Vaillant THERMOcompac SERIES Instructions For Installation And Servicing

Summary of THERMOcompac SERIES

  • Page 1

    Instructions for installation and servicing turbomax plus 824/2 e, 828/2 e wall hung room sealed fan assisted combination boilers thermocompact 615/2 e, 620/2 e, 624/2 e, 628/2 e wall hung room sealed fan assisted system boilers the code of practice for the installation, commissioning & servicing of...

  • Page 2: Table Of Contents

    2 table of contents introduction boiler specification general requirements boiler installation sequence general information . . . . . . . . . . . . . . . . . . . . . . . . . .6 general notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 ec designation . . . . . . . . . . . . . . . ....

  • Page 3: Table Of Contents

    3 table of contents gas supply adjustments (commissioning part ii) servicing fault finding introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 logical fault finding procedure . . . . . . . . . . . ....

  • Page 4: List of Contents

    4 list of contents contents included with boiler (turbomax plus) ensure that all contents are included before commencing installation. Do not remove the boiler from the polystrene base at this stage. Turbomax plus 4 bedienungsanleitung bedienungsanleitung bedienungsanleitung bedienungsanleitung 10 1...

  • Page 5: List of Contents

    5 list of contents contents included with boiler (thermocompact) ensure that all contents are included before commencing installation. Bedienungsanleitung bedienungsanleitung bedienungsanleitung bedienungsanleitung 9 10 10 10 bedienungsanleitung instructions for installation 8 11 7 1 6 5 2 vrc-v c c...

  • Page 6: Introduction

    6 introduction thermocompact boiler the thermocompact is a fully automatic, wall mounted, room sealed system boiler for central heating and domestic hot water (where a separate indirect hot water storage cylinder is also incorporated in the system). The thermocompact range consists of models with ou...

  • Page 7: Boiler Specification

    7 boiler specification technical data thermocompact 615/2 e (vu gb 152/2-5) units ch heat output range (80/60 °c) 6.5 - 15 (22300 - 51200) kw (btu/h) dhw heat output --- kw dhw flow rate ∆ t = 35 °c rise --- l/min dhw flow rate at factory set temperature rise ( ∆ t 42 °c) --- l/min mains water press...

  • Page 8: Boiler Specification

    8 boiler specification key: 1 heating system return (22 mm tail) 2 cold water connection with shut off valve (15 mm tail) 3 gas connection (15 mm tail) 4 hot water connection (15 mm tail) 5 heating system flow (22 mm tail) 6 flue outlet (100 mm flue with turret) 7 hanging bracket 8 rear flue outlet ...

  • Page 9: Boiler Specification

    Boiler specification 9 functional diagram (turbomax plus) u c c i 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 air duct 2 fan 3 main heat exchanger 4 temperature sensor (ntc i) 5 flame sensing electrodes 6 modulating burner 7 fully modulating automatic gas va...

  • Page 10: Boiler Specification

    10 boiler specification functional diagram (thermocompact) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 air duct 2 fan 3 main heat exchanger 4 temperature sensor (ntc i) 5 flame sensing electrodes 6 modulating burner 7 fully modulating automatic gas value 8 this control has no...

  • Page 11: General Requirements

    11 general requirements ensure that all regulations are observed. Fig. R.1 euro b/s 006/0_gb related documents the installation of the boiler must be in accordance with the relevant requirements of gas safety (installation and use) regulations 1998, health and safety document no. 635 (the electricit...

  • Page 12: General Requirements

    12 general requirements gas supply the gas supplier should ensure the availability of an adequate supply of gas. A gas meter may only be connected to the service pipe by the supplier of gas or their contractor. An existing meter should be checked to ensure that it is capable of passing the rate of g...

  • Page 13: General Requirements

    13 general requirements top outlet flue system (100 mm outside diameter) the top outlet horizontal flue system (art. No. 303 807) is suitable for installations up to 720 mm measured from the centre of the boiler flue outlet to the outside face of the wall. Flue extensions are available to extend thi...

  • Page 14: General Requirements

    14 general requirements a bcd a g h, i f j b f m l l k k g g f f e a a flue termination the following details refer to both flue systems. A. The terminal must be positioned such that the products of combustion can disperse freely at all times. B. In certain weather conditions a plume of water vapour...

  • Page 15: General Requirements

    15 general requirements cupboard or compartment ventilation the boilers are very high efficiency appliances. As a consequence the heat loss from the appliance casing during operation is very low. For cupboard or compartment installations it is therefore not necessary to provide any high or low level...

  • Page 16: General Requirements

    16 general requirements guide to system requirements water circulation system detailed recommendations for the water circulation system are given in bs 6798 and bs 5449: part 1 (for small bore and micro bore central heating systems). Pipework not forming part of the useful heating surface should be ...

  • Page 17: General Requirements

    17 general requirements expansion vessel the 15 and 20 kw thermocompact boilers as well as the 24 kw turbomax plus boiler incorporate a 6 litre expansion vessel which is suit- able for a sealed heating system with a maximum water content of 60 litres. A 10 litre expansion vessel kit is available as ...

  • Page 18: General Requirements

    18 general requirements 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 50 100 150 200 250 300 350 400 450 500 550 600 650 700 volume flow [l/min] lift [mbar] pump switch in position ii (pre-delivery setting) pump switch in position i fig. R.7: pump specifications euro b/s_vc_010/0gb ...

  • Page 19: Boiler Installation Sequence

    Boiler installation sequence 19 general preparation of boiler location clearances required mount the boiler on a flat and vertical area of wall of sufficient area for the boiler plus the required clearances for installation and servicing. The clearances are as detailed below and are shown on the ins...

  • Page 20: Boiler Installation Sequence

    20 boiler installation sequence 5 5 210 124163 03 240/242/280/282/824/828 pro/plus 60/100 07/2000 fig. I.3: using boiler template 124163_03 using boiler template fix the paper template to the wall ensuring that the correct flue exit point has been identified, ensure that the template is vertical. Th...

  • Page 21: Boiler Installation Sequence

    3 320 131 22 26,5 27 131 105 105 1 2 euro b/s 091/0 21 boiler installation sequence fig. I.4: fitting the boiler fitting the boiler ● lift the boiler (3) up to the wall so that it is slightly above the hanging bracket (1). ● lower the boiler slowly onto the hanging bracket so that the cross member a...

  • Page 22: Boiler Installation Sequence

    22 boiler installation sequence removing boiler casing ● turn both securing fasteners (1) anti-clockwise by 90° to release control panel (2). ● pull the case (3) forward at the bottom to disengage from the securing clips. ● lift the case slightly to clear the top locations and pull forward to remove...

  • Page 23: Boiler Installation Sequence

    23 boiler installation sequence gas supply (turbomax plus) ● connect the 15 mm compression gas service cock (1) and 15 mm copper outlet tail (3) as supplied with the appliance (2) and tighten. ● connect a gas supply pipe of not less than 15 mm diameter to the copper tail. ● tighten all connections. ...

  • Page 24: Boiler Installation Sequence

    24 boiler installation sequence cold water mains inlet and hot water outlet (turbomax plus) flush all foreign matter from the mains supply before connecting to the boiler. ● connect the cold water service valve (1) to the cold inlet water connection (3) of the appliance with the washer (2) provided ...

  • Page 25: Boiler Installation Sequence

    25 boiler installation sequence central heating flow and return pipework (turbomax plus) before connecting the heating circuit to the boiler appliance, all pipework and radiators must be thoroughly flushed to remove any installation debris. ● connect the central heating flow (6) and return (1) servi...

  • Page 26: Boiler Installation Sequence

    26 boiler installation sequence gas supply (thermocompact) ● connect the 15 mm compression gas service cock (1) and 15 mm copper outlet tail (3) as supplied with the appliance and tighten. ● connect a gas supply pipe of not less than 15 mm diameter to the copper tail. ● tighten all connections. (ens...

  • Page 27: Boiler Installation Sequence

    27 boiler installation sequence central heating flow and return pipework (thermocompact) before connecting the heating circuit to the boiler appliance, all pipework and radiators must be thoroughly flushed to remove any installation debris. ● connect the central heating flow (6) and return (1) servi...

  • Page 28: Boiler Installation Sequence

    28 boiler installation sequence connection to a vantage unvented cylinder (thermocompact) ● for connecting a vaillant vantage unvented cylinder please refer to the vantage installation instructions provided with the cylinder. Connect the flue system to the boiler ● refer to separate air/flue duct in...

  • Page 29: Boiler Installation Sequence

    29 boiler installation sequence.

  • Page 30: Boiler Installation Sequence

    30 boiler installation sequence electrical installation general requirements all electrical work shall be carried out by a competent person and shall comply with bs7671 (iee regulations). The boiler is supplied for connection to 230 v, ~ 50 hz supply fused at 3 a rating. Connection to the mains supp...

  • Page 31: Boiler Installation Sequence

    31 boiler installation sequence caution mains connection terminals l and n remain live even when the boiler on/off control is switched off. ● refit the terminal box cover by pushing into place until it clips back into position. ● raise the control panel and secure in place. Connection to the main su...

  • Page 32: Boiler Installation Sequence

    32 boiler installation sequence euro b/s 125/1 n l 9 8 7 f3 5 4 3 24v 230v f1 socket x2 for internal unit components socket x4 for minority reversing valve socket x7 for accessory box connection socket x8 for vrc-vc connection room thermostat, 230 v: connections 3, 4 and 5 mains power supply: connec...

  • Page 33: Boiler Installation Sequence

    33 boiler installation sequence controls (turbomax plus boiler) external electrical controls the boiler terminals 3, 4 and 5 are for connecting external electrical controls such as a time switch and/or room thermostat. Terminals 3 and 4 are linked together when the boiler is supplied. If external co...

  • Page 34: Boiler Installation Sequence

    34 boiler installation sequence connection details for external time switches and boiler terminal strip. Fig. I.15 shows the connection details where a time switch is used without a room thermostat to control the boiler. Important: the arrowed numbers indicate connection into the relevant terminal i...

  • Page 35: Boiler Installation Sequence

    35 boiler installation sequence connection details for control systems utilising 3 port motorised valve via external wiring centre/junction box diagram only applies to the specific controls mentioned l n l n 3 4 5 e n l central heating on hot water on hot water off 3 amp fused main supply thermocomp...

  • Page 36: Boiler Installation Sequence

    36 boiler installation sequence connection details for control systems utilising 2 x 2 port motorised valves via external wiring centre/junction box diagram only applies to the specific controls mentioned l n l n 3 4 5 n l central heating on hot water on hot water off 3 amp fused main supply thermoc...

  • Page 37: Boiler Installation Sequence

    37 boiler installation sequence thermostatic radiator valves the boiler has a built in automatic bypass valve making it ideal for use in systems with thermostatic radiator valves (no separate system bypass is required). For optimum fuel economy it is recommended that where trv’s are used they are us...

  • Page 38: Boiler Installation Sequence

    38 boiler installation sequence 4 5 i 0 i 0 90 ° 90 ° 3 2 1 fit boiler casing ● carefully push case (1) onto the boiler such that the locating points either side at the top of the boiler engage. Push the casing onto the securing clips at the bottom of the boiler. ● close control panel (2). ● secure ...

  • Page 39: Commissioning Part I

    39 commissioning part i preliminary electrical checks check the electrical installation by carrying out short circuit, earth continuity and resistance to earth tests and a check for correct polarity. Gas supply the complete gas installation including the gas meter must be inspected, tested for sound...

  • Page 40: Commissioning Part I

    40 commissioning part i turbomax plus 2 1 90 ° fig. Com. 1: filling turbomax plus boiler eor b/s 054/0

  • Page 41: Commissioning Part I

    41 commissioning part i initial system flush (“cold“) the whole of the heating system must be flushed out at least twice: once cold, and once hot as instructed later on page 53. Open all radiator and heating valves and the boiler ch service valves and drain the heating system and boiler completely f...

  • Page 42: Commissioning Part I

    42 commissioning part i thermocompact initial system flush (“cold“) the whole of the heating system must be flushed out at least twice: once cold, and once hot as instructed later on page 53. Open all radiator and heating valves and the boiler ch service valves and drain the heating system and boile...

  • Page 43: Commissioning Part I

    43 commissioning part i thermocompact.

  • Page 44: Gas Supply Adjustments

    2 1 anschlussdruck t urbo fig. G.1: gas inlet working pressure 44 gas supply adjustments (commissioning part ii) gas inlet working pressure to check the gas inlet working pressure: ● lower the front panel of the boiler. ● lower the control panel. ● slacken the sealing screw (1) located at measuring ...

  • Page 45: Gas Supply Adjustments

    1 3 2 1a 3a 2a turbo h und pb fig. G.2: connection of u-gauge 45 gas supply adjustments (commissioning part ii) main burner pressure ● the burner pressure on this appliance has been factory set and does not require adjustment. To check the main burner pressure connect the u-gauge as follows dependin...

  • Page 46: Gas Supply Adjustments

    46 gas supply adjustments (commissioning part ii) 1 2 euro b/s 277/0 adjusting the central heating output (range rating) the boilers are fully modulating for central heating, and it is therefore not necessary to range rate the boiler. However, if desired, it is possible to range rate the boiler, as ...

  • Page 47: Gas Supply Adjustments

    47 gas supply adjustments (commissioning part ii) 1 simultaneously press the „i” and „+” buttons keys. 2 keep the „+” button pressed until „d.0” is displayed. (the display runs from „d.0” to „d.99” before restarting again at „d.0”.) 3 press the „i” button and a value between 1 and 15 will be display...

  • Page 48: Gas Supply Adjustments

    48 gas supply adjustments (commissioning part ii) adjusting the ignition rate ● undo screw and remove the cap (1). ● turbomax only: disconnect the modulating coil wires (2) from the gas valve, set the dhw temperatu- re control to maximum and fire the boiler at full rate by fully opening a hot water ...

  • Page 49: Gas Supply Adjustments

    49 gas supply adjustments (commissioning part ii) adjusting to the maxi- mum heat load (nominal load) ● turbomax only: set the dhw tem- perature control to maximum and fire the boiler at full rate by fully opening a hot water tap. ● thermocompact only: - turn off the boiler at the main on/off contro...

  • Page 50: Gas Supply Adjustments

    50 gas supply adjustments (commissioning part ii) burner pressure thermocompact 615/2 e natural gas 2h main burner jet mark 2) 7/120 burner pressure 1) [mbar] delivered gas for g20 output [kw] ignition rate 6.5 8.0 10.0 12.0 14.0 15.0 lpg 3+ main burner jet mark 2) 7/072 burner pressure 1) [mbar] 2....

  • Page 51: Gas Supply Adjustments

    51 gas supply adjustments (commissioning part ii) gas rate thermocompact 615/2 e natural gas 2h main burner jet mark 2) 7/120 gas rate 1) [m 3 /h] delivered gas for g20 output [kw] 6.5 8.0 10.0 12.0 14.0 15.0 0.8 1.0 1.3 1.4 1.7 1.7 gas rate thermocompact 620/2 e natural gas 2h main burner jet mark ...

  • Page 52: Functional Checks

    52 functional checks (commissioning part iii) i 0 functional checks procedure once the unit has been installed and the gas supply has been checked, operate the system to ensure that it is working correctly. ● operate the system, following the operating instructions supplied with the boiler. ● check ...

  • Page 53: Functional Checks

    53 functional checks (commissioning part iii) functional check of operation (turbomax plus only) this boiler is fitted with indicator lights to display the operating status of the boiler. The status of the indicators in normal operation will be as follows. Boiler in stand by mode ● red lock out indi...

  • Page 54: Functional Checks

    54 functional checks (commissioning part iii) functional check of operation (thermocompact only) this boiler is fitted with indicator lights to display the operating status of the boiler. The status of the indicators in normal operation will be as follows. Boiler in stand by mode ● red lock out indi...

  • Page 55: Functional Checks

    55 functional checks (commissioning part iii) adjusting pump speed the unit is fitted with a two-speed pump. The pump is delivered with the switch (1) set to position ii. Important note: the boiler should only be operated at pump setting ii because the heating capacity for hot water is reduced when ...

  • Page 56: Functional Checks

    56 functional checks (commissioning part iii) handing over to the user set the maximum radiator temperature control to the desired setting. Set the maximum hot water temperature control to the desired setting. Instruct the user in the safe and efficient operation of the boiler, in particular the fun...

  • Page 57: Servicing

    57 servicing before commencing any servicing or maintenance work, carry out an initial inspection of the system as follows: ● inspect the flue, pipework and electrical connections for indications of damage or deterioration. ● inspect the air supply and ventilation arrangements of the installation. ●...

  • Page 58: Servicing

    58 servicing 6 4 4 4 5 5 7 9 10 8 1 2 3 2a fig. W.1: cleaning the burner and primary heat exchanger euro b/s 059/0 cleaning the burner and primary heat exchanger ● turn off the boiler. ● isolate the electrical supply to the boiler. ● remove the boiler case as described on page 22. ● turn off the gas...

  • Page 59: Parts Replacement

    59 parts replacement ensure that all regulations are observed. Fig. E.1: general euro b/s 006/0gb safety instructions the following safety instructions are to be followed when installing replacement parts! Important: before starting any maintenance work: ● isolate the mains electricity supply by dis...

  • Page 60: Parts Replacement

    60 1 3 4 5 2 euro b/s 158/1 parts replacement 3 2 1 2 4 fig. E.2: burner euro b/s 157/0 fig. E.3: electrodes burner ● refer to the important information and initial preparation on page 59. ● remove combustion chamber cover by unclipping the three clamps. ● disconnect the ignition and flame sensing l...

  • Page 61: Parts Replacement

    61 parts replacement 1 2 4 3 8 9 5 7 6 fig. E.4: fan euro b/s 162/0 fan ● refer to the important information and initial preparation on page 59. ● remove combustion chamber cover by unclipping the three clamps (1). ● remove the screw (3) and push the flue connector (4) upwards until it clears the fa...

  • Page 62: Parts Replacement

    62 3 1 2 6 5 7 4 euro b/s 297/0 9 10 8 13 14 11 12 euro b/s 298/0 parts replacement fig. E.5: gas valve fig. E.6: gas valve gas valve ● refer to the important information and initial preparation on page 59. ● loosen screw and pull electrical plug off the gas valve. ● pull off the two modulating coil...

  • Page 63: Parts Replacement

    63 parts replacement temperature sensors (ntc’s) ● refer to the important information and initial preparation on page 59. ● identify which sensor(s) is to be replaced. ● if required remove combustion chamber cover by unclipping the three clamps. ● pull off connecting wire from sen- sor. ● unscrew nt...

  • Page 64: Parts Replacement

    64 parts replacement 1 4 2 3 fig. E.9: expansion vessel euro b/s 164/0 expansion vessel please note: in the unlikely event of a failure of the ch expansion vessel follow procedure depending upon the installation circumstances. Boiler installed with top connection air/flue duct to left/right hand sid...

  • Page 65: Parts Replacement

    65 parts replacement electronic control board ● refer to the important information and initial preparation on page 59. ● lower control box. ● unclip the terminal box cover by releasing the cover retaining clips and lift to remove. ● unclip the electronic board cover by releasing the clips (2) and li...

  • Page 66: Parts Replacement

    66 parts replacement pump ● refer to the important information and initial preparation on page 59. ● release central heating water pressure. ● unclip the terminal box cover by releasing the cover retaining clips and lift to remove. ● unplug the pump wire (2) from the electronic board. ● undo the thr...

  • Page 67: Parts Replacement

    67 parts replacement automatic bypass ● refer to the important information and initial preparation on page 59. ● release central heating water pressure. ● remove spring clip (2) ● undo union (1), remove bypass/connecting pipe. ● pull apart bypass and connecting pipe. ● re-assemble in reverse order. ...

  • Page 68: Parts Replacement

    68 parts replacement 1 4 6 2 3 5 fig. E.17: aqua sensor euro b/s 172/0 aqua sensor (turbomax plus only) ● refer to the important information and initial preparation on page 59. ● release central heating water pressure. ● remove the spring clip (1). ● ensure filling loop hose is disconnected. ● undo ...

  • Page 69: Parts Replacement

    69 parts replacement dhw heat exchanger (turbomax plus only) ● refer to the important information and initial preparation on page 59. ● release central heating water pressure. ● remove the diverter valve and pump as previously described. ● disconnect wire from the ntc. ● remove the spring clips (3 a...

  • Page 70: Parts Replacement

    70 parts replacement i 0 fig. E.20: functional check euro b/s 058/0 checking functions procedure on completion operate the system run to ensure that the boiler is working correctly. ● operate the system, following the operating instructions supplied with the boiler. ● check the system for water leak...

  • Page 71: Fault Finding

    71 fault finding the turbomax plus and thermocompact boilers have an inbuilt advanced multifunction diagnostic display to assist with fault finding in the unlikely event of a boiler malfunction. The display features the following four modes: normal mode under normal conditions the boiler display wil...

  • Page 72: Fault Finding

    72 fault finding indicator lights (turbomax plus only) the boiler control panel also contains three indicator lights whose function is as follows: ● red lock out indicator (1), when illuminated boiler is at lock out. ● yellow flame indicator (2), when illuminated main burner is ignited. ● green warm...

  • Page 73: Fault Finding

    73 fault finding procedure note: always check the operation of the boiler for central heating first before checking hot water operation. Do not open a hot water tap unless instructed to do so by the fault finding guide (turbomax only). 1. If a fault code is showing in the boiler display follow the f...

  • Page 74: Fault Finding

    74 fault finding status mode the status mode provides information about the current operating status of the boiler. To display status mode proceed as follows: ● press the „i” button below the display, and a status code will appear in the display indicating the current operational status of the boile...

  • Page 75: Fault Finding

    75 fault finding diagnostic modes in order to assist with the pinpointing of a particular fault it is possible to use the boiler display in a diagnostic mode to interrogate the boiler about the status of certain components. ● press the „i“ and „+“ buttons below the display simultaneously. The displa...

  • Page 76: Fault Finding

    76 fault finding display indication displayed values/adjustment values d.37 modulator current ma d.40 actual flow temperature °c d.45 not applicable d.47 not applicable d.50 maximum flow temperature °c d.53 not applicable d.54 not applicable d.60 number over heat cut off operations d.61 number of lo...

  • Page 77: Fault Finding

    77 fault finding fault codes fault codes take priority over all other display functions in the event of a system fault occurring. If multiple faults occur, the corresponding fault codes are displayed alternately for about two seconds each. Fault memory the fault memory stores details of the ten most...

  • Page 78: Fault Finding

    78 ensure boiler main on/off control is set to position "1" is there a display on the lcd panel? Ye s go to sheet c check electrical supply , appliance fuses and on/of f control no is 230v ac present across ter minals l and n? Ye s is 230v ac present across ter minals 3 and 5? Ye s is voltage betwee...

  • Page 79: Fault Finding

    79 fault finding sheet b check operation of pump and fan tu rn off the main on/off control to the "0" position disconnect the power supply to the boiler go to sheet a is there a display on the lcd panel? Check transfor mer 230 v ac primar y (black/red) and approx. 17 vdc secondar y (blue/brown) chec...

  • Page 80: Fault Finding

    80 check central heating and controls ensure that radiator temperature control knob is set to ver tical position and that any inter nal timer (if fitted) is calling for heat check diagnostic code d.08 (see page 53). Is heating demand present? No is 230 v ac present across ter minals 4 and 5 no exter...

  • Page 81: Fault Finding

    81 fault finding does fan run after approx. 30 secs.? Check flue and ignition system no check diagnostic code d.24 (see page 53) equal 1? Check pitot tube (in fan outlet) and air hoses are not obstructed and correctly aligned. Check or replace air pressure switch. Does the fan run now? Is 230 v ac p...

  • Page 82: Fault Finding

    82 check gas valve and central heating system pressure does bur ner light 1st attempt? Does bur ner light within 3 ignition attempts? No ye s check gas supply does bur ner light? Ye s check bur ner pressure settings are correct ye s no reset boiler no check/replace gas valve as necessar y does bur n...

  • Page 83: Fault Finding

    83 fault finding does flame indicator glow and flames increase in size to full gas rate after approx. 2 mins? Ye s does bur ner flame modulate/ go out when radiator temperature control is tur ned left to the horizontal position at flow temperature of approx. 50 c? Ye s does heating flow pipe tempera...

  • Page 84: Turbomax Plus

    84 turbomax plus draw hot water at high rate does green war mstar t indicator flash? Ye s check hot water flow rate and temperature. Compare with technical data, if flow is not sufficient check incoming main and cold water filter . Nor mal operation carr y out electrical safety checks no check cold ...

  • Page 85: Diagrams

    85 diagrams power supply f2a l 2 n 1 main switch main transformer 230v 20v air pressure switch fan pump ntc flow temperature sensor flame sensor gas valve dhw aqua sensor f1,25a ntc return temperature sensor burner lock out indicator (red) hot water/warmstart demand indicator ignition indicator main...

  • Page 86: Diagrams

    86 diagrams power supply f2a l 2 n 1 main switch main transformer 230v 20v air pressure switch fan pump ntc flow temperature sensor flame sensor gas valve f1,25a ntc return temperature sensor burner lock out indicator (red) ignition indicator main switchboard ignition electrodes legend b blue br bro...

  • Page 87: Diagrams

    87 diagrams switchgear cabinet u100 x3 t 2 t 1,25 x2 x2x2 x1 24 23 1 12 13 14 15 16 17 18 19 20 21 22 2 3 4 5 6 7 8 9 10 11 x2 aqua sensor pressure war mstar t ntc retur n ntc ear th ionisation electrode bridge ntc flow ntc retur n lifting magnet 24 23 1 12 13 14 15 16 17 18 19 20 21 22 2 3 4 5 6 7 ...

  • Page 88: Diagrams

    88 diagrams euro b/s_vc_018/1 switchgear cabinet u100 x3 t 2 t 1,25 x2 x2x2 x1 24 23 1 12 13 14 15 16 17 18 19 20 21 22 2 3 4 5 6 7 8 9 10 11 x2 pressure sensor ntc ear th ionisation electrode bridge ntc flow ntc retur n lifting magnet 24 23 1 12 13 14 15 16 17 18 19 20 21 22 2 3 4 5 6 7 8 9 10 11 f...

  • Page 89: Short Parts List

    89 short parts list description part no. Key no. Burner, natural gas burner chamber group 615e: 031508 burner chamber group 620e: 031509 burner chamber group 624e/824e: 031500 burner chamber group 628e/828e: 031501 distributor tube 615e: 126762 distributor tube 620e: 126751 distributor tube 624e/824...

  • Page 90: Short Parts List

    90 short parts list er.1 er.2 er.3 er.4 er.5* er.6 er.7 er.8 er.9 er.10 er.11 er.12 euro b/s 143/0 euro b/s 148/0 euro b/s 147/0 euro b/s 142/1 euro b/s 177/1 euro b/s 146/0 euro b/s 156/0 euro b/s 152/0 euro b/s 154/0 euro b/s 144/0 euro b/s 151/0 * turbomax plus only euro b/s vc 057/0

  • Page 91: Short Parts List

    91 short parts list er.13* er.14 er.16* er.17 er.15* euro b/s 149/0 euro b/s 155/1 euro b/s 145/0 euro b/s 178/0 euro b/s 150/0 * turbomax plus only.

  • Page 92

    83 37 86 gb 10 · 05/ 200 1 mü · printed on 100 % recycled paper · subject to alteration head office vaillant ltd., vaillant house, medway city estate, trident close, rochester, kent me 2 4 ez service solutions 0870 6060 777 technical advice 01634 292392.