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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 central heating systems
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Summary of Contents for Vaillant TURBOmax Plus 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 &...
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Page 2: Table Of Contents
TABLE OF CONTENTS List of Contents Contents included with boiler (TURBOmax Plus) ..4 Contents included with boiler (THERMOcompact) ..5 Introduction General Information ......6 General notes . - Page 3 TABLE OF CONTENTS Commissioning Part I Preliminary electrical checks ....39 Gas supply .......39 Cold water supply (TURBOmax Plus only) .
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Page 4: Contents Included With Boiler (Turbomax Plus)
LIST OF CONTENTS Contents included with boiler (TURBOmax Plus) Instructions for Installation Ensure that all contents are included BEDIENUNGSANLEITUNG before commencing installation. BEDIENUNGSANLEITUNG BEDIENUNGSANLEITUNG BEDIENUNGSANLEITUNG BEDIENUNGSANLEITUNG DO NOT remove the boiler from the Fig. L.1: Items supplied with unit (TURBOmax Plus) polystrene base at this stage. -
Page 5: Contents Included With Boiler (Thermocompact)
LIST OF CONTENTS Contents included with boiler (THERMOcompact) Instructions for Installation Ensure that all contents are included BEDIENUNGSANLEITUNG before commencing installation. BEDIENUNGSANLEITUNG BEDIENUNGSANLEITUNG BEDIENUNGSANLEITUNG BEDIENUNGSANLEITUNG DO NOT remove the boiler from the Fig. L.2: Items supplied with unit (THERMOcompact) polystrene base at this stage. Item Quantity Description... -
Page 6: Introduction
(Installation and Use) Regulations also incorporated in the system). 1998. In the UK „CORGI“ Vaillant Ltd. support the Benchmark The THERMOcompact range consists registered installers undertake the initiative. of models with outputs of 15, 20, work to a safe and satisfactory 24 kW and 28 kW. -
Page 7: Boiler Specification
BOILER SPECIFICATION Technical data THERMOcompact THERMOcompact 624/2 E 628/2 E THERMOcompact THERMOcompact (VU GB 242/2-5) (VU GB 282/2-5) Units 615/2 E 620/2 E TURBOmax Plus TURBOmax Plus (VU GB 152/2-5) (VU GB 202/2-5) 824/2 E 828/2 E (VUW GB 242/2-5) (VUW GB 282/2-5) Maximum CH heat input (net 16.5 (56.100) -
Page 8: Boiler Connections (Turbomax Plus)
BOILER SPECIFICATION Boiler connections (TURBOmax Plus) Key: Heating system return (22 mm tail) Cold water connection with shut off valve (15 mm tail) Gas connection (15 mm tail) Hot water connection (15 mm tail) Heating system flow (22 mm tail) Flue outlet (100 mm flue with turret) Hanging bracket... -
Page 9: Functional Diagram (Turbomax Plus)
BOILER SPECIFICATION Functional Diagram (TURBOmax Plus) 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 Maximum hot water temperature control 9 Maximum radiator temperature control 10 Diverter valve 11 DHW heat exchanger... -
Page 10: Functional Diagram (Thermocompact)
BOILER SPECIFICATION Functional Diagram (THERMOcompact) 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 function on this boiler 9 Maximum radiator temperature control 10 Automatic bypass valve... -
Page 11: General Requirements
Preliminary remarks water supplies for domestic premises. This appliance should only be BS 6700: Services supplying water installed in conjunction with a Vaillant for domestic use within buildings and flue system. their curtilages. Install the flue system as detailed in... -
Page 12: Boiler Location
GENERAL REQUIREMENTS Boiler location Gas Supply The location chosen for the boiler The gas supplier should ensure the must permit the provision of a availability of an adequate supply of satisfactory flue termination. The gas. location must also provide adequate A gas meter may only be connected space for servicing and air circulation to the service pipe by the supplier of... -
Page 13: Flue System
GENERAL REQUIREMENTS Flue system Note: The boilers are delivered ready for installation utilising a top outlet flue assembly. For installation with a rear outlet flue assembly refer to the boiler flue outlet adaptation instructions supplied with the rear flue accessory. Top outlet flue system Extended top outlet flue system (100 mm outside diameter) -
Page 14: Flue Termination
GENERAL REQUIREMENTS 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 may be visible from the flue terminal. -
Page 15: Air Supply
GENERAL REQUIREMENTS Air supply Cupboard or compartment Electrical supply ventilation Detailed recommendations for air A 230 V, ~ 50 Hz single phase supply are given in BS 5440: Part 2. electricity supply fused to 3 Amp. The boilers are very high efficiency must be provided in accordance with appliances. -
Page 16: Guide To System Requirements
GENERAL REQUIREMENTS Guide to system Water circulation system Filling and make up requirements Detailed recommendations for the The system can be filled using the water circulation system are given in built in filling loop (TURBOmax Plus BS 6798 and BS 5449: Part 1 (for only) or via a separate filling point small bore and micro bore central fitted at a convinient position on the... -
Page 17: Expansion Vessel
GENERAL REQUIREMENTS Expansion vessel Vessel Volume [L] Initial system pressure (bar) The 15 and 20 kW THERMOcompact Pressure relief valve setting (bar) boilers as well as the 24 kW Total water content of system TURBOmax Plus boiler incorporate a litres 6 litre expansion vessel which is suit- able for a sealed heating system with a maximum water content of 60 litres. -
Page 18: Circulating Pump
(TURBOmax Plus only) A DHW expansion vessel kit (Art. No. 306 237) is available as an optional extra from Vaillant Ltd. This expansion vessel kit should be fitted to the boiler whenever, either a stop valve of the loose jumper type or a non return valve are present in the cold water mains supply to the boiler. -
Page 19: Boiler Installation Sequence
BOILER INSTALLATION SEQUENCE y y | 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 installation template supplied with the boiler: - 150 mm below the boiler... -
Page 20: Using Boiler Template
BOILER INSTALLATION SEQUENCE 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. The template shows - The position of the fixing holes for the boiler mounting bracket (1). -
Page 21: Fitting The Boiler Hanging Bracket
BOILER INSTALLATION SEQUENCE Fitting the boiler hanging bracket Fix the hanging bracket (2) to the wall using the screws supplied. (it may be necessary to use additional or alternative fixings to ensure adequate support). Note: If the boiler is to be fitted in a timber framed building ensure that the bracket is secured to a substantial part of the timber frame... -
Page 22: Removing Boiler Casing
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 VRC-VC securing clips. Lift the case slightly to clear the top locations and pull forward to remove. -
Page 23: Gas Supply (Turbomax Plus)
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. -
Page 24: Cold Water Mains Inlet And Hot Water Outlet (Turbomax Plus)
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 and tighten. -
Page 25: Central Heating Flow And Return Pipework (Turbomax Plus)
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) service valves to the appliance (8 and 3) with the washers provided (2 and 7) and tighten the nuts. -
Page 26: Gas Supply (Thermocompact)
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. -
Page 27: Central Heating Flow And Return Pipework (Thermocompact)
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) service valves to the appliance (8 and 3), with the washers (2 and 7) provided and tighten the nuts. -
Page 28: Connection To A Vantage Unvented Cylinder (Thermocompact)
Connection to a Vantage Connect the flue system unvented cylinder to the boiler (THERMOcompact) Refer to separate air/flue duct installation instructions included For connecting a Vaillant Vantage with the boiler. unvented cylinder please refer to the Vantage installation instructions provided with the cylinder. - Page 29 BOILER INSTALLATION SEQUENCE...
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Page 30: Electrical Installation General Requirements
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. -
Page 31: Connection To The Main Supply
BOILER INSTALLATION SEQUENCE Caution Connection to the main Mains connection terminals L supply and N remain live even when the boiler on/off control is switched off. Lower the control panel. Refit the terminal box cover by pushing into place until it clips Unclip the terminal box cover (1) back into position. -
Page 32: Electronic Board Layout
BOILER INSTALLATION SEQUENCE Electronic board layout Socket X2 for internal unit components Socket X4 for minority reversing valve Socket X7 for accessory box connection Socket X8 for VRC-VC connection Do not use! Mains power supply: connections L, N and earth Room thermostat, 230 V: connections 3, 4 and 5 Socket X12: pump connection Socket X14: gas valve connection... -
Page 33: Controls
Smiths Timeguard boiler. ProgramaSTAT PRT11, PRT17 Important: The arrowed numbers indicate connection into the relevant Sunvic TLX 6501 terminal in the boiler terminal strip. Sunvic TLX RFP, TLX RFD Vaillant VRT 9083QT, VRT 9084QW Fig. I.14... - Page 34 Set 1E, TS975 the room thermostat (see schematic layout, Fig. I.16). Danfoss Randall TS715 Grässlin Towerchron QE1, QM1 Vaillant optional plug in timer accessories Honeywell ST610A, ST6100C Refer to the instructions supplied with the optional accessories for Horstmann Channel Plus connection details.
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Page 35: External Electrical Controls
If external Cylinder thermostat Room thermostat controls are used, this link must be ACL Drayton HTS3 Vaillant VRT 9090 removed, and the controls connected Danfoss Randall ATC ACL Drayton Digistat 2, 3, 4 across terminals 3 and 4. - Page 36 *Do not use pre-wired printed circuit board type not used 10 7 Cylinder thermostat Room thermostat ACL Drayton HTS3 Vaillant VRT 9090 Danfoss Randall ATC ACL Drayton Digistat 2, 3, 4 Tower CS1 ACL Drayton RTS 1, 2 Honeywell L641...
- Page 37 BOILER INSTALLATION SEQUENCE Thermostatic radiator valves Anti-cycling ‘economiser’ control Automatic pump spin control (APS) The boiler has a built in automatic The boiler incorporates a built in bypass valve making it ideal for use anti-cycling control to ensure that The boiler incorporates a built in in systems with thermostatic radiator energy wasteful short cycling of the control which will spin the built in...
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Page 38: Fit Boiler Casing
BOILER INSTALLATION SEQUENCE 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). -
Page 39: Preliminary Electrical Checks
COMMISSIONING PART I Preliminary electrical Gas supply Cold water supply checks (TURBOmax Plus only) The complete gas installation including the gas meter must be Open all domestic hot water taps inspected, tested for soundness and Check the electrical installation by supplied by the boiler, turn on the purged in accordance with BS 6891. -
Page 40: Filling The Heating System (Turbomax Plus)
COMMISSIONING PART I Fig. Com. 1: Filling TURBOmax Plus boiler... - Page 41 COMMISSIONING PART I Filling the heating Initial system flush system (“cold“) (TURBOmax Plus) The whole of the heating system must be flushed out at least twice: once cold, and once hot as instructed later Proceed as follows to fill the system: on page 53.
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Page 42: Filling The Heating System (Thermocompact)
COMMISSIONING PART I Filling the heating Initial system flush system (“cold“) (THERMOcompact) The whole of the heating system must be flushed out at least twice: once cold, and once hot as instructed later The boiler and the heating system on page 53. should be filled using a filling method as described on page 16. - Page 43 COMMISSIONING PART I...
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Page 44: Gas Inlet Working Pressure
GAS SUPPLY ADJUSTMENTS (COMMISSIONING PART II) Gas inlet working picture shows a TURBOmax Plus boiler 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 point „P.IN”. Attach U-gauge to the inlet test point on the gas valve (2). -
Page 45: Main Burner Pressure
GAS SUPPLY ADJUSTMENTS (COMMISSIONING PART II) Main burner pressure U-Gauge connection points for Natural gas The burner pressure on this picture shows a appliance has been factory set and TURBOmax Plus boiler does not require adjustment. To check the main burner pressure connect the U-Gauge as follows depending on the gas type. -
Page 46: Adjusting The Central Heating Output (Range Rating)
GAS SUPPLY ADJUSTMENTS (COMMISSIONING PART II) This illustration shows the U-tube pressure gauge connected to a system Adjusting the central configured to run on natural gas. When connecting the U-tube pressure heating output gauge to a system running on LPG, please refer to Fig. G.2 on page 45. (range rating) picture shows a The boilers are fully modulating for... - Page 47 GAS SUPPLY ADJUSTMENTS (COMMISSIONING PART II) Simultaneously press the „i” and Keep the „+” button pressed until Press the „i” button and a value „+” buttons keys. „d.0” is displayed. between 1 and 15 will be displayed. (The display runs from „d.0” to „d.99”...
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Page 48: Adjusting The Ignition Rate
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 tap. -
Page 49: Adjusting To The Maximum Heat Load (Nominal Load)
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 control. -
Page 50: Burner Pressure And Gas Rate
GAS SUPPLY ADJUSTMENTS (COMMISSIONING PART II) Burner pressure and gas Burner Pressure THERMOcompact 615/2 E rate Ignition Delivered gas Output [kW] 10.0 12.0 14.0 15.0 rate Burner pressure [mbar] Natural gas 2H Main burner jet mark for G20 10.5 7/120 Burner pressure [mbar] LPG 3+... - Page 51 GAS SUPPLY ADJUSTMENTS (COMMISSIONING PART II) Gas Rate THERMOcompact 615/2 E Delivered gas Output [kW] 10.0 12.0 14.0 15.0 Gas Rate Natural gas 2H Main burner jet mark for G20 7/120 Gas Rate THERMOcompact 620/2 E Delivered gas Output [kW] 10.0 12.0 14.0...
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Page 52: Functional Checks
FUNCTIONAL CHECKS (COMMISSIONING PART III) 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. -
Page 53: Functional Check Of Operation
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 indicator (1) OFF. - Page 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 indicator (1) OFF.
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Page 55: Adjusting Pump Speed
FUNCTIONAL CHECKS (COMMISSIONING PART III) Adjusting pump speed picture shows a TURBOmax Plus The unit is fitted with a two-speed application 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 operated at pump setting I! -
Page 56: Handing Over To The User
To ensure regular servicing, it is strongly recommended that arrangements are made for a Maintenance Agreement. Please contact Vaillant Service Solutions (0870 6060 777) for further details. Ensure the boiler log book is fully completed and leave with the end user. -
Page 57: Initial Inspection
SERVICING Initial Inspection To ensure the continued safe and Before commencing any servicing or efficient operation of the boiler it is maintenance work, carry out an initial recommended that it is checked and inspection of the system as follows: serviced as necessary at regular Inspect the flue, pipework and intervals. -
Page 58: Cleaning The Burner And Primary Heat Exchanger
SERVICING 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 service valve. Turn off the boiler CH service valves. -
Page 59: Safety Instructions
PARTS REPLACEMENT Safety instructions The following safety instructions are to be followed when installing replacement Ensure that ALL regulations parts! are observed. Important: Before starting any maintenance work: Isolate the mains electricity supply by disconnecting the plug at the socket outlet (if there is only an isolating switch remove the fuse from the switch). -
Page 60: Burner
PARTS REPLACEMENT 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 leads. Remove electrode bracket supporting screw (1) and then remove the electrodes (2). Remove two screws (3) and pull burner (4) forwards to remove. -
Page 61: Fan
PARTS REPLACEMENT 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 fan outlet (when the boiler is installed with a rear outlet flue system push the flue connector (4) towards the rear of the boiler... -
Page 62: Gas Valve
PARTS REPLACEMENT Gas valve picture shows a TURBOmax Plus boiler 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 wires. Disconnect air tube from gas valve. Undo nut (1) on the gas valve outlet connection. -
Page 63: Temperature Sensors (Ntcs)
PARTS REPLACEMENT Temperature sensors picture shows a TURBOmax Plus boiler (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. -
Page 64: Expansion Vessel
PARTS REPLACEMENT Expansion vessel picture shows a TURBOmax Plus boiler 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 side, or vertical flue installation (where 500 mm clearance exists about the boiler). -
Page 65: Electronic Control Board
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 lift to remove. -
Page 66: Pump
PARTS REPLACEMENT Pump picture shows a TURBOmax Plus boiler 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. -
Page 67: Automatic Bypass
PARTS REPLACEMENT Automatic bypass picture shows a TURBOmax Plus boiler 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. -
Page 68: Diverter Valve (Turbomax Plus Only)
PARTS REPLACEMENT Diverter valve (TURBOmax Plus only) Refer to the important information and initial preparation on page 59. Release central heating water pressure. Disconnect the plug (4) from the diverter valve. Remove the spring clip (5). Undo the unions (6) and remove the diverter valve. -
Page 69: Dhw Heat Exchanger (Turbomax Plus Only)
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 and 4). Undo the bottom left hand union (2). -
Page 70: Checking Functions
PARTS REPLACEMENT 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 leaks and escaping gas. Check that the flue has been correctly installed, according to the separate flue instructions. -
Page 71: Introduction
FAULT FINDING INTRODUCTION 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 will show the boiler flow temperature, this indicates that the boiler is operating correctly after an... -
Page 72: Indicator Lights
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 warmstart indicator (3) Illuminated = Warmstart switched Not illuminated = Warmstart is... -
Page 73: Logical Fault Finding Procedure
FAULT FINDING Logical fault finding Procedure procedure Note: Always check the operation of the boiler for central heating first These checks must be carried out before checking hot water operation. before attempting to use the fault fin- Do not open a hot water tap unless ding guide. -
Page 74: Status Mode
FAULT FINDING Status Mode To display status mode proceed as To cancel the status code mode pro- follows: ceed as follows: The status mode provides information Press the „i” button below the Press the„i” button below the about the current operating status of display, and a status code will display the boiler. -
Page 75: Diagnostic Modes
FAULT FINDING Diagnostic Modes Use „+“ or „-“ buttons to scroll up Diagnosic mode is cancelled as or down to the desired diagnosic follows: number. In order to assist with the pinpointing Press the „i“ and „+“ buttons Press „i“ button to display the of a particular fault it is possible to simultaneously corresponding diagnosic... - Page 76 FAULT FINDING Display Indication Displayed values/adjustment values d.37 Modulator current d.40 Actual flow temperature °C d.45 Not applicable d.46 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 lock outs d.64...
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Page 77: Fault Codes
FAULT FINDING Fault codes Fault memory To cancel fault error memory display mode, proceed as follows: Fault codes take priority over all other The fault memory stores details of the Press the „i“ button below the display functions in the event of a ten most recent faults. -
Page 78: Fault Finding Charts
FAULT FINDING... - Page 79 FAULT FINDING...
- Page 80 FAULT FINDING...
- Page 81 FAULT FINDING...
- Page 82 FAULT FINDING...
- Page 83 FAULT FINDING...
- Page 84 FAULT FINDING TURBOmax Plus only...
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Page 85: Functional Flow Diagrams
DIAGRAMS Functional Flow diagram: TURBOmax Plus 824/2 E, 828/2 E CONTROL BOX MAIN SWITCH Burner lock out indicator (red) Ignition indicator MAIN Hot water/warmstart TRANSFORMER demand indicator 230V POWER SUPPLY display F1,25A MAIN SWITCHBOARD PRESSURE plug in connector SWITCH plus / minus buttons reset button PUMP info button... -
Page 86: Diagrams Functional Flow Diagrams
DIAGRAMS Functional Flow diagram: THERMOcompact 615/2 E, 620/2 E, 624/2 E, 628/2 E CONTROL BOX MAIN SWITCH Burner lock out indicator (red) Ignition indicator MAIN TRANSFORMER 230V POWER SUPPLY display F1,25A MAIN SWITCHBOARD plug in PRESSURE connector SWITCH plus / minus buttons reset button PUMP info button... -
Page 87: Wiring Diagrams
DIAGRAMS Wiring diagram: TURBOmax Plus 824/2 E, 828/2 E sensor Water flow return Fig. D.3: Wiring diagram VUW... - Page 88 DIAGRAMS Wiring diagram: THERMOcompact 615/2 E, 620/2 E, 624/2 E, 628/2 E flow return Fig. D.4: Wiring diagram VU...
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Page 89: Short Parts List
SHORT PARTS LIST Description Part No. Key No. Burner chamber group 615E: 031508 Burner chamber group 620E: 031509 Burner chamber group 624E/824E: 031500 Burner chamber group 628E/828E: 031501 Burner, natural gas Er.1 Distributor tube 615E: 126762 Distributor tube 620E: 126751 Distributor tube 624E/824E: 126752 Distributor tube 628E/828E: 1267523 Ignition electrode... - Page 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 * TURBOmax Plus only...
- Page 91 SHORT PARTS LIST Er.13* Er.14 Er.15* Er.16* Er.17 * TURBOmax Plus only...
- Page 92 Head Office Service Solutions 0870 6060 777 Vaillant Ltd., Vaillant House, Technical Advice 01634 292392 Medway City Estate, Trident Close, Rochester, Kent ME 2 4 EZ...
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