as- sembly. Check allocation of gas type (coding address 82, gas...
  • Page 40 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Close the gas shut-off valve. 2. Undo screw A inside test nipple "PE" on the gas train, but do not remove it, and connect the pressure gauge. 3. Open the gas shut-off valve. 4.

  • Page 41: Maximum Output Setting

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Danger Gas escaping from the test nipple leads to a risk of explo- sion. Check for gas tightness. Open the gas shut-off valve, start the boiler and check for tightness at test nipple A.

  • Page 42: Checking The Balanced Flue System For Tightness (Annular Gap Check)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Select "3" with Ú and confirm with 3. Select required value and confirm with OK. A value flashes on the display (e.g. "85") and "A" appears. In the deliv- ered condition, this value represents 100 % of rated heating output.

  • Page 43: Removing The Burner And Checking The Burner Gasket

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Removing the burner and checking the burner gasket 1. Switch OFF the main power supply 5. Pull cables from fan motor C, gas and the ON/OFF switch at the control train D, ignition unit E and ionisa- unit.

  • Page 44: Checking The Burner Gauze Assembly & Replacing If

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 8. Check burner gasket K for damage. Replace gasket if required. Checking the burner gauze assembly & replacing if required 1. Remove electrodes A. 3. Undo four Torx screws D and remove burner gauze assembly E 2.

  • Page 45: Checking The Flue Gas Non-Return Device

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Insert new burner gauze assembly 5. Refit thermal insulation ring C and E with new gasket F and secure electrodes A. with four Torx screws. Torque: 4.0 Nm Checking the flue gas non-return device 1.

  • Page 46: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 5. Refit fan A and secure with three 3. Check the damper and gasket for dirt and damage. Replace as neces- screws. sary. Torque: 3.0 Nm. 4. Refit flue gas non-return device B. Checking and adjusting the ignition and ionisation electrodes ±1 A Ignition electrodes...

  • Page 47: Cleaning The Combustion Chamber/Heat Exchanger And Installing The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the combustion chamber/heat exchanger and installing the burner Please note 2. If necessary, spray slightly acidic, Scratches on parts that are in chloride-free cleaning agents based contact with flue gas can lead on phosphoric acid onto heat to corrosion.

  • Page 48: Checking The Condensate Drain And Cleaning The Siphon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the gas connections for tight- 7. Connect the electrical cables/leads to ness. the corresponding components. Danger Escaping gas leads to a risk of explosion. Check all fittings for gas tight- ness.

  • Page 49: Checking Firm Seating Of Electrical Connections 27. Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. If the pre-charge pressure of the dia- 3. Top up with water until the charge phragm expansion vessel is lower pressure of the cooled system is 0.1 than the static system pressure, top to 0.2 bar higher than the pre-charge up with nitrogen until the pre-charge pressure of the diaphragm expansion...
  • Page 50 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 49. 5. Enter actual values into the report. 6.

  • Page 51: Matching The Control Unit To The Heating System

    System version 1 One heating circuit without mixer A1, with/without DHW heating, with low loss header ID: 4605139_1103_02 1 Vitodens 200-W 4 Circulation pump for cylinder heat- 2 Outside temperature sensor (only 5 DHW cylinder for weather-compensated control units)
  • Page 52 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) qP Flow temperature sensor, low loss header Function/system components Code Adjust Group Operation with LPG 82:1 "General"/1 System with low loss header and without DHW circu- lation pump: Heating circuit pump A1 connection at internal exten- 53:2 "General"/1 sion H1 or H2 System with low loss header and with DHW circula-...
  • Page 53 (cont.) System version 2 One heating circuit with mixer M2, with/without DHW heating, with low loss header ID: 4605140_1103_02 1 Vitodens 200-W 9 Flow temperature sensor M2 2 Outside temperature sensor qP Heating circuit pump M2 3 Boiler circuit pump...
  • Page 54 "Boiler" System version 3 One heating circuit with mixer M2, with system separation, with/without DHW heating ID: 4605141_1103_02 1 Vitodens 200-W 4 Circulation pump for cylinder heat- 2 Outside temperature sensor 5 DHW cylinder 3 Boiler circuit pump 6 Cylinder temperature sensor...
  • Page 55 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 7 Heating circuit with mixer M2 (heat- qP Heating circuit pump M2 ing circuit 2) qQ Heat exchanger for system separa- 8 Temperature limiter to restrict the tion maximum temperature of underfloor qW Extension kit for one heating circuit heating systems with mixer M2...
  • Page 56 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: 4605142_1103_02 1 Vitodens 200-W qW Extension kit for one heating circuit 2 Outside temperature sensor with mixer M2...
  • Page 57 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 heating circuit with mixer (without unregulated heating circuit) ■...

  • Page 58: Adjusting The Heating Curves (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1 Vitodens 200-W qW Heating circuit with mixer M3 (heat- ing circuit 3) 2 Vitotronic 300-K qE Temperature limiter to restrict the 3 Outside temperature sensor maximum temperature of underfloor...
  • Page 59 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 60 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 61: Connecting The Control Unit To The Lon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Connecting the control unit to the LON The LON communication module must Note be plugged in. In the LON system, the same subscriber number cannot be allocated twice. Note Only one Vitotronic may be program- The data transfer via the LON can take med as fault manager.

  • Page 62: Calling Up And Resetting The "Service" Display

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Carrying out a LON subscriber check 3. "Subscriber check" The subscriber check is used to test 4. Select subscriber (e.g. subscriber communication with the system devices 10). connected to the fault manager. The subscriber check for the selected subscriber is initiated.
  • Page 63 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) After a service has been carried out Constant temperature control unit (resetting service) Reset code 24:1 in group "2" to 24:0. Weather-compensated control unit Note 1. Press OK and å simultaneously The selected service parameters for hours run and interval restart at 0.

  • Page 64: Fitting The Front Panel

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Fitting the front panel Note Ensure the locking screws are fitted before operating.

  • Page 65: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Instructing the system user The system installer should hand the operating instructions to the system user and instruct the user in operating the system.

  • Page 66: Calling Up Coding Level 1

    Code 1 Calling up coding level 1 Calling up coding level 1 Note 4. Select coding address. ■ On weather-compensated control units, codes are displayed as plain 5. Select value according to the follow- text. ing tables and confirm with OK. ■...

  • Page 67: General/Group "1

    Code 1 Calling up coding level 1 (cont.) 5. Set value according to the following 6. If you want to reset all codes to tables with V/v and confirm with their delivered condition: Select "7" with Ú and confirm with When "...
  • Page 68 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 69 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 70: Boiler/Group "2

    Code 1 Boiler/group "2" Select "Boiler" for weather-compensated control units (see page 66). Select "2" for constant temperature control units (see page 66). Coding Coding in the delivered condition Possible change Single/multi boiler system 01:1 Single boiler system (only 01:2 Multi boiler system with for constant temperature Vitotronic 300-K...

  • Page 71: Solar/Group "4

    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 72 Code 1 Solar/group "4" (cont.) Coding Coding in the delivered condition Possible change Speed control solar circuit pump 02:0 Solar circuit pump is not 02:1 Solar circuit pump is speed-controlled. speed-controlled with wave packet control. 02:2 Solar circuit pump is speed-controlled with PWM control.

  • Page 73: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5

    Code 1 Solar/group "4" (cont.) Coding in the delivered condition Possible change Extended solar control functions 20:0 No extended control func- 20:1 Additional function for tion enabled. DHW heating. 20:2 Differential temperature control 2. 20:3 Differential temperature control 2 and auxiliary func- tion.
  • Page 74 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding Coding in the delivered condition Possible change Priority DHW heating A2:2 Cylinder priority applica- A2:0 Without cylinder priority ap- ble to heating circuit plied to heating circuit pump and mixer pump and mixer A2:1 Cylinder priority only appli-...
  • Page 75 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Extended economy function adjusted outside temperature A6:36 Extended economy func- A6:5 Extended economy func- tion disabled (only for tion enabled, i.e. the burner weather-compensated A6:35 and heating circuit pump...
  • Page 76 Code 1 Heating circuit 1, heating circuit 2, heating… (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...
  • Page 77 Code 1 Heating circuit 1, heating circuit 2, heating… (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-...
  • Page 78 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Pump control in only DHW mode F6:25 In the "Only DHW" oper- F6:0 In the "Only DHW" operat- ating mode, the circula- ing mode, the circulation tion pump in the heating pump in the heating circuit circuit connection set is...
  • Page 79 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Set flow temperature increase FA:20 Raising the set boiler wa- FA:0 Temperature rise adjusta- ter temperature or the set ble from 0 to 50 % flow temperature when FA:50 changing from operation...

  • Page 80: Calling Up Coding Level 2

    Code 2 Calling up coding level 2 Calling up coding level 2 Note 4. Select group of required coding ■ At coding level 2, all codes are acces- address: sible, including the codes at coding ■ "General" level 1. ■ "Boiler" ■...

  • Page 81: General/Group "1

    Code 2 Calling up coding level 2 (cont.) 4. Select the group for the required cod- 6. Set value according to the following ing address with V/v: tables with V/v and confirm with 1: "General" 2: "Boiler" 3: "DHW" 7. If you want to reset all codes to 4: "Solar"...
  • Page 82 Code 2 General/group "1" (cont.) Value System Description address version 00: ... One heating circuit without mixer A1 (heating circuit 1) and one heating circuit with mixer M2 (heating circuit 2), with DHW heating (code is adjusted automatically) 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...
  • Page 83 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 33:2 Function output A1: Circu- lation pump for cylinder heating 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-...
  • Page 84 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 3A:6 Function input DE1: Brief operation, DHW circulation pump (pushbutton func- tion). DHW circulation pump run- time adjustment: Coding address 3d 3b:0 Function input DE2 at ex- 3b:1 Function input DE2: Heat- tension EA1: Not as- ing program - changeover...
  • Page 85 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 3C:2 Function input DE3: Exter- nal demand with set flow temperature. Flow temperature setting: Coding address 9b. Internal circulation pump function: Coding address 3C:3 Function input DE3: Exter- nal blocking.
  • Page 86 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 3F:2 Boiler circuit pump is star- ted on "External demand" signal 4b:0 Function input lH: Room 4b:1 External demand thermostat (Vitotrol 100) 4b:2 External blocking for constant temperature control 51:0 System with low loss...
  • Page 87 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 54:3 With solar control module SM1 without auxiliary func- tion (automatic recogni- tion) 54:4 With solar control module SM1 with auxiliary function, e.g. central heating backup (automatic recognition) 6E:50 No correction of meas- 6E:0...
  • Page 88 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 7b:1 With LON communication 7b:0 Does not transmit time module: Control unit transmits the time (only for weather-compensa- ted control units) 7F:1 Detached house (only for 7F:0 Apartment building weather-compensated Separate adjustment of control units)
  • Page 89 Vitotronic 200-H (only for weather-com- pensated control units) 98:1 Viessmann system num- 98:1 System number adjustable ber (in conjunction with from 1 to 5 monitoring several sys- 98:5...

  • Page 90: Boiler/Group "2

    Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change If a subscriber fails to re- 9C:60 spond, the values speci- fied inside the control unit will be used after 20 min. Only then will a fault mes- sage be issued.
  • Page 91 Code 2 Boiler/group "2" (cont.) Coding in the delivered condition Possible change 08:... Maximum burner heating 08:0 Maximum burner heating output in kW in the case output adjustable from 0 to of a multi boiler system 08:199 199 kW (limited by boiler- specific parameters) in steps of 1 kW 0d:0...

  • Page 92: Dhw/Group "3

    Code 2 DHW/group "3" Select "DHW" for weather-compensated control units (see page 80). Select "3" for constant temperature control units (see page 80). Coding Coding in the delivered condition Possible change 56:0 Set DHW temperature 56:1 Set DHW temperature ad- adjustable from 10 to justable from 10 to over 60 °C...
  • Page 93 Code 2 DHW/group "3" (cont.) Coding in the delivered condition Possible change 60:20 During DHW heating, the 60:5 The differential between boiler water temperature the boiler water tempera- is max. 20 K higher than 60:25 ture and the set DHW tem- the set DHW tempera- perature is adjustable from ture...

  • Page 94: Solar/Group "4

    Code 2 DHW/group "3" (cont.) Coding in the delivered condition Possible change 73:0 DHW circulation pump: 73:1 "ON" from once per hour "ON" in accordance with for 5 min up to 6 times per the time program (only for 73:6 hour for 5 min during the weather-compensated time program...
  • Page 95 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 96 Solar/group "4" (cont.) Coding in the delivered condition Possible change 0E:1 Heat statement in con- 0E:2 Never adjust. junction with Viessmann 0E:0 No heat statement. heat transfer medium. 0F:70 Solar circuit flow rate at 0F:1 Flow rate adjustable from the maximum pump 0.1 to 25.5 l/min.
  • Page 97 Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change 20:6 Thermostat function and auxiliary function. 20:7 Solar heating via external heat exchanger without ad- ditional temperature sen- sor. 20:8 Solar heating via external heat exchanger with addi- tional temperature sensor.

  • Page 98: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5

    Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change The DHW cylinder with- out priority is heated at most for the duration of the set alternate heating time if the DHW cylinder with priority is heated up. 28:3 Alternate pause time 28:1...
  • Page 99 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change A2:3 Reduced priority applied to mixer (the heating circuit A2:15 receives a reduced amount of energy) A3:2 Outside temperature be- A3:-9 Heating circuit pump "ON/ low 1 °C: Heating circuit OFF"...
  • Page 100 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Note "Important" observe for code "A3". A5:5 With heating circuit pump A5:0 Without heating circuit logic function (economy pump logic function mode): Heating circuit A5:1 With heating circuit pump pump "OFF"...
  • Page 101 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change A6:36 Extended economy func- A6:5 Extended economy func- tion disabled (only for tion enabled, i.e. the burner weather-compensated A6:35 and heating circuit pump control units) will stop and the mixer close at a variable value,...
  • Page 102 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change 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 103 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter ad- With heating circuit pump logic function: dress b5:... Heating circuit pump "OFF" Heating circuit pump "ON" > RT - 1 K < RT - 2 K actual actual >...
  • Page 104 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change d7:2 Heating circuit pump starts at signal "External de- mand" (subject to coding addresses 3A, 3b and 3C) d8:0 No heating program d8:1 Heating program change- changeover via extension over via input DE1 at ex-...
  • Page 105 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change F6:25 In "Only DHW" operating F6:0 In "Only DHW" operating mode, the boiler circuit mode, the boiler circuit pump is permanently on pump is permanently off (only for constant temper- F6:1 In "Only DHW"...
  • Page 106 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change FA:50 Fb:30 Duration for raising the Fb:0 Duration adjustable from 0 set boiler water tempera- to 300 min; 1 step ≙ 2 min) ture or the set flow tem- Fb:150 perature (see coding ad-...

  • Page 107: Diagnosis And Service Scans

    Diagnosis and service scans Calling up the service level Weather-compensated control unit Press OK and å simultaneously for approx. 4 s. Service menu overview Service General Diagnosis Heating circuit 1 Heating circuit 2 Actuator test Heating circuit 3 Coding level 1 Solar Brief scan Coding level 2...

  • Page 108: Diagnosis

    Diagnosis and service scans Calling up the service level (cont.) Exiting the service level 3. Confirm with OK. 1. Select "Serv" 7 with Ú. Note The service level is automatically exi- ted after 30 min. 2. Confirm with OK. "OFF" flashes. Diagnosis Calling up operating data ■...

  • Page 109: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) Constant temperature control unit Operating instructions, chapter "Calling up information" Resetting operating data Saved operating data (e.g. hours run) 3. "Reset data" can be reset to 0. The value "Adjusted outside temp" is 4. Select required value (e.g. "Burner reset to the actual value.
  • Page 110 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 scheme 01 Software version Software version to 10 Control unit Programming unit Appliance version Device identification ZE-ID...
  • Page 111 Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Heating circuit A1 Heating circuit M2 Heating circuit M3 (without mixer) (with mixer) (with mixer) Remote Software Remote Software Remote Software control version control version control version Re- 0: without Remote 0: with- Remote...
  • Page 112 Diagnosis and service scans Diagnosis (cont.) Constant temperature control unit 3. Select the required scan with V/v. For example, "b" for "Max. output" 1. Press OK and å simultaneously (see following table): for approx. 4 s. "Ü" flashes on the display. 4.
  • Page 113 Diagnosis and service scans Diagnosis (cont.) Brief scan Display Version Version Appliance Burner control unit Software Software version Software version Burner control unit version Solar con- Cascade trol mod- module ule, type Code 53 Internal details for calibration setting Extension AM1 Software Output A1 Output A1...

  • Page 114: Checking Outputs (Relay Test)

    Diagnosis and service scans Diagnosis (cont.) Brief scan Display Solar cen- Output 22 tral heating switching backup state 0: Disabled 0: OFF 1: Enabled 1: ON Open Therm extension (if installed) Software DHW heat- External hook-up 0 - 10 V version ing status Display in %...

  • Page 115: Constant Temperature Control Unit

    Diagnosis and service scans Checking outputs (relay test) (cont.) Display Explanation Mixer HC3 Open "Mixer open" output enabled (extension to heating circuit with mixer) Mixer HC3 Close "Mixer close" output enabled (extension to heating circuit with mixer) Outp. int. exten. Output at internal extension enabled AM1 output 1 Output A1 at extension AM1 enabled...
  • Page 116 Diagnosis and service scans Checking outputs (relay test) (cont.) Display Explanation Solar circuit pump output on solar control module SM1 switched to minimum speed Solar circuit pump output on solar control module SM1 switched to maximum speed Output sS on solar control module SM1 active Contact P - S at plug aBJ of extension EA1 closed Output A1 at extension AM1 enabled Output A2 at extension AM1 enabled...

  • Page 117: 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 and "Fault" is shown. Select "Fault" in the standard menu. The current faults will be displayed in a list.
  • Page 118 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. If an acknowledged fault is not remedied, (subject to the type of fault) "...

  • Page 119: Fault Codes

    Troubleshooting Fault codes Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Regulates as if Short circuit, Check outside tem- the outside outside tem- perature sensor temperature perature sen- (see page 135). were 0 °C Regulates as if Lead break, Check outside tem- the outside...
  • Page 120 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner blocked Flow sensor 2 Replace sensor faulty (see page 138). Burner blocked Differential Clean heat ex- flow rate too changer by flush- large ing.
  • Page 121 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Mixer closes Lead break, Check flow temper- flow tempera- ature sensor (see ture sensor, page 142). heating circuit 2 (with mixer) Mixer closes Lead break, Check flow temper- flow tempera- ature sensor (see...
  • Page 122 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. Check sensor aÖ Control mode Lead break, temperature on solar control sensor aÖ...
  • Page 123 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Max. system Check system pressure ex- pressure (max. ceeded system pressure 6 bar). Check the function and sizing of the di- aphragm expan- sion vessel.
  • Page 124 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Mixer regulates Communica- Check extension to 20°C flow tion error, ex- kit connections and temperature tension kit for code. heating circuit 3 (with mixer) Control mode Communica- Check connec-...
  • Page 125 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 heat- "Heating circuit" ing circuit 2 group and remote (with mixer) control unit setting.
  • Page 126 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Incorrect Replace LON com- LON commu- munication mod- nication mod- ule. Control mode Communica- Check connec- tion fault, ex- tions. tension EA1 Control mode Communica- Check solar control...
  • Page 127 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Input DE3 re- Remove fault at ports a fault at appliance con- extension cerned. Control mode Short circuit, Check room tem- without room room temper- perature sensor, influence...
  • Page 128 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Fault external Check connections LON sub- and LON subscrib- scriber ers. Burner in a fault Ionisation Check gap be- state current too tween ionisation high during electrode and...
  • Page 129 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 46) ■...
  • Page 130 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 mode, (deviation...
  • Page 131 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame signal Check gas supply state is not present (gas pressure and or too weak at gas flow limiter). burner start Check gas train.
  • Page 132 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 limiter). built (during Check flue gas/ the safety ventilation air sys- time)
  • Page 133 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 Boiler water Replace boiler wa- state...
  • Page 134 Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Boiler coding Insert the boiler state and addi- card is miss- coding card. tional fault b7 is Press reset button displayed Replace control unit if fault per-...

  • Page 135: Repair

    Troubleshooting Repair Checking the outside temperature sensor (weather-compensa- ted control unit) 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 test on the sensor itself.
  • Page 136 Troubleshooting Repair (cont.) Checking the boiler water temperature sensors, cylinder tem- perature sensor or flow temperature sensor for the low loss header § d{]...
  • Page 137 Troubleshooting Repair (cont.) 1. ■ Boiler water temperature sen- sors Remove lead to boiler water tem- perature sensor § or §A and check the resistance. ■ Cylinder temperature sensor Pull plug % from the cable har- ness at the control unit and check the resistance.
  • Page 138 Troubleshooting Repair (cont.) Replacing the flow rate sensor Note 3. Undo screws and remove faulty flow In the event of a fault, both sensors need rate sensor A. to be replaced. 4. Install new flow rate sensor A and 1. Drain the boiler on the heating water secure with the screws.
  • Page 139 Troubleshooting Repair (cont.) Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas temperature is exceeded. Reset the interlock after the flue system has cooled down by pressing reset button R. 1.
  • Page 140 Troubleshooting Repair (cont.) 1. Check whether the flue gas temper- 3. Press reset button R and repeat com- ature sensor is correctly inserted. missioning. See previous diagram. The check is repeated until it is com- pleted successfully. 2. If necessary, correct the position of the flue gas temperature sensor or replace faulty flue gas temperature sensor.
  • Page 141 Troubleshooting Repair (cont.) Extension kit for heating circuit with mixer Checking the setting of rotary selec- Note the rotational direction of the mixer tor S1 motor during its self-test. Then set the mixer manually to "Open". The rotary selector on the PCB of the extension kit defines the assignment to Note the relevant heating circuit.
  • Page 142 Troubleshooting Repair (cont.) 3. Refit the casing cover. Check flow temperature sensor Pressure drop curve 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ 1. Pull plug ? (flow temperature sen- 2. Check the sensor resistance and sor).

  • Page 143: 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 144: Weather-Compensated Control Unit

    Function description Weather-compensated control unit 21°C 14°C Boiler temperature 48 °C Heating mode The control unit determines a set boiler The electronic temperature limiter inside water temperature subject to outside the burner control unit limits the boiler temperature or room temperature (if a water temperature.

  • Page 145: Internal Extensions (Accessories)

    Function description Weather-compensated control unit (cont.) Boosting DHW heating This function is activated by specifying a Heating is boosted during the periods second set DHW temperature via coding selected in this time phase. address 58 in group "DHW" and activat- ing the fourth DHW phase for DHW heat- ing.

  • Page 146: Internal Extension H2

    Function description Internal extensions (accessories) (cont.) 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 147 Function description Internal extensions (accessories) (cont.) 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 148: External Extensions (Accessories)

    Function description External extensions (accessories) Extension AM1 Circulation pump fÖ A Power supply for additional Circulation pump accessories fÖ Power supply aVG KM BUS...
  • Page 149 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 150: Extension Ea1

    Function description External extensions (accessories) (cont.) Extension EA1 fÖ A Power supply for additional Fuse 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 151 Function description External extensions (accessories) (cont.) Digital data inputs DE1 to DE3 The effect of the heating program changeover is selected via coding The following functions can be connec- address d5 in the "Heating circuit" ted alternatively: group. ■ External heating program changeover The duration of the changeover is set via for each heating circuit coding address F2 in the "Heating cir-...

  • Page 152: 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 taken as "no default for set boiler ■...
  • Page 153 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 154 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 respective heating cir- pump is selected in coding address cuit pump is selected in coding address "3E"...
  • Page 155 Function description Control functions (cont.) When screed drying is activated, the The various temperature profiles can be heating circuit pump of the mixer circuit set via coding address "F1" in the "Heat- is switched on and the flow temperature ing circuit" group. is held in accordance with the selected The function continues after power fail- profile.
  • Page 156 Function description Control functions (cont.) Temperature profile 3: Code "F1:3" Days Temperature profile 4: Code "F1:4" Days Temperature profile 5: Code "F1:5" Days...
  • Page 157 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 158 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 159 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 160: Assigning Heating Circuits To The Remote Control

    Function description Assigning heating circuits to the remote control The assignment of heating circuits must be configured during remote control commissioning. Remote control affects the following heat- Configuration ing circuit Vitotrol 200A Vitotrol 300A Vitotrol 200 RF Vitotrol 300 RF Heating circuit without mixer A1 Heating circuit 1 Heating circuit with mixer M2...
  • Page 161 Function description Electronic combustion control unit (cont.) To check the combustion quality, the content or the O content of the flue gas is measured. The prevailing air ratio is determined with the measured values. The relationship between the CO or O content and air ratio λ...

  • Page 162: Designs

    Designs Connection and wiring diagram – internal connections X... Electrical interfaces Ignition unit § (A/B) Boiler water temperature sen- a-Ö Fan motor a-Ö A Fan motor control Ionisation electrode a:Ö Modulation coil Flue gas temperature sensor Flow rate sensor...

  • Page 163: 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 164 Designs Connection and wiring diagram – external… (cont.) sÖ Connection adaptor Heating circuit pump or boiler cir- LON communication module or cuit pump cascade communication module Circulation pump for cylinder heat- Internal extension (accessories) ON/OFF switch DHW circulation pump Reset button Gas solenoid valve X...

  • Page 165: Parts Lists

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

  • Page 166: Overview Of The Assemblies

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

  • Page 167: Casing Assembly

    Overview of the assemblies (cont.) E Hydraulic assembly F Miscellaneous Casing assembly 0001 Fixing clip (2 pce) 0005 Siphon grommet 0002 Viessmann logo 0006 Wall mounting bracket 0003 Safety guard 0007 Cover panel 0004 Control unit support 0008 Front panel 0006...

  • Page 168: Heat Cell Assembly

    Parts lists Heat cell assembly 0001 Diaphragm grommet Ø 110 0009 Gas supply pipe 0002 Lip seal Ø 150 0010 Connection pipe 0003 Lip seal Ø 110 0011 Gasket G1 (5 pce) 0004 Boiler flue connection plug 0012 Condensate drain set 0005 Flue gas temperature sensor 0013 Gasket G1¼...

  • Page 169: Burner Assembly

    Parts lists Burner assembly 0001 Ignition electrode gasket (5 pce) 0008 Flue gas non-return device 0002 Gasket, ionisation electrode 0009 Ionisation electrode (5 pce) 0010 Cylinder burner gauze assembly 0003 Radial fan 0011 Adapter flange 0004 Gas train 0012 Ignition unit 0005 Burner gasket 0013 Ignition electrode block 0006 Burner door...

  • Page 170: Control Unit Assembly

    Parts lists Hydraulic assembly (cont.) 0001 0001 0002 0001 0001 0004 0004 0003 0001 Control unit assembly 0001 Control unit 0009 Adaptor PCB 0002 Control unit casing rear panel 0010 Cable harness X8/X9/ionisation 0003 Coding card 0011 Cable harness 100/35/54/earth 0004 Fuse 6.3 A slow (10 pce) 0013 Mating plug 0005 Locking handle...

  • Page 171: Miscellaneous

    Parts lists Control unit assembly (cont.) 0002 0008 0009 0009 0004 0005 0015 0001 0003 0020 0015 0014 0005 0006 0004 0015 0018 0007 0017 0010 0011 0013 Miscellaneous 0001 Operating instructions for 0003 Installation and service instruc- weather-compensated mode tions 0002 Operating instructions for con- 0004 Spray paint, Vitowhite...
  • Page 172 Parts lists Miscellaneous (cont.) 0004 0005 0003 0002 0001...

  • Page 173: Commissioning/Service Reports

    Commissioning/service reports Setting and actual values Set value Commis- Mainte- sioning nance/ Service Date Signature ≤ 57.5 Static pressure mbar Supply pressure (flow pres- sure) = for natural gas E mbar 17.4-25 = for natural gas LL mbar 17.4-25 = for LPG mbar 42.5-57.5 Tick gas type...

  • Page 174: Specification

    Specification Specification Rated voltage: 230 V~ Electronic tempera- Rated frequency: 50 Hz ture limiter setting: 82 °C (fixed) Rated current: 6.0 A Backup fuse (power Safety category: supply): max. 16 A IP X 4 D to IP rating: EN 60529 Permissible ambient temperature ■...

  • Page 175: Certificates

    Certificates Declaration of conformity Declaration of Conformity for the Vitodens 200-W We, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, confirm as sole respon- sible body that the product Vitodens 200-W complies with the following standards: EN 15417 EN 60 335-2-102...

  • Page 176: Keyword Index

    Keyword index Keyword index Acknowledging a fault display..117 Fault codes........119 Fault history........117 Fault manager........61 Boiler, opening........30 Fault memory......117, 118 Boiler water temperature sensor ..136 Faults..........117 Boosting DHW heating.....145 Filling the system.......31 Brief scans........109 Fill water..........31 Burner gauze assembly....44, 45 Flue gas temperature sensor...139 Burner installation......47 Function descriptions.......143 Burner removal........43...
  • Page 177 Keyword index Keyword index (cont.) Set room temperature selection..59 Operating conditions, calling up..108 Siphon..........35, 48 Operating data, calling up....108 Specification ........174 Output, setting........41 Standard set room temperature..59 Outside temperature sensor....135 Static pressure........40 Supply pressure.........39 System pressure........31 Reduced room temperature raising. 157 System schemes......51, 66 Reduced set room temperature..60 Reducing the heat-up output....157...
  • Page 180 Applicability These service instructions apply for appliances with the following serial num- bers (see type plate): 7506550 7506551 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...

This manual is also suitable for:

Type b2haVitodens 200-w b2ha

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