Viessmann VITODENS 300 WB3A Service Instructions Manual Download Page 144

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Relay test

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Resetting the coding to the delivered
condition

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Safety chain

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scanning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scanning operating conditions

. . . . . .

Scanning sensors

. . . . . . . . . . . . . . . . . . . . . . . .

Screed drying

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

104

Screed function

. . . . . . . . . . . . . . . . . . . . . . . . . .

104

Service level summary

. . . . . . . . . . . . . . . . .

Service report

. . . . . . . . . . . . .

118, 120, 122

Setting the date

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the output

. . . . . . . . . . . . . . . . . . . . . . . . .

Setting the time

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting up LON user numbers

. . . . . . .

Siphon

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Slope

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Soundness test, balanced flue
system

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Specification

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

124

Static pressure

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply pressure

. . . . . . . . . . . . . . . . . . . . . . . . . . .

System designs

. . . . . . . . . . . . . . . . . . . . .

24, 39

System pressure

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Temperature scans

. . . . . . . . . . . . . . . . . . . . . . .

Testing functions

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Testing outputs

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermocouple

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Venting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Venting program

. . . . . . . . . . . . . . . . . . . . . . . .

103

Vitotronic 050

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wiring diagrams

. . . . . . . . . . . . . . . . . . . . . . . . .

107

Keyword index

(cont.)

128

Keyword index

550

Summary of Contents for VITODENS 300 WB3A

Page 1: ...nstallation instructions for heating engineers Vitodens 300 Type WB3A 49 and 66 kW Gas fired wall mounted condensing boiler natural gas and LPG version VITODENS 300 5862 570 GB 5 2004 Dispose after in...

Page 2: ...or all locally applicable standards See also the safety instructions in the Vitotec Technical Guide folder Before working on the equipment heating system isolate the mains electrical supply e g by re...

Page 3: ...6 Hanging the boiler into the wall mounting bracket 7 Heating water primary connection 8 Flue gas connection 8 Condensate connection 8 Gas connection 9 Opening the control unit housing 10 Electrical...

Page 4: ...The natural gas E version can be converted to natural gas LL using a conver sion kit The LPG P version can be converted to natural gas E or LL using a conversion kit Preparations for boiler installat...

Page 5: ...ughly flush the heating sys tem 2 Prepare the gas connection according to TRGI or TRF or all local regulations 3 Prepare the electrical connections Mains cable NYM J 3 x 1 5 mm2 fuse max 16 A 230 V 50...

Page 6: ...e for concrete For other construction materials use fixings which are suitable for 110 kg loads A Reference point boiler top edge B Boiler installation template included with the boiler C Top edge fin...

Page 7: ...Hanging the boiler into the wall mounting bracket Installing the boiler and making all connections cont 7 5862 570 GB...

Page 8: ...Connect the boiler to the on site pipe work Flue gas connection Connect the balanced flue pipe Flue gas system installation instructions Condensate connection Connect the condensate drain with a pipe...

Page 9: ...valve when installing the boiler in rooms below ground level 1 Carry out a leak test Important information Excessive test pressure leads to damage to the boi ler and gas train Max test pressure 150 m...

Page 10: ...Opening the control unit housing 10 5862 570 GB...

Page 11: ...nnection of accessories For details of accessories also observe the separate installation instruc tions provided A Radio clock connection B Heating circuit pump or boiler cir cuit pump Electrical conn...

Page 12: ...boiler is installed outside damp areas This connection is directly con trolled with the system ON OFF switch max 4 A Vitotrol 100 UTA Vitotrol 100 UTD Low voltage plug Outside temperature sensor only...

Page 13: ...uch hot components When routing and securing connecting cables on site ensure that the maximum permissible cable temperatures are not exceeded A Low voltage connections B 230 V connections C Internal...

Page 14: ...Closing control unit housing and inserting user interface 14 5862 570 GB...

Page 15: ...Commissioning and adjustments For commissioning and adjustment see service instructions Front panel installation 15 5862 570 GB...

Page 16: ...nvironmentally friendly chlorine free bleached paper 5862 570 GB Subject to technical modifications Viessmann Limited Hortonwood 30 Telford TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 www v...

Page 17: ...tructions for heating engineers Vitodens 300 Type WB3A 49 and 66 kW Gas fired wall mounted condensing boiler natural gas and LPG version See applicability on the last page VITODENS 300 5692 550 GB 5 2...

Page 18: ...ry Electrical work must only be carried out by a qualified electrician The system must be commissioned by the system installer or a qualified per son authorised by the installer Regulations Observe th...

Page 19: ...mains electri cal isolator and check that it is no longer live Safeguard the system against unauthorised reconnection When using gas as fuel also close the main gas shut off valve and safeguard agains...

Page 20: ...fault code history 73 Call up current fault codes 73 Checking and acknowledging faults 75 Repairs 85 Function description Constant temperature control units 95 Weather compensated control units 96 Ex...

Page 21: ...e see separate installation instructions 10 Function sequence and possible faults 10 11 Checking static and supply pressure 12 12 Checking the CO2 settings 14 13 Setting the max output 16 14 Checking...

Page 22: ...equipment for soundness at operating pressure 22 27 Checking the ionisation current 23 28 Checking the external LPG safety valve if installed 29 Matching the control unit to the heating system 24 30 C...

Page 23: ...to fill ing with water Only use fill water of pota ble quality Soften fill water harder than 20 dH 3 58 mmol l For suitable means of water softening see the Vitotec pricelist An anti freeze additive s...

Page 24: ...B and open the primary shut off valves Venting the heating system 1 Close the gas shut off valve and start the control unit 2 Activate the venting program via coding address 2F 1 Note To call up code...

Page 25: ...anguage with b 3 Confirm with d Setting the time and date if required only for weather com pensated control units Note During commissioning or after prolonged time out of use it may be necessary to se...

Page 26: ...match the fuel provided the burner must be converted according to the details provided by the mains gas or the LPG supplier See separate conversion kit installation instructions After conversion from...

Page 27: ...X8 5 and X8 6 No After approx 51 seconds Check fan cables and fan plug in connections check fan Fault E6 Yes Ignition No Fault Check the ignition module control voltage 230 V across plugs X2 1 and X2...

Page 28: ...ecking static and supply pressure Danger Higher CO emissions can lead to poisoning Measure the CO value before and after any work on gas equipment to prevent any health hazards and to ensure the perfe...

Page 29: ...ing commissioning the boiler can enter a fault state because of airlocks in the gas pipe After approx 5 seconds press E to reset the burner 6 Check the supply flow pressure it should be 20 mbar for na...

Page 30: ...and start the boiler Danger Gas escaping from the test nipple leads to a risk of explosion Check test nipple A for soundness Checking the CO2 settings Vitodens 300 is factory set for natural gas E or...

Page 31: ...aperture A on the boiler adaptor 2 Open the gas shut off valve com mission the boiler and create a heat demand 3 Select the lower rated output Constant temperature control units Press both keys 9 and...

Page 32: ...ation range 1 Start up boiler 2 Press both K and F simulta neously until 100 flashes on the display equals 100 of the rated output and A appears On weather compensated control units the display additi...

Page 33: ...ies out a simple soundness test during the initial start up of your system For this it would be sufficient to check the CO2 concentration in the combustion air at the annular gap in the balanced flue...

Page 34: ...sor B gas valve C ionisation electrode D ignition electrodes E and earth F 4 Release gas connection pipe G fixing screws and fittings 5 Release six nuts H and remove the burner Important information...

Page 35: ...rner gauze assembly D 4 Remove the old gauze assembly gasket E 5 Insert a new burner gauze assem bly with a new gasket and secure with eight Torx screws Note Torque 4 5 Nm 6 Refit the thermal insulati...

Page 36: ...t information Wire mesh do not damage 3 Check all clearances If the gaps are not as specified or the electro des are damaged replace and align the electrodes together with new gaskets Tighten the elec...

Page 37: ...its with alka line cleaning agents with addi tional surfactants e g Fauch 600 Remove coatings and surface discolouration yellow brown with slightly acidic chloride free cleaning agents based on phos p...

Page 38: ...ate drain and cleaning the siphon 1 Check at the siphon that the con densate can freely drain 2 Remove the retaining clip and the siphon 3 Clean the siphon 4 Fit the siphon and secure with the retaini...

Page 39: ...Press K and d simultaneously for at least 2 seconds With a b in the display select Full load Note The minimum ionisation current should be at least 5 A as soon as the flame is established approx 2 3...

Page 40: ...ithout DHW heating with 1 heating circuit without mixer Outside temperature sensor only for weather compensated control units or lH Vitotrol 100 only for constant temperature control units Cylinder te...

Page 41: ...nnec tion via external extension H1 sK Cylinder loading pump connec tion via internal extension H1 or H2 lH Power supply aVG KM BUS A Internal extension H1 or H2 or External extension H1 B Extension k...

Page 42: ...cuit with mixer Outside temperature sensor Flow temperature sensor Cylinder temperature sensor s Heating circuit pump or boiler circuit pump sA Cylinder loading pump connec tion via external extension...

Page 43: ...uit with mixer F Heating circuit pump heating cir cuit without mixer connection via external extension H1 Required coding Address Further details regarding the individual steps cont 27 Initial start u...

Page 44: ...eating circuit pump or boiler cir cuit pump sA Cylinder loading pump connec tion via external extension H1 sK Cylinder loading pump connec tion via internal extension H1 or H2 f Power supply gS Mixer...

Page 45: ...derfloor heating E Heating circuit pump F Mixer motor Required coding Address Function relay of the internal extension Cylinder loading pump 53 3 Further details regarding the individual steps cont 29...

Page 46: ...re sensor low loss header Cylinder temperature sensor s Heating circuit pump or boiler circuit pump sA Cylinder loading pump f Power supply gS Mixer motor aVG KM BUS A Low loss header B Vitotronic 333...

Page 47: ...to 3 minutes Setting up LON user numbers Adjust the user number via coding address 77 see below In a LON system the same number cannot be allocated twice Updating the LON user list Only possible if a...

Page 48: ...code 97 1 Outside tempera ture is received via LON Set code 97 1 Fault monitoring LON user code 9C 20 Fault monitoring LON user code 9C 20 Fault monitoring LON user code 9C 20 Implementing a user chec...

Page 49: ...second User check completed Adjusting heating curves only for weather compensated control units The heating curves illustrate the rela tionship between the outside tem perature and the boiler water or...

Page 50: ...in code 1 with cod ing address d3 see page 38 Value adjustable from 0 2 to 3 5 2 Modify the slope in code 1 with cod ing address d4 see page 38 Value adjustable from 13 to 40 K Further details regard...

Page 51: ...ow temperature in C B Outside temperature in C C Set room temperature in C D Heating circuit pump OFF E Heating circuit pump ON 2 Adjust the set day temperature with rotary selector ts The value will...

Page 52: ...Boiler water or flow temperature in C B Outside temperature in C C Set room temperature in C D Heating circuit pump OFF E Heating circuit pump ON 2 Call up the set night temperature with E 3 Change th...

Page 53: ...c Maintenance scan is activated 2 Scan maintenance messages with a or b 3 Press d for weather compen sated control units also confirm the display Acknowledge Yes with d Maintenance is cancelled from t...

Page 54: ...r compensated control units Codes which are not rele vant because of the equipment level of your heating system or because of settings of other codes will not be displayed 3 Change this value with a a...

Page 55: ...with DHW heating 00 5 System version 3 1 heating circuit without mixer A1 and 1 mixer cir cuit M2 without DHW heating 00 6 System version 3 1 heating circuit without mixer A1 1 mixer circuit M2 with D...

Page 56: ...onic 050 99 Vitocom Note Allocate each number only once DHW priority A1 A2 2 DHW cylinder priority applicable to heating circuit pump and mixer A2 0 Without cylinder priority for heating circuit pump...

Page 57: ...temperature limit at 75 C C6 1 to C6 127 Maximum limit adjustable from 1 to 127 C Max flow temp M2 C6 75 1Electronic maximum flow temperature limit at 75 C C6 1 to C6 127 Maximum limit adjustable fro...

Page 58: ...n range is displayed Scroll through the ranges in the following sequence with a or b Function range Coding addresses System design 00 and 01 Boiler burner 06 to 54 DHW 56 to 73 General 76 to 9F Boiler...

Page 59: ...ithout DHW heating 00 6 System design 3 1 heating circuit without mixer A1 1 mixer circuit M2 with DHW heating 01 1 1Single boiler system 01 2 Multi boiler system with Vitotronic 333 Boiler burner 06...

Page 60: ...rature sen sor or remote monitoring 25 1 Recognition of outside temperature sensor and fault monitoring 28 0 No burner interval igni tion 28 1 The burner is forced ON once every 24 hours 2E 0 Without...

Page 61: ...unct Control funct Control funct Control funct 1 Control funct Control funct Control funct OFF 2 Control funct Control funct OFF Control funct 3 Control funct Control funct OFF OFF 4 Control funct OFF...

Page 62: ...with mixer Cylinder loading pump 0 Control funct Control funct Control funct Control funct 1 Control funct Control funct Control funct OFF 2 Control funct Control funct OFF Control funct 3 Control fun...

Page 63: ...0 ON OFF Control funct Control funct 21 ON OFF Control funct OFF 22 ON OFF OFF Control funct 23 ON OFF OFF OFF Coding in the as delivered condition Address value Function mode Coding change Address va...

Page 64: ...C only for gas fired boilers Observe the max per missible DHW tempera ture 58 0 Without auxiliary func tion for DHW loading 58 1 to 58 95 Input of set DHW value 2 adjustable from 1 to 95 C observe cod...

Page 65: ...s 67 40 In conjunction with Vito solic solar control unit Set DHW value 3 67 0 to 67 60 DHW set value adjusta ble from 0 to 60 C 6C 100 Set speed internal DHW loading pump 100 6C 0 to 6C 100 Set speed...

Page 66: ...tomatic recognition 77 1 LON user number 77 2 to 77 99 LON user number adjus table from 1 to 99 1 4 boiler 5 cascade 10 Vitotronic 050 99 Vitocom Note Allocate each number only once 79 1 Control unit...

Page 67: ...0 128 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 flow temperature subject to set value if the outside te...

Page 68: ...5 9b 70 Minimum set boiler water temperature in case of external demand 9b 1 to 9b 127 Set temperature adjusta ble from 1 to 127 C 9C 20 1Monitoring LON users When there is no response from a user val...

Page 69: ...15 Reduced priority appl to mixer i e the heating cir cuit receives a reduced amount of energy 1 A3 2 2Outside temperature below 1 C Heating cir cuit pump ON Outside temperature above 3 C Heating cir...

Page 70: ...Coding change Address value Possible change Boiler circuit mixer circuit A4 0 1With frost protection A4 1 No frost protection adjustment only possible if code A3 9 is selected Note When selecting a v...

Page 71: ...ture RTSet AT RTSet 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 if see the following table Parameter address A5...

Page 72: ...C This value is based on the adjusted outside temperature comprising the actual outside tem perature and a time con stant which takes the cooling down of an aver age building into consid eration A7 0...

Page 73: ...0 1With remote control Heating mode reduced mode Weather com pensated 2 b0 1 Heating mode Weather compensated Reduced mode With room temperature hook up b0 2 Heating mode With room temperature hook up...

Page 74: ...et 6 active RTActual RTSet passive RTActual RTSet 1 K 7 active RTActual RTSet 1 K passive RTActual RTSet 2 K 8 active RTActual RTSet 2 K passive RTActual RTSet 3 K Coding in the as delivered condition...

Page 75: ...2 50 3With remote control unit and for the heating circuit heating with room temperature hook up must be encoded No display correction of the actual room tem perature E2 0 to E2 49 Display correction...

Page 76: ...re time profiles see page 104 Note Observe the screed dry ing supplier s instruc tions Observe DIN 4725 2 or local regulations The report to be provided by the heating contractor must contain the foll...

Page 77: ...circulation pump adjustable from 1 to 20 minutes F6 0 4In DHW only operat ing mode the internal circulation pump is per manently OFF F6 1 to F6 24 In DHW only operating mode the internal circu lation...

Page 78: ...spectively F7 25 5In Standby mode the internal circulation pump is permanently ON Resetting the coding to the delivered condition 1 Press L and G simultaneously for approx 2 seconds 2 Press e Confirm...

Page 79: ...neously display becomes lighter Fault history Press G and d simulta neously for approx 2 seconds User check in conjunc tion with LON system Press L and d simulta neously for approx 2 seconds Emissions...

Page 80: ...nned subject to the actual equipment level Slope A1 Level A1 Slope M2 Level M2 Adj outside temp Outside temp actual The adjusted outside temperature can be reset to the current outside temperature wit...

Page 81: ...n sion kit Software version Solar control unit Software version LON system Software version Ext exten sion 4 Software version Burner control unit Type Burner control unit Boiler type 5 0 No ext demand...

Page 82: ...eating circuit pump mixer circuit M2 8 Variable speed pump 0 excl 1 Wilo 2 Grun dfos Software version Variable speed pump Variable speed pump 0 excl 1 Wilo 2 Grun dfos Software version Variable speed...

Page 83: ...demand or operating mode change over pre sent 0 No ext blocking 1 Ext blocking present External hook up 0 to 10 V displayed in 3 Set boiler temperature at the boiler temperature sensor A Highest dema...

Page 84: ...Basic load Burner modulation lower output Full load Burner modulation upper output Heating valve Diverter valve set to heating mode Valve central pos Changeover valve in central position fill DHW val...

Page 85: ...can be con trolled Display Description 1 Burner modulation lower output 2 Burner modulation upper output 3 Diverter valve set to heating mode 4 Valve in central position 5 Valve set to DHW mode 6 Inte...

Page 86: ...set up Date of departure Date Date of return Date Outside temperature C Actual value Boiler temperature C Actual value Flow temperature C Actual value only for heating circuit M2 Standard room temper...

Page 87: ...OFF or ON Displayed only if Vitosolic is installed Solar pump h Hours run Various languages Each language can be selected as permanent display language with d Constant temperature control units 1 Pres...

Page 88: ...ject to system equipment level Description 263572 h Burner hours run 030529 Burner starts 001417 h Hours run solar circuit pump 002850 Solar energy in kW h Scanning operating conditions and sensors co...

Page 89: ...ult code 1 10 most recent 10th from most recent All saved fault codes can be deleted with e 3 Press d Call up current fault codes Red fault indicator U flashes for all faults Fault flashes in the prog...

Page 90: ...knowledged fault is not removed by 07 00 h the fol lowing day Fault on the burner control unit 1 Find current fault with c 2 Select additional fault codes with a and b 3 Acknowledge fault The fault ca...

Page 91: ...cylinder sensor Flue gas sensor DHW outlet sensor Room temperature sensor Collector sensor Solar DHW sensor Remote control 1 Calling up acknowledged fault messages Press d for approx 3 seconds The fau...

Page 92: ...Const Weat her comp System character istics Cause Remedy 0F X X Control mode Maintenance Carry out maintenance Set code 24 0 after mainte nance 10 X X Controls according to 0 C out side tem perature O...

Page 93: ...o DHW heating Cylinder tempera ture sensor shorted out Check the cylinder tem perature sen sor see page 87 58 X X Cylinder tempera ture sensor lead break 51 X X No DHW heating Cylinder tempera ture se...

Page 94: ...tempera ture sensor short circuit Check the flue gas tem perature sen sor see page 88 b8 X X Flue gas tempera ture sensor break b1 X X Control mode Communication fault program ming unit internal Check...

Page 95: ...mode with out remote control Communication fault Vitotrol remote control heating circuit M2 bE X Control mode Vitotrol remote control incorrectly encoded Check the DIP switch settings of the remote co...

Page 96: ...itch settings Cd X X Control mode Communication fault Vitocom 100 KM BUS Check con nections and Vitocom 100 CE X X Control mode Communication fault ext exten sion Check con nections and coding address...

Page 97: ...for heating cir cuit M2 E4 X X Burner blocked Fault supply vol tage Replace con trol unit E5 X X Burner blocked Internal fault Check the ionisation electrode and leads Check flue gas sys tem for soun...

Page 98: ...sooner than after 20 minutes F2 X X Burner in fault state Temperature limiter has responded Check the heating sys tem water level Check the circula tion pump Vent the heat ing system Check the tempera...

Page 99: ...igni tion electro des and the condensate drain Press E F7 X X Burner blocked Differential pres sure sensor faulty Check the dif ferential pres sure sensor and lead F8 X X Burner in fault state Fuel v...

Page 100: ...ion elec trodes and leads Check whether a strong inter ference EMC field exists near the equip ment Press E If the fault is not removed replace the control unit FE X X Burner blocked Strong interferen...

Page 101: ...emove EMC interference If the equip ment will not restart check the boiler coding card and replace or replace the control unit Repairs Checking the outside temperature sensor weather compen sated cont...

Page 102: ...iscon nected plug and compare with the curve 3 Where actual values strongly devi ate from the curve values discon nect the wires at the sensor and repeat test directly at the sensor 4 Depending on the...

Page 103: ...l the leads from boiler temperature sensor A and measure the resis tance Cylinder temperature sensor Pull the plug from the cable harness on the control unit and measure the resistance Flow temperatur...

Page 104: ...the boiler before repla cing the sensor Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas temperature is exceeded The lockout...

Page 105: ...leads from the flue gas temperature sensor A 2 Check the sensor resistance and compare actual values with the curve 3 Replace the sensor in case of severe deviation Repairs cont 89 Troubleshooting 56...

Page 106: ...thermocouple Install a new thermocouple After commissioning press reset button E on the control unit Checking and replacing pressure differential sensor Check the sensor in case of fault messages con...

Page 107: ...hat both O rings C are properly inserted into aperture adaptor retainers D 4 Insert the sensor with connection nipples into the gas combination valve adaptor and push in until it clicks into place 5 R...

Page 108: ...Checking the fuse 1 Switch OFF the mains power 2 Release the lateral closures and pivot the control unit down 3 Remove cover A 4 Check fuse F1 Repairs cont 92 Troubleshooting 5692 550 GB...

Page 109: ...es 2 Note the rotational direction of the mixer motor during the self test Then set the mixer manually to the Open position Note The flow temperature sensor must now sense a higher temperature If the...

Page 110: ...nic 050 accessory Vitotronic 050 is connected with the control unit via the LON system To test the connection implement a user check on the boiler control unit see page 32 Repairs cont 94 Troubleshoot...

Page 111: ...re The burner and the cylinder loading pump are switched ON In the deliv ered condition the set boiler tempera ture lies 20 K higher than the set DHW temperature adjustable in coding address 60 If the...

Page 112: ...ler water tempera ture of 100 C DHW heating The DHW heating will be activated if the cylinder temperature falls 2 5 K below the set cylinder temperature The burner and the cylinder loading pump are sw...

Page 113: ...gram D Information E Heating programs F Standard room temperature G Economy mode H Party mode K Basic settings L Confirmation acknowledgement M Setting values N DHW temperature O Emissions test functi...

Page 114: ...put sK The function is allocated via coding address 53 Central fault message code 53 0 Cylinder loading pump code 53 3 DHW circulation pump code 53 1 Heating circuit pump for heating cir cuit without...

Page 115: ...sK The function is allocated via coding address 53 Central fault message code 53 0 Cylinder loading pump code 53 3 DHW circulation pump code 53 1 Heating circuit pump for heating cir cuit without mixe...

Page 116: ...ylinder loading pump sK DHW circulation pump f Power supply g Central fault message aVD External blocking terminals 2 3 External demand terminals 1 2 External operating mode chan geover terminals 1 2...

Page 117: ...ten sion sK DHW circulation pump f Power supply aVD External blocking terminals 2 3 External demand terminals 1 2 External operating mode chan geover terminals 1 2 aVG KM BUS The allocation of the Ext...

Page 118: ...ion the change over should be made for each heating circuit Coding Changeover of operating mode affects d5 0 Changeover towards Constantly reduced or Constant standby mode subject to the selected set...

Page 119: ...u can select the minimum set boiler water tem perature in case of external demand Venting program Note Close the gas shut off valve when operating the venting program During the venting program the ci...

Page 120: ...ati cally deactivated after 20 minutes and the coding address is set to 0 Screed function The screed drying functions enables the drying of a freshly laid screed For this always observe the instructio...

Page 121: ...Temperature profile Diagram 3 code F1 3 Temperature profile Diagram 4 code F1 4 Temperature profile Diagram 5 code F1 5 Control functions cont 105 Function description 5692 550 GB...

Page 122: ...Temperature profile Factory set code F1 6 to F1 15 Control functions cont 106 Function description 5692 550 GB...

Page 123: ...A1 Main PCB Boiler temperature sensor Cylinder temperature sensor aA Ionisation electrode Connection and wiring diagrams internal connections 107 Designs 5692 550 GB...

Page 124: ...ue gas temperature sensor dD Flow switch fJ Temperature limiter gF Ignition unit a Fan motor aNF Differential pressure sensor Connection and wiring diagrams internal connectio cont 108 Designs 5692 55...

Page 125: ...A1 Main PCB A2 Mains supply unit Connection and wiring diagrams external connections 109 Designs 5692 550 GB...

Page 126: ...re sensor low loss header Cylinder temperature sensor s Internal circulation pump heating circuit pump or boiler circuit pump sK Circulation pump or central fault message dD Flow switch dG Gas solenoi...

Page 127: ...ety valve 033 Siphon 034 Condensate hose 035 Ball valve 036 Return pipe extension 037 Sealing panel 038 Edge protector 039 Front panel 042 Wall mounting fixture 044 Pressure gauge and fem con nection...

Page 128: ...set 053 Heat conducting paste 070 Access guard 074 Test adaptor ionisation current test 075 Cable harness X8 X9 076 Mains cable motor electronics 077 Connecting cable motor 078 Internal ionisation lea...

Page 129: ...Parts lists cont 113 Parts lists 5692 550 GB...

Page 130: ...Parts lists cont 114 Parts lists 5692 550 GB...

Page 131: ...Parts lists cont 115 Parts lists 5692 550 GB...

Page 132: ...Parts lists cont 116 Parts lists 5692 550 GB...

Page 133: ...Parts lists cont 117 Parts lists 5692 550 GB...

Page 134: ...7 5 mbar for LPG mbar 42 5 to 57 5 mbar Tick gas type Carbon dioxide content CO2 at lower rated output by vol at upper rated output by vol Oxygen content O2 at lower rated output by vol at upper rated...

Page 135: ...Maintenance ser vice Maintenance service Maintenance service Maintenance ser vice Commissioning service reports cont 119 Commissioning service reports 5692 550 GB...

Page 136: ...5 mbar for LPG mbar 42 5 to 57 5 mbar Tick gas type Carbon dioxide content CO2 at lower rated output by vol at upper rated output by vol Oxygen content O2 at lower rated output by vol at upper rated...

Page 137: ...Maintenance ser vice Maintenance service Maintenance service Maintenance ser vice Commissioning service reports cont 121 Commissioning service reports 5692 550 GB...

Page 138: ...5 mbar for LPG mbar 42 5 to 57 5 mbar Tick gas type Carbon dioxide content CO2 at lower rated output by vol at upper rated output by vol Oxygen content O2 at lower rated output by vol at upper rated...

Page 139: ...Maintenance ser vice Maintenance service Maintenance service Maintenance ser vice Commissioning service reports cont 123 Commissioning service reports 5692 550 GB...

Page 140: ...with HuB Natural gas E 9 45 kWh m3 34 02 MJ m3 m3 h 4 90 6 58 Natural gas LL 8 13 kWh m3 29 25 MJ m3 m3 h 5 69 7 65 LPG 12 79kWh m3 46 04 MJ m3 m3 h 3 62 4 86 Product ID _ 0085 BO 0338 Product charac...

Page 141: ...ormity by an authorised body according to EMVG article 10 2 Certificate number E9 02 08 1730 This product complies with the requirements of the Efficiency Directive 92 42 EEC for Condensing boilers Th...

Page 142: ...the fol lowing product meets the NOx limits specified by 1st BImSchV Paragraph 7 2 Germany Vitodens 300 Allendorf 14 01 04 Viessmann Werk GmbH Co KG pp Manfred Sommer Manufacturer s certificate accor...

Page 143: ...ternal 98 99 External blocking 103 External demand 103 F Fault history 73 Fault messages 73 75 Filling the system 7 Finding faults 74 Flue gas temperature sensor 89 Function descriptions 95 Fuse 92 G...

Page 144: ...tting the date 9 Setting the output 16 Setting the time 9 Setting up LON user numbers 31 Siphon 22 Slope 34 Soundness test balanced flue system 17 Specification 124 Static pressure 13 Supply pressure...

Page 145: ...129 5692 550 GB...

Page 146: ...130 5692 550 GB...

Page 147: ...131 5692 550 GB...

Page 148: ...6 779 3 00001 LPG version LPG version from serial no from serial no 7176 780 3 00001 7176 781 3 00001 132 Printed on environmentally friendly chlorine free bleached paper 5692 550 GB Subject to techni...

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