Baxi Potterton Promax Combi HE Plus A Range Manuel de service

© Baxi Heating UK Ltd 2007Installation & Service InstructionsPromax SLRangeThese instructions include the Benchmark Commissioning Checklistand sho

Appliance Category CAT I 2H4.0 Technical Data10© Baxi Heating UK Ltd 2007HorizontalFlue Terminal Diameter 110mmDimensions Projection 150mmOutercase D

5.0 Dimensions and Fixings11© Baxi Heating UK Ltd 2007DIMENSIONSA 600mmB 280mmC 390mmD 150mm Ø Min.E 162.5mmF 96mmSIDE FLUE (left and right)For every

6.0 System Details12© Baxi Heating UK Ltd 20076.1 Water Circulating Systems1. The appliance is suitable for use with open vent fullypumped systems and

6.0 System Details13© Baxi Heating UK Ltd 20076.3 Pipework1. The sizes of flow and return pipes from the boiler shouldbe determined by normal methods,

6.0 System Details14© Baxi Heating UK Ltd 20076.6 System ControlsThis boiler does not require a bypass.This boiler does not require a permanent live.T

6.0 System Details15© Baxi Heating UK Ltd 20076.7 Sealed Systems (Fig. 13)1. SAFETY VALVE - A safety valve complying with therequirements of BS 6750 P

7.0 Site Requirements16© Baxi Heating UK Ltd 20077.1 LocationNOTE: Due to the high efficiency of the boiler aplume of water vapour will be discharged

7.0 Site Requirements17© Baxi Heating UK Ltd 20077.3 Clearances (Figs. 15 &16)1. A flat vertical area is required for the installation of theboile

7.0 Site Requirements18© Baxi Heating UK Ltd 20077.6 Condensate DrainFAILURE TO INSTALL THE CONDENSATEDISCHARGE PIPEWORK CORRECTLY WILL AFFECTTHE RELI

7.0 Site Requirements19© Baxi Heating UK Ltd 2007NIIGFMIAAFHJ,KDEHLikely flue positions requiring a flue terminal guard CRAIJ,KILSBTU7.7 FlueNOTE: Due

2© Baxi Heating UK Ltd 2007Natural GasPotterton Promax 12 SLG.C.No41 591 79Potterton Promax 15 SLG.C.No41 591 87Potterton Promax 18 SLG.C.No41 591 80P

8.0 Flue Options20© Baxi Heating UK Ltd 20078.1 Horizontal Flue SystemsConcentricThe maximum equivalent lengths are 4m (horizontal) or(vertical). Thei

8.0 Flue Options21© Baxi Heating UK Ltd 2007Y8.2 Twin & Vertical Flue SystemsConcentricThe maximum equivalent lengths are 4m (vertical). Theirleng

8.0 Flue Options22© Baxi Heating UK Ltd 2007Key Accessory Size Code NoFLUE GROUP BConcentric Flue System 110mm diameterA1 Horizontal Flue Terminal 850

8.0 Flue Options23© Baxi Heating UK Ltd 2007Vertical FlueAdaptorGasket8.4 For Vertical Flue Systems1. Undo the screws securing the blanking plate to t

8.0 Flue Options24© Baxi Heating UK Ltd 20078.6 For Roof Terminals1. In the case of a pitched roof 25 - 50 degrees, positionthe lead tile to replace/f

9.0 Plume Displacement25© Baxi Heating UK Ltd 20079.1 Plume Displacement Kit (P.D.K.)Kit No 5121371Content of kit1 70/110 Concentric Flue1 1m 70 Dia E

9.0 Plume Displacement26© Baxi Heating UK Ltd 200710246810121470Ø Exhaust (metres)Concentric 70/110 Flue (metres)016182342012, 15, 18 & 2430 22242

9.0 Plume Displacement27© Baxi Heating UK Ltd 20079.3 General Fitting Notes - P.D.K.1. Cut a hole in the external wall which the horizontalconcentric

9.0 Plume Displacement28© Baxi Heating UK Ltd 2007500mm Min.Plume OutletElbow200mm Min.9.3 General Fitting Notes - P.D.K. (cont.)16. For aesthetic pur

10.0 Installation29© Baxi Heating UK Ltd 2007Check Site Requirements (section 7) beforecommencing.10.1 Initial PreparationThe gas supply, gas type and

Installer Notification Guidelines3© Baxi Heating UK Ltd 2007Choose BuildingRegulations NotificationRouteContact your relevant LocalAuthority Building

10.0 Installation30© Baxi Heating UK Ltd 200710.2 Preparing The Boiler1. Remove the outer carton and packaging.2. Lift the outercase upwards and remov

10.0 Installation31© Baxi Heating UK Ltd 200710.3 Fitting The Boiler (Fig. 24)1. Obtain retaining bracket and two M6 nuts from fittingbag.2. Offer up

10.0 Installation32© Baxi Heating UK Ltd 200710.6 Making the Gas Connection1. Connect the gas supply to the G1/2(1/2in BSPTInternal) gas tap. This is

10.0 Installation33© Baxi Heating UK Ltd 200710.7 Fitting the Flue (Cont)6. Ensure the inner flue support bracket is positioned inthe flue (Fig. 28).7

10.0 Installation34© Baxi Heating UK Ltd 200710.8 Making The Electrical ConnectionsWARNING: This appliance must be earthed1. The electrical connection

11.0 Electrical35© Baxi Heating UK Ltd 200711.1 Schematic Wiring DiagramKey To Wiring Colours b - Bluebk - Blackw - Whitebr - Browngy - Greyr - Redg -

11.0 Electrical36© Baxi Heating UK Ltd 2007Wiring Keyb - Bluebk - Blackbr - Brownr - Redw - Whiteg/y - Green/Yellowg - Greengy - Greyop - Opaquey - Ye

12.0 Commissioning the Boiler37© Baxi Heating UK Ltd 200712.1 Commissioning the Boiler1. Reference should be made to BS 5449 Section 5 whencommissioni

13.0 Fitting the Outer Case38© Baxi Heating UK Ltd 200713.1 Fitting The Outer Case1. Position the outercase over the boiler engaging thelugs in the si

14.0 Servicing the Boiler39© Baxi Heating UK Ltd 200714.1 Annual ServicingIf a combustion analyser is available the CO/CO2 can bechecked (for levels s

Legislation4© Baxi Heating UK Ltd 2007This company declares that no substances harmfulto health are contained in the appliance or usedduring appliance

14.0 Servicing the Boiler40© Baxi Heating UK Ltd 200714.1 Annual Servicing (Cont)10. To clean the heat exchanger and burner proceed asfollows:a) Disco

15.0 Changing Components41© Baxi Heating UK Ltd 200715.1 Changing ComponentsIMPORTANT: When changing components ensurethat both the gas and electrical

15.0 Changing Components42© Baxi Heating UK Ltd 200715.3 Flowswitch (Fig. 47)1. Drain the boiler (see Section 15.1 paragraph 2 & 3).2. Remove the

15.0 Changing Components43© Baxi Heating UK Ltd 200715.4 PCB (Figs. 48 & 49)WARNING: The PCB Control and FanAssembly are 325 Vdc. Isolate at suppl

15.0 Changing Components44© Baxi Heating UK Ltd 2007The fan and venturi, gas valve, injector pipe,condensate trap, fan protection sensor, spark andsen

15.0 Changing Components45© Baxi Heating UK Ltd 2007The removal of the fan is necessary to enable thechanging of the injector pipe, condensate trap an

15.0 Changing Components46© Baxi Heating UK Ltd 2007The burner and heat exchanger can be changed afterremoval of the combustion box door. To change th

15.0 Changing Components47© Baxi Heating UK Ltd 2007Combustion Box BaseCentral Insulation PanelSupport BracketBurner15.12 Heat Exchanger Lower Insulat

16.0 Short Parts List48© Baxi Heating UK Ltd 2007Short Parts ListKey G.C. Description ManufacturersNo. No. Part No.A E06 058 Flow TemperatureThermisto

17.0 Fault Finding49© Baxi Heating UK Ltd 2007LowHighResetONMains OnLED Light(Green)Boiler OnLED Light(Green)LockoutLED Light(Red)LightsOff Off Off

Safe Manual Handling5© Baxi Heating UK Ltd 2007GeneralThe following advice should be adhered to, from when first handling the boiler to the final stag

17.0 Fault Finding50© Baxi Heating UK Ltd 2007No Switched Live toboiler. Check SystemsControls and SystemWiring.240V at B ?Check wiring fromterminal b

17.0 Fault Finding51© Baxi Heating UK Ltd 2007DRY-FIRENOFill system with water andbleed out all air.Replace PCB.YESNOYESNOIs the system full of water

17.0 Fault Finding52© Baxi Heating UK Ltd 2007IGNITION LOCKOUTYESIs there gas at gas valve inlet?Check isolation valve andgas supply.YESNOReset Lockou

17.0 Fault Finding53© Baxi Heating UK Ltd 2007OVERHEAT LOCKOUTReplace Stat.Replace Stat.Wiring from PCB tothermostats faulty.YESNOYESNONODisconnectbla

17.0 Fault Finding54© Baxi Heating UK Ltd 2007FAN LOCKOUTRectify wiring.NOYESUnplug3-way PCB connector& unplug fan. Is therecontinuity from N to O

17.0 Fault Finding55© Baxi Heating UK Ltd 2007THERMISTORReplace thermistor.Wiring from PCB tothermistor faulty.YESNONOYESReplace PCB.Unplugthermistor,

18.0 Notes56© Baxi Heating UK Ltd 2007

18.0 Notes57© Baxi Heating UK Ltd 2007

CONTROLS To comply with the Building Regulations, each section must have a tick in one or other of the boxesTIME & TEMPERATURE CONTROL TO HEATING

SERVICE 1DATEENGINEER NAMECOMPANY NAMETEL No.CORGI ID CARD SERIAL No.COMMENTSSIGNATURESERVICE 2DATEENGINEER NAMECOMPANY NAMETEL No.CORGI ID CARD SERIA

© Baxi Heating UK Ltd 20071.0 Introduction 72.0 General Layout 83.0 Appliance Operation 94.0 Technical Data 105.0 Dimensions and Fixings 116.0 System

© Baxi Heating UK Ltd 2007Comp No5121908 - Iss 2 - 9/07POTTERTONA Trading Division of Baxi Heating UK Ltd (3879156)Adivision of Baxi GroupBrooks House

1.1 Description1. The Potterton Promax SL range are gas fired roomsealed fan assisted condensing central heating boilers.2. The maximum output of the

2.0 General Layout8© Baxi Heating UK Ltd 20072.1 Layout (Figs. 3,4,5 & 6)1. Wall Plate2. Flue Elbow3. Heat Exchanger4. Burner5. Air Box6. Fan Prot

3.0 Appliance Operation9© Baxi Heating UK Ltd 20073.11. Switched Live On: When the switched live switcheson if the flow temperature is less than the s