Viessmann Vitodens 200 Service Instructions Manual Download Page 115 | Manualshive

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119

Appendix

Key word index

(cont.)

H

Heating circuit control checking,

H

with Comfortrol prog. unit,ă47

H

with standard programming unit,ă46

Heating curve

H

with Comfortrol prog. unit,ă82

H

with standard programming unit,ă63

Heating surfaces, cleaning,ă19

Heating system designs,ă22

I

Idle pressure,ă8

Ignition,ă18

Initial start-up,ă4

Ionisation current,ă21

L

Language selection,ă7

M

Mains power connection,ă97/98

Maintenance,ă4

Manufacturer's certificate,ă117

N

Neutralisation system,ă20

O

Outside temperature scanning,ă77,ă95

Outside temperature sensor,ă38

P

Parts list,ă102

PCBĂVRĂ20,ă49,ă50

R

Relay test,ă41,ă42

S

Screed drying,ă67,ă86

Serial numbers,ă2

Service settings,ă54

Safety chain,ă43

Safety instructions,ă2

Scanning actual temperatures,

(heavy duty control unit),ă59

Scanning boiler water temp.,ă77,ă95

Scanning temperatures,

H

with standard prog. unit,ă77

H

with Comfortrol prog. unit,ă95

Set temperatures, scanning and

changing (control unit for constant

temperature),ă59

Specification,ă114

Strapping plugĂ"X

Ă

6",ă49,ă50

System design,ă22

T

Temperature scanning,

H

with Comfortrol prog. unit,ă95

H

with standard prog. unit,ă77

Test settings,ă54

V

Validity of this manual,ă2

VitotronicĂ050 checking,ă46

H

with Comfortrol prog. unit,ă47

H

with standard prog. unit,ă46

VRĂ20 circuit board,ă49,ă50

W

Wiring diagram,ă97

5692Ă485ĂGB

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Summary of Contents for Vitodens 200

Page 1: ...heating engineers VitodensĂ200 typeĂWB2 48 6 to 66 3 44 to 60ĂkW Wall mounted gas fired condensing boiler with integral boiler control unit Natural gas and LPG version See notes on applicability pageĂ2 5692Ă485 GBăăă12 2002 Please keep safe ...

Page 2: ...d to carry out repairs on parts that fulfil a safety function Use only original Viessmann spare parts or equivalent parts that have been approved by Viessmann Initial start up The initial start up must be carried out by the installer of the system or a designated commissioning engineer all actual values should be recorded in a commissioning service report Instructing the system user The system ins...

Page 3: ...ndard programming unit Function descriptionĂ 60 Calling up coding levelĂ1Ă 62 Heating curvesĂ 63 Adjusting heating curvesĂ 64 Summary coding levelĂ1Ă 67 Calling up coding levelĂ2Ă 72 Summary coding levelĂ2Ă 73 Brief scanĂ 76 Scanning temperaturesĂ 77 ControlĂunitĂforĂweather compensatedĂmodeĂwithĂComfortrolĂprogrammingĂunit Function descriptionĂ 79 Calling up coding addressĂ 81 Heating curvesĂ 82 ...

Page 4: ...sĂ 12 C 9 Max outputĂ 14 C M 10 Fully checking the burner recordĂvaluesĂon pageĂ108 of commissioning report C 11 Leak testing the BF system circular gap check Ă 16 I M 12 Removing the burner and checkingĂthe burner gasket for leaksĂ 17 I M 13 Checking the burner gauze assemblyĂ 18 I M 14 CheckingĂ ĂadjustingĂignitionĂ ionisationĂelectrodesĂ 18 I M 15 Cleaning the combustion chamber heating surface...

Page 5: ...ng steps Inspection steps Maintenance steps Page C I M 22 Checking all gas components for leaks at operating pressure C M 23 Checking the ionisation currentĂ 21 C M 24 Checking the external LPG safety valve if installed C 25 Matching up the coding addresses control unit for weather compensated mode Ă 22 5692Ă485 GB ...

Page 6: ...Fill the system via tapĂA vent the system and check the system pressure min system pressure Ă0 8Ăbar 3 Close the shut off valves on the heating water side of the system 4 Connect the drain hose to ball valveĂB 5 Open ball valvesĂA and B and vent until no further air noises are audible 6 Close ball valvesĂA and B and open the shut off valves on the heating water side 5692Ă485 GB B A ...

Page 7: ...The boiler can be operated in the Wobbe index range 12 0 to 16 1ĂkWh m3 43 2 to 58 0ĂMJ m3 LPGĂPĂversion The boiler can be operated in the Wobbe index range 21 4 to 22 5ĂkWh m3 76 9 to 81 0ĂMJ m3 2 Compare the gas category type and group with the details on the burner label 3 The burner must be converted acc to the details provided by the mains gas or the LPG supplier to match the fuel provided if...

Page 8: ...lines after flushing Idle pressure 1 Close the gas shut off valve 2 Release the screw inside test nippleĂ PE ĂA on the gas combination valve but do not remove and connect the pressure gauge 3 Open the gas shut off valve 4 Check the idle pressure it should be H max 25Ămbar for natural gas and H max 57 5Ămbar for LPG Record the actual value in the service report 5 Start up the boiler For function se...

Page 9: ...er over 25Ămbar over 57 5Ămbar Install a separate gas pressure governor upstream of the system and regulate the pressure to 20Ămbar for natural gas or 50Ămbar for LPG Notify your mains gas or LPG supplier 7 Shut down the boiler close the gas shut off valve remove the pressure gauge and close test nipple PE ĂA with the screw ă8 Check the closing function of the gas combination valve H Connect the p...

Page 10: ... Increase set value and ensure heat is drawn off Control unit issues a heat demand set boiler temp is 5ĂK higher than actual boiler temp Differential pressure sensor enables start 0 75ĂV across terminals XĂ14 5 XĂ14 4 Yes Yes Yes after approx 70Ăsec Fault U06ĂĂĂorĂĂĂU 0 6ĂĂĂorĂĂĂ06 Check cables and plugs on fan check fan Check air damper movement Check flue gas system Check differential pressure s...

Page 11: ...igher than 5ĂmA green LED lights up Yes Fault U14ĂĂĂorĂĂĂU 1 4ĂĂĂorĂĂĂ14 Check electrode settings check for air bubbles in gas pipe check if leads LĂ1 and N have been interchanged check strapping plugĂ158 Check the gas combination valve drive voltage 20ĂVć check the gas supply pressure Check ignition mod ule drive voltage 24ĂVć across plugs 54 and 54ć Ignition Yes Yes Fault U14ĂĂĂorĂĂĂU 1 4ĂĂĂorĂĂ...

Page 12: ...g on the Wobbe index the CO2 content reaches levels of H 6 6 to 10 0Ă for natural gasĂE H 7 0 to 10 0Ă for natural gasĂLL and H approx 10 0Ă for LPGĂP Compare the measured CO2 value with the above CO2 value ranges of the individual groups enquire the gas group from your mains or LPG gas supplier If the actual CO2 value deviates by more than 1Ă for natural gas or 0 5Ă for LPG proceed as follows H C...

Page 13: ...with standard programming unit 0 60 50 40 32 33 21 12 12 2 6 2 2 1 8 0 1 2 1 0 0 8 0 6 0 2 1 7 1234567 8 6 N 3 6 8 7 4 N 5 T N 5 7 8 4 N 4 5 7 8 T H Select the required heating program H Set rotary selector s to the required value H Enter actual values into the service report H Close the test port Control unit for weather compensated mode with with menu guided Comfortrol programming unit B A D C i...

Page 14: ...per rated heating output See table on pageĂ13 3 Remove the caps from test nipplesĂA of the gas combination valve 4 Connect the gauge to both test nipplesĂA Please note Control pressureĂ Ădifferential pressure This lies between 0 25 and 4Ămbar Use a suitable pressure gauge with a range from 0 to 10Ămbar Vacuum pressure is applied to both test nipples The vacuum pressure on the test nipple with the ...

Page 15: ...stabilised ă8 Remove the pressure gauge fittings from test nipplesĂA and seal the nipples with the caps ă9 Assemble control unitĂB flip it up and secure with screws 10 Record the settings for max output on the type plate included with the Technical documentation Affix the type plate on the inside of the front cover of the front panel Rated output 1 kW 11 15 20 25 30 35 40 44 45 50 55 60 Control pr...

Page 16: ...commend that your heating engineer carries out a simple leak test during the initial start up of your system It would be sufficient to check the CO2 concentration in the combustion air at the annular gap in the BF line The flue pipe is deemed to be sufficiently tight if the CO2 concentration in the combustion air is a maximum of 0 2Ă and the O2 concentration is a minimum of 20 6Ă If actual CO2 val...

Page 17: ...eguard against re opening 3 Pull the electrical cables off fan motorĂA differential pressure sensorĂB gas valveĂC ionisation electrodeĂD ignition unitĂE and earthĂF 4 Loosen gas connection pipeĂG 5 Slacken six nutsĂH and remove the burner Do not rest the burner on the gauze assembly wire mesh 6 Check the burner gasket for damage U shaped gasket see parts list and replace if necessary Generally rep...

Page 18: ...rt a new burner gauze assemblyĂD with new assembly gasketĂE and secure with eight Torx screws Torque 4 5ĂNm 5 Refit thermal insulation ringĂB Checking and adjusting the ignition and ionisation electrodes 1 Check the electrodes for wear and contamination 2 Clean the electrodes with a small brush or emery paper Ensure that wire mesh is not damaged 3 Check all clearances If the gaps are not as specif...

Page 19: ...its with alkaline cleaning agents with additional surfactants e g FauchĂ600 H Remove coatings and surface discolouration yellowĆbrown with slightly acidic chloride free cleaning agents based on phosphoric acid e Ăg AntoxĂ75ĂE H Flush thorougly with water Please note FauchĂ600 and AntoxĂ75ĂE are supplied by Hebro Chemie GmbH Rostocker StraßeĂ40 DĆ41199ĂMönchengladbach c Intec BassersdorfĂAG Grindel...

Page 20: ... 1 Check the pH value of the condensate with a pH test strip Replace the granulate if the ph value reachesĂ Ă6 5 Please note Part no for pH test strips 9517Ă678 2 In case of contamination Flush the neutralisation system with tap water Observe the manufacturer s instructions regarding the neutralisation system 3 Top up to the marking The granulate is used up as it neutralises the condensate The red...

Page 21: ...agram 2 Start up the boiler set to the higher rated output Set emission test switchĂ S on the control unit to h The minimum ionisation current should be at least 5ĂmA as soon as the flame is established approx 2ĂĆĂ3Ăseconds after opening the gas combination valve 3 If the ionisation current is Ă5ĂmA H check the electrode gap see pageĂ18 H check the control unit power supply 4 Set the emissions tes...

Page 22: ...rol unit must be matched to the system equipment Standard programming unit control Comfortrol programming unit control As delivered condition DesignĂ 04 00 DesignĂ 000 000 Heating system with one heating circuit without mixer and without DHW heating M M or Heating system with low loss header and heating circuits downstream with separate heating circuit control and without DHW heating 5692Ă485 GB ...

Page 23: ...ng circuit without mixer set the coding address toĂ 22 01 for standard programming unit or 008 001 for Comfortrol programming unit Standard programming unit control Comfortrol programming unit control DesignĂ 04 01 DesignĂ 000 001 Heating system with one heating circuit without mixer and with DHW heating M M or Heating system with low loss header and heating circuits downstream with separate heati...

Page 24: ...2 M Heating system with one heating circuit with mixer and one heating circuit without mixer without DHW heating DesignĂ 04 03 DesignĂ 000 003 M Heating system with one heating circuit with mixer and one heating circuit without mixer with DHW heating For further adjustments see coding summary H with standard programming unit from pageĂ67 H with Comfortrol programming unit from pageĂ84 5692Ă485 GB ...

Page 25: ...25 Initial start up inspection and maintenance 5692Ă485 GB ...

Page 26: ... U 1 ă8 OUTSIDE TEMPERATURE SENSOR outside temperature ćć U 2 ă0 FAULT FLOW OFF Heating circuit supply temperature too low ćć U 2 ă8 FLOW TEMPERATURE SENSOR temperature too low 1ĂăĂ3 U 3 ă0 FAULT BOILER OFF Boiler cools down ăĂăĂ3 U 3 ă8 BOILER TEMPERATURE SENSOR ćć U 4 ă0 FAULT FLOW OFF Mixer opens ćć U 4 ă8 FLOW TEMPERATURE SENSOR Mixer closes 5692Ă485 GB Control unit for constant Control unit f...

Page 27: ...ture sensor see pageĂ39 Short circuit or cable break see pageĂ39 Boiler temperature sensor Short circuit or Check the boiler temperature sensor see pageĂ39 or cable break Flow temperature sensor Short circuit Mixer motor installation instructions Flow temperature sensor Cable break instructions 5692Ă485 GB Control unit for weather compensated mode with Comfortrol programming unit Open flapĂ Ăfault...

Page 28: ... down ăĂăĂ5 U 5 ă8 DHW CYLINDER TEMPERATURE SENSOR cylinder cools down 1ĂăĂ6 U 6 ă0 ćć OFF Boiler cools down ăĂăĂ6 U 6 ă8 1ĂăĂ6 U 6 ă1 ćć OFF ON Boiler cools down ăĂăĂ6 U 6 ă9 1ĂăĂ7 ćć ćć OFF No heating ăĂăĂ7 ćć U 7 ă0 FAULT 70 OFF Activation after 20ĂºC daytime set value 14ĂºC night set value ćć U 7 ă8 FAULT 78 OFF Activation after 20ĂºC daytime set value 14ĂºC night set value AĂăĂ1 U A ă1 FAULT ...

Page 29: ...ns Check coding Short circuit ć WS RS remote control unit Check the WS RS remote control unit Cable break ć WS RS remote control unit or incorrect coding Check the WS RS remote control unit Check coding BUS fault Check the seating of circuit boardĂVRĂ20 Check the BUS connection on plugĂ XĂ5 3ĂĆĂXĂ5 4 e g extension kit for heating circuit with mixer or Vitocom for correct connection and function if...

Page 30: ...Pump runs at maximum speed or pump inoperative AĂăĂ5 U A ă5 FAULT A5 OFF ćć ćć ćć FAULT B1 OFF Constant heating bĂăĂ2 U b ă2 FAULT B2 OFF Boiler cools down bĂăĂ3 U b ă3 FAULT B3 OFF No adjustment possible via service level bĂăĂ6 U b ă6 FAULT B6 BURNER CONTROL UNIT FAULTY OFF Boiler cools down UĂCĂC U C ăC FAULT CC 204 1 ON Burner control unit fault 1ĂăĂC cĂ Ă_8 FAULT C8 OFF The boiler does not sta...

Page 31: ... programming unit see pageĂ94 Break in the BUS connection to the Comfortrol programming unit Check the cable connections to the programming unit Sensor inputs are not properly read Check the correct sensor connections on plugsĂ XĂ6 and XĂ7 as well as the connection cables to the sensors for damage Check the interconnecting cable connections to all other external connections Possibly remove plug co...

Page 32: ... or U E _Ă_ FAULT E4 OFF ćć ćć U F ă2 FAULT F2 OFF ćć UĂFĂ4 U F ă4 FAULT F4 OFF ćć ćć U F ă5 FAULT F5 OFF ćć UĂFĂ9 U F ă9 FAULT F9 249 1 OFF ON Burner control unit fault FĂăĂb U F ăb FAULT FB Flashing Burner control unit emergency mode UĂFĂd U F ăd FAULT FD 253 1 ON Burner control unit fault UĂFĂE U F ăE FAULT FE 254 1 ON Burner control unit fault UĂ0Ă2 U 0 ă2 FAULT 02 002 1 ON Burner control unit...

Page 33: ...ner control unit faulty Replace PCB LGMĂ29 burner control unit Burner control unit parameter fault Replace PCB LGMĂ29 burner control unit ćć Check the ignition module the ignition electrodes the ionisation electrode and cable harnessĂ XĂ13 for damage see pageĂ97 98 Check the electrode adjustment see pageĂ18 21 Check the flue gas system for leaks Then press reset keyĂ U once If this fault message p...

Page 34: ...UĂ0Ă4 U 0 ă4 FAULT 04 004 1 ON Burner control unit fault UĂ0Ă5 U 0 ă5 FAULT 05 005 1 ON Burner control unit fault UĂ0Ă6 U 0 ă6 FAULT 06 006 1 ON Burner control unit fault UĂ0Ă7 U 0 ă7 FAULT 07 007 1 ON Burner control unit fault UĂ0Ă8 U 0 ă8 FAULT 08 008 1 ON Burner control unit fault UĂ0Ă9 U 0 ă9 FAULT 09 009 1 ON Burner control unit fault UĂ0ĂA U 0 ăA FAULT 0A 010 1 ON Burner control unit fault 1...

Page 35: ...em for leaks and unrestricted flow Check cable connections to fan motor and fan power supply see pageĂ97 98 Fan speed Check flue gas system sizing against details specified in Vitodens Technical Guide Fan speed Guide Check flue gas system for leaks and unrestricted flow Ch k bl ti t f t d Fan speed Check cable connections to fan motor and fan power supply see pageĂ97 98 The base level of the air p...

Page 36: ...4 FAULT 14 021 1 ON Burner control unit fault UĂ0ĂC U 0 ăC FAULT 0C 012 1 ON Burner control unit fault UĂ0Ăd U 0 ăd FAULT 0D 013 1 ON Burner control unit fault UĂ2Ă5 U 2 ă5 FAULT 25 OFF Boiler runs with a high boiler water temperature UĂ2Ă6 U 2 ă6 FAULT 26 OFF Boiler runs with constant modulation UĂ3Ă5 U 3 ă5 FAULT 35 OFF Boiler does not start 1ĂăĂ5 5Ă Ă_1 FAULT 51 OFF No DHW heating ăĂăĂ5 5Ă Ă_9 ...

Page 37: ...ed off Check the electrodes and the electrode block see pageĂ18 Check the gas combination valve see pageĂ9 The equipment is still disabled Press the reset keyĂ EU once Emissions test switchĂ S has been on h for 30Ămins Set emissions test switchĂ S to a Setting mode for the upper or lower rated output is active test setting Set the heating program selector switch to the required mode or close the c...

Page 38: ...r weather compensated mode 1 Pull plug in connectorĂ XĂ6 off the control unit 2 Test the resistance across terminals XĂ6 3 and XĂ6 4 on the pulled connector and compare with the curve 3 Where actual values strongly deviate from the curve values disconnect the wires at the sensor and repeat test directly at the sensor 4 Depending on the result replace the cable or the outside temperature sensor 569...

Page 39: ...erature sensor or low loss header flow temperature sensor Pull plugĂ XĂ7 off 2 Check the sensor resistance and compare actual values with the curve 3 Replace the sensor in case of severe deviation ĂSafety instruction The boiler temperature sensor is immersed in the heating water Drain the boiler before replacing the sensor 5692Ă485 GB A 10 1 10 30 50 70 90 110 20 40 60 80 100 120 Temperature in C ...

Page 40: ... in the adaptor H for closure of the test nipples with plugs Replace the sensor if fault messages still persist Checking the O rings 1 Pull off electrical plugĂA 2 Remove sensorĂB by pulling it upwards 3 Ensure that both OĆringsĂC are properly inserted into orificesĂD of the adaptor 4 Insert the sensor with connection nipples into the gas combination valve adaptor and push in until it clicks into ...

Page 41: ...rcuit pump with extension kit for a heating circuit with mixer ć2 U 0 ă3 Mixer open 1 U 0 ă8 Mixer closed 2 U 0 ă7 DHW circulation pump ć4 U 0 ăd No function ć3 U 0 ă1 Burner start with lower rated output and heating circuit pump ON ć5 Display of boiler water temperature Burner start with upper rated output and heating circuit pump ON ć6 Fault code display from the fault memory see pageĂ26 3 Retur...

Page 42: ... ć Burner 1stĂstage N A ST41 ON 02 ć Heating circuit pumpĂA Circulation pump ST20 ON 03 ć Heating circuit pumpĂB Heating circuit pump ST20B ON for extension kit with mixer 04 ć Cylinder loading pump Three way valve DHW cyl loading ST21 ON 07 ć Mixer HCĂB Mixer closed 1 ST52B CLOSED 08 ć Mixer HCĂB Mixer open 1 ST52B OPEN 10 ć Modulation Burner lower output ST90 CLOSED Circulation pump Burner ST41 ...

Page 43: ...lthough the boiler water temperature is below approx 90ĂºC H Pull off one cable of thermo couplesĂA H Check thermocouple continuity with a multimeter H Remove faulty thermocouples H Coat replacement thermocouples with heat conducting paste and install H After commissioning press reset keyĂ EU on the control unit 5692Ă485 GB A ...

Page 44: ...e coversĂA and B 3 Check fuseĂFĂ1 FĂ2 and FĂ3 When replacing fuses observe the following FĂ1 4ĂA slow 250ĂV max dissipated energyĂxĂ 1 6ĂW or 6 3ĂA slow 250ĂV max dissipated energyĂxĂ 2 5ĂW FĂ2 2 5ĂA slow 250ĂV max dissipated energyĂxĂ 1ĂW FĂ3 6 3ĂA slow 250ĂV max dissipated energyĂxĂ 2 5ĂW 5692Ă485 GB A F3 F1 F2 B ...

Page 45: ...ring the self test Then set the mixer manually to Open The flow temperature sensor must now sense a higher temperature If the temperature falls either the motor is turning in the wrong direction or the mixer set is incorrectly fitted Mixer installation instructions 3 Adjust the rotational direction of the mixer motor if required H Switch positionĂI for the central heating return from the l h side ...

Page 46: ...mming unit 1 Set the heating program selector switch to T 2 Set rotary selectorĂ s to ć6 3 Simultaneously press keysĂ u and 1Ć7 4 Evaluate the display With VitotronicĂ050 Expansion module not recognised Expansion module recognised 5 Check the correct installation if the extension module or VitotronicĂ050 are not recognised Please note A green LED on the expansion module flashes if the data bus is ...

Page 47: ..._Ă_Ă_Ă0 No expansion module Viessmann 2Ćwire BUS recognised 2Ă_Ă_Ă_Ă_Ă1 Expansion module Viessmann 2Ćwire BUS recognised VitotronicĂ050 The 2ndĂdigit from the left means _2Ă_Ă_Ă_Ă_ Extension kit for a heating circuit with mixer or VitotronicĂ050 recognised Please note A green LED on the expansion module flashes if the data bus is active The data cableĂ XĂ5 3 ĂĆĂ XĂ5 4 may be interchanged if the LE...

Page 48: ...y selector must be set to 4 Please note Please observe the respective installation documents for VitotronicĂ050 Set the rotary selector to 5 if in addition to VitotronicĂ050 an extension kit for one heating circuit with mixer is also connected Set the rotary selector on any additional VitotronicĂ050 which may be connected to 6 etc 5692Ă485 GB ...

Page 49: ...ugs installed as shown With extension module Viessmann 2Ćwire BUS Both strapping plugs removed External demand on site With standard programming unit Change coding addressĂ 30 00 to 30 01 and 35 00 to 35 01 With Comfortrol programming unit Change coding addressĂ 011 000 to 011 001 and 027 000 to 027 001 Please note The boiler is started according to the setting of coding addressĂ 125 standard prog...

Page 50: ...ntact on plugĂ XĂ6 1ĂĆĂXĂ6 2 is connected 1 Pull out circuit boardĂVRĂ20ĂA 2 Re position strapping plugĂ XĂ6 ĂB 3 Re fit circuit boardĂA Please note The boiler is shut down according to the setting of coding addressĂ 108 standard programming unit or 0A8 Comfortrol programming unit 5692Ă485 GB A B ...

Page 51: ...able However the heating program selector position remains unchanged A further call up reloads the preselected heating program With standard programming unit Change coding addressĂ 35 00 to 35 01 Preselected heating program Changed heating program after telephone call H Constant central heating with standard room temperature H Constant DHW heating Standby mode with frost protection Standby mode wi...

Page 52: ...e coding addressĂ 011 000 to 011 001 Preselected heating program Changed heating program after telephone call H Constant central heating with standard room temperature H Constant DHW heating Standby mode with frost protection With codeĂ 0C8 001 as delivered condition Standby mode with frost protection With codeĂ 0C8 000 H Constant central heating with standard room temperature H Constant DHW heati...

Page 53: ...ed with positionĂ SĂ1 of the heating program selector switch see pageĂ55 The DHW cylinder can be briefly heated if installed to 60ĂºC by setting the heating program selector switch toĂ SĂ4 see pageĂ56 You can select limited system frost protection using positionĂ SĂ6 of the heating program selector switch see pageĂ57 A Gauge B Rotary selector Heating water temperature C Rotary selector DHW tempera...

Page 54: ...e service position on the heating program selector switch The display shows Ă BBĆBĆ The current parameter will be displayed after approx 2Ăsec 2 Turn rotary selectorĂ w fully clockwise The maximum value flashes in the display Please note If rotary selectorĂ w is positioned to the right of the central position turn it first anticlockwise beyond the centre 3 Turn rotary selectorĂ w fully anticlockwi...

Page 55: ...lation pump For setting steps see pageĂ54 Parameter Circulation pump behaviour 0 OFF immediately after burner switch off 1 to 120 As delivered condition 2 As delivered condition 2Ămin run on ă1 to 120Ăminutes run on Setting step range ă1 to ă10Ăminutes in 1 min steps 15 to 120Ăminutes in 5 min steps SĂ2Ăć External blocking Subject to set parameters different components are disabled when contactĂ X...

Page 56: ...efly be heated by the additional function to 60ĂºC You can select the frequency For setting steps see pageĂ54 Parameter Heating frequency 0 as delivered condition Additional function inactive 1 to 30 ă1 Every time DHW is heated it will be heated to 60ĂºC to 30 Every 30thĂDHW heating it will be heated to 60ĂºC SĂ5Ăć DHW heating Different options for DHW heating may be selected For setting steps see...

Page 57: ... is selected by control unit in such a 3 hysteresis 1 5 hysteresis falls below its limits selected by control unit in such a way that set room temperature selected on clock thermostat is 4 2 0 below its limits Pump run on SĂ1 will be activated selected on clock thermostat is maintained inside the room as 5 2 5 will be activated when room temp maintained inside the room as accurately as possible Bu...

Page 58: ...Pump run on S1 is influenced by the room temperature set on the clock 13 temp the boiler water ă3ĂK Pump run on SĂ1 will be activated p thermostat The boiler water temperature will 14 temp changes ă4ĂK when the burner is switched OFF The boiler water temperature will be maintained at the set value 15 changes from its set ă5ĂK is switched OFF selected on the control unit if the room temperature is ...

Page 59: ...layed DHW cylinder temperature gas fired boiler or draw off temperature gas fired combination boiler In operating mode w only DHW will be displayed Rotary selectorĂ w must not be turned fully anticlockwise Scanning and changing set temperatures The set value change will flash for approx 5 sec Then the relevant actual temperature will be displayed Select the required boiler water temperature on rot...

Page 60: ...calculates the modulation level and controls the burner accordingly The burner control unit limits the boiler water temperature H by the limit thermostat to 84ĂºC H by the electronic high limit thermostat to 82ĂºC The thermocouple in the safety chain locks out the burner control unit at 100ĂºC boiler water temperature Supplementary DHW heating The supplementary heating facility will be activated i...

Page 61: ...ions test switch L Burner operation display M System ON OFF switch N s Rotary selector Standard room temperature O m Rotary selector Reduced room temperature P Display Reduced room temperature R DisplayĂ DHW heating S Key Base settings T w Rotary selector DHW temperature U GĂRotary selector V N Rotary selector Level of the heating curve W n Rotary selector Slope of the heating curve X Start up and...

Page 62: ...usly press red keyĂ w and blue keyĂ M Hold the keys down until after approx 5Ăseconds 01 00 is displayed 2 Coding address selection Press keyĂ u and turn rotary selectorĂ G clockwise until the required coding address is displayed 3 To change the coding address value Press keyĂ 1Ć7 and turn rotary selectorĂ G until the required value appears 4 Terminating coding Press red keyĂ r 5692Ă485 GB 1 7 1 2...

Page 63: ...oiler water or flow temperature The room temperature again depends on the boiler water or the flow temperature If different room temperatures are set the curves will be adjusted parallel to the set room temperature axis Settings in as delivered condition H Slope n Ă1 4 H Level N Ă0 5692Ă485 GB 2 4 10 5 0 5 10 15 20 Outside temperature in ºC 40 50 60 70 80 90 100 110 Boiler water temperature or flo...

Page 64: ... DesignsĂ 04 02 and 04 03 Heating circuit without mixer Setting of coding addressĂ 08 Slope setting range 08 00 Ă Ă0 2 to 08 15 Ă Ă2 6 Change per step 0 2 As delivered condition 08 09 Ă Ă1 4 5692Ă485 GB Outside temperature inºC 110 23 20 17 Boiler water temperature or flow temperature in ăC º N N 8 6 3 6 8 7 4 5 0 60 50 40 32 33 21 12 12 2 6 2 2 1 8 0 1 2 1 0 0 8 0 6 0 2 1 7 12 3 4 5 67 ºC 2 6 110...

Page 65: ... 15 Ă Ă36ĂK Change per step 2ĂK As delivered condition 07 01 Ă Ă8ĂK Please note If VitotronicĂ050 is connected the set differential temperatures add up as delivered condition respectively 8ĂK Therefore set the differential temperature on VitotronicĂ050 appropriately lower 5692Ă485 GB 110 20 20 Outside temperature in ºC Outside temperature inºC Boiler water temperature or flow temperature in ăC º N...

Page 66: ...e of the max temp of 06 01 Ă Ă40ĂºC to 06 15 Ă Ă110ĂºC Change per step 5ĂK AsĂdeliveredĂcondition Ă 06 10 Ă Ă85ĂºC Heating circuit with mixer Setting of coding addressĂ 05 Setting range of the max temp of 05 00 Ă Ă35ĂºC to 05 15 Ă Ă110ĂºC Change per step 5ĂK AsĂdeliveredĂcondition Ă 05 08 Ă Ă75ĂºC 5692Ă485 GB 110 20 20 Boiler water temperature or flow temperature in ăC º Outside temperature inºC ...

Page 67: ... 03 14 03 15 DHW cylinder temperature control Cylinder temperature control optimised Screed drying acc to two optional temperatureĆ time profiles Observe DINĂ4725Ć2 Screed drying acc to temperature profileĂ1 DINĂ4725 2 Screed drying acc to temperature profileĂ2 ZVĂParquet and under floor technology 2 Days 1 5 15 25 10 10 20 20 30 30 40 50 Flow temperature ºC 1 2 1Automatic adjustment if a DHW cyli...

Page 68: ... system with low loss header and without DHW heating 04 01 1 04 02 04 03 1 One heating circuit without mixer or heating system with low loss header plus DHW heating One heating circuit without mixer one heating circuit with mixer without DHW heating One heating circuit without mixer one heating circuit with mixer and with DHW heating 05 08 1 Maximum temperature limit set to 75ĂºC 05 00 to 05 15 Ma...

Page 69: ... 03 DHW cylinder 10 01 The circulation pump starts immediately 10 00 Circulation pump will be switched on subject to boiler temperature 13 00 Circulation pump with run on up to max 10Ămin 13 01 Circulation pump without run on 14 00 Set boiler water temp for DHW cylinder loading acc to set DHW cylinder temp 20ĂK 14 01 Set boiler water temperature during DHW cylinder loading equals 78ĂºC 15 01 With ...

Page 70: ...tepped heating circuit pump e g transfer mode for service 16 01 With heating circuit pump logic function 16 00 Without heating circuit pumps logic function 17 00 Heating circuit without mixer present 17 01 Heating circuit with mixer present Remote control 20 00 Without WS or RS remote control unit 20 01 With WS or RS remote control unit 1 32 01 33 00 Weather compensated mode in heating and reduced...

Page 71: ...nter changeover 50 03 Summer starts March 50 01 to 50 12 January to December 51 05 Summer starts last week of the month 51 01 to 51 05 WeekĂ1 to Week 5 of the selected month 52 07 Summer starts last day of the week Sunday 52 01 to 52 07 Monday to Sunday 53 10 Winter starts October 53 01 to 53 12 January to December 54 05 Winter starts last week of the month 54 01 to 54 05 WeekĂ1 to Week 5 of the s...

Page 72: ...yĂ w and the blue keyĂ M Hold the keys down until after approx 5Ăseconds 01 00 is displayed 2 Call up coding levelĂ2 Simultaneously press the red keyĂ p and the blue keyĂ r Hold both keys down until after approx 5Ăsecs e g to o 000 3 Selecting the coding address Press keyĂ u and turn the rotary selectorĂ G clockwise until the required coding address is displayed 4 To change the coding address valu...

Page 73: ...ĂºC 102 000 to 102 127 Setting range of the set boiler water temp 0 to 127ĂºC max possible boiler water temp 82ĂºC 108 000 Signal external blocking enabled see the following table 108 001 to 108 007 Signal external blocking enabled see the following table Modification types ć coding addressĂ108 External blocking Coding Heating circuit Heating circuit with mixer extension kit Circulation pump for B...

Page 74: ...fication types coding addressĂ125 External demand Coding Heating circuit pump Heating circuit with mixer extension kit Circulation pump for DHW cylinder Boiler water temperature Heating circuit pump Mixer y loading 125 000 ON OFF Closed OFF Will be 125 001 OFF OFF Closed OFF maintained at the set value 125 002 OFF Closed OFF the set value acc to coding 125 003 OFF OFF acc to coding address 102 125...

Page 75: ... upper heating circuit pump speed 046 045 Heating circuit pump speed in reduced mode 046 001 to 046 100 1 Lowest heating circuit pump speed in reduced mode Highest heating circuit pump speed in reduced mode DHW cylinder 100 020 2 Differential temperature between the set boiler water temperature and the set DHW cylinder temperature during DHW heating 100 010 to 100 050 Differential temperature sett...

Page 76: ...heating circuit pump 13 plus VitocomĂ100 06 with burner control unit and extension kit for one heating circuit with mixer 2 16 plus VitocomĂ100 07 with burner control unit extension kit for one heating circuit with mixer 2 and variable speed heating circuit pump 17 plus VitocomĂ100 1For systems with wall mounting fixture plug the programming unit into the control unit 2The system only recognises t...

Page 77: ...44ąºC 5 3 DHW cylinder temperature 5 ă50ąºC 7 4 Room temperature 7 ă20ąºC 1The display value takes weather conditions into consideration such as wind solar radiation and the wall temperature of the building 2Only in connection with the extension kit for heating circuits with mixer 3Only if the sensor is connected or activated 4Only if the programming unit is set into the wall mounting fixture as r...

Page 78: ...ct the ID of the respective temperature from the table ID Meaning of the display Set temperature inĂºC display example 3 Set boiler water temperature 3 ă65ąºC 4 1 Set flow temperature 4 ă44ąºC 5 2 Set DHW water temperature 5 ă55ąºC 1Only in connection with the extension kit for heating circuits with mixer 2Only if the sensor is connected or activated 3 Press keyĂ and turn the rotary selectorĂ G an...

Page 79: ... calculates the modulation level and controls the burner accordingly The burner control unit limits the boiler water temperature H by the limit thermostat to 84ĂºC H by the electronic high limit thermostat to 82ĂºC The thermocouple in the safety chain locks out the burner control unit at 100ĂºC boiler water temperature Supplementary DHW heating The supplementary heating facility will be activated ...

Page 80: ...w Only DHW rw Heating and DHW E Party key F Burner fault display G Burner fault reset H Emissions test switch K Burner operation display L System ON OFF switch M Economy key N mĂRotary selector Reduced room temperature O Information key P Key Base settings R GĂRotary selector S Selection keys T N A 5692Ă485 GB 0 1 2 3 4 0 0 3 4 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10 2 1 5 S B A D C i S R O N A G B D H K ...

Page 81: ... find CodeĂ1 the most important coding addresses in plain text and CodeĂ2 all coding addresses Select the required coding address by pressingĂ A CONTINUE or B BACK Change the relevant coding address with the rotary selectorĂ G CHANGE Confirm the change by pressingĂ D the changeover will then be saved Any changes made and confirmed in codeĂ1 will be automatically adopted into codeĂ2 and vice versa ...

Page 82: ...water or flow temperature The room temperature again depends on the boiler water or the flow temperature If different room temperatures are set the curves will be adjusted parallel to the set room temperature axis Settings in the as delivered condition H Slope Ă1 4 H Level Ă0 5692Ă485 GB 1 4 10 5 0 5 10 15 20 0 2 0 4 0 6 0 8 1 0 1 2 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 Slope 30 40 50 60 70 80 9...

Page 83: ...following menu path Menu item Key HEATING CIRCUITĂA A or HEATING CIRCUITĂB B HEATING CURVE B CHANGE A Heating curve level After opening the programming unit flap follow the following menu path HEATING CIRCUITĂA A or HEATING CIRCUITĂB B HEATING CURVE B CHANGE 2Ă Ă A 5692Ă485 GB 110 Boiler water temperature or flow temperature in ăC 20 20 0 2 1 4 3 5 Outside temperature inºC º 110 13 Boiler water te...

Page 84: ...ng program change blocked 011 001 External demand or external heating program change enabled 027 000 External heating program changeover 027 001 External request 038 020 Minimum flow temp in heating mode 038 020 to 038 127 042 075 Maximum boiler water temperature in heating mode 042 020 to 042 127 Max possible boiler water temp 82ĂºC 099 000 Optional connection DHW circulation pump 099 001 Output ...

Page 85: ...8 007 Signal external blocking enabled see the following table Modification options ć coding addressĂ0A8 External blocking Coding Heating circuit Heating circuit with mixer extension kit Circulation pump for Burner pump Heating circuit pump Mixer p p DHW cylinder loading 0A8 000 Blocked 0A8 001 OFF OFF Closed OFF Blocked 0A8 002 OFF Blocked 0A8 003 OFF Closed Blocked 0A8 004 OFF Blocked 0A8 005 OF...

Page 86: ...nder temperature control optimised Note the screed drying function acc to two selectable temperatureĆtime profiles Observe DINĂ4725Ć2 Screed drying acc to temperature profileĂ1 DINĂ4725 2 Screed drying acc to temperature profileĂ2 ZVĂParquet and under floor technology 2 Days 1 5 15 25 10 10 20 20 30 30 40 50 Flow temperature ºC 1 2 1Automatic adjustment if a DHW cylinder temperature sensor is conn...

Page 87: ...odification options coding addressĂ0C5 External demand Coding Heating circuit Heating circuit with mixer extension kit Circulation pump for Boiler water temperature pump Heating circuit pump Mixer p p DHW cylinder loading 0C5 000 ON OFF Closed OFF Will be 0C5 001 OFF OFF Closed OFF maintained at the set 0C5 002 OFF Closed OFF at the set value acc to 0C5 003 OFF OFF value acc to coding dd 0C5 004 O...

Page 88: ...m with low loss header and without DHW heating 000 001 1 000 002 2 000 003 1 Ă2 One heating circuit without mixer or heating system with low loss header plus DHW heating One heating circuit without mixer one heating circuit with mixer without DHW heating One heating circuit without mixer one heating circuit with mixer and with DHW heating 014 000 3 Party keyĂ g affects heating circuitĂB 014 001 3 ...

Page 89: ...irculation pump with run on 018 001 Circulation pump without run on 028 000 During DHW heating the boiler water temp is a max of 20ĂK higher than the set DHW cylinder temp 028 001 During DHW heating the boiler water temp is limited by the high limit thermostat to 78ĂºC 047 _Ă_Ă_ Actual temp at the DHW cylinder temp sensorĂ in ºC no adjustment possible 0A0 020 1 Differential temp between the set bo...

Page 90: ...eating circuit pump ON for heating system designs 000 002 and 000 003 connection to plugĂ 20ĂA 008 001 Heating circuit pumpĂ OFF for heating system designsĂ 000 002 and 000 003 013 001 With variable speed heating circuit pump automatic recognition 013 000 Stepped heating circuit pump e g transfer mode for service 044 020 Minimum heating circuit pump speed 044 001 to 044 100 1 Lowest value for the ...

Page 91: ... water temp display 009 001 Display of outside temp 019 000 Weather compensated mode WS function for all connected heating circuits 019 001 2 H For systems with one heating circuit without mixer or one heating circuit with mixer Operation with room temp hook up RS function H For systems with one heating circuit without mixer and one heating circuit with mixer Weather compensated mode WS function f...

Page 92: ...mode H For systems with one heating circuit without mixer and one heating circuit with mixer Weather compensated mode WS function for the heating circuit without mixer and weather compensated mode in heating mode and operation with room temp hook up in setback mode WS RS function for the heating circuit with mixer 020 000 Without WS or RS remote control unit 020 001 With WS or RS remote control un...

Page 93: ...io clock module will be automatically recognised 0C7 000 0C7 001 0C7 002 S W manual changeover change of date blocked S W automatic changeover S W manual changeover change of date enabled 0C9 003 Summer starts March 0C9 001 to 0C9 012 January to December 0D0 005 Summer starts last week of the month 0D0 001 to 0D0 005 WeekĂ1 to week 5 of the selected month 0D1 007 Summer starts last day of the week...

Page 94: ...us VitocomĂ100 03 with burner control unit and variable speed heating circuit pump 13 plus VitocomĂ100 06 with burner control unit and extension kit for one heating circuit with mixer 1 16 plus VitocomĂ100 07 with burner control unit extension kit for one heating circuit with mixer 1 and variable speed heating circuit pump 17 plus VitocomĂ100 1The system only recognises the extension kit if it is ...

Page 95: ...emperature of the extension kit for the heating circuit with mixer H Room temperature if the Comfortrol programming unit together with the wall mounting fixture is used as remote control Open cover Menu item Key HEATING CIRCUITĂA or A HEATING CIRCUITĂB or B SYSTEM D OPERATING STATE C ĂorĂ B CONTINUE A H DHW temperature Open cover Menu item Key DHW C DHW CYLINDER A OPERATING STATE C 5692Ă485 GB B A...

Page 96: ...96 Control unit for weather compensated mode with Comfortrol prog unit 5692Ă485 GB ...

Page 97: ...BLIES EXTERNAL PUMP CONNECTIONS INTERNAL POWER SUPPL Y Circulation pump to DHW heating DHW circu lation pump Heating circuit pump Burner fan INTERNAL CONNECTIONS SEE PART 2 MAIN CIRCUIT BOARD PART 1 LGM 29 BURNER CONTROL UNIT EXTERNAL CONNECTIONS SEE P ART 2 VR 20 control unit A5 As delivered condition Ionisation amp lifier in special networks System supply for accessories 230 3A Mains supply 230 ...

Page 98: ...cc 2 M clock thermostat accessory 7450024 1 External op mode changeover or external demand on site 2 5 6 F clock thermostat 7450023 or cascade controller 7450670 accessory 1 5 A clock thermostat 9544556 accessory 1 5 Connection central faults display via adaptor 7404582 accessory Solartrol 7450125 accessory 2 3 Mixer extension set 7450058 2 and or Vitocom 100 accessory Connection of heating circui...

Page 99: ...101 5692Ă485ĂGB ...

Page 100: ...tion hose incl gaskets 030 Conversion kit for natural gas E 031 Conversion kit for natural gas LL 032 Conversion kit for LPG 043 Return pipe extension 044 Flow switch 050 Condensate hose 055 Differential pressure sensor 056 Gas valve 057 Grommets 058 Holder spring pack 059 Siphon 086 Thermocouple 100ĂºC 087 Temperature sensor incl itemĂ049 088 Ignition unit 091 Gas pipe 093 Heat exchanger 094 Burn...

Page 101: ...Parts lists Parts list cont 103 104 5692Ă485ĂGB 001 043 056 028 091 030 031 032 009 093 016 057 057 001 059 050 096 094 001 027 018 100 026 087 058 086 044 120 058 020 088 ...

Page 102: ... cont 105 106 5692Ă485ĂGB 013 012 014 083 069 079 082 081 066 022 074 075 082 084 080 070 048 085 063 089 045 042 010 040 A 035 076 072 011 021 071 061 060 046 062 061 064 065 037 047 019 039 073 025 200 008 033 053 015 041 ...

Page 103: ...vers 071 Mounting bracket 072 Cable entry strip 073 Cable gland cover 074 Potentiometer lid 075 PCB cover VRĂ20 076 Cable gland plug 079 Mounting plate 080 Programming module 081 Main ON OFF button 082 Ribbon cable 26 PIN 083 Programming unit 084 Adaptor circuit board 085 Optolink circuit board 089 Locking screw 200 Locking bracket Parts not shown 002 Operating instructions for constant temperatur...

Page 104: ...ĆĂ25Ămbar jĂfor natural gas LL mbar 17 4ĂĆĂ25Ămbar jĂfor LPG mbar 42 5ĂĆĂ57 7Ămbar jĂTick gas type Carbon dioxide content CO2 HĂat lower rated output by vol HĂat higher rated output by vol Oxygen content O2 HĂat lower rated output by vol HĂat higher rated output by vol Carbon monoxide content CO HĂat lower rated output ppm HĂat higher rated output ppm Ionisation current mA min 3ĂmA 5692Ă485ĂGB ...

Page 105: ...109 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...

Page 106: ...ĂĆĂ25Ămbar jĂfor natural gas LL mbar 17 4ĂĆĂ25Ămbar jĂfor LPG mbar 42 5ĂĆĂ57 7Ămbar jĂTick gas type Carbon dioxide content CO2 HĂat lower rated output by vol HĂat higher rated output by vol Oxygen content O2 HĂat lower rated output by vol HĂat higher rated output by vol Carbon monoxide content CO HĂat lower rated output ppm HĂat higher rated output ppm Ionisation current mA min 3ĂmA 5692Ă485ĂGB ...

Page 107: ...111 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...

Page 108: ...ĂĆĂ25Ămbar jĂfor natural gas LL mbar 17 4ĂĆĂ25Ămbar jĂfor LPG mbar 42 5ĂĆĂ57 7Ămbar jĂTick gas type Carbon dioxide content CO2 HĂat lower rated output by vol HĂat higher rated output by vol Oxygen content O2 HĂat lower rated output by vol HĂat higher rated output by vol Carbon monoxide content CO HĂat lower rated output ppm HĂat higher rated output ppm Ionisation current mA min 3ĂmA 5692Ă485ĂGB ...

Page 109: ...113 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...

Page 110: ... ENĂ60529 ensure through design and installation Permissible ambient temperature H in use ćă0 to 40ĂºC H in storage and in transport ć20 to 65ĂºC Setting electronic high limit thermostat 82ĂºC Setting limit thermostat 100ĂºC fixed Pre fuse mains max 16Ăamp Power consumption H Burner max 105ĂW H Control unit max ă10ĂVA 5692Ă485ĂGB ...

Page 111: ... gasĂLL ă8 13ĂkWh m3 29 25ĂMJ m3 LPG 12 79ĂkWh kg 46 04ĂMJ kg m3 h m3 h kg h 4 90 5 69 3 62 6 69 7 77 4 94 Product characteristics acc to EnEV EfficiencyĂη at ć 100Ă of rated output ć ă30Ă of rated output 97 2 107 1 97 3 107 3 Standby lossesĂqB 70 0 5 0 4 Power consumption 2 at ć 100Ă of rated output ć ă30Ă of rated output W W 277 92 321 107 1The connection values are only for reference e g in the...

Page 112: ...rictors Boiler for Rated output range kW TV TRĂ Ă80 60ĂºC 11 to 44 15 to 60 Natural gasĂE Gas restrictor ID with EĂ44 EĂ60 Natural gasĂLL Gas restrictor ID with LLĂ44 LLĂ60 LPGĂP Gas restrictor ID with PĂ44 PĂ60 5692Ă485ĂGB ...

Page 113: ...iate body in accordance with EMVG article 10 2 certification number E9 02 08 1730 Condensing boilers The product characteristics determined as system values for VitodensĂ200 as part of EC type testing acc to the Efficiency Guideline see Specification table can be utilised to assess the energy consumption of heating and ventilation equipment acc to DINĂVĂ4701Ć10 which is prescribed by the EnEV Manu...

Page 114: ... with standard programming unit ă73 Combustion chamber cleaning ă19 Commissioning service report ă108 Condensate drain ă20 Conformity declaration ă117 Connection and wiring diagrams H Heating components ă99 100 H Power supply ă97 98 Connections ă8 D Declaration of conformity ă117 DHW cylinder temperature scanning ă77 ă95 DHW cylinder temperature sensor ă39 Diagnostics control unit ă26 Differential...

Page 115: ...ts list ă102 PCBĂVRĂ20 ă49 ă50 R Relay test ă41 ă42 S Screed drying ă67 ă86 Serial numbers ă2 Service settings ă54 Safety chain ă43 Safety instructions ă2 Scanning actual temperatures heavy duty control unit ă59 Scanning boiler water temp ă77 ă95 Scanning temperatures H with standard prog unit ă77 H with Comfortrol prog unit ă95 Set temperatures scanning and changing control unit for constant temp...

Page 116: ...2 70Ć27Ă80 www viessmann de Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Tel 44 1952 675000 Fax 44 1952 675040 email info uk viessmann com 120 5692Ă485ĂGBăăăSubject to technical modifications Printed on environmentally friendly chlorine free bleached paper ...

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