Viessmann VITODENS 200-W B2HA Installation And Service Instructions Manual
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Viessmann VITODENS 200-W B2HA Installation And Service Instructions Manual

Viessmann VITODENS 200-W B2HA Installation And Service Instructions Manual

Wall mounted gas condensing boiler
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VIESMANN
Installation and service instructions
for contractors
Vitodens 200-W
Type B2HA, 69 to 99 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
VITODENS 200-W
Please keep safe.
5817493 GB
7/2019

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Summary of Contents for Viessmann VITODENS 200-W B2HA

  • Page 1 VIESMANN Installation and service instructions for contractors Vitodens 200-W Type B2HA, 69 to 99 kW Wall mounted gas condensing boiler Natural gas and LPG version VITODENS 200-W Please keep safe. 5817493 GB 7/2019...
  • Page 2 Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Viessmann. water pipes to discharge static loads. Repair work Please note Repairing components that fulfil a safety function can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts.
  • Page 4 Safety instructions Safety instructions (cont.) Safety instructions for operating the system If you smell gas Condensate Danger Danger Escaping gas can lead to explo- Contact with condensate can be sions which may result in serious harmful to health. injury. Never let condensate touch your Do not smoke.
  • Page 5 Safety instructions Safety instructions (cont.) Danger The simultaneous operation of the boiler and appliances that exhausts air to the outside can result in life threatening poisoning due to a reverse flow of flue gas. Fit an interlock circuit or take suita- ble steps to ensure an adequate supply of combustion air.

  • Page 6: Table Of Contents

    Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitodens 200-W, type B2HA ............... ■ System examples ................■ Spare parts lists .................. ■ 2. Preparing for installation ........................ 10 3. Installation sequence Mounting the boiler and making connections ........
  • Page 7 Index Index (cont.) Fault codes .................... 87 Maintenance ..................95 Checking the outside temperature sensor (weather-compensated ■ control unit) ..................95 Checking the boiler water temperature sensors, cylinder tempera- ■ ture sensor or flow temperature sensor for the low loss header ..96 Checking the flue gas temperature sensor .........

  • Page 8: Disposal Of Packaging

    Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram:...

  • Page 9: Product Information

    Detailed information on system examples can be found tion diagrams and function descriptions are available at: www.viessmann-schemes.com to help setting up the heating system. Spare parts lists Information about spare parts can be found on the Viessmann spare parts app.
  • Page 10 Preparing for installation Preparing for installation Dimensions and connections Please note To prevent appliance damage, connect all pipework free of load and torque stress. Vitodens 200-W with connection set with integral low loss header Fig. 1 Heating flow G 1 Condensate drain ½...
  • Page 11 Preparing for installation Preparing for installation (cont.) Vitodens 200-W with connection set without low loss header Fig. 2 Cylinder flow G 1 Cylinder return G 1 ½ ½ Safety valve Cable entry area at the back Expansion vessel connection G 1 Without connection set (accessories) Heating flow 42 mm...

  • Page 12: Mounting The Boiler And Making Connections

    Installation sequence Mounting the boiler and making connections Fitting the wall mounting bracket Note The enclosed screws and rawl plugs are only suitable for concrete. For other construction materials, use fix- ing materials that are suitable for 100 kg loads. Ø...

  • Page 13: Hooking The Boiler Onto The Wall Mounting Bracket And Levelling It

    Installation sequence Mounting the boiler and making connections (cont.) Hooking the boiler onto the wall mounting bracket and levelling it Fig. 4 Note on step 4 Align the boiler vertically with a spirit level using the adjusting screws. Connection on the heating water side Note Connection situation shown with the connection sets that are available as accessories.

  • Page 14: Connection Set With Integral Low Loss Header

    Installation sequence Connection on the heating water side (cont.) Connection set with integral low loss header Connect the boiler to the on-site pipework. Fig. 5 Cylinder flow Heating flow Heating return Expansion vessel Cylinder return...

  • Page 15: Connection Set Without Low Loss Header

    Connect the balanced flue pipe. Only use the "System certificate" and "Skoberne GmbH flue system" labels in conjunction with the Flue system installation instructions Viessmann flue system made by Skoberne. Do not carry out commissioning until the following Danger conditions are met: Leaking or blocked flue systems or an insuffi- ■...

  • Page 16: Condensate Connection

    Installation sequence Condensate connection 1. Push condensate hose onto hose adaptor Ensure the tight connection on the hose adaptor. 2. Connect the condensate hose with a constant fall and a pipe vent to the public sewage system or to a neutralising system. Note Observe local waste water regulations.
  • Page 17 Installation sequence Opening the control unit enclosure (cont.) Fig. 9...

  • Page 18: Electrical Connections

    Installation sequence Electrical connections Fig. 10 Radio clock receiver Vitotrol 100 UTDB (only for constant temperature Heating circuit pump or boiler circuit pump control units) When making this connection, remove jumper between "1" and "L". Vitotrol 100 UTA (only for constant temperature control units) Vitotrol 100 wireless receiver, type UTDB-RF When making this connection, remove jumper...

  • Page 19: Circulation Pump At Plug Sö

    Installation sequence Electrical connections (cont.) Cylinder temperature sensor (supplied with DHW Information on connecting accessories cylinder connection set) When connecting accessories observe the sep- KM-BUS subscriber (accessories) arate installation instructions provided with ■ Vitotrol 200-A or 300-A remote control them. ■...
  • Page 20 Installation sequence Electrical connections (cont.) Hydraulic connection/connection require- Control unit setting Circulation pump setting ments Coding address/group Ext. In Single boiler system 30:0/boiler/2 Connection of heating circuits with connection set with integral low loss header Circulation pump VI PARA 25/1-11 Recommendation 80 kW ( t = 15 K):...
  • Page 21 Installation sequence Electrical connections (cont.) 1200 120 1100 110 1000 1000 2000 3000 4000 5000 6000 Flow rate in l/h Fig. 12 Setting for coding addresses E6, E7 Curve Coding address Pump rate, circula- value tion pump 40 % 50 % 60 % 70 % 80 %...

  • Page 22: Circulation Pump At Plug Sa

    Installation sequence Electrical connections (cont.) 1200 1100 1000 1000 2000 3000 4000 Flow rate in l/h Fig. 13 Setting for coding addresses E6, E7 Curve Coding address Pump rate, circula- value tion pump 40 % 50 % 60 % 70 % 80 % 90 % 100 %...

  • Page 23: External Demand Via Switching Contact

    Installation sequence Electrical connections (cont.) External demand via switching contact Connection options: Please note EA1 extension (accessory, see separate installation Live contacts lead to short circuits or phase fail- ■ instructions) ure. ■ Plug The external connection must be floating and meet the requirements of protection class II.

  • Page 24: External Blocking Via Switching Contact

    Installation sequence Electrical connections (cont.) [{{] 0-10V fÖ Ö Fig. 15 0 to 1 V No specification for set boiler water temperature Set value 10 °C 10 V Set value 100 °C External blocking via switching contact Connection options: Please note Plug Live contacts lead to short circuits or phase fail- ■...

  • Page 25: Outside Temperature Sensor

    Installation sequence Electrical connections (cont.) Plug EA1 extension Floating contact Floating contact (when connecting, remove jumper EA1 extension between L and 1) Parameters/codes Parameters/codes "4b:2" in the "General"/1 group Set "3A" (DE1), "3b" (DE2) or "3C" (DE3) to 3 or 4 in ■...
  • Page 26 Installation sequence Electrical connections (cont.) Power supply and KM BUS connection of accessories Danger Incorrectly executed electrical installations can result in injuries from electrical current and dam- age to the appliance. Route extra low voltage (ELV) leads < 42 V ■...

  • Page 27: Power Supply Fö

    Installation sequence Electrical connections (cont.) Power supply fÖ Danger If the mains connection is made with a flexible power ■ Incorrectly executed electrical installations can cable, it must be ensured that the live conductors are result in injuries from electrical current and in pulled taut before the earth conductor in the event of damage to the appliance.
  • Page 28 Installation sequence Electrical connections (cont.) Fig. 18 LV terminals Communication module 230 V terminals Cable grommet for power cable Internal extension Plugs for connecting the cylinder temperature sen- Main PCB sor to the cable harness Remove the existing cable grommet when using cables with a larger cross-section (up to 14 mm).

  • Page 29: Closing The Control Unit Enclosure And Inserting The Programming Unit

    Installation sequence Closing the control unit enclosure and inserting the programming unit 3. 2x Fig. 19 Insert the programming unit (packed separately) into the control unit support. Note The programming unit can also be inserted into a wall mounting base (accessories) near the boiler. Wall mounting base installation instructions...

  • Page 30: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • 1. Opening the boiler......................31 • 2. Filling the heating system....................31 • 3. Venting the boiler by flushing................... 33 • 4. Selecting the language (if required) – only for weather-compensated control units.. 35 •...

  • Page 31: Opening The Boiler

    Commissioning, inspection, maintenance Opening the boiler Fig. 20 Filling the heating system Fill water Please note Unsuitable fill water increases the level of According to EN 1717 with DIN 1988-100, as a heat deposits and corrosion and may lead to appli- transfer medium for DHW heating, the heating water ance damage.
  • Page 32 Commissioning, inspection, maintenance Filling the heating system (cont.) Total permissible hardness of the fill and top-up water Total heating output Specific system volume < 20 l/kW 20 l/kW to < 50 l/kW 50 l/kW ≥ ≥ ≤ 3.0 mol/m (16.8 °dH) 2.0 mol/m (11.2 °dH) <...

  • Page 33: Venting The Boiler By Flushing

    Commissioning, inspection, maintenance Venting the boiler by flushing Single boiler system Connection set with integral low loss header 03. Turn valve to position 1. 04. Open valves 05. Vent the first indirect coil at mains pressure until no more air noise is audible. 06.
  • Page 34 Commissioning, inspection, maintenance Venting the boiler by flushing (cont.) Connection set without low loss header 1. Close shut-off valves 2. Connect the drain hose to drain valve Connect the fill hose to boiler drain & fill valve (if no longer connected). 3.

  • Page 35: Selecting The Language (If Required) - Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Venting the boiler by flushing (cont.) Multi boiler system 1. Close shut-off valve on the heating water side. Note Shut-off valve remains open. 2. Connect the drain hose to boiler drain & fill valve 3. Open valves .

  • Page 36: Information On Automatic Testing Of The Flue Gas Temperature Sensor

    Commissioning, inspection, maintenance Information on automatic testing of the flue gas temperature sensor Weather-compensated control unit Constant temperature control unit The control unit automatically checks the function of the Immediately after being switched on, the control unit au- flue gas temperature sensor as soon as the time and tomatically checks the function of the flue gas tempera- date have been set.

  • Page 37: Checking All Connections On The Heating Water And Dhw Sides For Leaks

    Commissioning, inspection, maintenance Filling the trap with water (cont.) 1. Pull off cap downwards. 2. Undo hose 3. Undo union nut and pull off trap downwards. 4. Fill trap with water and refit it. 5. Refit hose Note Route the drain hose without any bends and with a constant fall.

  • Page 38: Gas Type Conversion (Only For Operation With Lpg)

    Commissioning, inspection, maintenance Gas type conversion (only for operation with LPG) 1. Set adjusting screw on both gas trains to "2". 2. Turn ON/OFF switch " " to ON. 3. Select the gas type in coding address "82": Calling up code 2 ■...

  • Page 39: Checking The Static Pressure And Supply Pressure

    Commissioning, inspection, maintenance Function sequence and possible faults (cont.) Burner in operation Shuts down below the set Check the flue system for boiler water temperature and tightness (flue gas recircula- restarts immediately tion); check the gas flow pressure. Automatic calibration of Fault E3 Ensure adequate heat trans- the combustion controller...

  • Page 40: Setting The Max. Heating Output

    Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) 6. Check the supply (flow) pressure. For set values, see the following table. Note Use a suitable measuring device with a resolution of at least 0.1 mbar (0.01 kPa) to check the supply pressure.

  • Page 41: Checking The Balanced Flue System For Tightness (Annular Gap Check)

    Commissioning, inspection, maintenance Setting the max. heating output (cont.) Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å å 2.

  • Page 42: Removing The Burner And Checking The Burner Gasket

    Commissioning, inspection, maintenance Removing the burner and checking the burner gasket Fig. 31 1. Turn off the ON/OFF switch on the control unit and 6. Undo gas supply pipe fittings the power supply. 7. Undo 6 screws and remove the burner. 2.

  • Page 43: Checking The Burner Gauze Assembly And Replacing It If Required

    Commissioning, inspection, maintenance Checking the burner gauze assembly and replacing it if required D 4x B 3x Fig. 32 1. Remove electrodes 5. Insert a new burner gauze assembly with a new gasket and secure with 4 Torx screws. 2. Undo 3 retaining clips on thermal insulation ring and remove thermal insulation ring Note...

  • Page 44: Checking The Back Draught Safety Device

    Commissioning, inspection, maintenance Checking the back draught safety device Fig. 33 1. Undo 3 screws and remove fan 4. Refit back draught safety device 2. Remove back draught safety device 5. Refit fan and secure with 3 screws. Torque: 3.0 Nm 3.

  • Page 45: Cleaning The Heating Surfaces

    Commissioning, inspection, maintenance Cleaning the heating surfaces Please note Scratches to the surfaces of the heat exchanger that come into contact with hot gas can result in corrosion damage. Brushing can cause deposits to become lodged in the gaps between the coils. Never use brushes to clean the heating sur- faces.

  • Page 46: Checking The Neutralising System (If Installed)

    Commissioning, inspection, maintenance Checking the condensate drain and cleaning the… (cont.) 1. Pull off cap downwards. 2. Undo hose 3. Undo union nut and pull off trap downwards. 4. Clean trap 5. Check that the condensate can drain freely to the public sewage system.

  • Page 47: Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Checking all gas equipment for tightness at operating pressure Danger Note Escaping gas leads to a risk of explosion. Only use suitable and approved leak detection agents Check all gas equipment for tightness. (EN 14291) and devices for the tightness test. Leak detection agents with unsuitable constituents (e.g.

  • Page 48: Checking The Flue System For Unrestricted Flow And Tightness 32. Matching The Control Unit To The Heating System

    Commissioning, inspection, maintenance Checking the combustion quality (cont.) Select higher/lower heating output Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å...
  • Page 49 Commissioning, inspection, maintenance Adjusting the heating curves (only for… (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Fig. 38 Slope setting ranges: Reduced 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 50: Connecting The Control Unit To The Lon

    Commissioning, inspection, maintenance Adjusting the heating curves (only for… (cont.) Press the following buttons for the extended menu: to call up the menu. å 2. "Heating" select to select the heating circuit. 4. "Heating curve" select 5. "Slope" or "Level" to change the heating curve in accordance with requirements.

  • Page 51: Calling Up And Resetting The "Service" Display

    Commissioning, inspection, maintenance Connecting the control unit to the LON (cont.) Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom Viessmann system number. Viessmann system number. Viessmann system number. — Code "98:1" Code "98:1" Code "98:1" LON subscriber fault monitor- LON subscriber fault moni- LON subscriber fault moni- —...

  • Page 52: Fitting The Front Panel

    Commissioning, inspection, maintenance Calling up and resetting the "Service" display (cont.) Weather-compensated control unit Constant temperature control unit After the service has been carried out: Reset the codes Service menu: Reset code "24:1" in group 2 to "24:0". 1. Press OK and simultaneously for approx.

  • Page 53: Instructing The System User

    Commissioning, inspection, maintenance Instructing the system user The system installer should hand the operating instruc- tions to the system user and instruct the user in oper- ating the system.

  • Page 54: Calling Up Coding Level 1

    Code 1 Calling up coding level 1 On weather-compensated control units, codes are ■ displayed as plain text. ■ Codes that are not assigned due to the heating sys- tem equipment level or the setting of other codes are not displayed. Heating systems with one heating circuit without ■...
  • Page 55 Code 1 General/group "1" (cont.) Coding Coding in the delivered condition Possible change System design 00:1 System version 1: 00:2 For system schemes, see the follow- One heating circuit without mixer ing table: A1 (heating circuit 1), without DHW 00:10 heating Value, ad- System ver-...

  • Page 56: Boiler/Group "2

    Code 1 General/group "1" (cont.) Coding in the delivered condition Possible change Subscriber no. 77:1 LON subscriber number (only for 77:2 LON subscriber number, adjustable weather-compensated control from 1 to 99: units) 77:99 1 - 4 = Boiler 5 = Cascade 10 - 97 = Vitotronic 200-H 98 = Vitogate 99 = Vitocom...

  • Page 57: Dhw/Group "3

    Code 1 Boiler/group "2" (cont.) Coding in the delivered condition Possible change Burner service in 100 hours 21:0 No service interval set (in hours 21:1 The number of hours run before the run) burner should be serviced is adjust- 21:100 able from 100 to 10,000 h ≙...

  • Page 58: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5

    Code 1 Solar/group "4" (cont.) Coding Coding in the delivered condition Possible change Speed control solar circuit pump 02:... Data dependent on the software 02:0 Solar circuit pump is not speed-con- version of solar control module trolled 02:1 With wave packet control function Never adjust 02:2 Solar circuit pump is speed-control-...
  • Page 59 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 applicable to heat- A2:0 Without cylinder priority applicable to ing circuit pump and mixer heating circuit pump and mixer A2:1 Cylinder priority only applicable to mixer...
  • Page 60 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Extended economy function mixer A7:0 Without mixer economy function A7:1 With mixer economy function (exten- Only for a weather-compensated ded heating circuit pump logic): control unit and heating circuit with Heating circuit pump also "OFF": mixer.
  • Page 61 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Min. flow temperature heating circuit C5:20 Electronic minimum flow tempera- C5:1 Minimum limit adjustable from 1 to ture limit 20 °C (only for weather- 127 °C (limited by boiler-specific pa- compensated control units) C5:127...
  • Page 62 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Start temperature raising F8:-5 Temperature limit for terminating F8:+10 Temperature limit adjustable from reduced mode -5 °C; see example +10 to -60 °C on page 109.

  • Page 63: Calling Up Coding Level 2

    Code 2 Calling up coding level 2 All codes are accessible in coding level 2. ■ ■ Codes that are not assigned due to the heating sys- tem equipment level or the setting of other codes are not displayed. ■ The heating circuit without mixer is designated "Heating circuit 1"...
  • Page 64 Code 2 General/group "1" (cont.) Value, ad- System ver- Description dress 00: ... sion One heating circuit without mixer A1 (heating circuit 1), with DHW heating (code is set automatically) One heating circuit with mixer M2 (heating circuit 2), without DHW heating One heating circuit with mixer (heating circuit 2), with DHW heating One heating circuit without mixer A1 (heating circuit 1) and one heating circuit with mixer M2 (heating circuit 2), without DHW heating (code is set automatically)
  • Page 65 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 36:2 Function of output : DHW cir- culation pump 39:2 Function of output : circulation 39:0 Function of output : DHW circula- pump for cylinder heating tion pump 39:1 Function of output : heating circuit...
  • Page 66 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 3C:2 Function of input DE3: external de- mand with set flow temperature Set flow temperature setting: coding address 9b Internal circulation pump function: coding address 3F 3C:3 Function of input DE3: external blocking Internal circulation pump function: coding address 3E...
  • Page 67 Code 2 General/group "1" (cont.) Coding in the delivered condition Possible change 53:3 Function of terminal : external cir- culation pump for cylinder heating 54:0 Without solar thermal system 54:1 With Vitosolic 100 (automatic recog- nition) 54:2 With Vitosolic 200 (automatic recog- nition) 54:4 With solar control module SM1 with...
  • Page 68 97:2 Control unit transmits outside tem- lised internally (only for weather- perature to Vitotronic 200-H compensated control units) 98:1 Viessmann system number 98:1 System number adjustable from 1 to In conjunction with monitoring of several systems via Vitocom 300 98:5...

  • Page 69: Boiler/Group "2

    Code 2 Boiler/group "2" Select "Boiler" for weather-compensated control units Select "2" for constant temperature control units (see (see page 63). page 63). Coding Coding in the delivered condition Possible change 01:1 Single boiler system (only for con- 01:2 Multi boiler system with Vitotronic stant temperature control units) 300-K 04:1...

  • Page 70: Dhw/Group "3

    Code 2 Boiler/group "2" (cont.) Coding in the delivered condition Possible change 31:... Set speed of the internal circula- 31:0 Set speed adjustable from 0 to tion pump when operated as boiler 100 % circuit pump in %, specified by the 31:100 boiler coding card 38:0...

  • Page 71: Solar/Group "4

    Code 2 DHW/group "3" (cont.) Coding in the delivered condition Possible change 62:15 63:0 Without auxiliary function for DHW 63:1 Auxiliary function: 1 x daily heating (only for constant tempera- 63:2 Every 2 days to every 14 days ture control units) 63:14 63:15 2 x daily...
  • Page 72 Frost protection function for solar 0b:1 Frost protection function for solar cir- circuit switched off cuit switched on (not required with Viessmann heat transfer medium) 0C:1 Delta-T monitoring ON 0C:0 Delta T monitoring switched off. No flow rate captured in the solar circuit, or flow rate too low.
  • Page 73 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 is to be stratified into the DHW cylinder. If code "20:9" (heating of two ■...

  • Page 74: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5

    Code 2 Solar/group "4" (cont.) Coding in the delivered condition Possible change Once the DHW cylinder with priori- 27:60 ty is heated up, the DHW cylinder without priority is heated for a max- imum duration equal to the set cy- clical heating time.
  • Page 75 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter Heating circuit pump address A3:... "ON" "OFF" -5 °C -3 °C -4 °C -2 °C -3 °C -1 °C -2 °C 0 °C -1 °C 1 °C 0 °C 2 °C 1 °C 3 °C...
  • Page 76 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change The burner and heating circuit pump will stop at a variable value, adjusta- ble between 5 and 35 °C plus 1 °C. Mixer will be closed. The basis for this is the adjusted outside tempera- ture.
  • Page 77 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter address With heating circuit pump logic function: b5:... Heating circuit pump "OFF" Heating circuit pump "ON" + 5 K < RT + 4 K > actual actual + 4 K <...
  • Page 78 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change E1:1 Never adjust E2:50 With remote control: no display E2:0 Display correction – correction for the actual room tem- perature (only for weather-com- E2:49 Display correction 0.1 K...
  • Page 79 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change FA:20 The set boiler water or flow tem- FA:0 Temperature rise adjustable from 0 perature is raised by 20 % when to 50 % changing from operation with re- FA:50 duced room temperature to opera-...

  • Page 80: Service Level

    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 simultaneously for approx. 4 s. 1. Press OK and simultaneously for approx. 4 s. å...

  • Page 81: Diagnosis

    Diagnosis and service scans Diagnosis Operating data Weather-compensated control unit Constant temperature control unit Calling up operating data Operating data can be scanned in six areas. See "Di- Operating data can be called up in the "i" menu. ■ ■ agnosis"...
  • Page 82 Diagnosis and service scans Diagnosis (cont.) Row (brief Field scan) Software version Type Version, burner control unit Burner control unit Burner control unit Internal details for calibration Software ver- Software ver- sion, AM1 ex- sion, EA1 exten- tension sion Switching state, flow sensor 1: flow rate...
  • Page 83 Diagnosis and service scans Diagnosis (cont.) For explanations of individual scans, see the following table: Brief scan Display System scheme 1 Software version Software version to 2 Control unit Programming unit Adjusted outside temperature Set boiler water temperature Common demand temperature Set cylinder temperature Number of KM-BUS subscribers Number of LON subscribers...

  • Page 84: Checking Outputs (Relay Test)

    Diagnosis and service scans Diagnosis (cont.) Brief scan Display Night-time DHW circulation, solar thermal system (number) Differential temperature monitoring Solar central Output 22 switch- heating backup ing state 0: disabled 0: OFF 1: enabled 1: ON OpenTherm extension (if installed) Software ver- DHW heating sta- External hook-up 0 - 10 V...
  • Page 85 Diagnosis and service scans Checking outputs (relay test) (cont.) 3. Select required actuator (output) with (see 4. Confirm selected actuator with OK. following table): The display shows the number for the activated actuator and "ON". The following actuators (relay outputs) can be controlled subject to system design: Display Explanation All actuators are off...

  • Page 86: Fault Display

    Troubleshooting Fault display Weather-compensated control unit In the event of a fault, red fault indicator flashes. Calling up acknowledged faults " " flashes on the display and "Fault" is shown. Select "Fault" in the standard menu. Current faults will be listed. Calling up fault codes from the fault memory (fault history) The 10 most recent faults (including those remedied)

  • Page 87: Fault Codes

    Troubleshooting Fault display (cont.) If an acknowledged fault is not remedied, the fault Faults are sorted by date. message will be redisplayed the following day and the fault message facility restarted. 1. Press OK and simultaneously for approx. 4 s. å...
  • Page 88 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Burner blocked Short circuit, boiler Check boiler water tem- water temperature perature sensors (see sensor page 96) Burner blocked Lead break, boiler Check boiler water tem- water temperature perature sensors (see sensor...
  • Page 89 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Control mode Lead break, cylin- Check temperature sen- der temperature sor at terminal S3 on the sensor Vitosolic. No solar DHW heat- Lead break, cylin- Check temperature sen- der temperature on solar control...
  • Page 90 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Control mode without Communication er- Check connections, ca- remote control ror, Vitotrol remote ble, coding address "A0" control, heating cir- in the "Heating circuit" cuit 1 (without mix- group and remote control settings (see page 110).
  • Page 91 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Control mode Communication er- Check connections, ror, Vitocom 100, Vitocom 100, type GSM type GSM and coding address "95" in the "General"/1 group Control mode Communication er- Replace LON communi- ror, LON communi-...
  • Page 92 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Burner in a fault state Heating water flow Ensure adequate circula- rate too low during tion volume. calibration. Flow Check flow switch. switch has shut Remove scaling and down.
  • Page 93 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Burner in a fault state Repeated flame Check gap between ioni- loss during calibra- sation electrode and burn- tion er gauze assembly (see page 44). Check assignment of gas type (see page 38).
  • Page 94 Troubleshooting Fault codes (cont.) Fault code Const. Weather- System characteris- Cause Measures displayed comp. tics Burner in a fault state Temperature limiter Check heating system fill has responded. level. Check circulation pump. Vent the system. Check temperature limiter and connecting cables. Press reset button R.

  • Page 95: Maintenance

    Troubleshooting Fault codes (cont.) Faults without fault display Fault Cause of fault Action Burner blocked and 3 is Flow rate is insufficient Check circulation pump and flow switch, re- displayed in code 38. Circulation pump or flow switch faulty place if necessary Heat exchanger blocked Flush and clean heat exchanger.

  • Page 96: Checking The Boiler Water Temperature Sensors, Cylinder Tempera- Ture Sensor Or Flow Temperature Sensor For The Low Loss Header

    Troubleshooting Maintenance (cont.) Checking the boiler water temperature sensors, cylinder temperature sensor or flow tempera- ture sensor for the low loss header § § Fig. 50 ■ Boiler water temperature sensors Disconnect plug and check resistance of boiler water temperature sensors §...

  • Page 97: Checking The Fuse

    Troubleshooting Maintenance (cont.) 1. Disconnect leads from flue gas temperature sensor Fig. 52 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. 10 30 50 70 90 110 Temperature in °C Fig.

  • Page 98: Mixer Extension Kit

    Troubleshooting Maintenance (cont.) Mixer extension kit Checking the setting of rotary selector S1 Note The mixer motor can also be started via the actuator The rotary selector on the PCB of the extension kit test (see chapter "Checking outputs"). defines the assignment to the relevant heating circuit. Observe the rotational direction of the mixer motor dur- ing its self-test.

  • Page 99: Checking The Vitotronic 200-H (Accessories)

    Troubleshooting Maintenance (cont.) Checking the Vitotronic 200-H (accessories) The Vitotronic 200-H is connected to the control unit via the LON. To test the connection, carry out a sub- scriber check at the boiler control unit (see page 51).

  • Page 100: Constant Temperature Control Unit

    Function description Constant temperature control unit °C Fig. 57 Heating mode The selected set boiler water temperature will be main- The electronic temperature limiter inside the burner tained when a demand is being raised by the room control unit limits the boiler water temperature. thermostat and the heating program is set to DHW and Flow temperature setting range: 20 to 74 °C.

  • Page 101: Heating Mode

    Function description Weather-compensated control unit (cont.) Heating mode The control unit determines a set boiler water tempera- The electronic temperature limiter inside the burner ture subject to outside temperature or room tempera- control unit limits the boiler water temperature. ture (if a room temperature-dependent remote control is connected) and to the slope level of the heating curve.

  • Page 102: Internal H2 Extension

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

  • Page 103: External Extensions (Accessories)

    Function description External extensions (accessories) AM1 extension Fig. 61 Circulation pump A Power supply for additional accessories fÖ Circulation pump KM-BUS Power supply fÖ Functions Select the output functions via parameter changes/ codes at the boiler control unit. One of the following circulation pumps can be connec- ted to each of connections A1 and A2: Heating circuit pump for heating circuit without mixer ■...

  • Page 104: Ea1 Extension

    Function description External extensions (accessories) (cont.) EA1 extension Fig. 62 Fuse Power supply for additional accessories fÖ Digital input 1 Central fault message/feed pump/DHW circu- Digital input 2 lation pump (potential-free) Digital input 3 Connect DHW circulation pumps with stand- ∼...

  • Page 105: Control Functions

    Function description External extensions (accessories) (cont.) The effect of the operating program changeover is Analogue input 0 10 V – selected via parameter/coding address d5 in the "Heating circuit" group. The 0 10 V hook-up provides an additional set boiler –...

  • Page 106: External Blocking

    Function description Control functions (cont.) Heating program changeover Code Changeover via input DE1 d8:1 Changeover via input DE2 d8:2 Changeover via input DE3 d8:3 You can select the direction of the operating program changeover in coding address "d5" in the "Heating circuit"...

  • Page 107: Venting Program

    Function description Control functions (cont.) External demand Code Input DE1 3A:2 Input DE2 3b:2 Input DE3 3C:2 The effect on the internal circulation pump is selected The set minimum boiler water temperature for external in coding address "3F" in the "General" group. demand is selected in coding address "9b"...
  • Page 108 Function description Control functions (cont.) Temperature profile 3: Code "F1:3" Days Fig. 65 Temperature profile 4: Code "F1:4" Days Fig. 66 Temperature profile 5: Code "F1:5" Days Fig. 67 Temperature profile 6: Code "F1:6" Days Fig. 68 Temperature profile 7: Code "F1:15" Days Fig.

  • Page 109: Raising The Reduced Room Temperature

    Function description Control functions (cont.) Raising the reduced room temperature During operation with reduced room temperature, the The outside temperature limits for the start and end of reduced set room temperature can be automatically temperature raising can be set in coding addresses raised subject to the outside temperature.

  • Page 110: Assigning Heating Circuits To The Remote Control

    Function description Control functions (cont.) Example using the settings in the delivered condition Time Fig. 71 Start of operation with standard room temperature Set boiler water or flow temperature in accordance Set boiler water or flow temperature in accordance with coding address "FA": with the selected heating curve 50 °C + 20 % = 60 °C Duration of operation with raised set boiler water...

  • Page 111: Electronic Combustion Control Unit

    Function description Electronic combustion control unit The electronic combustion controller utilises the physi- To check the combustion quality, the CO content or cal correlation between the level of the ionisation cur- the O content of the flue gas is measured. The pre- rent and the air ratio .

  • Page 112: Connection And Wiring Diagram Connection And Wiring Diagram

    Connection and wiring diagram Connection and wiring diagram internal connections – Fig. 72 Main PCB Flow switch X... Electrical interfaces Ignition unit Boiler water temperature sensor Fan motor § a-Ö Boiler water temperature sensor A Fan motor control § a-Ö Ionisation electrode Modulation coil a:Ö...

  • Page 113: External Connections

    Connection and wiring diagram Connection and wiring diagram external connections – Fig. 73 A1 Main PCB Flow temperature sensor, low loss header A2 Switching mode power supply Cylinder temperature sensor A3 Optolink (plug on the cable harness) A4 Burner control unit Heating circuit pump or boiler circuit pump sÖ...

  • Page 114: Report

    Commissioning/service reports Report Settings and test values Set value Commission- Maintenance/ Maintenance/ service service Date Signature Static pressure mbar 57.5 ≤ 5.75 ≤ Supply pressure (flow pres- sure) For natural gas ..mbar See table "Supply pressure" For LPG ..mbar (Commis- sioning ...)
  • Page 115 Specification Specification Gas boiler, category II 2N3P Rated heating output range 50/30 °C (Pcond(50/30)) 20 (30) - 69 20 (30) - 80 20 (30) - 99 = 80/60 °C (Pn(80/60)) 18.2 (27.3) - 65.8 18.2 (27.3) - 74.1 18.2 (27.3) - 90.9 Rated heating input range (Qn) 18.8 (28.1) - 66.5 18.8 (28.1) - 75.0 18.8 (28.1) - 92.9...
  • Page 116 Specification Specification (cont.) Available in the following countries Flue system types DE, SI Gas categories Available in the following countries Gas categories AE, AT, AM, BA, BG, BY, CH, CZ, DK, EE, ES, FI, GB, 2N3P 2H3P GR, HR, IE, IS, IT, KG, KZ, LI, LT, LU, LV, MT, NO, PT, RO, RS, RU, SE, SI, SK, TR, UA AM, BY, KG, KZ, RU, UA BE, DE, FR...

  • Page 117: Final Decommissioning And Disposal

    Disposal Final decommissioning and disposal Viessmann products can be recycled. Components For decommissioning the system, isolate the system and substances from the system are not part of ordi- from the power supply and allow components to cool nary household waste.

  • Page 118: Declaration Of Conformity

    Certificates Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Using the serial number, the full Declaration of Con- Allendorf, declare as sole responsible body that the formity can be found on the following website: named product complies with the European directives www.viessmann.co.uk/eu-conformity...
  • Page 119 Keyword index Keyword index Acknowledging a fault display........86 Heating circuit assignment........110 Heating curve............. 48 Heating curve level.............49 Boiler, opening............31 Heating curve slope........... 49 Boiler water temperature sensor ....... 96 Heating output, setting..........40 Boosting DHW heating..........101 Heat-up time.............109 Brief scans..............
  • Page 120 Wiring diagram............112 Time, setting...............35 Trap..............36, 45 Venting............... 33 Venting program............107 Vitotronic 200-H............99 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com...

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