Viessmann Vitodens 111-W Instructions d'exploitation

Installation and serviceinstructionsfor contractorsVIESMANNVitodens 111-WType B1LA, 6.5 to 35.0 kWGas condensing storage combi boilerNatural gas and L

10Removing the front panel and mounting the boilerNoteWhen mounting on the wall, observe thefollowing: Weight excl. packaging:approx. 65 kg.2x2.3.1.1.

11Making the connections on the water sideFor fittings on the heating waterside and DHW side, see separateinstallation instructions.!Please noteTo pre

12Fitting the connection setGas connectionA1. Connect gas shut-off valve to con-nection A.Installation sequenceFitting the boiler and making connecti

132. Carry out a tightness test.NoteFor tightness tests, use onlyapproved leak detection agents(EN 14291) and devices. Leak detec-tion agents with un

14Condensate drain connectionA The condensate pipe is connected tothe safety valve discharge pipe. Thecondensate hose supplied meets thetemperature r

15Fill the flue outlet with at least 0.3 l ofwater.!Please noteWater in the ventilation air supplycan be detrimental to the com-bustion quality.Never

163.4x2.1.2x!Please noteElectronic assemblies can bedamaged by electrostatic dis-charge.Before beginning work, touchearthed objects, such as heatingor

17X7X20A B4 3 2 1OTCX21L N 1 L N?FEDX1AOnly for weather-compensatedmode:Outside temperature sensor (acces-sory)BOpenTherm deviceRemove jumper D when m

18Installation site: North or north-westerly wall, 2 to2.5 m above ground level; in multistorey buildings, in the upper half ofthe second floor Not

19Routing connecting cables and closing the control unit enclo-sure!Please noteConnecting cables will be dam-aged if they touch hot compo-nents. When

2Please follow these safety instructions closely to prevent accidents and mate-rial losses.Safety instructions explainedDangerThis symbol warns agains

20For further information regarding the individual steps, see the page indicatedCommissioning stepsInspection stepsMaintenance steps Page• • •1. Filli

21Commissioning stepsInspection stepsMaintenance steps Page•22. Instructing the system user... 41Commissioning

22Filling the heating system!Please noteUnsuitable fill water increasesthe level of deposits and corro-sion and may lead to boiler dam-age. Thoroughl

23ABCC4. Open shut-off valves A and B.5. Open taps C and fill the heating sys-tem. (Minimum system pressure> 0.8 bar). 6. Close taps C.Commissionin

24Venting the boiler by flushingBAA1. Close the shut-off valves on the heat-ing water side.2. Connect the drain hose between toptap B and a drain.3.

25Changing to operation with LPGIn the delivered condition, the boiler isset up for operation with natural gas. Foroperation with LPG, change the gas

268. Shut down the boiler, close the gasshut-off valve, remove the pressuregauge and close test nipple A withthe screw.9. Open the gas shut-off valv

273. Refer to the following table for thecorrection factor required for the con-nected flue system.4. Within 2 s, turn rotary selector "tw"

281. Turn on the ON/OFF switch.NoteThe heating output can only bechanged with the burner in opera-tion.rr2. Turn rotary selector "tr" full

295. Transfer selected heating output:Turn rotary selector "tw" for lessthan 2 s fully clockwise and then backinto the r.h. control range.D

3If you smell flue gasDangerFlue gas can lead to life-threat-ening poisoning. Shut down the heating system. Ventilate the boiler room. Close all do

30r2. Turn both rotary selectors "tw" and"tr" simultaneously into theirrespective central positions."SERV" appears on t

31Checking the CO2 contentThe Vitodens 111-W is factory-set fornatural gas. During commissioning ormaintenance, the CO2 and CO have tobe measured at t

3204. Adjust the upper heating output:Turn rotary selector "tr" fullyclockwise, until the display shows 5bars for the upper heating output.

33Burner removalABCDEF4x1. Switch the power OFF.2. Shut off the gas supply.3. Pull electrical cables from fan motorA, gas valve B and electrodesC.4

346. Undo four screws F and remove theburner.!Please noteTo prevent any damage, never rest the burner on theburner gauze assembly.Checking the burner

353. Undo two Torx screws and removeburner gauze assembly D with itsgasket E.4. Insert a new gasket E into the newburner gauze assembly D andsecure.!

368+24+0,53. Check the electrode gaps. If the gapsare not as specified or the electrodeis damaged, replace and align theelectrode together with a new

37Checking the condensate drain and cleaning the siphonACB1. Release hook and remove siphonA with sealing piece B.Pull siphon A upwards away fromthe

38Burner installationA4xBDEFC1. Mount burner and secure with fourscrews A.2. Insert new gasket and tighten the fit-tings on gas supply pipe B.3. Tig

394. Fit electrical cables to fan motor D,gas valve E and ignition unit F.5. Reopen gas supply and switch onpower supply.6. Check the gas connection

4Service instructionsProduct informationProduct information...

40BAATest nipple, heating water expan-sion vesselBTest nipple, DHW expansion ves-sel1. Drain the system until the pressuregauge indicates "0&quo

41Fitting the front panel2x1.2.1. Hook the front panel into place. 2. Tighten screws at the bottom.Instructing the system userThe system installer m

42 Display Measure Control unit issuesa heat demand No Increase set valueand ensure heat isdrawn off Yes Fan start

43 Yes Burner in opera-tionNoStops below the setboiler water tem-perature andrestarts immedi-ately Check the flue sys-tem for tightness(flu

44Displayedfault codeSystem characteris-ticsCause Measures51 No DHW heating Short circuit, outlettemperature sen-sor Check the sensor (seepage 51).58

45Displayedfault codeSystem characteris-ticsCause MeasuresF2 Burner in a faultstateThe temperaturelimiter has respon-dedCheck heating system filllevel

46Displayedfault codeSystem characteris-ticsCause MeasuresFd Burner blocked Fault, burner con-trol unitCheck ignition electrodesand connecting cables.

47Removing the front panel2x2.1.1. Undo screws at the bottom of theboiler; do not remove completely.2. Remove front panel.Outside temperature sensor

48X21 X7X204 3 2 12. Disconnect leads from outside tem-perature sensor.10010-15-10-5 10 20 30Temperature in °C46820406080Resistance in kΩ03. Check t

49Boiler water temperature sensorA1. Pull the leads off boiler water temper-ature sensor A and check the resist-ance.10110 30 50 70 90 110Temperature

5Specification... 76CertificatesDeclaration of con

50Checking cylinder temperature sensorX21 X7X205X21 X7X2051. Pull plug % from the cable harness.10110 30 50 70 90 110Temperature in °C0.40.60.8246820R

51Checking the outlet temperature sensorA10110 30 50 70 90 110Temperature in °C0.40.60.8246820Resistance in kΩSensor type: NTC 10 kΩ1. Pull leads fro

52Checking the temperature limiterIf the burner control unit cannot be resetafter a fault shutdown, although theboiler water temperature is belowappro

53Checking the flue gas temperature sensorA1. Pull leads from flue gas temperaturesensor A.10110 30 50 70 90 110Temperature in °C0.40.60.8246820Resis

54Checking and cleaning the plate heat exchangerNoteDrain the boiler on its heating water andDHW side.A2xB1. Undo plate heat exchanger A(screws B) and

55Checking the fuseF41. Switch the power OFF.2. Open control unit enclosure (seepage 16).3. Check fuse F4.TroubleshootingRepairs (cont.)5618 648 GB

56Removing gas restrictorDCBAE1. Remove the burner (see "Commis-sioning, inspection and mainte-nance").2. Pull cable from gas train A.3. Un

57r2. Turn both rotary selectors "tw" and"tr" simultaneously into theirrespective central positions."SERV" appears on t

58Heating modeIn weather-compensated mode, theboiler water temperature is regulatedsubject to the outside temperature.Heating curve of weather-compens

59DHW heatingHeating the DHW primary store fromcoldThe heating circulation pump is switchedon and the 3-way diverter valve will bechanged over if the

6Vitodens 111-W, type B1LAPreset for operation with natural gas.Conversion to LPG P requires a gas con-version kit.Conversion for other countriesThe V

60ABCDEFGHAStepper motor diverter valveBIgnition/ionisationDesignsConnection and wiring diagram5618 648 GB

61CVitotrol 100 Type RT Type UTA Type UTDB Type UTDB-RFDPower input 230 V/50 HzERemote control (OpenThermdevice)FOutside temperature sensor(access

62The following information is required: Serial no. (see type plate A) Assembly (from this parts list) Position number of the individual partwithin

63B CDEFGAAType plate (on the cover panel)BCasing assemblyCHeat cell assemblyDHydraulic assemblyEControl unit assemblyFMiscellaneous assemblyParts lis

64GCylinder assemblyCasing assembly0001 Front panel0002 Logo0003 Cover panel with gasket0004 Profiled seal0005 Control unit support0006 Safety guard00

650001 Gasket DN 600002 Boiler flue connection0003 Boiler flue connection plug0004 Flue gas gasket0005 Flue gas temperature sensor0006 Heat exchanger0

6600140002000100010003000600040013001400150008000700090016001300150003000500040010001200110011Burner assembly0001 Burner gasket0002 Thermal insulation

670009 Radial fan0010 Gas valve0012 Venturi extension0013 Gaskets (set)0014 Conversion kit G3100130014001300120010000900080007000600050004000300020001

680001 Temperature sensor0002 Thermal circuit breaker0003 Air vent valve G ⅜0004 Hose Ø 10 x 1.5 x 7500005 Clip Ø 8 (5 pce)0006 Heat exchanger connect

690045004400450043004600280015001500510027000500250026001700200017001900180023001800240020002100220037001200340032002000100042003100300029001100360028

7Dimensions and connections264809451003497740900ABCDEFGH5E150166AArea for electrical connectionsBHeating flow 7 22 mmCCondensate drainDHeating return

700001 Valve insert0002 Flow unit0003 Return unit0004 Overflow valve0005 Overflow pipe0006 Plate heat exchanger0007 Profiled gasket0008 Temperature se

710001 Control unit0002 Cover, wiring chamber0003 Fuse 2.5 A (slow) 250 V0004 Cable harness X200005 Cable harness 100/350006 Cable harness stepper mot

7200020007000600050004000100030008Parts listsControl unit assembly (cont.)5618 648 GB

730001 O-ring 14.3 x 2.4 (set)0002 Clip Ø 15 (5 pce)0003 DHW connection pipe0004 Non-return valve (cartridge)0005 Shut-off elbow, cylinder0006 DHW con

7400080009000700010007000100010004000500150006000700140002000300020010001200110007Miscellaneous assembly0001 Special grease0002 Touch-up spray paint,

750004 Installation and service instruc-tions0005 Operating instructions00030002000500040001Parts listsMiscellaneous assembly (cont.)5618 648 GBServic

76Rated voltage: 230 V~Rated frequency: 50 HzRated current: 2.0 A~Safety category: IIP rating: IP X4D to EN 60529Permissible ambient temperature dur

77Declaration of Conformity for the Vitodens 111-WWe, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, confirm as sole respon-sible body that the

78BBoiler water temperature sensor ...49Burner gasket...34Burner gauze assembly...34Burner ins

79TTemperature limiter...52Troubleshooting...47VVentilation air pipe...

8Preparing the connectionsNoteThis boiler (IP rating: IP X4 D) isapproved for installation in wet roomsinside safety zone 1 in accordance withIEEE Wir

80ApplicabilitySerial No.:7499484 7499485Viessmann LimitedHortonwood 30, TelfordShropshire, TF1 7YP, GBTelephone: +44 1952 675000Fax: +44 1952 675040E

9250Ø10129497Installation sequenceFitting the wall mounting bracket5618 648 GBInstallation