Viessmann Vitodens 200-W WB2B Series Service Instructions For Contractors Download Page 18

Page: 18 / 120

Switch OFF the main power supply
and the ON/OFF switch at the con-
trol unit.

Close the gas shut-off valve and
safeguard against reopening.

Unlock control unit

and pivot

forwards.

Remove cover panel

Pull cables from fan motor

, gas

train

, ignition unit

, earth tab

and ionisation electrode

Release gas supply pipe fittings

Undo six screws

and remove

the burner.

Check burner gasket

for

damage. Replace gasket, if
required.

Further details regarding the individual steps

(cont.)

Commissioning, inspection, maintenance

5692

761

Summary of Contents for Vitodens 200-W WB2B Series

Page 1: ...instructions for contractors Vitodens 200 W Type WB2B 80 and 105 kW Wall mounted gas fired condensing boiler Natural gas version For applicability see the last page VITODENS 200 W 5692 761 GB 1 2008...

Page 2: ...legal instructions regarding the prevention of accidents all legal instructions regarding environmental protection the Code of Practice of relevant trade associations all current safety regulations a...

Page 3: ...loads Repair work Please note Repairing components which fulfil a safety function can com promise the safe operation of your heating system Replace faulty components only with original Viessmann spare...

Page 4: ...y 68 Fault codes 70 Repairs 81 Function description Constant temperature control unit 88 Weather compensated control unit 89 Extensions for external connections accessories 91 Control functions 95 Rem...

Page 5: ...uage if required only for weather compensated control units 11 10 Checking the gas type 12 11 Function sequence and possible faults 12 12 Checking the static and supply pressure 14 13 Setting the maxi...

Page 6: ...ll gas equipment for tightness at operating pressure 22 25 Flue gas emissions test 23 26 Matching the control unit to the heating system 24 27 Adjusting the heating curves only for weather compensated...

Page 7: ...at the bottom and remove front panel B 2 Release the side closures and pivot control unit C down 3 Undo screws and remove cover panel D Further details regarding the individual steps 7 Commissioning...

Page 8: ...Vitoset pricelist Single boiler system and multi boiler systems 200 kW 11 2 dH 2 0 mol m3 Multi boiler systems 200 kW 8 4 dH 1 5 mol m3 An antifreeze additive suitable for heating systems can be mixed...

Page 9: ...se is audible 6 Close shut off valve E and open shut off valve D 7 Vent the second indirect coil through shut off valve D at mains pressure until no more air noise is audible 8 Close valves C and F 9...

Page 10: ...the display shows EL constant temperature control unit or Entl ftung Venting weather compensated control unit 3 Check the system pressure Filling the siphon with water 1 Pull off cap A downwards 2 Un...

Page 11: ...g keys 1 a b for the current time 2 d to confirm Datum is dis played 3 a b for the current date 4 d to confirm Selecting the language if required only for weather com pensated control units Note When...

Page 12: ...the gas type and Wobbe index from your gas supply utility 2 Record the gas type in the service report on page 112 Wobbe index ranges Gas type Wobbe index range kWh m3 MJ m3 Delivered condition Natura...

Page 13: ...and the gas pipe for air locks Yes Burner in opera tion No Stops below the set boiler water temperature and restarts immedi ately Check the flue gas system for soundness flue gas recirculation check t...

Page 14: ...ct the pressure gauge 3 Open the gas shut off valve 4 Measure the static pressure and record it in the service report on page 112 Set value max 57 5 mbar 5 Start the boiler Note During commissioning t...

Page 15: ...ow pressure Remedy below 15 mbar Do not commission and notify the gas supply utility 15 to 25 mbar Start the boiler above 25 mbar Install a separate gas pressure governor upstream of the system and se...

Page 16: ...an also be limited for DHW heating For this change coding address 6F in code 2 Checking the balanced flue system for tightness annular gap check A Combustion air port For balanced flue systems tested...

Page 17: ...e O2 concentration is at least 20 6 If actual CO2 values are higher or O2 values are lower then pressure test the flue pipe with a static pressure of 200 Pa Removing the burner and checking the burner...

Page 18: ...forwards 4 Remove cover panel B 5 Pull cables from fan motor C gas train D ignition unit E earth tab F and ionisation electrode G 6 Release gas supply pipe fittings H 7 Undo six screws K and remove th...

Page 19: ...e thermal insulation ring C 3 Release four Torx screws D and remove burner gauze assembly E 4 Remove old burner gauze assem bly gasket F 5 Insert a new burner gauze assem bly with a new gasket and sec...

Page 20: ...wire gauze 3 Check the electrode gaps If the gaps are not as specified or the electrodes are damaged replace and align the electrodes together with new gaskets Tighten the elec trode fixing screws wit...

Page 21: ...ughly flush the heating surfaces A with water 4 Install the burner and torque screws diagonally with 12 Nm 5 Fit the gas supply pipe with a new gasket Torque fittings with 10 Nm 6 Check the gas connec...

Page 22: ...ntil the pressure gauge indicates 0 2 If the inlet pressure of the dia phragm expansion vessel is lower than the static system pressure top up with nitrogen until the inlet pressure is raised by 0 1 t...

Page 23: ...ghtness see page 16 Note During commissioning the combustion control unit carries out an automatic calibration Only test the emissions approx 30 s after the burner has started 1 Connect a flue gas ana...

Page 24: ...ng press d 9 Enter actual values into the service report Matching the control unit to the heating system The control unit must be matched to the equipment level of the system Various system components...

Page 25: ...nly for constant temperature control units 3 Heating circuit pump 4 Cylinder primary pump 5 DHW cylinder 6 Cylinder temperature sensor 7 Heating circuit without mixer A1 8 Heating circuit pump A1 9 Lo...

Page 26: ...ng circuit pump A1 9 Heating circuit with mixer M2 qP Temperature limiter for limiting the max temp of underfloor heating systems qQ Flow temperature sensor M2 qW Heating circuit pump M2 qE Extension...

Page 27: ...uit with mixer M2 qW Flow temperature sensor M2 qE Heating circuit pump M2 qR Extension kit for one heating cir cuit with mixer M2 qT Vitotronic 200 H for heating cir cuits M1 M2 and M3 qZ Heating cir...

Page 28: ...Heating circuit pump M2 qQ Extension kit for one heating cir cuit with mixer M2 qW Heating circuit with mixer M3 qE Temperature limiter for limiting the max temp of underfloor heating systems qR Flow...

Page 29: ...put it simply The lower the outside temperature the higher the boiler water or flow temperature The room temperature again depends on the boiler water or the flow temperature Settings in the delivere...

Page 30: ...et of the heating curve 1 Slope Change with coding address d3 in code 1 Setting range 2 to 35 equals slope 0 2 to 3 5 2 Level Change with coding address d4 in code 1 Setting range 13 to 40 K Further d...

Page 31: ...ith rotary selector ts The value will be automatically accepted after approx 2 s Accordingly the heating curve is adjusted along set room tempera ture axis C which results in modi fied start stop char...

Page 32: ...further functions via code 2 see the following table Note In the same LON system the same number cannot be allocated twice Only one Vitotronic may be programmed as fault manager Boiler control unit V...

Page 33: ...the following keys 1 L d simultaneously for approx 2 s Subscriber check initiated see page 33 2 e The subscriber list is updated after approx 2 min The subscriber check is completed Carrying out a su...

Page 34: ...st hand the operating instructions to the system user and instruct him her in the operation of the system Scanning and resetting the Service display The red fault indicator flashes when the limits set...

Page 35: ...n guishes Note If coding address 24 is not reset the Service message reappears On a constant temperature con trol unit After 24 hours On a weather compensated con trol unit At 07 00 h on Monday 2 Rese...

Page 36: ...d4 for the heat ing circuit without mixer A1 are scanned then the coding addresses for the heating circuit with mixer M2 are scanned Press the following keys 1 K L simultaneously for approx 2 s 2 a b...

Page 37: ...ng circuit with mixer M2 without DHW heating 00 6 System version 2 1 heating circuit without mixer A1 1 heating cir cuit with mixer M2 with DHW heating Single and multi boiler system 01 1 Single boile...

Page 38: ...ity only ap plicable to mixer A2 3 to A2 15 Reduced priority applied to mixer the heating cir cuit receives a reduced amount of energy Summer econ A1 M2 A5 5 With heating circuit pump logic function o...

Page 39: ...equipment level or the set ting of other codes will not be dis played Press the following keys 1 L G simultaneously for approx 2 s 2 d to confirm 3 a b for the required coding address the address fla...

Page 40: ...ixer M2 are scanned Coding Coding in the delivered condition Possible change System design 00 1 System version 1 and 3 1 heating circuit without mixer A1 without DHW heating 00 2 System version 1 and...

Page 41: ...cy mode in case of insuffi cient system pressure disabled 0d 1 Function Emergency mode in case of insuffi cient system pressure enabled Minimum system pres sure see page 8 The burner starts with the l...

Page 42: ...t temperature control units 25 1 Outside temperature sen sor and fault monitoring recognised 28 0 No burner interval igni tion 28 1 to 28 24 Time interval adjustable from 1 to 24 h The burn er is forc...

Page 43: ...l funct OFF 2 Control funct Control funct OFF Control funct 3 Control funct Control funct OFF OFF 4 Control funct OFF Control funct Control funct 5 Control funct OFF Control funct OFF 6 Control funct...

Page 44: ...funct OFF Control funct Control funct 5 Control funct OFF Control funct OFF 6 Control funct OFF OFF Control funct 7 Control funct OFF OFF OFF 8 OFF Control funct Control funct Control funct 9 OFF Con...

Page 45: ...51 1 If the burner operates the circulation pump in the heating circuit con nection set will only be started when there is a heat demand System with heating water buffer cylinder 52 0 Without flow tem...

Page 46: ...low the set value 5b 0 DHW cylinder directly connected to the boiler 5b 1 DHW cylinder connected downstream of the low loss header 60 20 During DHW heating the boiler water tem perature is max 20 K hi...

Page 47: ...ump ON in accordance with the time program only for weather com pensated control units 72 1 OFF during DHW heat ing to the second set value 72 2 ON during DHW heat ing to the second set value 73 0 DHW...

Page 48: ...0 Apartment block Separate adjustment of holiday program and time program for DHW heat ing as option 80 1 A fault message is dis played providing a fault is active for at least 5 s 80 0 Immediate fau...

Page 49: ...128 Time constant for calcu lating the adjusted out side temperature 21 3 hours 90 0 to 90 199 Fast low values or slow high values matching of the flow temperature subject to the set value when the o...

Page 50: ...in case of external de mand 9b 1 to 9b 127 Minimum set boiler water temperature adjustable from 1 to 127 C limited by the boiler coding card 9C 20 Monitoring LON sub scribers When there is no re spons...

Page 51: ...ount of energy A3 2 Outside temperature below 1 C Heating cir cuit pump ON Outside temperature above 3 C Heating cir cuit pump OFF A3 9 to A3 15 Heating circuit pump ON OFF see the fol lowing table Pl...

Page 52: ...gic function economy circuit Heat ing circuit pump OFF if the outside tempera ture AT is 1 K higher than the set room tem perature RTset AT RTset 1 K only for weather compen sated control units A5 0 W...

Page 53: ...g down of an average building into considera tion A7 0 Without mixer economy function only for weath er compensated control units A7 1 With mixer economy function extended heat ing circuit pump logic...

Page 54: ...hook up b0 2 Heating mode with room temperature hook up Reduced mode weather compensated b0 3 Heating mode reduced mode with room tem perature hook up b2 8 Heating with room tem perature hook up must...

Page 55: ...its C5 1 to C5 127 Minimum temperature limit adjustable from 1 to 127 C limited by the boiler coding card C6 74 Electronic maximum flow temperature limit 74 C only for weather compensated control unit...

Page 56: ...speed heating circuit pump only for weather com pensated control units E5 1 With variable speed heat ing circuit pump will be recognised automatically E6 65 Maximum speed of the variable speed heating...

Page 57: ...pera ture 20 C F2 8 Time limit for party mode 8 hours or exter nal heating program changeover via the key board only for weather compensated control units 1 F2 0 No time limit for party mode F2 1 to F...

Page 58: ...only for constant tempera ture control units F7 0 In the Standby operat ing mode the circulation pump in the heating cir cuit connection set is per manently OFF F7 1 to F7 24 In the Standby operat ing...

Page 59: ...0 Fb 30 Duration for raising the set boiler water tem perature or the set flow temperature see cod ing address FA 60 min See example on page 100 only for weather compensated control units Fb 0 to Fb 1...

Page 60: ...pprox 3 s 69 Fault history Press G and d simulta neously for approx 2 s Press d 70 Subscriber check in con junction with LON Press L and d simulta neously for approx 2 s Press L and d si multaneous ly...

Page 61: ...A1 Slope M2 level M2 Outside temp adj Outside temp actual The adjusted outside temperature can be reset to the actual outside temperature with e Boiler temp set Boiler temp actual DHW temp set DHW tem...

Page 62: ...urner control unit Equipment type 5 0 no ex ternal de mand 1 exter nal de mand 0 no ex ternal blocking 1 exter nal blocking 0 External 0 to 10 V hook up Display in C 0 no external hook up 6 Number of...

Page 63: ...pump 0 no vari able speed pump Constant temperature control unit Press the following keys 1 K G simultaneously for approx 2 s 2 a b for the required scan 3 d Scanning is completed The following value...

Page 64: ...t d 0 0 0 Variable speed pump 0 w o 1 Wilo 2 Grundfos Software version variable speed pump 0 no vari able speed pump Checking outputs relay test Weather compensated control unit Press the following ke...

Page 65: ...relay outputs can be controlled subject to system design Display screen Explanation 1 Burner modulation base load 2 Burner modulation full load 3 Internal pump output 20 ON 10 Output sK internal exten...

Page 66: ...loss header Burner h Burner cycles Actual hours run Hours run and burner starts reset after mainte nance with e to 0 Solar energy kW h Time Date Burner OFF ON Intern pump OFF ON Output 20 Intern outpu...

Page 67: ...emperature 3 65 C F Actual boiler water temperature 5 50 C F Actual cylinder temperature if a cylinder temperature sensor is installed 5 45 C F Solar actual DHW temperature 6 70 C F Actual collector t...

Page 68: ...emperature control unit In case of a fault the fault code and fault symbol is displayed at the pro gramming unit Weather compensated control unit The display flashes Fault if a fault message is issued...

Page 69: ...ther fault codes 2 d All fault messages are acknowledged simulta neously the fault display will be deleted and the red fault indicator continues to flash Weather compensated control unit Press the fol...

Page 70: ...stem char acteristics Cause Measures 0F X X Control mode Service Service the equip ment After the service set cod ing address 24 0 10 X Regulates as if the outside temperature was 0 C Outside tem pera...

Page 71: ...blocked Boiler water temperature sensor lead broken Check the boiler water tempera ture sensor see page 82 40 X Mixer closes Heating cir cuit with mixer M2 flow tem perature sensor shorted out Check t...

Page 72: ...to the Vitosolic at S3 Check the sensor at the Vitosolic 94 X X Control mode Temperature sensor shorted out connects to the Vitosolic at S2 Check the sensor at the Vitosolic 9A X X Control mode Colle...

Page 73: ...unit service instruc tions A2 X Emergency mode with in sufficient sys tem pressure triggered by code 0d see page 41 System pressure too low Top up with water A4 X Control mode Max system pressure ex...

Page 74: ...if faulty bA X Mixer M2 reg ulates to a flow tempera ture of 20 C Communica tion fault extension kit for heating circuit M2 Check the exten sion kit connec tions and coding Start the exten sion kit bC...

Page 75: ...nection set Check the setting of coding address 30 C6 X Control mode max pump speed Communica tion fault variable speed circu lation pump heating circuit M2 Check setting of coding address E5 C7 X X C...

Page 76: ...orted out Check the room temperature sen sor heating cir cuit with mixer M2 dd X Control mode without room influence Room tem perature sensor heat ing circuit A1 lead broken Check the room temperature...

Page 77: ...tate The ionisa tion current lies outside the permissi ble range Check the ionisa tion electrode and cable Press E RESET E9 X X Burner in a fault state The ionisa tion current lies outside the permiss...

Page 78: ...ctrode and cable Press E RESET Ed X X Burner in a fault state Internal fault Replace the con trol unit F0 X X Burner blocked Internal fault Replace the con trol unit F2 X X Burner in a fault state The...

Page 79: ...ort circuit or water pressure sensor lead broken Check the water pressure sensor and the intercon necting cable F8 X X Burner in a fault state The fuel valve closes too late Check the gas train Check...

Page 80: ...the boiler coding card Check whether a strong interference EMC field exists near the equip ment Confirm E RESET Re place control unit if the fault per sists FE X X Burner blocked or in a fault state S...

Page 81: ...rature sensor across term inals X3 1 and X3 2 on the dis connected plug and compare it with the curve 3 Where actual values strongly devi ate from the curve values discon nect the wires at the sensor...

Page 82: ...Checking the boiler water temperature sensor the cylinder temperature sensor or the flow temperature sensor for a low loss header Repairs cont 82 Troubleshooting 5692 761 GB...

Page 83: ...inals X3 4 and X3 5 2 Check the sensor resistance and compare the actual values with the curve 3 Replace the sensor in case of severe deviation Danger The boiler water tempera ture sensor is immersed...

Page 84: ...the continuity of the tem perature limiter with a multimeter 3 Remove the faulty temperature lim iter 4 Install a new temperature limiter 5 After commissioning press reset button E RESET at the contr...

Page 85: ...and wiring diagram Extension kit for heating circuit with mixer Checking the rotational direction of the mixer motor 1 Switch ON OFF switch A at the extension kit first OFF and then ON again The devic...

Page 86: ...the mixer set is incorrectly fitted Mixer installation instruc tions Changing the rotational direction of the mixer motor if required Danger An electric shock can be life threatening Before opening t...

Page 87: ...con dition Switch position II for central heat ing return from the right Checking the Vitotronic 200 H accessories The Vitotronic 200 H is connected to the control unit via the LON To test the connect...

Page 88: ...b a Setting values d Confirmation c Information e Standard settings Reset Heating operation The selected set boiler water tem perature will be maintained when a demand is being raised by the room ther...

Page 89: ...circulation pump run on time will begin if the actual cylinder tempera ture exceeds the set cylinder tem perature by 2 5 K Weather compensated control unit Control and display elements A Pressure gau...

Page 90: ...ed set boiler water tem perature is transferred to the burner control unit From the set and actual boiler water temperatures the burner control unit calculates the modulation level and regulates the b...

Page 91: ...ing period is selected for the fourth time phase The set temperature value for the heating boost is adjustable in coding address 58 Extensions for external connections accessories Internal extension H...

Page 92: ...Central fault message coding address 53 0 DHW circulation pump coding address 53 1 only for weather compensated operation Heating circuit pump for a heating circuit without mixer coding address 53 2 C...

Page 93: ...g address 53 2 Cylinder primary pump coding address 53 3 An extractor can be switched OFF via connection aBJ when the burner starts External extension H1 The external extension is connected to the boi...

Page 94: ...ting program changeover terminals 1 2 only for weather compen sated operation The allocation of the function External heating program changeover is set via coding address 91 aVF External set value 0 t...

Page 95: ...ating program changeover The External heating program chan geover function is connected via external extension input aVD You can select which heating circuits the heating program changeover affects in...

Page 96: ...d have on the connected cir culation pumps External demand The External demand function is connected via the external extension input aVD In coding address 34 you can select the influence the Ext dema...

Page 97: ...be held at the selected profile After completion 30 days the mixer circuit will again be regulated automatically via the set parameters Observe EN 1264 The report to be provided by the heating contra...

Page 98: ...profile 2 ZV parquet and flooring technology code F1 2 Temperature profile 3 Code F1 3 Temperature profile 4 Code F1 4 Temperature profile 5 Code F1 5 Control functions cont 98 Function description 5...

Page 99: ...re can be automatically raised subject to the outside tempera ture The temperature is raised in accordance with the selected heating curve but no higher than the set stan dard room temperature The out...

Page 100: ...uced room temperature to operation with standard room tem perature the boiler water or flow tem perature will be raised in accordance with the selected heating curve The boiler water or flow temperatu...

Page 101: ...eating curve C Set boiler water or flow tempera ture in accordance with coding address FA 50 C 20 60 C D Duration of operation with raised set boiler water or flow tempera ture in accordance with codi...

Page 102: ...r rent results with air factor 1 The ionisation signal is evaluated by the combustion control unit and the air factor is adjusted to between 1 24 and 1 44 This range provides for an optimum combustion...

Page 103: ...egularly carries out an automatic self calibration also after a power failure shutdown For this the combustion is briefly regu lated to max ionisation current equals air factor 1 The automatic calibra...

Page 104: ...e sensor aA Ionisation electrode aG Flue gas temperature sensor fJ Temperature limiter gF Ignition unit a Fan motor a A Fan motor control aND Water pressure sensor a A Modulation coil Connection and w...

Page 105: ...A1 Main PCB A2 Power supply unit Connection and wiring diagram external connections 105 Designs 5692 761 GB...

Page 106: ...et button X Electrical interfaces Outside temperature sensor Flow temperature sensor low loss header Cylinder temperature sensor plug on the cable harness s Boiler circuit pump dD Flow switch dG Gas s...

Page 107: ...er gauze assembly 053 Burner gauze assembly gasket 056 Burner flange gasket 057 Radial fan 058 Gas train 059 Burner door 060 Ignition unit 061 Gasket ionisation electrode 5 pce 062 Gasket ignition ele...

Page 108: ...301 Service instructions 302 Operating instructions for con stant temperature mode 303 Operating instructions for weather compensated mode A Type plate Parts lists cont 108 Parts lists 5692 761 GB...

Page 109: ...Parts lists cont 109 Parts lists 5692 761 GB...

Page 110: ...Parts lists cont 110 Parts lists 5692 761 GB...

Page 111: ...Parts lists cont 111 Parts lists 5692 761 GB...

Page 112: ...sure for natural gas E mbar 15 25 mbar for natural gas LL mbar 15 25 mbar Tick gas type Carbon dioxide con tent CO2 at lower output vol at upper output vol Oxygen content O2 at lower output vol at upp...

Page 113: ...utput range TV TR 50 30 C kW 30 80 30 105 Rated thermal load range kW 28 1 75 0 28 1 98 5 Power consumption max W 105 150 Connection values in relation to the max load with Natural gas E m3 h 7 94 10...

Page 114: ...with _ 0085 90 396 EEC 2004 108 EC 92 42 EEC 2006 95 EC This product meets the requirements of the Efficiency Directive 92 42 EEC for condensing boilers The product characteristics determined as syste...

Page 115: ...ro duct Vitodens 200 W complies with the NOx limits specified by the 1st BImSchV paragraph 7 2 Germany Allendorf 2 January 2008 Viessmann Werke GmbH Co KG pp Manfred Sommer Manufacturer s certificate...

Page 116: ...9 Diaphragm expansion vessel 22 Display elements 88 89 E Electronic combustion controller 102 Extension kit for heating circuit with mixer 85 Extension external H1 93 external H2 94 internal H1 91 int...

Page 117: ...stment 31 Rotational direction of mixer motor changing 86 checking 85 S Scanning 61 Scanning operating conditions 65 Scanning sensors 65 Screed drying 97 Screed drying function 97 Service level overvi...

Page 118: ...118 5692 761 GB...

Page 119: ...119 5692 761 GB...

Page 120: ...environmentally friendly chlorine free bleached paper 5692 761 GB Subject to technical modifications Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessm...

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