Vaillant ecoCOMPACT VCC4 Series Installation And Maintenance Instructions Manual Download Page 12

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4 Set-up

Installation and maintenance instructions ecoCOMPACT 0020181421_04

4.9

Setting up the unit horizontally

▶

Use the adjustable feet to set up the unit horizontally.

4.10

Removing/installing the front casing

Applicability:

150L

Removing the front casing

▶

Refit the components in the reverse order.

4.11

Installing/removing the side casing

▶

Refit the components in the reverse order.

4.12

Moving the electronics box into the lower or
upper position

Note

Moving the electronics box into the lower or upper
position makes it easier to access the unit's vari-
ous components.

Push the electronics box

(1)

upwards and pull it up to-

wards you.

Move the electronics box into the required position.

Summary of Contents for ecoCOMPACT VCC4 Series

Page 1: ...llation and maintenance instructions ecoCOMPACT VCC 4 AT BE de DE Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant de www vaillant de ...

Page 2: ...gnostics menu 20 7 8 Performing a gas family check 20 7 9 Using check programmes 22 7 10 Checking and treating the heating water filling and supplementary water 22 7 11 Reading off the filling pressure 23 7 12 Preventing low water pressure 23 7 13 Filling and purging the heating installation 24 7 14 Filling and purging the domestic hot water system 24 7 15 Checking and adjusting the gas settings 2...

Page 3: ...vice 42 13 1 Customer service 42 Appendix 43 A Pipe lengths in the B23P installation 43 B Installer level menu structure Overview 44 C Overview of diagnostics codes 45 D Inspection and maintenance work Overview 49 E Status codes Overview 50 F Overview of fault codes 51 G Wiring diagram 54 H Gas adjustment values as set at the factory 55 I Technical data 55 J Technical data 57 K Declaration of conf...

Page 4: ... operating installation and servicing instructions for the product and any other system compon ents installing and fitting the product in accord ance with the product and system approval compliance with all inspection and main tenance conditions listed in the instruc tions Intended use also covers installation in ac cordance with the IP code Any other use that is not specified in these in structio...

Page 5: ...smell flue gas in the prop erty Open all accessible doors and windows fully to provide ventilation Switch off the product Check the flue gas routes in the product and the flue gas diversions 1 3 6 Risk of poisoning and burns caused by escaping hot flue gases Only operate the product if the air flue pipe has been completely installed With the exception of short periods for testing purposes only ope...

Page 6: ...f combustion air is always free of fluorine chlorine sulphur dust etc Ensure that no chemical substances are stored at the installation site If you are installing the product in hairdressing salons painter s or joiner s workshops cleaning businesses or similar locations choose a separate installation room in which the room air is technically free of chemical substances Ensure that the combustion a...

Page 7: ... generation ecoCOMPACT Product designation 2H G20 20 mbar 2 kPa Gas group and gas connection pressure as set at the factory Kat e g II2H3P Approved gas category Condensing techno logy Efficiency of the floor standing boiler in accordance with directive 92 42 EEC Information on the data plate Meaning Type e g C13 Approved flue connections PMS e g 3 bar 0 3 MPa Maximum water pressure in heating mode...

Page 8: ...matic air vent for the heating circuit 5 Heating pump 6 Domestic hot water cylinder 7 Hot water drain cock 8 Condensate siphon 9 3 port valve 10 Heating air separator filling the spiral im mersion heater for the domestic hot water cyl inder 11 Heating drain cock 12 Pressure sensor 13 Gas valve assembly 14 Electronics box 15 Heating expansion vessel 3 7 Functional elements Applicability Belgium 16 ...

Page 9: ...tact 4 2 1 Scope of delivery Applicability Austria Quant ity Designation 1 Heat generator 1 Enclosed documentation 2 Bag with seals 1 proKlima set not used 1 Gas conversion set 4 2 2 Scope of delivery Applicability Belgium Quant ity Designation 1 Heat generator 1 Enclosed documentation 1 Bag with seals 4 2 3 Scope of delivery Applicability Germany Quant ity Designation 1 Heat generator 1 Enclosed ...

Page 10: ...due to carrying heavy loads Carrying heavy loads can cause injuries When transporting heavy units observe all valid laws and other regulations Danger Risk of injury due to repeated use of the carrying handles Due to material ageing the carrying handles are not designed to be reused during any subsequent transportation Never reuse the carrying handles 1 Remove the front casing Page 12 Conditions Th...

Page 11: ...ne will accumulate at floor level if there are any leaks In this case there is a risk of explosion Make sure that propane cannot escape from the product or the gas line under any circumstances Install an external solenoid valve for example Do not set up the unit in a room that has a very dusty atmosphere or in a corrosive environment Do not set up the unit in rooms in which sprays solvents chlorin...

Page 12: ... front casing Refit the components in the reverse order 4 11 Installing removing the side casing A B C A Refit the components in the reverse order 4 12 Moving the electronics box into the lower or upper position Note Moving the electronics box into the lower or upper position makes it easier to access the unit s vari ous components A B B 1 1 Push the electronics box 1 upwards and pull it up to war...

Page 13: ...rt it to run on liquid gas You will need a conversion set for this The conversion procedure is described in the instructions supplied with the conversion set 5 1 1 Purging the liquid gas tank If the liquid gas tank is not purged properly this may result in ignition problems Ensure that the liquid gas tank has been purged properly before installing the product If required contact the filler or the ...

Page 14: ...heating flow 6 Install a stopcock on the gas pipe 7 Blow or flush the supply pipes thoroughly prior to install ation 2 3 4 5 1 1 Gas connection G3 4 2 Hot water connection G3 4 3 Heating return connec tion G3 4 4 Heating flow connec tion G3 4 5 Connection for the cold water supply line G3 4 8 Connect the water and gas connections in accordance with the applicable standards Loss of pressure between...

Page 15: ... clicks into position 5 5 3 Information and specifications for installing the B23P Applicability Germany Pipe lengths in the B23P installation Page 43 The flue gas system must at least correspond to the classi fication T 120 P1 W 1 in accordance with EN 1443 The maximum pipe length straight pipe only corresponds to the maximum permitted flue gas pipe length without any el bows If elbows are used t...

Page 16: ...panel 2 by pressing downwards on the electronics box 1 2 Ensure that all four clips 3 audibly click into the re tainer 3 Fold the electronics box upwards 5 6 2 Carrying out the wiring 24V eBUS 230V 24V eBUS 230V 2 1 1 Route of the cables on the electronics box 2 Route of the cables on the back panel of the product 1 Route the connection cables of the component to be connected through the grommet t...

Page 17: ...r the mains feed line which is routed through the cable duct into the product Observe all valid regulations 1 If you install the product in protective area 2 it must be operated as room sealed Installation method B53P is not permitted in this case 2 Open the electronics box 3 The mains connection cable selected must meet the requirements of the protective area 4 Carry out the wiring 5 Close the el...

Page 18: ...the end user level are described in the operating instructions An overview of the display and setting options of the installer level can be found in the section Overview of the menu structure Installer level Page 44 6 1 1 Calling up the installer level Caution Risk of material damage caused by incor rect handling Incorrect settings at installer level may cause damage and operating faults to the he...

Page 19: ...t design is compatible with the local gas group Proceed as described below 7 3 Filling the condensate siphon Danger Risk of poisoning due to escaping flue gas An empty or insufficiently filled condensate siphon may allow flue gas to escape into the room air Fill the condensate siphon with water be fore starting up the product 1 1 Remove the lower section of the siphon 1 by turning the bayonet fitt...

Page 20: ... unit menu The end user can view the telephone number The telephone number can be up to 16 digits long and must not contain any spaces 7 5 8 Ending the installation assistant Once the installation assistant has been completed and con firmed it will not start up automatically next time the unit is switched on 7 6 Restarting the installation assistants You can restart the installation assistant at a...

Page 21: ... fam ily check and enter the correct gas group Successful Combustion quality is good Unit configur ation matches the specified gas group None Result Meaning Measure Warning Combustion quality inad equate The CO value is incorrect Start check programme P 01 and adjust the CO value with the adjusting screw in the Venturi If the correct CO value cannot be set Check that the gas restrictor is correct ...

Page 22: ... 45 seconds on 5 seconds off Purging the heating circuit 3 port valve in the heating position heating pump controlled as specified above P 01 Maximum load check programme After successful ignition the product is operated at maximum heat input P 02 Minimum load check programme After successful ignition the product is operated at minimum heat input P 06 Filling mode check programme The 3 port valve ...

Page 23: ...use of the following additives When using additives follow the manufacturer s instruc tions without exception We accept no liability for the compatibility of any additive or its effectiveness in the rest of the heating system Additives for cleaning measures subsequent flushing required Adey MC3 Adey MC5 Fernox F3 Sentinel X 300 Sentinel X 400 Additives intended to remain permanently in the install...

Page 24: ...urn 1 water must escape without any air bubbles and the filling tap if the pressure is above 1 5 14 Close the filling draining cock and the cold water tap 15 Check all connections and the entire system for leaks 16 To purge the heating installation select the check pro gramme P 00 The unit does not switch on the internal pump runs intermittently and enables the circuit to be purged The display sho...

Page 25: ...olator cock 9 Remove the pressure gauge 10 Tighten the screw on the measuring nipple 1 11 Open the gas isolator cock 12 Check the measuring nipple for gas tightness Conditions Gas connection pressure not in the permissible range Caution Risk of material damage and operating faults caused by incorrect gas connec tion pressure If the gas connection pressure lies outside the permissible range this ca...

Page 26: ...Start up the product with the check programme P 01 2 Wait at least five minutes until the product reaches its operating temperature 3 Measure the CO content at the flue gas analysis point 1 4 If the measured values are not in the specified range you must not start up the product 5 If this is the case inform Vaillant Customer Service 6 Compare the measured value with the corresponding value in the ...

Page 27: ...ing rooms from being under sup plied If there is a heat demand the pump is switched on every 25 minutes for 5 minutes once the overrun time has elapsed 8 4 Setting the maximum flow temperature You can use diagnostics code D 071 to set the maximum flow temperature for heating mode default setting 75 C 8 5 Setting the return flow temperature control If the product is connected to an underfloor heati...

Page 28: ...ating hours you must set the maintenance interval again 8 8 Setting the pump output Applicability Germany The product is equipped with a speed regulated high effi ciency pump which adjusts independently to the hydraulic conditions of the heating installation If required you can manually set the pump output to five fixed selectable steps based on the maximum possible out put This switches the speed...

Page 29: ...h B Available pressure kPa Changes must be made during the installation for the proK lima or KfW label Setting for proKlima Remove the bypass and replace it with the plug that is supplied Set D 014 to 6 auto Δp limit If required adjust D 122 set to 200 mbar as standard The hydraulic pressure difference with respect to the heating system is limited to the set value see dia gram Note When starting u...

Page 30: ...tem itself is suitable for this type of pump operation The pump is only operated at this pump speed The hydraulic power of the pump for transferring the heat output is limited The pump is permanently set to a lower pump speed with a maximum feed head of 200 mbar Note If the heating system is not suitable for this type of pump operation this can lead to in sufficient supply to the product and to sa...

Page 31: ... pressure using the adjusting screw 1 Position of the adjusting screw Pres sure Notes application Right hand stop turned all the way down 35 kPa 0 35 bar If the radiators do not heat up sufficiently at the default setting In this case you must set the pump to the maximum speed Mid position 5 turns to the left 30 kPa 0 30 bar Default setting 5 further turns to the left from the mid position 17 kPa ...

Page 32: ...enance or repair work this may void the conformity of the product and it will therefore no longer comply with the applicable standards We strongly recommend that you use original spare parts from the manufacturer as this guarantees fault free and safe operation of the product To receive information about the available original spare parts contact the contact address provided on the reverse of thes...

Page 33: ...gnition electrode 9 Remove the plug 8 from the fan motor by pressing on the locking lug 10 Remove the plug 7 from the gas valve 11 Remove the plug 6 from the Venturi jet by pressing on the locking lug 12 Undo the four nuts 1 13 Pull the compact thermal module s assembly group 2 out of the heat exchanger 14 Check the burner and the heat exchanger for damage and dirt 15 If necessary clean or replace...

Page 34: ...hermal module 1 2 3 4 5 6 8 7 1 Attach the compact thermal module 5 to the heat ex changer 2 Tighten the four nuts 1 in a cross wise pattern until the burner door 2 sits tightly against the bearing surfaces Tightening torque 6 Nm 3 Reconnect the plugs 3 4 6 7 and 8 4 Connect the gas line with a new seal 5 Open the gas isolator cock 6 Make sure that there are no leaks 7 Check whether the air intake...

Page 35: ... the expansion ves sel replace the heating expansion vessel Page 41 5 Fill and purge the heating installation Page 24 9 12 Checking the magnesium protection anode Note The domestic hot water cylinder is equipped with a magnesium protection anode Its condition must be checked for the first time after two years and then every year To avoid having to maintain the magnesium protection anode an electri...

Page 36: ...message The maintenance symbol appears if you have set a mainten ance interval for example and it has elapsed The product is not in fault mode To obtain more information about the service message call up the Live Monitor Page 18 Conditions S 40 is displayed The product is in Comfort protection mode The product con tinues to run with restricted comfort after it has detected a fault To establish whe...

Page 37: ...w seals 10 10 Replacing defective components 10 10 1 Replacing the burner 1 Remove the compact thermal module Page 32 1 2 Undo the four screws on the burner 1 3 Remove the burner 4 Fit the new burner with a new seal 5 Ensure that the cut outs on the seal and burner are aligned with the sight glass on the burner door 6 Install the compact thermal module Page 34 10 10 2 Replacing the fan 1 3 2 8 4 7...

Page 38: ...the gas valve Note Some products are fitted with gas valves that do not have a gas pressure regulator Note Each destroyed seal must be restored 1 2 4 5 3 1 Remove the air intake pipe 2 Remove the plugs 3 from the gas valve 3 Remove the plug from the sensor on the Venturi 1 by pushing in the latching lug 4 Undo the two cap nuts 5 and 2 on the gas valve Hold on to the gas valve when loosening the ca...

Page 39: ...our coding and position of pins on the underside of the gas restrictor Caution Risk of material damage to the product Lubricant can block function related chan nels in the Venturi Do not use lubricant when installing the gas restrictor Insert the gas restrictor for the type of gas in question into the new Venturi yellow G20 natural gas grey G31 liquid gas Note Make sure that the colour of the gas ...

Page 40: ... inserting the gas restrictor ensure that the gas restrictor is correctly aligned using the indicated position marks on the upper side of the Venturi and also the posi tioning pins 5 on the underside of the gas restrictor 8 Reinstall the components in the reverse order Use new seals for this Applicability Except Belgium After installing the new Venturi jet check the type of gas and set the gas rat...

Page 41: ...play Caution Risk of material damage caused by incor rect repairs Using an incorrect replacement display may cause damage to the electronics Before replacing check that the correct replacement display is available Never use another replacement display Note If you are replacing only one component the set parameters are transferred automatically When the product is switched on the new component adop...

Page 42: ...Anrufen aus dem Mobilfunknetz ggf abweichende Tarife nähere Information erhalten Sie bei Ihrem Mobilnetzbetrei ber info vaillant at termin vaillant at www vaillant at www vaillant at werkskundendienst E Mail Kundendienst termin vaillant at Internet Kundendienst http www vaillant at werkskunden dienst Telefon 05 7050 2100 zum Regionaltarif österreichweit bei Anrufen aus dem Mobilfunknetz ggf abweic...

Page 43: ...pe only corresponds to the maximum permitted flue gas pipe length without any elbows If elbows are used the maximum pipe length must be reduced in accordance with the dynamic flow characteristics of the elbows Elbows must not be connected directly after one another as this method dramatically increases pressure losses VSC 146 4 5 VSC 206 4 5 VSC 266 4 5 Length in m diameter 80 mm 40 32 32 ...

Page 44: ...ig Language DHW temperature Back Select Target flow temp Appliance config Language DHW temperature Back Select Target flow temp Appliance config Language DHW temperature Back Select Appliance config Test programs Installer level Fault list Back Select Enter code 1 7 Back OK F 75 Fault Pump water shortage F 00 Interruption Flow sensor P 00 Pump is actuated Purging cyclically Back Select Gas type ch...

Page 45: ...026 Auxiliary relay Cirkulation pump Back D 027 Zubehörrelais 1 externe Pumpe Cancel OK D 027 Accessory relay 1 Cirkulation pump Back D 028 Zubehörrelais 2 externe Pumpe Cancel OK D 028 Accessory relay 2 Cirkulation pump Back D 000 Heating load 0 Cancel OK D 001 Pumpennachlauf Heizung 0 Back D 000 Heating load auto Back Contakt Phone number Back Cancel OK D 096 Cancel OK Reset to factory settings ...

Page 46: ...iency pump Target value of internal high efficiency pump in Pos sible settings 0 Auto 1 53 2 60 3 70 4 85 5 100 6 Auto DP limit proKlima 7 Fixed DP limit KfW 8 Auto pump boost 0 Auto D 015 Actual pump speed high efficiency pump Actual value for internal high efficiency pump in Not ad justable D 016 24 V DC room thermostat open closed Heating mode off on Not ad justable D 017 Heating flow return te...

Page 47: ...lve 0 Heating mode 1 Parallel operation 2 Domestic hot water mode Not ad justable D 040 Heating flow temperature Actual value in C Not ad justable D 041 Return temperature Actual value in C Not ad justable D 044 Digitised ionisation value Display field 0 to 1020 800 no flame 400 good flame Not ad justable D 050 Offset for minimum speed In rpm adjustment range 0 to 3000 Nominal value set in factory...

Page 48: ...Recognised not recognised Not ad justable D 091 Status of DCF with outdoor temper ature sensor connected No reception Reception Synchronised Valid Not ad justable D 093 Unit variant setting DSN Adjustment range 100 to 199 The three digit DSN code is located on the product s data plate D 094 Delete fault history Delete fault list 0 No 1 Yes D 095 Software version of PeBUS compon ents PCB BMU Displa...

Page 49: ...l and top up the vessel if necessary approx 0 3 bar below the system filling pressure X 9 Allow the pressure in the hot water circuit to fall Check the pre charge pressure of the expan sion vessel in the shift load cylinder if installed Correct the pressure if necessary X X 10 Check the extent to which the anode is corroded and replace it if necessary X 11 Remove the compact thermal module X 12 Ch...

Page 50: ... S 37 Fan speed deviation in operation too high S 39 The burner s stop contact e g safety thermostat for underfloor heating or condensate pump has been triggered S 40 Operation in comfort protection mode Unit in operation limited heating comfort For example underfloor heating con tact thermostat S 41 Water pressure 2 8 bar S 42 Feedback from the flue non return flap is blocking burner operation on...

Page 51: ...ed plug on X20 NTC defective short circuit in cable harness cable housing F 26 Fault Gas valve assembly without function Gas valve assembly stepper motor not connected multiple plug on the PCB not plugged in correctly interruption in cable harness gas valve assembly stepper motor defective electronics defective F 27 Safety shutdown Recording incorrect flames Moisture on the electronics electronics...

Page 52: ...or signalling constant value Flow temperature sensor incorrectly positioned on the flow pipe Flow temperature sensor defective F 72 Flow and or return temperature sensor fault Flow return NTC temperature difference too great flow and or return temperature sensor defective F 73 Water pressure sensor signal in the wrong range too low Interruption short circuit of water pressure sensor interruption s...

Page 53: ...mbustion quality outside the permitted range Incorrect gas injector recirculation incorrect gas group internal pressure measuring point in Venturi blocked do not use lubricant on the O ring in the Venturi Commu nication fault No communication with the PCB Communication fault between display and PCB in the electronics box ...

Page 54: ...X1 X31 X12 X41 X41 18 17 8 7 10 4 OT OT DCF RF AF FB X100 X18 L N L N X16 X13 L N X35 X90 2 1 2 1 2 1 4 3 2 1 M 5 5 2 3 4 1 6 3 1 1 2 1 2 4 1 3 2 1 1 2 3 1 2 M 4 1 6 3 M 5 4 2 1 X100 N L 24V 230V 24V 230V 2 3 9 10 11 12 13 14 15 17 19 18 16 1 4 6 7 5 8 1 Main PCB 2 Interface PCB 3 Coding resistor for the gas group 4 Coding resistor output range 5 Pre fitted plug for safety temperature limiters 6 T...

Page 55: ...data Applicability Germany Austria Technical data Heating VCC_206 4 5_150 VCC_266 4 5_150 Maximum heating flow temperature 80 80 Max flow temperature ad justment range default setting 75 C 30 80 30 80 Maximum permissible pressure 0 3 MPa 0 3 MPa Nominal water flow ΔT 20 K 861 l h 1 077 l h Nominal water flow ΔT 30 K 574 l h 718 l h Approximate value for the condensate volume pH value between 3 5 a...

Page 56: ...t heating Q 20 4 kW 25 5 kW Minimum heat input heat ing Q 5 3 kW 6 4 kW Maximum heat input hot water Q 24 5 kW 30 6 kW Minimum heat input hot water Q 5 3 kW 6 4 kW Technical data Domestic hot water VCC_206 4 5_150 VCC_266 4 5_150 Specific flow rate D ΔT 30 K in accordance with EN 13203 24 7 l min 26 2 l min Output characteristic fig ure in accordance with the standard DIN 4708 NL 2 4 2 7 Continuou...

Page 57: ... 9 103 Nominal efficiency at 50 30 C 105 4 106 5 Efficiency in partial load operation 30 at 40 30 C 108 108 NOx class 5 5 Boiler dimension width 599 mm 599 mm Boiler dimension depth 693 mm 693 mm Boiler dimension height 1 640 mm 1 640 mm Net weight 140 kg 142 kg Weight when filled with water 286 kg 288 kg Technical data Electrics VCC_206 4 5_150 VCC_266 4 5_150 Electric connection 230 V 50 Hz 230 ...

Page 58: ...W 5 5 kW 6 2 kW Technical data Power loading G25 VCC_206 4 5_150 VCC_266 4 5_150 VCC_306 4 5_150 Effective output range P at 50 30 C 4 1 17 8 kW 5 22 7 kW 5 5 27 2 kW Effective output range P at 80 60 C 3 2 16 5 kW 4 4 20 9 kW 4 9 25 1 kW Hot water heat output range P 3 2 19 9 kW 4 4 25 0 kW 4 9 28 2 kW Maximum heat input heating Q 16 8 kW 21 3 kW 25 6 kW Minimum heat input heat ing Q 3 8 kW 4 7 k...

Page 59: ...m Gas supply pressure G20 2 kPa 2 kPa 2 kPa Gas supply pressure G25 2 5 kPa 2 5 kPa 2 5 kPa Gas flow at P max hot water G20 2 59 m h 3 24 m h 3 67 m h Gas flow at P max hot water G25 2 50 m h 3 24 m h 3 54 m h CE number PIN 1312CO5870 1312CO5871 1312CO5872 Smoke mass flow in heat ing mode at P min 1 8 g s 2 5 g s 2 9 g s Smoke mass flow in heat ing mode at P max 9 2 g s 11 5 g s 13 8 g s Smoke mas...

Page 60: ...s VCC_206 4 5_150 VCC_266 4 5_150 VCC_306 4 5_150 Electric connection 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz Built in fuse slow blow T4A 250 T4A 250 T4A 250 Max electrical power con sumption 105 W 105 W 105 W Standby electrical power consumption 2 1 W 2 1 W 2 1 W Level of protection IP X4 D IP X4 D IP X4 D ...

Page 61: ...Appendix 0020181421_04 ecoCOMPACT Installation and maintenance instructions 61 ...

Page 62: ...x 62 Installation and maintenance instructions ecoCOMPACT 0020181421_04 K Declaration of conformity A R 08 01 2004 BE Applicability Belgium K 1 Declaration of conformity A R 08 01 2004 BE Applicability Belgium ...

Page 63: ...ng 34 Filling 19 Controller 17 Corrosion 6 Corrugated gas pipe 6 D Data plate 7 Decommissioning 42 Diagnostics Carrying out 37 Diagnostics codes 45 Calling up 27 Display Replacing 41 Disposal packaging 42 Disposing of the packaging 42 Documents 7 Domestic hot water temperature Setting 20 E Electricity 4 Electronics self test Carrying out 32 F Fan Replacing 37 Fault codes 51 Reading 36 Fault list D...

Page 64: ...run Setting 27 Purging Heating installation 24 Q Qualification 4 R Reading Fault codes 36 Regulations 6 Remaining feed head pump 28 Removing Compact thermal module 32 Repair Completing 42 Preparing 37 Replacing Burner 37 Display 41 Fan 37 Gas valve 38 Heat exchanger 40 PCB 41 Venturi 39 Resetting All parameters 37 Return flow temperature control Setting 27 S Safety device 5 Scale 31 Schematic draw...

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Page 68: ...kundendienst N V Vaillant S A Golden Hopestraat 15 B 1620 Drogenbos Tel 2 3349300 Fax 2 3349319 Kundendienst Service après vente Klantendienst 2 3349352 info vaillant be www vaillant be Vaillant Deutschland GmbH Co KG Berghauser Str 40 D 42859 Remscheid Telefon 02191 18 0 Telefax 02191 18 2810 Auftragsannahme Vaillant Kundendienst 02191 5767901 info vaillant de www vaillant de These instructions o...

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