Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions Manual
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Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions Manual

Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions Manual

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VU../VUW..
en Installation and maintenance instructions

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  • Page 1 ecoTEC plus VU../VUW.. en Installation and maintenance instructions...

  • Page 2: Table Of Contents

    Installation and maintenance Guaranteeing the permissible system pressure............... 20 instructions Filling the heating installation ......21 Purging the heating installation ......21 Contents Filling and purging the domestic hot water system ..............21 Safety ..............4 Filling the condensate siphon ......22 Intended use ............
  • Page 3 Inspection and maintenance work ....71 Technical data............ 72 Index ................... 76 0020328022_02 Installation and maintenance instructions...

  • Page 4: Safety

    – Any use other than those described in Safety these instructions and any use that goes Intended use beyond what is described here The product is intended as a heat generator Qualification for sealed heating installations and for do- mestic hot water generation. The person carrying out the work described here must have completed professional train- Improper use of any kind is prohibited.
  • Page 5 ▶ Do not use naked flames (e.g. lighters, ▶ Only operate the product if the air/flue pipe matches). has been completely installed. ▶ Do not smoke. ▶ With the exception of short periods for testing purposes, only operate the product ▶...

  • Page 6: Regulations (Directives, Laws, Standards)

    1.3.5 Air/flue pipe 1.3.10 Heating water The heat generators are system-certified Both unsuitable heating water and air in the together with the original air/flue pipes. heating water may cause material damage to the product and in the heat generator circuit. ▶...

  • Page 7: Notes On The Documentation

    Notes on the documentation Product description ▶ Always observe all the operating and installation instruc- Sitherm Pro™ technology tions included with the system components. The intelligent combustion regulation is based on the adapt- ▶ Pass these instructions and all other applicable docu- ive Siemens Sitherm Pro™...

  • Page 8: Product Design

    Product design Validity: VUW 36CS/1-5 (N-INT3) Validity: VU 15CS/1-5 (N-INT3) OR VU 25CS/1-5 (N-INT3) OR VU 30CS/1- 5 (N-INT3) Connection for the Compact thermal air/flue pipe module Flue gas analysis point Control electrode Connection for the Compact thermal Expansion vessel Heat exchanger air/flue pipe module...

  • Page 9: Design Of The Product's Hydraulic Block

    Design of the product's hydraulic block Serial number The serial numbers are located on the underside of the front Validity: VU 15CS/1-5 (N-INT3) OR VU 25CS/1-5 (N-INT3) OR VU 30CS/1- panel and on the data plate. 5 (N-INT3) Data plate At the factory, the data plate is mounted on the upper side the unit and on the rear of the electronics box.

  • Page 10: Ce Marking

    Set-up Information Meaning Kat. Gas boiler category Checking the scope of delivery Type Unit types ▶ Check that the scope of delivery is complete and intact. Permissible operating pressure, heating mode Quantity Designation Maximum output power Condensing boiler (For boiler only) Unit mounting bracket Permissible operating pressure for do- Bag with drain pipe and screwed connection...

  • Page 11: Product Dimensions

    Product dimensions Validity: Product with integrated hot water generation Using the mounting template Use the mounting template to set the positions of the drill holes, wall penetrations and to read all of the re- quired clearances. When installing the boiler at the same time with a do- mestic hot water cylinder (VIH Q 75/2 B or VIH QL 75/2 B) and a spacer frame, use the mounting template for the spacer frame.

  • Page 12: Installation

    Installation Prerequisites 5.1.1 Using the correct gas type Danger! Using the incorrect gas type may cause fault shutdowns in Risk of scalding and/or risk of material the product. Ignition and combustion noise may occur in the damage due to incorrect installation lead- product.

  • Page 13: Installing Pipes For Gas And The Heating Flow/Return

    Installing pipes for gas and the heating flow/return Install the gas pipe on the gas connection such that it is free from mechanical stress. Purge the gas pipe before starting up. Install the pipe for the heating flow and the heating return in accordance with the relevant standards.

  • Page 14: Installing The Drain Pipe On The Expansion Relief Valve

    Air/flue system 5.7.1 Installing and connecting the air/flue pipe You can find out which air/flue pipes may be used for the system-certified air/flue pipework by consulting the enclosed set-up instructions for the air/flue system. Condition: Installation in damp rooms ▶ You must connect the product to a room-sealed air/flue system.

  • Page 15: Electrical Installation

    Turn the connector clockwise until it clicks into position. 24V / eBus Electrical installation Only qualified electricians may carry out the electrical install- ation. The product must be earthed. Danger! Risk of death from electric shock! The power supply terminals L and N remain live even if the unit main switch is switched 230V off:...
  • Page 16 ▶ 5.8.4 Opening the electronics box Exceptions: For wall breaks and in the electronics box, it is acceptable to not reach the minimum clearance. 5.8.3 Removing the front casing 2×1 4×1 Ensure that you do not load the electronics box. 5.8.5 Establishing the power supply 5.8.5.1 Connecting the product with mains plug...
  • Page 17 5.8.7 Connecting the domestic hot water cylinder For the cable for the house installation, use a flexible three-core cable that complies with the relevant stand- ards, which is routed through the grommet into the Validity: Product without integrated hot water generation product.

  • Page 18: Operation

    5.8.12 Closing the electronics box Calling up/setting diagnostics codes Call up the installer level. (→ Section 6.2) Navigate to the Diagnostics codes menu item. Use the scrollbar to select the required diagnostics code. 2×1 Confirm by pressing Use the scrollbar to select the required value for the diagnostics code.

  • Page 19: Calling Up The Data Overview

    6.5.1 Exiting the actuator test Start-up ▶ Checking and treating the heating Press ◁ water/filling and supplementary water The basic display is shown. Caution. Calling up the data overview Risk of material damage due to poor-qual- Call up the installer level. (→ Section 6.2) ity heating water Navigate to the Data overview menu item.

  • Page 20: Switching On The Product

    Switching on the product Total Water hardness at specific system volume heating ▶ Press the unit main switch on the underside of the > 20 l/kW output ≤ 20 l/kW > 40 l/kW ≤ 40 l/kW product. ◁ The display shows the basic display. mol/ mol/ °dH...

  • Page 21: Filling The Heating Installation

    ▶ Filling the heating installation Close the filling device (1), the filling/draining cock, for the heating installation. ▶ Validity: Product with connected domestic hot water cylinder Check all of the connections and the entire heating ▶ system for leaks. Flush the heating installation before filling it. ▶...

  • Page 22: Filling The Condensate Siphon

    Filling the condensate siphon Loosen the lower section of the siphon (3) from the upper section of the siphon (1). Remove the float (2). Undo the check screw (1). – Fill the lower section with water up to a filling level 10 Turning anti-clockwise: 2 mm below the condensate discharge pipe (4).
  • Page 23 Result 2: 7.10.3 Installing the front casing Gas connection pressure/gas flow pressure not in the permissible range Caution. Risk of material damage and oper- ating faults caused by incorrect gas connection pressure/gas flow pres- sure. If the gas connection pressure/gas flow pressure lies outside the permissible range, this can cause operating faults in and damage to the product.

  • Page 24: Checking The Heating Mode

    Validity: VU 15CS/1-5 (N-INT3) OR VU 25CS/1-5 (N-INT3) Validity: VU 30CS/1-5 (N-INT3) OR VUW 36CS/1-5 (N-INT3) 40 B 8 10 12 14 20 22 24 26 28 30 CO₂ content [vol%] Heat input [kW] O₂ content [vol%] Heat input [kW] Max.

  • Page 25: Checking The Domestic Hot Water Generation

    – Domestic hot water temperature: ≤ 50 ℃ 7.13 Checking the domestic hot water generation Make sure that there is a domestic hot water demand. Validity: Product with connected domestic hot water cylinder ▶ Navigate to MENU → SETTINGS → Installer level → Data overview.

  • Page 26: Adapting The Unit To The Installation

    8.3.1.2 Setting the maximum heat input Length (A) [m] + correspond- Setting ing length for the diversion ¹) The maximum heat input can be adjusted to the installation's No adjustment required – the < 5 determined output requirement via D.000. standard value is applied.
  • Page 27 8.3.3 Setting the flow temperature/desired Set maximum burner anti-cycling time temperature [min] Flow (target) [°C] You can use the system control to set the desired temperat- ure (→ Operating and installation instructions for the system control). Exit the diagnostics codes. (→ Section 6.3.1) If no system control is connected, the target flow temper- Exit the installer level.

  • Page 28: Adapting The Domestic Hot Water Settings

    8.3.9 Setting the heat curve Condition: Bypass valve installed Set the pressure level via D.171. (→ Section 6.3) Condition: The required heat supply does not occur ▶ If D.171 is set to 400 mbar and the heat supply is still not sufficient, readjust the pressure via the bypass valve.

  • Page 29: Handing Over To The End User

    10.1 Using original seals Condition: System control connected ▶ If you replace components, use only the enclosed new ori- Check the domestic hot water generation. ginal seals; additional sealing materials are not required. (→ Section 7.13) 10.2 Maintenance interval 8.4.2 Setting solar post-heating A service interval can be defined in two ways.

  • Page 30: Removing/Installing The Compact Thermal Module

    10.4 Removing/installing the compact thermal module Burner flange Gas valve assembly Premix burner Ignition transformer Control electrode Ignition electrode Speed-regulated fan Unscrew the air intake pipe (1) from the upper retainer and remove the air intake pipe from the intake stub, as Note shown in the figure.
  • Page 31 Result: Heat exchanger dirty ▶ Clean the heat exchanger. (→ Section 10.5.2) Check the insulating mat on the heat exchanger for damage. Result: Insulating mat damaged ▶ Replace the insulating mat (→ Spare parts instruc- tions for the heat exchanger insulating mat). 10.4.2 Installing the compact thermal module Reconnect the plug or, if required, the two plugs to the fan motor (2).

  • Page 32: Cleaning/Checking The Components

    10.5 Cleaning/checking the components 10.5.3 Checking the burner and burner insulating mat for damage Carry out the preparatory work before cleaning/checking any of the components. (→ Section 10.5.1) Carry out the work required to finish the task after cleaning/checking any of the components. (→...

  • Page 33: Draining The Product

    10.5.5 Cleaning the condensate siphon 10.5.7 Completing cleaning and inspection work Disconnect the condensate discharge hose from the Install the compact thermal module. (→ Section 10.4.2) lower section of the siphon. Hinge the electronics box upwards. Remove the lower section of the siphon. Open all service valves and the gas stopcock if this has Remove the float.

  • Page 34: 11 Troubleshooting

    11 Troubleshooting 11.4 Limp home mode messages The limp home mode message are divided into reversible 11.1 Checking the data overview and irreversible messages. The reversible L.XXX codes eliminate themselves and the irreversible N.XXX codes re- Navigate to MENU → SETTINGS → Installer level → quire action.

  • Page 35: Replacing Defective Components

    11.7 Replacing defective components Carry out the preparatory work before undertaking any repair work. (→ Section 11.7.2) Carry out the work required to finish the task before undertaking any repair work. (→ Section 11.7.15) 2×1 11.7.1 Procuring spare parts The original components of the product were also certified by the manufacturer as part of the declaration of conformity.
  • Page 36 11.7.3 Replacing the pump head Unscrew the two screws (5) between the burner flange (6) and the fan. Remove the burner flange. Fit the new burner (3) with a new burner seal (2) to the new burner flange. Pull out the plugs (4) and (6) from the pump head. Tighten the three screws (4).
  • Page 37 11.7.6 Replacing the gas valve assembly Removing the gas valve assembly xxxxxx xxxxxxxxxx xxxxxx xxxxxxxx xxxxxx xxxxxxxxxx xxxxxx xxxxxxxx xxxxx Remove the plug or, if required, the two plugs from the fan motor. Unscrew the air intake pipe from the upper retainer, tilt the air intake pipe forwards, and remove the air intake pipe from the intake stub.
  • Page 38 – Tightening torque: 40 Nm Alternatives 2: 60° ▶ Screw the union nut onto the gas valve assembly with a new seal. In the process, secure the gas pipe against twisting. 1× – Tightening torque: 15 Nm + 60° Plug in both of the gas valve assembly's plugs. Check the gas valve assembly and the connections for Remove the condensate discharge hose (4) from the tightness.
  • Page 39 Insert the new expansion vessel into the product. Open the electronics box. (→ Section 5.8.4) Screw in the nuts below the expansion vessel tightly. Replace the PCB in accordance with the set-up and Use a new seal for this. installation instructions supplied. Use the screw to secure the support plate.
  • Page 40 Set the correct value (via D.093) for the relevant Remove the sealing residue from the burner flange. product type. (→ Section 6.3) Insert the new ignition electrode with a new seal (2). ◁ The electronics are now set to the product type and the parameters of all diagnostics codes are set to Note factory settings.
  • Page 41 11.7.15 Completing repair work Note Only touch the control electrode at the ceramic section. Cleaning the control electrode is prohibited. Use two new screws to screw the control electrode in tightly. – Tightening torque: 3 Nm Reconnect the plug for the control electrode's ignition line.

  • Page 42: 12 Decommissioning

    Dispose of the packaging correctly. ▶ Observe all relevant regulations. 14 Customer service For contact details for our customer service department, you can write to the address that is provided on the back page, or you can visit www.vaillant.com. Installation and maintenance instructions 0020328022_02...

  • Page 43: Appendix

    Appendix Installer level Note Since the code table is used for various products, some codes or some steps may not be visible in the installation assistant. Setting level Values Factory Unit Increment, select, explanation setting Min. Max. Enter access code 1 (competent person code 17) Data overview Current value...
  • Page 44 Setting level Values Factory Unit Increment, select, explanation setting Min. Max. → Air/flue pipe type 0: Single-flue configuration 1: Multiple-flue configuration (only in conjunc- tion with the conversion set comprising the air in- take pipe with integrated non-return valve and air- mass flow sensor, →...

  • Page 45: B Diagnostics Codes

    Setting level Values Factory Unit Increment, select, explanation setting Min. Max. → DHW Circ. pump: Off, On Anti-legio. day: Off, Daily, Day of the week Anti-legio. time: → Screed drying profiles ℃ Display and set the target flow temperature for Day 1 to 29.
  • Page 46 Diagnostics code Values Setting Unit Increment, select, explanation Min. Max. Factory Current D.015 Current value Actual pump speed D.016 Current value Off, On Room thermostat status (24V) D.017 Flow temperature control Flow tem- perature Heating control type Return temp. control (If you have control activated the return temperature con- trol, the automatic heat output de-...
  • Page 47 Diagnostics code Values Setting Unit Increment, select, explanation Min. Max. Factory Current ℃ D.047 Current value Only in conjunction with an outdoor temperature sensor. Outdoor temperature D.052 Valid for the first 3 digits of the 3- or Product- 5-digit offset. The offset is specified dependent Offset: Gas valve stepper motor on the rear or underside of the gas...
  • Page 48 Diagnostics code Values Setting Unit Increment, select, explanation Min. Max. Factory Current D.072 Internal pump Pump overrun after cylinder charging K D.073 Offset: Target warm start value D.074 Off, On Anti-legionella function with integrated cylinder D.075 Maximum duration of the cylinder charging D.077 Output-...
  • Page 49 Diagnostics code Values Setting Unit Increment, select, explanation Min. Max. Factory Current ℃ D.129 Current value Minimum domestic hot water target value D.145 Current value Diagnostics code for deactivating the check of the flue gas blockage. Deactivate detection: Air/flue pipe blocked Only use this diagnostics code if the product displays fault code F.035...
  • Page 50 Diagnostics code Values Setting Unit Increment, select, explanation Min. Max. Factory Current D.166 1: Check the flow temperature sensor ADC fault index 2: Check the return temperature sensor 5: Check the heat cell coding resistor 6: Check the control electrode 7–8: Check the ignition electrode 9: Check the DHW inlet temperature sensor...

  • Page 51: C Status Codes

    Status codes Note Since the code table is used for various products, some codes may not be visible for the product in question. Code Meaning S.000 There is no demand for heating mode. S.001 Heating mode is active and the fan is in prerun mode. S.002 Heating mode is active and the heating pump is in prerun mode.

  • Page 52: D Fault Codes

    Code Meaning S.092 The self-test for the circulation water volume is active. S.093 A flue gas analysis is not currently possible. S.096 The self-test for the return temperature sensor is active. The heat demands are blocked. S.097 The self-test for the water pressure sensor is active. The heat demands are blocked. S.098 The self-test for the flow and return temperature sensor is active.
  • Page 53 Code/meaning Possible cause Measure ▶ F.013 Fault in the electrical connection Check and, if required, replace the wiring harness between the for the cylinder temperature PCB and sensor, including all plug connections. The cylinder temperature sensor sensor has short-circuited. ▶ Cylinder temperature sensor Check and, if required, replace the cylinder temperature defective...
  • Page 54 Code/meaning Possible cause Measure ▶ F.024 Fault in the electrical connec- Check and, if required, replace the wiring harness between the tion for the return temperature PCB and sensor, including all plug connections. The temperature increases too sensor quickly. ▶ Flow temperature sensor de- Check and, if required, replace the flow temperature sensor.
  • Page 55 Code/meaning Possible cause Measure ▶ F.028 Fault in the flue gas route Check the entire flue gas route. caused by recirculation or flue The flame signal was not detec- gas blockage ted during the ignition phase. ▶ Ignition transformer not connec- Check the plug and the plug connection.
  • Page 56 Code/meaning Possible cause Measure ▶ F.035 Condensate pump (if fitted) Check and clean the condensate pump. Replace the condens- defective ate pump, if required. The air/flue pipe is blocked. ▶ Insufficient combustion air sup- Check the combustion air supply. ▶ Control electrode defective Check and, if required, replace the control electrode.
  • Page 57 Code/meaning Possible cause Measure ▶ F.044 Interruption in the wiring har- Check the wiring harness including all plug connections and, if ness required, replace it. The ionisation signal for the ▶ control electrode is too low. The Burner defective Check and, if required, replace the burner. drift adaptation has failed.
  • Page 58 Code/meaning Possible cause Measure ▶ F.064 Sensor defective Check the sensor displayed under D.166. ▶ The sensor signal could not be PCB defective If the displayed value for D.166 is > 20 and is not listed, re- converted correctly. place the PCB. ▶...
  • Page 59 Code/meaning Possible cause Measure F.078 Fault in the electrical connection For products without integrated domestic hot water genera- for the domestic hot water con- tion: Check whether the bridge on plug X2 betwen contacts The control centre is not sup- nection temperature sensor 2 and 5 is plugged in and is without interruption.
  • Page 60 Code/meaning Possible cause Measure ▶ F.090 Interruption in the wiring har- Check the wiring harness including all plug connections and, if ness required, replace it. Communication with the internal ▶ cylinder has been interrupted. Plug on PCB loose/not plugged Check the plug and the plug connection. ▶...
  • Page 61 Code/meaning Possible cause Measure F.096 Air-mass flow sensor dirty or Check the air-mass flow sensor for dirt. defective (only in conjunction The gas valve stepper motor If required, replace the entire air intake pipe. with the conversion set compris- has reached the maximum per- ing the air intake pipe with in- missible step number.
  • Page 62 Code/meaning Possible cause Measure ▶ F.326 3-port diverter valve defective or Check and, if required, replace the 3-port diverter valve. blocked The hydraulic sensor and actu- ▶ ator test has detected at least Plug on 3-port motorised valve Check the plug and the plug connection on the 3-port motor- two hydraulic components that loose/not plugged in ised valve.

  • Page 63: E Check Programmes

    Code/meaning Possible cause Measure F.347 Condensate in the combustion Check and, if required, clean the condensate discharge pipe chamber due to a blocked con- including the siphon. Condensate has been detected densate discharge in the combustion chamber. The Check the combustion chamber (electrodes, insulating mats, burner operation is interrupted.

  • Page 64: G Maintenance Codes

    Maintenance codes Note Since the code table is used for various products, some codes may not be visible for the product in question. Code/meaning Possible cause Measure I.003 Maintenance interval elapsed Carry out maintenance work. The product's maintenance time Reset the service interval. has been reached.
  • Page 65 Code/meaning Possible cause Measure ▶ N.027 Temperature sensor defective Check and, if required, replace the temperature sensor. The signal for the temperature Short circuit in the connection Check whether the outlet temperature displayed under sensor on the domestic hot wa- cable D.003 is 116 °C.
  • Page 66 Code/meaning Possible cause Measure N.096 Air-mass flow sensor dirty or Check the air-mass flow sensor for dirt. defective (only in conjunction The gas valve stepper motor If required, replace the entire air intake pipe. with the conversion set compris- has reached the maximum per- ing the air intake pipe with in- missible step number.

  • Page 67: J Wiring Diagram

    Code/meaning Possible cause Measure ▶ N.270 Flow rate quantity set incor- Set the flow rate quantity on the cold water adjusting valve. rectly on the cold water adjust- The temperature spread via ing valve (only on a product the secondary heat exchanger with no factory-installed flow (heating flow –...
  • Page 68 Validity: VU 15CS/1-5 (N-INT3) OR VU 25CS/1-5 (N-INT3) OR VU 30CS/1-5 (N-INT3) +24V Burner X100 24V= X100 X12a X12b X12a 230V~ Printed circuit board Control panel PCB Gas valve assembly for main gas valve Gas valve assembly Return temperature sensor Installation and maintenance instructions 0020328022_02...
  • Page 69 Flow temperature sensor Ignition electrode Surface-mounted thermostat/Burner off Control electrode 24 V DC room thermostat Outdoor temperature sensor, flow temperature sensor (optional, external), DCF receiver Bus connection (system control/digital room thermo- Circulation pump remote control stat) Water pressure sensor Control module Prioritising diverter valve Communication unit Cylinder temperature sensor (optional)
  • Page 70 Validity: VUW 36CS/1-5 (N-INT3) +24V Burner X100 24V= X100 X12a X12b X12a 230V~ Printed circuit board Control panel PCB Gas valve assembly for main gas valve Gas valve assembly Return temperature sensor Installation and maintenance instructions 0020328022_02...
  • Page 71 Flow temperature sensor Ignition electrode Surface-mounted thermostat/Burner off Control electrode 24 V DC room thermostat Outdoor temperature sensor, flow temperature sensor (optional, external), DCF receiver Bus connection (system control/digital room thermo- Circulation pump remote control stat) Water pressure sensor Control module Prioritising diverter valve Communication unit Impeller water flow sensor...
  • Page 72 Maintenance work Interval Cleaning the heat exchanger If required, at least every 2 years Checking that the flue non-return flap in the air intake pipe is working Every 2 years (opening/closing) (type: Multiple-flue configuration in excess pressure mode or cascades) (→ Instructions for the conversion set) Replacing the air intake pipe with integrated non-return valve (type: Mul- At the latest after 15 years, tiple-flue configuration in excess pressure mode or cascades) (→...
  • Page 73 VUW 36 Expansion relief valve connection 15 mm Condensate discharge hose connection 19 mm Air/flue pipe connection 60/100 mm 35 ℃ Min. flue gas temperature 85 ℃ Max. flue gas temperature – Approved unit types BG, MD, NZ, PT: B23, B33, B53, B53P, C13, C33, C43, C53, C83, –...
  • Page 74 VUW 36 Min. flue gas mass flow rate 1.72 g/s (6.19 kg/h) Max. flue gas mass flow rate 18.36 g/s (66.10 kg/h) Max. DHW heat output 35.6 kW DHW nominal heat input 36.7 kW Nominal heat input range for heating 3.7 to 30.6 kW Heating adjustment range 3.7 to 30.6 kW...
  • Page 75 Technical data – Heating VU 15 VU 25 VU 30 85 ℃ 85 ℃ 85 ℃ Max. flow temperature 30 to 80 ℃ 30 to 80 ℃ 30 to 80 ℃ Flow temperature adjustment range (factory setting: 75 °C) Max. operating pressure, heating 0.3 MPa 0.3 MPa 0.3 MPa...
  • Page 76 Index Exiting the menu level ............19 Expansion relief valve ............14 Expansion vessel ..............32 Actuator test ............20, 29, 63 Calling up............... 18 Fault codes..............34, 52 Exiting ................19 Fault history................. 34 Additional components ............17 Fault messages ..............34 Air/flue pipe ...............
  • Page 77 Replacing the fan ..............36 Replacing the internal expansion vessel ......38 Replacing the PCB .............. 39 Scale deposition ..............24 Serial number ................ 9 Service messages ............... 34 Setting parameters .............. 26 Setting the bypass valve ............. 28 Setting the desired temperature .......... 27 Setting the domestic hot water temperature......
  • Page 80 Supplier Vaillant Group International GmbH Berghauser Strasse 40 D-42859 Remscheid Tel. +49 2191 18 0 www.vaillant.com 0020328022_02 Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +49 2191 18 0 Fax +49 2191 18 2810 info@vaillant.de www.vaillant.de © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent.

This manual is also suitable for:

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