Installation and Servicing InstructionsPlease leave these instructions with the userPromax 15 HE & 24 HEWall Mounted Powered Flue Condensing Boile
6.0 System Details106.3 Pipework1. The sizes of flow and return pipes from theboiler should be determined by normal methods,according to the requireme
6.0 System Details116.7 Sealed Systems (Fig. 11)1. SAFETY VALVE - A safety valve complyingwith the requirements of BS 6750 Part 1 must befitted close
7.0 Site Requirements127.1 InformationWARNING - Check the information on the dataplate is compatible with local supply conditions.1. The installation
7.0 Site Requirements137.5 Ventilation of Compartments (Fig. 14)1. Where the boiler is installed in a cupboard orcompartment, no air vents are require
7.0 Site Requirements147.9 FlueNOTE: Due to the nature of the boiler a plumeof water vapour will be discharged from theflue. This should be taken into
7.0 Site Requirements157.10 Flue DimensionsSee Section 1.2. The standard horizontal flue kitallows for flue lengths between 270mm (105/8”)and 800mm (3
7.0 Site Requirement16Key Accessory Size Baxi CodeNumberConcentric Flue System 110mm diameterA Straight extension kit 1000mm 241695500mm 241694250mm 2
8.0 Installation17Check Site Requirements (section 7) beforecommencing.8.1 Initial PreparationThe gas supply, gas type and pressure mustbe checked for
8.0 Installation188.2 Preparing The Boiler1. Remove the outer carton.2. Remove the internal packaging.3. Lift the outercase upwards and remove (Fig. 2
8.0 Installation198.3 Fitting The Boiler (Fig. 24)1. Remove the screw and retaining bracket fromthe wall plate spring clip.2. Offer up the boiler to t
2Natural GasPotterton Promax 15 HEG.C.No41 590 58Potterton Promax 24 HEG.C.No41 590 62The boiler meets the requirements of StatutoryInstrument “ The B
8.0 Installation208.6 Making the Gas Connection1. Connect the gas supply to the RC1/2(1/2in BSPTinternal) gas tap located on the lower right side ofth
8.0 Installation218.7 Fitting the Flue (Cont)6. Ensure the inner flue support bracket ispositioned in the flue (Fig. 28).7. Engage the flue into the f
8.0 Installation228.8 Making The Electrical ConnectionsWARNING: This appliance must be earthed1. The electrical connections are on the right handside
9.0 Electrical239.1 Schematic Wiring DiagramKey To Wiring Colours b - Bluebk - Blackw - Whitebr - Brownv - Violetr - Redg - Greeng/y- Green/Yellowy -
9.0 Electrical24Wiring Keyb - Bluebk - Blackbr - Brownr - Redw - Whiteg/y - Green/Yellowv - Violety - Yellowo - Orange9.2 Illustrated Wiring DiagramIg
10.0 Commissioning the Boiler2510.1 Commissioning the Boiler1. Reference should be made to BS 5449Section 5 when commissioning the boiler. 2. Flush th
11.0 Fitting the Outer Case2611.1 Fitting The Outer Case1. Position the outercase over the boilerengaging the lugs in the side flanges over thehooks o
12.0 Servicing the Boiler2712.1 Annual ServicingIMPORTANT: When servicing ensure that both thegas and electrical supplies to the boiler are isolatedbe
12.0 Servicing the Boiler2812.1 Annual Servicing (Cont)NOTE: General cleaning can beundertaken using a vacuum. Howeverdebris should only be gently blo
13.0 Changing Components2913.1 Changing ComponentsIMPORTANT: When changing componentsensure that both the gas and electricalsupplies to the boiler are
31.0 Introduction 42.0 General Layout 53.0 Appliance Operation 64.0 Technical Data 75.0 Dimensions and Fixings 86.0 System Details 97.0 Site Requireme
13.0 Changing Components3013.3 Flowswitch (Fig. 47)1. Drain the boiler (see Section 13.1 paragraph 2 & 3).2. Disconnect pipework, loosen elbow loc
13.0 Changing Components31The control and ignition boards can beaccessed on the removal of the mainelectrical box cover.1. Remove the two screws secur
13.0 Changing Components32The fan and venturi, gas valve, injector pipe,condensate trap, fan protection sensor, sparkand sensing electrodes can be acc
13.0 Changing Components33The removal of the fan is necessary to enablethe changing of the injector pipe, condensatetrap and gas valve (see section 13
13.0 Changing Components34The burner and heat exchanger can bechanged after removal of the combustion boxdoor. To change the heat exchanger, the fanan
13.0 Changing Components35Combustion Box BaseCentral Insulation PanelSupport BracketBurner13.14 Heat Exchanger Lower Insulation Pad (Fig. 62)1. Remove
14.0 Short Parts List36Short Parts ListKey G.C. Description ManufacturersNo. No. Part No.1 E06 058 Flow TemperatureThermistor (Red) 2406702 E06 059 Fl
Switch On/Off switch on.NOYESIs On/Off switchOn ?15.0 Fault Finding37Does the fan run ?Is 230VP/F to N for 5 secondsevery 3 minutes ?Go to NO SWITCHED
15.0 Fault Finding38Is boiler supply fuse OK ?Is there230 V at mainsinput terminalblock (A) ?Is there 230 V at control PCB transformermains connection
15.0 Fault Finding39Replace safetythermostat (black)Replace fanprotection thermostat.Replace flowtemperaturethermistor (red)Is combustion box doorseal
Potterton declare that no substances harmful tohealth are contained in the appliance or usedduring appliance manufacture.NOTE: This appliance must be
15.0 Fault Finding40Reset lockout,does fan run ?Check for shortcircuits on ignitionPCB and gas valveif OK replace fuse.Is there no spark andno gas (ch
15.0 Fault Finding41Fill system andswitch pump on.Replace control PCB.Replace flow switch.Remove blockage.Is there water in systemand pump on ?Is flow
16.0 Notes42
43Baxi UK Limited manufacture a comprehensive rangeof products for the domestic heating market.Gas Central Heating Boilers(Wall, Floor and Fireside mo
Potterton, Baxi UK Limited, Brownedge Road, Bamber Bridge, Preston, Lancashire. PR5 6SNAfter Sales Service 08706 096 096 Technical Enquiries 08706
2.0 General Layout52.1 Layout (Figs. 3,4 & 5)1. Wall Plate2. Flue Elbow3. Heat Exchanger4. Burner5. Air Box6. Fan Protection Thermostat7. Fan Asse
3.0 Appliance Operation63.11. Switched Live On: When the switched liveswitches on pump overrun occurs.2. Pump Overrun: The pump is on while the fan,sp
Appliance Category CAT I2H4.0 Technical Data7HorizontalFlue Terminal Diameter 110mmDimensions Projection 150mmOutercase DimensionsOverall Height Inc F
5.0 Dimensions and Fixings8DIMENSIONSA 600mmB 320mmC 390mmD 125mm Ø Min.E 150mmF 125mmSIDE FLUE (left and right)For every 1m of horizontal fluelength,
6.0 System Details96.1 Water Circulating Systems1. The appliance is suitable for use with open ventfully pumped systems and sealed systems .The follow
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