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Viessmann VITODENS 200-W B2HA 112, Service Instructions Manual

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Viessmann VITODENS 200-W B2HA 112 Service Instructions Manual Download Page 93

Vitodens 200-W B2HA 112, 150 Service

93

5683 710 - 09

Additional Information

Parts Lists

Parts for Main Enclosure Assembly

0001 Cover panel

0002 Control housing

0003  Mounting rail, left

0004  Mounting rail, right

0005  Cover panel for electronics

0006  Support bracket, left

0007  Support bracket, right

0008 Cover panel

0009  Mounting clip (Set of 2)

0010 Nameplate

0011 Electrical box

0012  Electrical box cover

0013  Support bracket for panel

0014  Grommet for p-trap

0015 Wall-mount bracket

Other Parts 

(not illustrated)

0401  Touch-up spray paint “Vitowhite”

0402  Touch-up paint stick “Vitowhite” 

0403 Lubricant 6g

Ordering Replacement Parts: 

Please provide model no. from rating plate 

A

 and serial 

no. when ordering replacement parts. Order replacement 

components from your Viessmann distributor.

Model No.   

   Serial No

. 

B2HA

 

112  Boiler  7510835



B2HA

 

150  Boiler  7510836



Summary of Contents for VITODENS 200-W B2HA 112

Page 1: ... 200 W Type B2HA 112 and 150 Wall mounted gas fired condensing boiler Natural gas and LPG version For operation with Natural Gas and Liquid Propane Gas Heating input 113 to 530 MBH 33 to 150 kW Read and save these instructions for future reference Product may not be exactly as shown VITODENSr 200 W H IMPORTANT ...

Page 2: ...heating season begins Carbon monoxide Improper installation adjustment service and or maintenance can cause flue products to flow into living space Flue products contain poisonous carbon monoxide gas For information pertaining to the proper installation adjustment service and maintenance of this equipment to avoid formation of carbon monoxide please see subsection entitled Mechanical room and Vent...

Page 3: ... wash affected areas gently with soap and warm water after handling Suppliers of fiberglass wool products recommend the following precautions be taken when handling these materials Avoid breathing fiberglass dust and contact with skin and eyes Use NIOSH approved dust mist respirator Wear long sleeved loose fitting clothing gloves and eye protection Wash work clothes separately from other clothing ...

Page 4: ...on and Potential Faults During Each Start up Cycle 19 Set Maximum Input 20 Check all Primary and Secondary Circuit Connections for Leaks 20 Perform Combustion Analysis 20 Check Coaxial Venting System for Leaks 21 Remove Burner Assembly 21 Checking the Flue Gas Flapper 22 Check Burner Refractory 22 Check and Adjust Ignition and Ionization Electrodes 23 Clean Combustion Chamber Heat Exchanger Surfac...

Page 5: ... sensor 80 Check fuse 80 Check fuses in the external accessories connection box 80 Checking the boiler temperature sensor and fixed high limit DHW tank temperature sensor or flow temperature sensor for the low loss header 81 Check the flue gas temperature sensor 82 Extension kit for heating circuit with mixing valve 83 Checking the rotational direction of the mixing valve motor 83 Check the Vitotr...

Page 6: ... hazardous situation which if not avoided could result in loss of life serious injury or substantial product property damage CAUTION Indicates an imminently hazardous situation which if not avoided may result in minor injury or product property damage Necessary Tools Testing analysis equipment Use only calibrated equipment H Multimeter to measure 0 120 V 0 12A AC and 0 100 mA DC H Flue gas analyze...

Page 7: ... supply to equipment the heating system and all external controls has been deactivated Close main gas supply valve Take precautions in all instances to avoid accidental activation of power during service work The completeness and functionality of field supplied electrical controls and components must be verified by the heating contractor These include low water cut offs flow switches if used stagi...

Page 8: ...ection the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5 08 2 a 1 through 4 b EXEMPTIONS The following equipment is exempt from 248 CMR 5 08 2 a 1 through 4 1 The equipment listed in Chapter 10 entitled Equipment Not Required To Be Vented in the most current edition of NFPA 54 as adopted by the Board and 2 Product Approved side wa...

Page 9: ...ious versions of the Vitodens 200 W B2HA boiler When ordering replacement parts provide either the 16 digit boiler serial number on the bar code label or the 12 digit ASME NB serial number located as shown underneath boiler front enclosure panel Refer to page 12 for instructions on how to remove front enclosure panel Model No B2HA 112 Serial No 7510835 jjjjjjjjj Model No B2HA 150 Serial No 7510836...

Page 10: ...by rooms H Garages with workshops H Furniture refinishing areas H Dry cleaning laundry areas and establishments H Auto body shops H Refrigeration repair shops H Metal fabrication plants H Plastic manufacturing plants H Photo processing plants H Beauty salons Products containing contaminants H Chlorine type bleaches detergents and cleaning solvents found in household laundry rooms H Paint and varni...

Page 11: ... menu 1 2 Settings 3 Time Date 4 Set current time and date Select Language 1 Turn up both locks to unlock the user interface programming unit covers 2 Slide open the user interface programming unit covers At the commissioning stage the display is in German 1 Sprache Language Deutsch DE German 2 Select the required language with 3 Accept by pressing OK To change the language Extended menu 1 2 Setti...

Page 12: ...quire the removal of the front enclosure panel To avoid personal injury and or product damage of any kind please follow the instructions below carefully when removing the front enclosure panel IMPORTANT Close the main gas supply valve 1 Remove the external accessories connection box cover 2 Loosen the screws at the bottom of the boiler as shown do not remove completely 3 Slide out and remove front...

Page 13: ...a backflow preventer within the automatic water feed and influence components such as diaphragm expansion tanks radiation etc A 40 antifreeze content will provide freeze up protection to 10 F 23 C Do not use antifreeze other than specifically made for hot water heating systems System also may contain components which might be negatively affected by antifreeze Check total system frequently when fil...

Page 14: ...er supply and return for at least 10 minutes until all air is removed from the boiler 4 When the drain valve begins to bleed water close boiler drain valve then boiler fill valve and open system isolation valves 5 a Close the gas shut off valve and switch the control unit ON b Activate venting program see next steps Note For function and sequence of the venting program see page 85 c Check the syst...

Page 15: ...e in Maintenance Record on page 96 The Vitodens 200 W boiler is for use with gases whose characteristics fall within the following ranges Do not use any other types of gas Natural gas Liquid propane gas Heating value gross Btu ft3 970 to 1100 2466 to 2542 Specific gravity 0 57 to 0 70 1 522 to 1 574 Ultimate carbon dioxide CO2 11 7 to 12 2 13 73 to 13 82 An external accessories connection box is a...

Page 16: ...quid propane gas 7 Go back to coding address 11 and select any value except 9 8 Terminate coding level 2 and open gas shut off valve 9 Apply supplied fuel conversion labels Start up and Service Setting High Altitude In the factory default setting the boiler is equipped to operate in altitudes of up to 5 000 ft 1 500 m Altitude can be set using coding address 93 in coding level 2 General Coding 11 ...

Page 17: ...nning Pressure A CO measurement see page 25 must be taken before and after working on gas appliances to eliminate risks to health and to guarantee the satisfactory condition of the system The burner is automatically ignited and starts operation after a safety time has elapsed During initial start up the unit may indicate a fault because of air in the gas supply pipe especially for liquid propane g...

Page 18: ...ops below 4 w c the switch will close and the boiler control will shut off the burner GDW2 high pressure gas switch n o When the gas pressure rises above 3 5 w c the switch will close and the boiler control will shut off the burner If either switch is activated closed position the burner will shut down but no fault will be displayed on the control Check address 38 in coding 2 if the value is 2 the...

Page 19: ...iately Fault EE Fault EE Fault EE Check the ignition module control voltage 120 V across plugs X2 1 and X2 2 Fault EE Check the gas train control voltage 120 V check the gas supply pressure Check the ionization electrode adjustment and the gas line for airlocks Check the flue gas system for tightness flue gas recirculation check the gas flow pressure Automatic calibration of the combustion control...

Page 20: ...ge Select Yes A value flashes on the display e g 85 In the factory setting this value represents 100 of rated input or output 5 Select required value Check All Primary and Secondary Circuit Connections for Leaks Perform Combustion Analysis Check heating system and domestic hot water connections if applicable Ensure all connections are pressure tight Correct any leaks found on fittings pumps valves...

Page 21: ...ement ports one for combustion air intake measurement and one for flue gas measurement Remove Burner Assembly 1 Switch the main power supply and the ON OFF switch 8 on the boiler control to OFF Note Slide the black control cover outwards to access the ON OFF switch 2 Shut off the gas valve 3 Fold down control unit A and remove cover B 4 Pull the cables from the fan motor C gas valve D ionization e...

Page 22: ... secure new DHW tank burner assembly E and new assembly gasket F Tighten to a torque of 3 3 lb ft 4 5 Nm using a calibrated torque wrench 5 Reinstall refractory ring C and secure with retaining clip B 6 Reinstall electrode block and ionization electrode A Tighten to a torque of 3 lb ft 4 Nm using a calibrated torque wrench Checking the Flue Gas Flapper 1 Undo three screws and remove fan A 2 Remove...

Page 23: ...l not to scratch parts which are in contact with flue gas Use plastic brushes not wire brushes Follow Material Safety Data Sheet MSDS of the cleaning agent manufacturer The cleaning agents must not contain hydrocarbon based solvents or potassium 3 Use a vacuum cleaner to remove residues from heat exchanger A inside the combustion chamber 4 If necessary clean the combustion chamber and heat exchang...

Page 24: ... drain installation IMPORTANT Legend A Open or vented field supplied drainage system B Flexible discharge tubing C Condensate trap D Rubber cap E Threaded cap F Union nut Cleaning condensate trap during regular maintenance 1 Remove rubber cap D from below the condensate trap 2 Unscrew threaded cap E from the condensate trap C Note After unscrewing the threaded cap E it may be necessary to pry off ...

Page 25: ...expansion tank Note With the system cold the filling pressure must be approximately 3 psig higher than the static pressure Maximum operating pressure 80 psig Minimum operating pressure 14 psig 4 When starting up the system for the first time mark this value as the minimum filling pressure on the manometer Note A lower manometer reading usually indicates loss of water due to leakage All leaks must ...

Page 26: ...venters If oil lubricated pumps are used ensure proper lubrication If motorized zone valves are used refer to maintenance instructions provided with zone valves Check Electrical Connections Ensure all plug in connectors and strain reliefs make positive contact and are seated properly Check Gas Pipes and Fittings for Leaks CAUTION Ensure all joints of gas line are pressure tight and that gas valves...

Page 27: ... the gas to obtain Btu per hour input For example A Vitodens 200 W B2HA 150 boiler 530000 Btu h input requires 68 sec to use 10 ft 3 of natural gas After contacting the local utility you will find the heating value is 1000 Btu per ft 3 Therefore 3 600 sec h x 10 revolutions 36 000 68 x 1000 530000 Btu h input The boiler input is correct Burner input formulas for low altitude only INPUT 3600t x 100...

Page 28: ...rs and the burner operates at its upper heating output Select upper heating output select Full load OFF Then Full load ON appears and the burner operates at its upper heating output Terminate with OK or 4 Measure CO2 and O2 content at boiler vent pipe adaptor If the measured values deviated by more than 1 from the acceptable ranges for the respective fuel type listed in the right column or in the ...

Page 29: ...ide the black control cover outwards to access the ON OFF switch Legend A Fault indicator red B ON indicator green C Reset button D ON OFF switch E Pressure gauge Menu There are two control levels available the Standard menu and the Extended menu Standard menu Note If your heating system has 2 or 3 heating circuits You can select the heating circuit HC1 HC2 or HC3 to be displayed in the standard m...

Page 30: ...rotection monitoring s Central heating with standard temperature m Central heating with reduced temperature Party mode enabled Economy mode enabled In conjunction with a solar thermal system Solar circuit pump running A Burner in operation Messages Service message Fault message Extended menu In the extended menu you can adjust and scan the settings from the control unit s range of functions used l...

Page 31: ...The maximum operating boiler water temperature is limited in the burner control unit to 165ºF 74ºC by the electronic temperature control The maximum adjustable high limit of the boiler is 180ºF 82ºC The fixed high limits of the safety chain interlock the burner control unit at 210ºF 99ºC boiler water temperature Combustion Management System The combustion management system utilizes the physical co...

Page 32: ...e see the following diagrams For coding steps starting on page 40 Function system components Code Adjust Group One heating circuit without mixing valve A1 heating circuit 1 without DHW heating 00 1 General 1 One heating circuit with mixing valve A1 with DHW heating code is adjusted automatically 00 2 General 1 System with low loss header 04 0 Boiler 2 System type 1 System Examples for codes 00 1 a...

Page 33: ...em with one heating circuit without mixing valve with without domestic hot water heating without DHW tank with DHW tank 00 3 00 4 General 1 System with low loss header 04 0 Boiler 2 System type 2 System Examples for codes 00 3 and 00 4 Heating system with one heating circuit with mixing valve M2 with system separation with without DHW heating with without low loss header ...

Page 34: ... with mixing valve and system separation with without domestic hot water heating with and without low loss header Function system components Code Adjust Group System with one heating circuit without mixing valve A1 heating circuit 1 and one heating circuit with mixing valve M2 heating circuit 2 code is adjusted automatically without DHW heating with DHW heating 00 5 00 6 General 1 System with low ...

Page 35: ...ting circuit with mixing valve M3 with extension kit and low loss header with without DHW heating Function system components Code Adjust Group System with one heating circuit without mixing valve A1 heating circuit 1 one heating circuit with mixing valve M2 heating circuit 2 and one heating circuit with mixing valve M3 heating circuit 3 without DHW heating code is adjusted automatically without DH...

Page 36: ... water temperature and the supply temperature to these conditions The boiler water temperature is limited upwards by the fixed high limit and the temperature set for the electronic high limit The supply temperature cannot rise above the boiler water temperature Factory settings H slope 1 4 H shift 0 Note If the heating system includes heating circuits with mixing valves then the flow temperature o...

Page 37: ...on 4 OK 5 Room temperature setpoint OK 6 Change with 7 Accept with OK 8 Example 1 Adjusting the room temperature setpoint from 68º F to 79º F 20º C to 26º C Example 2 Adjusting the room temperature setback from 41º F to 57º F 5º C to 14º C Room Temperature Setback 1 2 Select Heating 3 Heating circuit selection 4 OK 5 Red room temperature setpoint OK 6 Change with 7 Accept with OK 8 Changing the sl...

Page 38: ... Unsuccessfully tested participants are designated with Not OK Note To carry out a new participant check create a new participant list with menu item Delete list Note If the participant check is carried out by another control unit the participant number and Wink are shown on the display for approximately 1 minute Scanning and resetting the Service display After the limits specified in coding addre...

Page 39: ...e 97 2 Control unit receives outside temperature Set code 97 1 Control unit receives outside temperature Set code 97 1 LON participant fault monitoring Code 9C 20 LON participant fault monitoring Code 9C 20 LON participant fault monitoring Code 9C 20 Connecting the Boiler Control to a LON System continued The LON communication module accessory must be connected Note The data transfer via the LON c...

Page 40: ...g valve M2 heating circuit 2 and one heating circuit with mixing valve M3 heating circuit 3 without DHW heating code is adjusted automatically 10 5 One heating circuit without mixing valve A1 heating circuit 1 one heating circuit with mixing valve M2 heating circuit 2 and one heating circuit with mixing valve M3 heating circuit 3 with DHW heating code is adjusted automatically Calling up coding le...

Page 41: ...er 77 2 to 77 99 LON participant number adjustable from 1 to 98 1 4 Boiler 5 Cascade 10 98 Vitotronic 200 H Note Allocate each number only once Detached house apartment building 7F 1 Detached house 7F 0 Apartment building Separate adjustment of holiday program and time program for DHW heating possible Lock out controls 8F 0 Operation in the standard menu and extended menu enabled Note The respecti...

Page 42: ...ay the address is automatically set and must be manually reset after a service has been carried out Filling Venting 2F 0 Venting bleeding program fill program disabled 2F 1 Venting bleeding program enabled 2F 2 Fill program enabled Select DHW Coding in the factory setting Possible change Set DHW temperature reheating suppression 67 40 For solar DHW heating Set DHW temperature 104 F 40 C Reheating ...

Page 43: ... circuit pump is reduced when the differential between the actual DHW tank temperature and the set DHW tank temperature is less than 5 K 0A 0 Stagnation time reduction disabled 0A 1 to 0A 40 Temperature differential adjustable from 1 to 40 K Flow rate solar circuit 0F 70 Solar circuit flow rate at the maximum pump speed 7 L minute 0F 1 to 0F 255 Flow rate adjustable from 0 1 to 25 5 L minute 1 ste...

Page 44: ...1 K A5 0 Without heating circuit pump logic function A5 1 to A5 15 With heating circuit pump logic function Heating circuit pump OFF see following table Parameter address A5 With heating circuit pump logic function Heating circuit pump OFF 1 AT RTset 5 K 2 AT RTset 4 K 3 AT RTset 3 K 4 AT RTset 2 K 5 AT RTset 1 K 6 AT RTset 7 to 15 AT RTset 1 K AT RTset 9 K Coding in the factory setting Possible c...

Page 45: ... value is altered through a change in operating mode or through a change in the set room temperature A9 0 Without pump idle time A9 1 to A9 15 With pump idle time adjustable from 1 to 15 Economy function room temperature B5 0 With remote control No room temperature dependent heating circuit pump logic function B5 1 to B5 8 Heating circuit pump logic function see the following table Parameter addre...

Page 46: ...ing program changeover via input DE1 at extension EA1 D8 2 Heating program changeover via input DE2 at extension EA1 D8 3 Heating program changeover via input DE3 at extension EA1 Maximum pump speed in standard mode E6 NOT USED Maximum speed of the variable speed heating circuit pump in of the maximum speed in standard mode Value is specified by boiler specific parameters E6 0 to E6 100 Maximum sp...

Page 47: ...rted 1 to 24 times per day for 10 minutes each time Start temperature raising F8 5 Temperature limit for terminating the reduced mode 23 F 5ºC see example on page 86 Observe the setting of coding address A3 F8 10 to F8 60 Temperature limit adjustable from 50 to 76 F 10 to 60 C F8 61 Function disabled End temperature raising F9 14 Temperature limit for raising the reduced set room temperature 6 8 F...

Page 48: ...evel 2 all codes are accessible including the codes at coding level 1 Codes that have not been assigned due to the heating system equipment level or the setting of other codes are not displayed Heating systems with one heating circuit without mixing valve and one or two heating circuits with mixing valve The heating circuit without mixing valve is designated Heating circuit 1 and the heating circu...

Page 49: ...g code is adjusted automatically Coding in the factory setting Possible change 11 9 No access to the coding addresses for the combustion controller parameters 11 9 Access open to the coding addresses for the combustion controller parameters 2A 0 Without wireless outside temperature sensor 2A 1 With wireless outside temperature sensor automatic recognition 2A 2 Wireless outside temperature sensor n...

Page 50: ...Internal circulation pump function Coding address 3E 3A 5 Function input DE1 Fault message input 3A 6 Function input DE1 Brief operation DHW recirculation pump pushbutton function DHW recirculation pump runtime adjustment Coding address 3D 3B 0 Function input DE2 at extension EA1 Not assigned 3B 1 Function input DE2 Heating program changeover 3B 2 Function input DE2 External demand with set flow t...

Page 51: ...ge input 3C 6 Function input DE3 Brief operation DHW recirculation pump pushbutton function DHW recirculation pump runtime adjustment Coding address 3D 3D 5 DHW recirculation pump runtime for brief operation 5 minutes 3D 1 to 3D 60 DHW recirculation pump off delay adjustable from 1 to 60 minutes 3E 0 Internal circulation pump stays in control mode at signal External blocking 3E 1 Internal circulat...

Page 52: ...tion sK of the internal extension DHW recirculation pump 53 0 Function connection sK Central fault message 53 2 Function connection sK External heating circuit pump heating circuit 1 53 3 Function connection sK External circulation pump for DHW tank heating 54 0 Without solar thermal system 54 1 With Vitosolic 100 automatic recognition 54 2 With Vitosolic 200 automatic recognition 54 3 With solar ...

Page 53: ...h positive pressure flue gas cascade 7F 1 Detached house 7F 0 Apartment building Separate adjustment of holiday program and time program for DHW heating possible 80 6 A fault message is displayed if a fault is active for at least 30 seconds 80 0 Immediate fault message 80 2 to 80 199 Minimum fault duration until fault message occurs adjustable from 10 s to 995 s 1 step 5 seconds 81 1 NOT USED Auto...

Page 54: ...ation interface 95 1 With Vitocom 100 communication interface automatic recognition 97 0 With LON communication module The outside temperature of the sensor connected to the control unit is utilized internally 97 1 Control unit receives outside temperature 97 2 Control unit transmits the outside temperature to the Vitotronic 200 H 98 1 Viessmann system number in conjunction with monitoring several...

Page 55: ... 21 1 to 21 100 Number of hours run before the burner should be serviced is adjustable from 100 to 10 000 h One adjusting step 100 h 23 0 No time interval for burner service 23 1 to 23 24 Interval adjustable from 1 to 24 months 24 0 No Service display 24 1 Service display the address is automatically set and must be manually reset after a service has been carried out 28 0 No burner interval igniti...

Page 56: ...ank connected downstream of the low loss header 5E 0 Circulation pump for DHW tank heating stays in control mode at signal External blocking 5E 1 Circulation pump for DHW tank heating stops at signal External blocking 5E 2 Circulation pump for DHW tank heating starts at signal External blocking 5F 0 Circulation pump for DHW tank heating stays in control mode at signal External demand 5F 1 Circulat...

Page 57: ...s 6C 100 NOT USED Set speed internal circulation pump with DHW heating 100 6C 0 to 6C 100 Set speed adjustable from 0 to 100 6F Maximum output for DHW heating in specified by the boiler coding card 6F 0 to 6F 100 Maximum output for DHW heating adjustable from minimum output to 100 71 0 DHW recirculation pump ON in accordance with the time program 71 1 OFF during DHW heating to first set value 71 2...

Page 58: ...PWM control 03 10 The temperature differential between the collector temperature and actual DHW tank temperature is regulated to 10 K 03 5 to 03 20 The differential temperature control between collector temperature and actual DHW tank temperature can be adjusted from 5 to 20 K 04 4 Controller amplification of the speed control 4 K 04 1 to 04 10 Controller amplification adjustable from 1 to 10 K 05...

Page 59: ...ion function switched on not required with Viessmann heat transfer medium 0C 1 t monitoring switched on No flow rate captured in the solar circuit or flow rate too low 0C 0 t monitoring switched off 0D 1 Night circulation monitoring switched on Unintentional flow rate is captured in the solar circuit e g at night 0D 0 Night circulation monitoring switched off 0E 1 Calculation of solar yield with V...

Page 60: ...ature is exceeded at the collector temperature sensor 12 0 Minimum collector temperature function switched off 12 1 to 12 90 Minimum collector temperature adjustable from 34 to 194 F 1 to 90 C 20 0 No extended control functions enabled 20 1 Auxiliary function for DHW heating 20 2 Differential temperature control 2 20 3 Differential temperature control 2 and auxiliary function 20 4 Differential tem...

Page 61: ...e from 0 to 100 K 26 1 Priority for DHW tank 1 with alternate heating Only when setting code 20 8 26 0 Priority for DHW tank 1 without alternate heating 26 2 Priority for DHW tank 2 without alternate heating 26 3 Priority for DHW tank 2 with alternate heating 26 4 Alternate heating without priority for one of the DHW tank 27 15 Alternate heating time 15 minutes The DHW tank without priority is hea...

Page 62: ...y applied to mixing valve the heating circuit receives a reduced amount of energy A3 2 Outside temperature below 34 F 1 C Heating circuit pump ON Outside temperature above 37 F 3 C Heating circuit pump OFF A3 9 to A3 15 Heating circuit pump ON OFF see following table Note When selecting a value below 1 C there is a risk of pipes outside the thermal envelope of the building freezing up The standby ...

Page 63: ... 5 K 2 AT RTset 4 K 3 AT RTset 3 K 4 AT RTset 2 K 5 AT RTset 1 K 6 AT RTset 7 to 15 AT RTset 1 K AT RTset 9 K Coding in the factory setting Possible change A6 36 Extended economy function disabled A6 5 to A6 35 Extended economy function enabled i e the burner and heating circuit pump will stop and the mixing valve close at a variable value adjustable between 41 and 95 F 5 and 35 C plus 1 8 F 1 C T...

Page 64: ...ther compensated B0 3 Heating mode reduced mode with room temperature hook up B2 8 With remote control unit and for the heating circuit operation with room temperature hook up must be programmed Room influence factor 8 change the code only for the heating circuit with mixing valve B2 0 Without room influence B2 1 to B2 64 Room influence factor adjustable from 1 to 64 B5 0 With remote control No ro...

Page 65: ... standard room temperature subject to coding address 3A 3B and 3C D6 0 Heating circuit pump stays in control mode at signal External blocking D6 1 Heating circuit pump stops at signal External blocking subject to coding addresses 3A 3B and 3C D6 2 Heating circuit pump starts at signal External blocking subject to coding addresses 3A 3B and 3C D7 0 Heating circuit pump stays in control mode at sign...

Page 66: ...ing circuit pump 45 of the maximum speed during operation with reduced room temperature E9 0 to E9 100 Speed adjustable from 0 to 100 of the maximum speed during operation with reduced room temperature F1 0 Slab curing function disabled F1 1 to F1 6 Slab curing adjustable in accordance with 6 selectable temperature time profiles F1 15 Constant flow temperature 68 F 20 C F2 8 Time limit for party m...

Page 67: ...g circuit connection set will be started 1 to 24 times per day for 10 minutes each time F8 5 Temperature limit for terminating the reduced mode 23 F 5ºC see example on page 86 Observe the setting of coding address A3 F8 10 to F8 60 Temperature limit adjustable from 50 to 76 F 10 to 60 C F8 61 Function disabled F9 14 Temperature limit for raising the reduced set room temperature 6 8 F 14ºC see exam...

Page 68: ...r information on operating data see chapter Brief scan Note appears on the display if a sensor that has been scanned is faulty Calling up operating data 1 Press OK and simultaneously for approximately 4 seconds 2 Diagnosis 3 Select required group e g General Press OK and simultaneously for approximately 4 seconds Note Do not adjust menu item Multi boiler system The menu item turns a weather compen...

Page 69: ...ng values can be scanned depending on the system installed For an explanation of the relevant values in the individual lines and fields see the following table Line brief scan Field 1 2 3 4 5 6 1 System type 01 to 10 Software version control unit Software version programming unit 2 0 0 Appliance version Device identification ZE ID 3 0 Number of KM BUS participants Software version solar control mo...

Page 70: ...ontrol Remote control 0 w o 1 Vitotrol 200 200A 200 RF 2 Vitotrol 300 300A 300 RF or Vitohome Software version remote control 10 only for KM BUS circulation pumps Internal circulation pump Heating circuit pump heating circuit M2 Heating circuit pump heating circuit M3 Variable speed pump 0 Without 1 Wilo 2 Grundfos Software version variable speed pump 0 No variable speed pump Variable speed pump 0...

Page 71: ...ng valve HC2 Close Mixing valve close output enabled extension to heating circuit with mixing valve Htg circ pump HC3 On Heating circuit pump output enabled extension to heating circuit with mixing valve Mixing valve HC3 Open Mixing valve open output enabled extension to heating circuit with mixing valve Mixing valve HC3 Close Mixing valve close output enabled extension to heating circuit with mix...

Page 72: ...ction 0F Control mode Code 0F is only displayed in the fault history Service required Note After servicing select code 24 0 10 Boiler operates based on outdoor temperature of 32 F 0 C Short circuit on outdoor temperature sensor Check the outdoor temperature sensor see page 80 18 Boiler operates based on outdoor temperature of 32 F 0 C Outdoor temperature sensor cable broken Check the outdoor tempe...

Page 73: ...e broken Check the supply temperature sensor see page 81 4C Mixing valve closes Flow temperature sensor cable broken circuit 3 with mixing valve Check flow temperature sensor see page 81 50 No DHW heating Short circuit on DHW tank temperature sensor Check the DHW sensor see page 81 58 No DHW heating Tank temperature sensor cable broken Check the DHW sensor see page 81 90 Control mode Short circuit...

Page 74: ...gm expansion vessel Vent the heating system A7 Control mode stays in factory default setting Faulty programming unit Replace the programming unit B0 141 Burner blocked Flue gas temperature sensor shorted out Check flue gas temperature sensor see page 81 B1 Control mode stays in factory default setting Communication fault programming unit internal Check connections and replace programming unit if r...

Page 75: ...Check connections cable coding address A0 in Heating circuit group and remote control unit setting BF Control mode Incorrect LON communication module Replace LON communication module C1 Control mode Communication fault extension EA1 Check connections C2 Control mode Communication fault solar control unit or Vitosolic Check solar control or Vitosolic C3 Control mode Extension AM1 communication faul...

Page 76: ...rol mode without room influence Room temperature sensor cable broken heating circuit 1 without mixing valve Check the room temperature sensor heating circuit 1 and the remote control setting see page 81 DE Control mode without room influence Room temperature sensor cable broken heating circuit 2 with mixing valve Check the room temperature sensor heating circuit 2 and the remote control settings s...

Page 77: ...ent lies outside the permissible range Check gas supply gas pressure and gas flow limiter gas valve and connecting lead Check allocation of gas type see page 15 Check ionization electrode Distance to burner gauze assembly see page 23 Contamination of electrode Press reset button R EA 193 Burner in a fault mode The ionization current lies outside the permissible range during calibration deviation f...

Page 78: ...ck flue gas ventilation air system for flue gas recirculation Check ionization electrode replace if required Distance to burner gauze assembly see page 23 Contamination of electrode Press reset button R F0 Burner blocked Internal fault Replace the control unit F1 135 Burner in a fault mode Maximum flue gas temperature exceeded 230ºF 110ºC limit Check heating system fill level Bleed air from system...

Page 79: ... control unit if fault persists Burner in a fault state Fault burner control unit Check ignition electrodes and connecting cables Check whether a strong interference EMC field exists near the appliance Press reset button R Replace control unit if fault persists FE 158 159 162 or 225 Burner in fault mode Damaged or incorrect boiler coding card or main PCB Press reset button R If the fault persists ...

Page 80: ...ype NTC 10 kΩ Check fuse 1 Switch OFF the power 2 Release side latches and pivot the control unit down 3 Remove cover A 4 Check fuse F1 see wiring diagram on page 90 Outdoor temperature Resistance in k Ohms Check fuses in the external accessories connection box 1 Switch OFF the power 2 Open external accessories connection box and check fuses F1 and F2 see wiring diagram on page 90 Continuous boile...

Page 81: ...emperature sensor or Low loss header temperature sensor Pull plug X3 from the control unit and check the resistance across terminals X3 4 and X3 5 Note Only one temperature sensor may be used 2 Check the sensor resistance and compare the actual values with the curve 3 Replace the sensor in the case of severe deviation Sensor type NTC 10 kΩ Check the flue gas temperature sensor The flue gas tempera...

Page 82: ...inued Replacing the flow rate sensor Note In the event of a fault both sensors need to be replaced 1 Drain the boiler on the heating water side 2 Pull leads from flow rate sensor A 3 Undo screws and remove faulty flow rate sensor A 4 Install new flow rate sensor A and secure with the screws ...

Page 83: ... motor is turning in the wrong direction or the mixing valve set is incorrectly fitted Checking the rotational direction of the mixing valve motor After being switched on the boiler implements a self test During this the mixing valve is opened and closed again Changing the rotational direction of the mixing valve motor if required 1 Remove the upper casing cover of the extension kit 2 At plug gS s...

Page 84: ...ections A1 and A2 Heating circuit pump for the heating circuit without mixing valve Circulation pump for DHW tank heating DHW recirculation pump Function assignment Function Code General group Output A1 Output A2 DHW recirculation pump 28 Heating circuit pump 20 Circulation pump for DHW tank heating 21 33 0 33 1 delivered condition 33 2 34 0 delivered condition 34 1 34 2 Select the output function...

Page 85: ...s EA1 Legend A1 PCB F1 Fuse DE1 Digital input 1 DE2 Digital input 2 DE3 Digital input 3 0 10 V 0 10 V input fÖ Power supply fÖ Power supply for additional accessories aBJ Central fault message feed pump DHW recirculation pump potential free aVG KM BUS Refer to main wiring diagram on page 90 ...

Page 86: ... address F2 in the Heating circuit group Effect of the external blocking function on the pumps The effect on the internal circulation pump is selected in coding address 3E in the General group The effect on the respective heating circuit pump is selected in coding address D6 in the Heating circuit group The effect on a circulation pump for DHW tank heating is selected in coding address 5E in the D...

Page 87: ...ding address F2 Heating program changeover Coding Changeover via input DE1 D8 1 Changeover via input DE2 D8 2 Changeover via input DE3 D8 3 Heating program changeover Coding Input DE1 3A 1 Input DE2 3B 1 Input DE3 3C 1 External blocking The External blocking and External blocking and fault message input functions are connected via extension EA1 There are 3 inputs available at extension EA1 DE1 to ...

Page 88: ...ure based on coding address FA 50 C 20 60 C D Duration of operation with raised boiler water supply temperature based on coding address FB 60 minutes Venting program During the venting program the circulation pump will be alternately switched on and off for 30 seconds respectively over a period of 20 minutes The burner is switched off during the venting program Activate venting program See Venting...

Page 89: ...n with reduced room temperature Allocating heating circuits to the remote control The heating circuit allocation must be configured when commissioning the Vitotrol 200A or Vitotrol 300A Heating circuit Configuration Vitotrol 200A Vitotrol 300A The remote control affects the heating circuit without mixing valve A1 The remote control affects the heating circuit with mixing valve M2 The remote contro...

Page 90: ...nce must be replaced it must be replaced with the exact equivalent CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Only one function accessory may be assigned to each connection WARNING DISCONNECT POWER BEFORE SERVICING BOILER ...

Page 91: ...Header 3 Boiler Temperature Sensor High Limit Sensor 3A Boiler Temperature Sensor High Limit Sensor 5 DHW Temperature Sensor 11 Ionization Electrode 15 Flue Gas temperature Sensor 20 Boiler Pump 21 DHW Pump 21 Pump Output Connection 28 20 Programmable Pump Output 35 Gas Valve 40 Power Supply 40A Accessory Power Output 53 Powered Accessory Connection 54 Ignition Transformer 96 Powered Accessory Con...

Page 92: ... 5 seconds If the flame is not established after 3 trials the burner will lock out and will require a manual reset Controller required time for flame stabilization Phase 6 Burner modulation operation or calibration At the end of the flame stabilization period 4 5 seconds a release for modulation occurs and the burner temperature controller will take over from the flame safeguard Forced shutdown af...

Page 93: ...ting clip Set of 2 0010 Nameplate 0011 Electrical box 0012 Electrical box cover 0013 Support bracket for panel 0014 Grommet for p trap 0015 Wall mount bracket Other Parts not illustrated 0401 Touch up spray paint Vitowhite 0402 Touch up paint stick Vitowhite 0403 Lubricant 6g Ordering Replacement Parts Please provide model no from rating plate A and serial no when ordering replacement parts Order ...

Page 94: ... Assembly 0001 Heat exchanger assembly with piping 0002 Gas valve CES Big 120 1 60 0003 MatriX cylinder burner assembly 0004 Vent pipe adaptor 110 150 0005 Flue gas sensor 0006 Combustion chamber door refractory 0007 Gasket D 150mm for air intake 0008 Gasket DN110 for flue gas 0009 Connection flange with gas ball valve 0010 Grommet DN110 for flue gas 0011 Test port cap Set of 2 0012 P Trap 0013 Co...

Page 95: ...cement parts Order replacement components from your Viessmann distributor Parts for Burner Assembly 0001 Burner gasket D408mm 0002 Combustion chamber door refractory 0003 Burner tube NG LP 0004 Gasket for burner tube 0005 Burner mounting flange assembly 0006 Radial fan NRG137 0007 Ionization electrode 0008 Ignition electrode with gasket 0009 Gasket for ignition electrode 0010 Gasket for ionization...

Page 96: ...onsole 0002 Control housing rear 0003 Coding plug 0004 Fuse 6 3A 250V Pkg of 10 0005 Fuse holder 0007 Vitotronic 200 HO1B 0008 LON communication module H01B 0009 Circuit board LON module adaptor 0010 Cable harness X8 X9 ioniz 0011 Cable harness 100 35 54 PE 0012 Cable harness GDW1 GDW2 0013 Counter plug Neptune 0014 Cable strain relief Set of 10 0015 Locking assembly left right 0016 Outdoor temper...

Page 97: ...el no from rating plate and serial no when ordering replacement parts Order replacement components from your Viessmann distributor Model No Serial No B2HA 112 Boiler 7510835 B2HA 150 Boiler 7510836 Parts for Hydronic Assembly 001 Clip D8mm Set of 5 002 Boiler temperature sensor Set of 2 003 Pressure gage with clip and gasket 004 Flow sensor ...

Page 98: ... MBH kW MBH kW 113 399 33 117 103 375 30 110 113 530 33 155 103 495 30 145 DOE AHRI Gross output Net AHRI Rating B MBH kW MBH kW 371 109 323 95 490 144 426 125 Heat exchanger surface area ft 2 m2 36 78 3 41 36 78 3 41 Min gas supply pressure Natural gas Liquid propane gas w c w c 4 10 4 10 Max gas supply pressure 1 Natural gas Liquid propane gas w c w c 14 14 14 14 CSA thermal efficiency ANSI Z21 ...

Page 99: ...nstallation must include Viessmann protective screen For details refer to the Installation Instructions for the Vitodens 200 W B2HA Venting System 8 Add approximately 2b inches 65 mm for coaxial vent pipe transition adaptor For information regarding other Viessmann System Technology componentry please reference the documentation of each respective product Boiler Model No B2HA 112 150 A Dimensions ...

Page 100: ...Vitodens 200 W B2HA 112 150 Service 5683 710 09 100 Additional Information Maintenance Record ...

Page 101: ... result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS 1 STOP Read the safety information above on this label 2 Set thermostat or other operating control to lowest setting 3 ...

Page 102: ...Vitodens 200 W B2HA 112 150 Service 5683 710 09 102 ...

Page 103: ...Vitodens 200 W B2HA 112 150 Service 103 5683 710 09 ...

Page 104: ...Vitodens 200 W B2HA 112 150 Service 5683 710 09 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper ...

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