Baxi Potterton LPG Service Manual

© Baxi Heating UK Ltd 2008Installation & Service InstructionsThese instructions include the Benchmark CommissioningChecklist and should be left wi

10© Baxi Heating UK Ltd 2008This value is used in the UK Government’s Standard Assessment Procedure(SAP) for energy rating of dwellings. The test data

115.0 Dimensions and Fixings© Baxi Heating UK Ltd 2008360° Orientation Tube Ø 100mmDCBAEGFAt least 1.5°HHeatingReturn(22mm)HeatingFlow(22mm)Pressure R

126.0 System Details© Baxi Heating UK Ltd 20086.1 Central Heating Circuit1. The appliance is suitable for fully pumped SEALED SYSTEMSONLY. Treatment o

136.0 System Details© Baxi Heating UK Ltd 2008StopValveDoubleCheckValveMainsColdInletCHReturnTemporaryHoseStopValveFig. 3Filling Loop forSealed System

147.0 Site Requirements© Baxi Heating UK Ltd 20087.1 Location1. The boiler may be fitted to any suitable wall with the fluepassing through an outside

157.0 Site Requirements© Baxi Heating UK Ltd 20087.3 Ventilation of Compartments1. Where the appliance is installed in a cupboard orcompartment, no ai

167.0 Site Requirements© Baxi Heating UK Ltd 20087.7 Condensate DrainFAILURE TO INSTALL THE CONDENSATE DISCHARGEPIPEWORK CORRECTLY WILL AFFECT THE REL

177.0 Site Requirements© Baxi Heating UK Ltd 20087.8 FlueNOTE: Due to the nature of the boiler a plume of watervapour will be discharged from the flue

188.0 Flue Options© Baxi Heating UK Ltd 2008HorizontalFluesYXPlume Displacement 60 /100 dia Kit1M Extensions 45° & 93° bends arealso available - s

198.0 Flue Options© Baxi Heating UK Ltd 2008VerticalFluesVerticalFlues(Twin Pipe)YXYX8.2 Twin & Vertical Flue Systems1. Maximum permissible equiva

2© Baxi Heating UK Ltd 2008Building Regulations and the Benchmark CommissioningChecklistBuilding Regulations (England & Wales) require notificatio

208.0 Flue Options© Baxi Heating UK Ltd 2008Key Accessory Size Code NoFLUE GROUP AConcentric Flue System 100mm diameterA Horizontal Flue Terminal (inc

218.0 Flue Options© Baxi Heating UK Ltd 2008For Twin Flue Systems fit the adaptors as follows:-8.4 Flue Duct Adaptor1. Engage the flue duct adaptor on

228.0 Flue Options© Baxi Heating UK Ltd 20088.6 For Roof Terminals1. In the case of a pitched roof 25 - 50 degrees, position the leadtile to replace/f

239.0 Plume Displacement© Baxi Heating UK Ltd 20089.1 Plume Displacement Kit (Fig. 14)Kit No 5118638 (5121367 without elbow)Content of kit1 0.9m 60/10

249.0 Plume Displacement© Baxi Heating UK Ltd 2008Concentric 60/100 Flue60Ø ExhaustXYFig. 1720246810121460 Ø Exhaust (metres) XConcentric 60/100 Flue

25© Baxi Heating UK Ltd 20089.0 Plume DisplacementMin. 2 metresFig. 1950mmFlue TrimPosition of ‘Jubilee’ ClipscrewFig. 2430mm30mmFig. 21Fig. 23Fig. 20

269.0 Plume Displacement© Baxi Heating UK Ltd 20089.3 General Fitting Notes (cont.)15. For aesthetic purposes it is permissible to route the60Ø exhaus

27© Baxi Heating UK Ltd 200810.0 Installation10.1 Unpacking & Initial PreparationThe gas supply, gas type and pressure must be checked forsuitabil

2810.0 Installation© Baxi Heating UK Ltd 200810.3 Fitting The Boiler1. Lift the boiler using the Lifting Points as shown by theshaded areas (Fig. 34).

2910.0 Installation© Baxi Heating UK Ltd 2008Wall Thickness(X)Wall Thickness(X)Flue ElbowFig. 36Fig. 37AdaptorApply Lubricant forease of assembly.Ensu

3Installer Notification Guidelines© Baxi Heating UK Ltd 2008Choose BuildingRegulations NotificationRouteContact your relevant LocalAuthority Building

3010.0 Installation© Baxi Heating UK Ltd 2008Slots at bottomFig. 42Fig. 43Apply Lubricant forease of assembly.Ensure Flue is fullyengaged into FlueElb

3110.0 Installation© Baxi Heating UK Ltd 200810.7 Making The Electrical ConnectionsThe boiler is fitted with a 1.3m length of 3 core of cable.This can

3211.0 Commissioning© Baxi Heating UK Ltd 200811.1 Commissioning the Boiler1. Reference should be made to BS 5449 Section 5 whencommissioning the boil

3311.0 Commissioning© Baxi Heating UK Ltd 200811.2 Checking1. The gas valve is factory set and the burner pressure cannotbe measured as it is altered

3412.0 Completion© Baxi Heating UK Ltd 200812.1 Completion 1. Instruct the user in the operation of the boiler andsystem including extenal controls, e

35© Baxi Heating UK Ltd 2008Case Front PanelFig. 60Facia Panel SecuringScrewsFig. 61Inner DoorPanelFig. 62CondensateTrapSump13.0 Servicing13 .1 Annual

3613.0 Servicing© Baxi Heating UK Ltd 200813.1 Annual Servicing (Cont)9. Undo the nut on the gas inlet pipe to the venturi (Fig. 63)and pull the sensi

3714.0 Changing Components© Baxi Heating UK Ltd 2008IMPORTANT: When changing components ensure thatboth the gas and electrical supplies to the boiler

3814.0 Changing Components© Baxi Heating UK Ltd 200814.3 Fan (Fig. 67)1. Undo the nut on the gas inlet pipe to the venturi (Fig. 68)and pull the sensi

3914.0 Changing Components© Baxi Heating UK Ltd 200814.6 Burner (Fig. 70) 1. Undo the screws securing the collector to the venturi andextension piece.

4Legislation© Baxi Heating UK Ltd 2008Codes of Practice - refer to the most recent versionIMPORTANT - Installation, Commissioning, Service & Repai

4014.0 Changing Components© Baxi Heating UK Ltd 200814.8 Flue/Heat Exchanger Thermostat Sensor (Fig. 72)1. Ease the retaining tab on the sensor away a

4114.0 Changing Components© Baxi Heating UK Ltd 200814.13 Pump - Head Only (Fig. 76)1. Drain the primary circuit and remove the socket headscrews secu

4214.0 Changing Components© Baxi Heating UK Ltd 200814.16 Pressure Gauge (Figs. 79 & 80) 1. Drain the primary circuit and undo the nut on the

4314.0 Changing Components© Baxi Heating UK Ltd 200814.18 P.C.B. (Fig. 82)1. Note the settings of the temperature control knobs,rotate them fully anti

4414.0 Changing Components© Baxi Heating UK Ltd 200814.20 Gas Valve (Fig. 84)IMPORTANT: After replacing the valve the CO2must bechecked and adjusted a

4515.0 Combustion Check© Baxi Heating UK Ltd 200815.1 Checking the CO2IMPORTANT: The CO2must be only be checked andadjusted if a suitable calibrated c

4616.0 Electrical© Baxi Heating UK Ltd 2008- brown- black- blue- whitebrbkbw- green- green / yellow- redgg/yr Control PCBX2X3X5011212 3344556789X112Ce

4717.0 Short Parts List© Baxi Heating UK Ltd 2008Short Parts ListKey G.C. Description ManufacturersNo. No. Part No.302 Flue Thermostat 5114747306 Burn

4818.0 Fault Finding© Baxi Heating UK Ltd 2008NOTE: When instructed to turn theselector to the reset position turn theselector switch fully anticlockw

4918.0 Fault Finding© Baxi Heating UK Ltd 2008Refer to Section 16.0 “Illustrated Wiring Diagram” for position of terminals and componentsCentral Heati

5Safe Manual Handling© Baxi Heating UK Ltd 2008GeneralThe following advice should be adhered to, from when first handling the boiler to the final stag

5018.0 Fault Finding© Baxi Heating UK Ltd 2008Fault Finding Solutions SectionsIs there 230V at:Is there 230V at:Main terminals L and N Check electrica

5118.0 Fault Finding© Baxi Heating UK Ltd 2008Temperature sensors faulty.Cold resistance approximately10kΩ @ 25° C (DHW and CH sensors)20kΩ @ 25° C (F

52© Baxi Heating UK Ltd 200818.0 Fault FindingCheck and correct if necessary1. The mechanical set of the gas valve(CO2 values - see instruction)2. Fla

5319.0 Notes© Baxi Heating UK Ltd 2008

1 11.0 Introduction© Baxi Heating UK Ltd 2008CONTROLS To comply with the Building Regulations, each section must have a tick in one or other of the bo

55SERVICE 1DATEENGINEER NAMECOMPANY NAMETEL No.CORGI ID CARD SERIAL No.COMMENTSSIGNATURESERVICE 2DATEENGINEER NAMECOMPANY NAMETEL No.CORGI ID CARD SER

© Baxi Heating UK Ltd 2008Comp No5131791 - Iss 1 - 4/08All descriptions and illustrations provided in this leaflet have been carefully preparedbut we

6© Baxi Heating UK Ltd 2008CONTENTS1.0 Introduction 72.0 General Layout 83.0 Appliance Operation 94.0 Technical Data 105.0 Dimensions and Fixings 116.

71.0 Introduction© Baxi Heating UK Ltd 20081.1 Description1. The Potterton Promax System HE Plus LPG is a fullyautomatic gas fired wall mounted conde

82.0 General Layout© Baxi Heating UK Ltd 20082.1 Layout1. Expansion Vessel2. Automatic Air Vent3. Circulation Pump4. Drain Off Point5. Pressure Relief

93.0 Appliance Operation© Baxi Heating UK Ltd 20083.1 Operating Mode (Fig. 2)1. With a demand for heating or hot water, the pumpcirculates water throu