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 boiler2x2.3.1.1. Undo screws at the bottom of theboiler; do not remove completely.2. Remove front panel.

11BA DC E¨zzAHeating flow BHeating return CGas connectionDCold waterEDHWGas connectionA1. Connect gas shut-off valve to con-nection A.Installation se

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

13Condensate drain connectionAConnect the condensate pipe A with aconstant fall and a pipe vent to the publicsewage system.Observe the local waste wat

14Fill in at least 0.3 l of water into the flueoutlet.!Please noteWater in the ventilation air supplycan be detrimental to the com-bustion quality.Nev

153.4x2.1.2x!Please noteElectronic assemblies can bedamaged by electrostatic dis-charge.Before beginning work, touchearthed objects, such as heatingor

16X7X20A B4 3 2 1OTCX21L N 1 L N?FEDX1AOnly for weather-compensatedmode:Outside temperature sensor (acces-sory)BOpenTherm deviceRemove jumper D when m

17 Not immediately below balconiesor gutters Never render over Connection:2-core lead, length max. 35 m witha cross-section of 1.5 mm22. Plug the

18Routing connecting cables and closing the control unit casing!Please noteConnecting cables will be dam-aged if they touch hot compo-nents. When rout

19For further information regarding the individual steps, see the page indicatedCommissioning stepsInspection stepsMaintenance steps Page• • •1. Filli

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

20Filling the heating system!Please noteUnsuitable fill water increasesthe level of deposits and corro-sion and may lead to boiler dam-age. Thoroughl

21ABC4. Open shut-off valves A and (if instal-led) B.5. Connect fill hose to tap C and opentap C.6. Fill heating system. (Minimum sys-tem pressure &g

22Venting the boiler by flushingBA1. Close the shut-off valves on the heat-ing water side.2. Connect the drain hose between toptap B and a drain.3.

23Changing to operation with LPGIn the delivered condition, the boiler isset up for operation with natural gas. Foroperation with LPG, change the gas

24Correction factor 1 2 3 4 5 6Flue system Ratedheatingoutput(kW)Max. run length (m)Open flue operation 7 60 mm 19 4 10 16 22 — —26 2 8 13.5 18.5 22 2

25rr2. Turn rotary selector "tr" fully clock-wise, until the display shows"SERV".Within 2 s return the rotary selector tothe r.h.

265. Transfer selected heating output:Turn rotary selector "tw" fully clock-wise for less than 2 s and then backinto the r.h. control range

27rr03. Turn rotary selector "tr" fullyclockwise, until the display shows"SERV".Within 2 s return the rotary selectorto the r.h.

2808. If the CO2 content is within thegiven range, continue with point10. If the CO2 content is outside thegiven range, check the flue gas/ventila

29Burner removalF4xEABCD1. Switch off the power.2. Shut off the gas supply.3. Pull power cables from fan motorA, gas valve B and electrodesC.4. Pus

3Working on the system When using gas as fuel, also close themain gas shut-off valve and safeguardagainst unauthorised reopening. Isolate the system

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

313. Undo two Torx screws and removeburner gauze assembly D with itsgasket E.4. Insert a new gasket E and a newburner gauze assembly D andsecure.Fixi

32Cleaning the heat exchangerA1. !Please noteScratches on parts that are incontact with flue gas can leadto corrosion.Never use brushes to cleanthe he

33Checking the condensate drain and cleaning the siphonACB1. Release hook and remove siphonA with sealing piece B.Pull siphon A upwards away fromthe

34Burner installationA4xBDEFC1. Mount burner and secure with fourscrews A.2. Insert new gasket and tighten the fit-tings on gas supply pipe B.3. Tig

356. Check the gas connections for tight-ness.DangerEscaping gas leads to a risk ofexplosion.Check all fittings for gas tight-ness.!Please noteThe us

36Checking the diaphragm expansion vessel and system pressureCarry out this check with a cold system.AATest port1. Drain the system, until the pressu

37Fitting the front panel2x1.2.1. Hook the front panel into place. 2. Tighten screws at the bottom.Instructing the system userThe system installer m

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

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

4Service instructionsInstallation informationProduct information...

40Displayedfault codeSystem characteris-ticsCause Measures51 No DHW heating Short circuit, outlettemperature sen-sor Check the sensor (seepage 47).58

41Displayedfault codeSystem characteris-ticsCause MeasuresF2 Burner in a faultstateThe temperaturelimiter has respon-dedCheck heating system filllevel

42Displayedfault codeSystem characteris-ticsCause MeasuresFd Burner blocked Fault, burner con-trol unitCheck ignition electrodesand connecting cables.

43Removing the front panel2x2.1.1. Undo screws at the bottom of theboiler; do not remove completely.2. Remove front panel.TroubleshootingRepairs5618

44Outside temperature sensorX21 X7X204 3 2 11. Open the control unit casing. Seepage 15.2. Disconnect leads from outside tem-perature sensor.10010-1

45Boiler water temperature sensorA1. Pull the leads from boiler water tem-perature sensor A and check theresistance.10110 30 50 70 90 110Temperature

46Checking cylinder temperature sensorX21 X7X205X21 X7X2051. Pull plug % from the cable harness.10110 30 50 70 90 110Temperature in °C0.40.60.8246820R

47Checking the outlet temperature sensorA10110 30 50 70 90 110Temperature in °C0.40.60.8246820Resistance in kΩSensor type: NTC 10 kΩ1. Pull leads fro

48Checking the temperature limiterIf the burner control unit cannot be resetafter a fault shutdown, although theboiler water temperature is belowappro

49Checking the flue gas temperature sensorA1. Pull leads from flue gas temperaturesensor A.10110 30 50 70 90 110Temperature in °C0.40.60.8246820Resis

5Specification... 73CertificatesDeclaration of con

50Checking and cleaning the plate heat exchangerNoteDrain the boiler on its heating water andDHW side.A2xB1. Undo plate heat exchanger A(screws B) and

51Checking the fuseF41. Switch off the power.2. Open control unit casing (seepage 15).3. Check fuse F4.TroubleshootingRepairs (cont.)5618 689 UAESe

52Removing gas restrictorDCBAE1. Removing the burner (see "Commis-sioning, inspection and mainte-nance")2. Pull cable from gas train A.3. U

53r2. Turn both rotary selectors "tw" and"tr" simultaneously to their respec-tive central positions."SERV" appears on t

54Heating modeIn weather-compensated mode, theboiler water temperature is regulatedsubject to the outside temperature.Heating curve of weather-compens

55DHW heatingHeating the DHW primary store fromcoldThe heating circuit pump is switched onand the 3-way diverter valve will bechanged over, if the cyl

56ABCDEFGHAStepper motor diverter valveBIgnition/ionisationDesignsConnection and wiring diagram5618 689 UAE

57CVitotrol 100 Type RT Type UTA type UTDB Type UTDB-RFDPower input 230 V/50 HzERemote control (Open Thermdevice)FOutside temperature sensor(acces

58The following information is required: Serial no. (see type plate A) Assembly (from this parts list) Position number of the individual partwithin

59B CDEFGAAType plate (on the cover panel)BCasing assemblyCHeat cell assemblyDHydraulic assemblyEControl unit assemblyFMiscellaneous assemblyParts lis

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

60GCylinder assemblyCasing assembly0001 Front panel0002 Logo0003 Cover panel with gasket0004 Profiled seal0005 Control unit support0006 Safety guard00

610001 Gasket DN 600002 Boiler flue connection0003 Boiler flue connection plug0004 Flue gas gasket0005 Flue gas temperature sensor0006 Heat exchanger0

620003000100160013000400080023002300090010002300200021001600150019000700060003000500020001Parts listsHeat cell assembly (cont.)5618 689 UAE

630001 Burner gasket0002 Thermal insulation ring0003 Cylinder burner gauze assembly0004 Burner gauze assembly gasket0005 Burner door0006 Ionisation el

64001300140013001500150015001600120010000900080007000600050004000300020001000300060013Parts listsBurner assembly (cont.)5618 689 UAE

650001 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

660045004400450043004600280015001500510027000500250026001700200017001900180023001800240020002100220037001200340032002000100042003100300029001100360035

670001 Valve insert0002 Flow unit0003 Return unit0004 Overflow valve0005 Overflow pipe0006 Plate heat exchanger0007 Profiled gasket0008 Temperature se

680001 Control unit0002 Cover, wiring chamber0003 Fuse 2.5 A (slow) 250 V0004 Cable harness X200005 Cable harness 100/350006 Cable harness stepper mot

6900020007000600050004000100030008Parts listsControl unit assembly (cont.)5618 689 UAEService

7Dimensions and connections354809451003497740900ABCDEF GH K166AArea for electrical connectionsBHeating flowCCondensate drainDHeating returnEFilling/dr

700001 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

7100080009000700010007000100010004000500150006000700140002000300020010001200110007Miscellaneous assembly0001 Special grease0002 Touch-up spray paint,

720004 Installation and service instruc-tions0005 Operating instructions00030002000500040001Parts listsMiscellaneous assembly (cont.)5618 689 UAE

73Rated voltage: 230 V~Rated frequency: 50 HzRated current: 2.0 A~Safety category: IIP rating: IP X4D to EN 60529Permissible ambient temperature dur

74Declaration of Conformity for the Vitodens 111-WWe, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as sole respon-sible body that the pr

75BBoiler water temperature sensor ...45Burner gasket...30Burner gauze assembly...30Burner ins

76TTemperature limiter...48Troubleshooting...43VVentilation air pipe...

8Preparing the connectionsNoteThis boiler (IP rating: IP X4D) isapproved for installation in wet roomsinside safety zone 1 in accordance withDIN VDE 0

9250Ø10Installation sequenceFitting the wall mounting bracket5618 689 UAEInstallation