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Baxi Potterton Performa 24 Eco HE 28 , 10.4 Fitting The Boiler, 10.5 Fitting the Safety Pressure Relief Discharge Pipe (Fig. 33)

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10.0 Installation

28 © Baxi Heating UK Ltd 2009

10.4 Fitting The Boiler

1. Remove the sealing caps from the boiler connections.

NOTE:A small amount of water may drain from the

boiler once the caps are removed.

2. Lift the boiler as indicated by the shaded areas. The

boiler should be lifted by TWOPEOPLE. Engage the slots

at the top rear of the boiler on the wall plate (Fig. 35)

(see Safe Manual Handlingpage 5).

3. Insert the sealing washers between the valves and

pipes on the wall plate and the boiler connections. The

rubber washers must be used on the gas connection.

4. Tighten all the connections.

10.5 Fitting the Safety Pressure Relief Discharge Pipe (Fig. 33)

1. Remove the discharge pipe from the kit.

2. Determine the routing of the discharge pipe in the

vicinity of the boiler. Make up as much of the pipework as

is practical, including the discharge pipe supplied.

3. The pipework must be at least 15mm diameter and

run continuously downwards to a discharge point outside

the building. See section 6.7 for further details.

4. Utilising one of the sealing washers, connect the

discharge pipe to the adaptor and tighten the nut.

5. Complete the discharge pipework and route it to the

outside discharge point.

IMPORTANT:Make all soldered joints before

connecting to the safety pressure relief valve.

Fig. 33

Fig. 32

Pressure Relief Valve

Wall Plate

Discharge Pipe

Suggested Lifting Points

shown as shaded area

Contents

Main 2 Natural Gas Building Regulations and the Benchmark Commissioning Checklist Contents ISO 9001 FM 00866 Installer Notification Guidelines Legislation Codes of Practice, most recent version should be used IMPORTANT - Installation, Commissioning, Service & Repair Safe Manual Handling 1.1 Description 1.2 Contents of Pack 1.0 Introduction 2.0 General Layout 2.1 Layout 3.0 Appliance Operation 3.1 Central Heating Mode (Fig. 2) 3.2 Domestic Hot Water Mode (Fig. 3) 4.0 Technical Data Pump - Available Head 5.0 Dimensions and Fixings Dimensions 6.1 Information 6.2 Central Heating Circuit 6.3 Bypass 1. The boiler is fitted with an automatic integral bypass. 6.4 System Control 12 6.5 System Filling and Pressurising 6.6 Expansion Vessel (Central Heating only) 6.7 Safety Pressure Relief Valve (Fig. 6) 6.8 Domestic Hot Water Circuit (Fig. 7) 6.9 Showers 6.10 Hard Water Areas 14 7.1 Location 7.2 Clearances (Figs. 8 & 9) 7.3 Ventilation of Compartments 7.4 Gas Supply 7.5 Electrical Supply 16 7.6 Condensate Drain Termination to an internal soil and vent pipe External termination via internal discharge branch e.g sink waste - downstream External termination to a drain or gully External termination to a purpose made soak-away Page 18 Horizontal Flues This bend is equivalent to 1 metre Total equivalent length (up to 3m) = A+B+C+2x90Bends B AC This bend is equivalent to 1 metre 8.1 Horizontal Flue Systems The total equivalent length for this example is = 6.5 metres. Y B A C 20 8.3 Flue Accessories 8.4 Flue Duct Adaptor 8.5 Air duct adaptor 22 8.6 For Roof Terminals 8.7 Flue Dimensions 8.8 Flue Trim 8.9 Terminal Guard (Fig. 14) 9.1 Plume Displacement Kit (Fig. 14b) 24 X Y 9.2 Determining Permissible Lengths 50mm 30mm 9.3 General Fitting Notes 26 9.3 General Fitting Notes (cont.) 30mm 70 10.1 Initial Preparation 10.2 Flushing 10.3 Preparing The Boiler 28 10.4 Fitting The Boiler 10.5 Fitting the Safety Pressure Relief Discharge Pipe (Fig. 33) 10.6 Condensate Drain (see section 7.6) 10.7 Fitting The Flue 30 10.7 Fitting the Flue (Cont) 10.8 Making The Electrical Connections 10.9 Preliminary Electrical Checks 11.0 Commissioning the Boiler 32 11.1 Commissioning the Boiler 11.0 Commissioning the Boiler 11.2 Checking the Burner Pressure 12.0 Completion 34 12.1 Completion 13.0 Servicing the Boiler 13 .1 Annual Servicing 13.0 Servicing the Boiler 36 13.1 Annual Servicing (Cont) 14.1 Fan (Figs. 62 & 63) 14.2 Pressure Switch (Fig. 61) 38 14.3 Heat Exchanger (Fig. 64) 14.4 Burner (Fig. 65) 14.5 Injectors (Fig. 66) 14.6 Electrodes (Fig. 66) 13.8 14.7 Insulation (Fig. 67) 40 14.8 Gas Valve (Fig. 68) 14.9 Temperature Sensor (Fig. 69) 14.10 Safety Thermostat (Fig. 69) 14.11 Pump - Head Only (Fig. 71) 14.12 Pump - Complete (Fig. 73) 14.13 Automatic Air Vent (Fig. 73) 42 14.14 Pressure Gauge (Figs. 74 & 75) 14.15 Expansion Vessel (Fig. 76) 14.16 Condensate Trap (Fig. 77) 14.17 Pressure Relief Valve (Fig. 78) 14.18 P.C.B. (Fig. 80) 14.19 Selector Switch (Fig. 80) 44 14.20 Plate Heat Exchanger (Fig. 67) 14.21 Diverter Valve Assembly (Figs. 82 & 83) 14.21 Diverter Valve Assembly (Cont) 14.22 Flow Regulator (Figs. 85 & 86) 46 14.23 Secondary Heat Exchanger (Fig. 87) 14.24 Flue Overheat Thermostat (Fig. 88) 15.0 Illustrated Wiring Diagram Control PCB br - brown bk - black b - blue r - red y - yellow g/y- green / yellow w - white gr - grey Page Page Fault Finding Solutions Sections A to F A B F D C G Fault Finding Solutions Sections G to L H K I A B E C D 18.0 Short Parts List GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS ALL SYSTEMS CENTRAL HEATING MODE COMBINATION BOILERS ONLY SERVICE RECORD Service Provider SERVICE 1 SERVICE 3 SERVICE 5