O Potterson CF 20/35 Installation And Servicing Instrucnions Download Page 4 | Manualshive

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Summary of Contents for CF 20/35

Page 1: ...Gas Fired Boiler THIS APPLIANCE IS FOR USE WITH NATURAL GAS ONLY Installation and Servicing Instructions LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER Page 1 Page 2 FLAMINGO CF 20 35 G C No 41 60...

Page 2: ...LIST OF CONTENTS Page No General 3 Accessories 3 Installation Data 3 Boiler Dimensions 4 Site Requirements 6 Technical Data 7 Installation Instructions 12 Commissioning 16 Servicing Instructions 19 Co...

Page 3: ...PMV3 INSTALLATION DATA The installation of the boiler must be in accordance with the latest relevant req uirements of the Gas Safety Installation and Use Regulations 1984 local buil ding regulations...

Page 4: ......

Page 5: ...Page 4 INSTALLATION DATA Page 5 FIG 2 GENERAL ARRANGEMENT...

Page 6: ...Page 5...

Page 7: ...f combustible mater ial and must be sufficiently robust to take the weight of the boiler The require ments of the localauthorities and the Building Regulations must be adhered to IMPORTANT NOTICE TIMB...

Page 8: ...on of the draught diverter Further details for installation of a boiler within a compartment are given in BS 6798 1987 2 Ventilation of Rooms containing Gas Boilers The ventilation of the room contain...

Page 9: ...ce to air flow Page 6 SITE REQUIREMENTS Page 7 FLUE A 100mm 4 in internal diameter flue must be connected to this appliance to e vacuate the products of combustion from the boiler The flue connecting...

Page 10: ...LY A 240V 50 Hz single phase electricity supply fused at 3A must be provided in accordance with the latest edition of the I E E wiring regulations and any ot her localregulations that may apply The cu...

Page 11: ...n BSP Female Water Content 6 5 litres 1 43 gal Appliance weight installed 56 kg 124 lbs Appliance weight lift 50 kg 110 lbs Page 7 TECHNICAL DATA Page 8 BOILER SIZE INJECTOR SIZE GAS RATE INPUT OUTPUT...

Page 12: ...o account The pumpmay be fitted on either the flow or return and MUST be wired directly to the boiler terminal block when fitted to a fully pump ed system It must be fitted with two isolating valveswh...

Page 13: ...t is important that where electrically operated zone valves are used the boiler is wired so that it d oes not cyclewhen the zone valves are closed Also systems fitted with control s that close both ho...

Page 14: ...oper atedthermostatic control valves must be fitted with a bypass circuit capable of 1 Dissipating a minimum of 1 kW 3400 Btu h 2 Maintaining a water flow through the boiler of 9 litres mm 2 gal min A...

Page 15: ...ve the expansion vessel To size the expansionvessel it is first necessary to calculate the volume of water in the sy stem in litres The following volumes may be used as a conservative guide to calcula...

Page 16: ...a non return valve either to the system on the returnside of hot water cylinder or the return side of all heat emitters or ii where access to a make up vessel would be difficult by using the mains to...

Page 17: ...FIG 4 OPEN VENTED FULLY PUMPED SYSTEM FITTED WITH A COMBIN ED FEED AND VENT Page 10 TECHNICAL DATA Page 11...

Page 18: ...FIG 5 FULLY PUMPED SEALED SYSTEM FIG 6 OPEN VENTED GRAVITY DOMESTIC HOT WATER AND PUMPED CENTRAL HEATING SYSTEM...

Page 19: ...aining Case Support Plate Installation and Servicing Instructions Boiler Mounting Bracket User s Instructions Polythene Bag containing Control Systems Pipework and WiringGuide Injector Tee Template Ad...

Page 20: ...e dotted line on template vertically and measure out 160mm from rear wall asillustrated FIG 8 BOILER MOUNTING PLATE Remove template and drill holes A using a 7mm drill Drill holes B using a 5mm drill...

Page 21: ...in the wall Secure boiler to wall using the screws from accessory pack B Undo the two nuts securing the front transportation foot Discard foot and nuts Make the flue connection to the boiler draught...

Page 22: ...gravity circuit This must be conn ected to theboiler as shown in FIG 10a The gravity circuit should be installed using 28mm copper pipe with the flow increased to 28mm as close to the boile r connecti...

Page 23: ...edges and hot surfaces Ensure that the earth conductor is longer than the L N and SwL from the poin t of anchorage so that the current carrying conductors become taut before the earth conductor if th...

Page 24: ...nals asfollows Permanent live to terminal marked MAINS L Neutral to terminal marked MAINS N Earth to terminal marked MAINS Switched live from external controls to terminal marked MAINS SwL If there ar...

Page 25: ...the cable clamp as illustrated in FIG 13 Connect the cable to the boile r input terminalsas follows Switched live on the GRAVITY DHW control circuit to terminal marked MAINS SwL Neutral to terminal m...

Page 26: ...ove pump and flush out the system thoroughly with c old water Re fit the pump Fill and vent the system until the pressure gauge registers 1 5 ba r 21 5 lbf in examine for leaks Raise the pressure unti...

Page 27: ...e control knob and pressthe spark generator button un til a click is heard Release the spark generator button and repeat operation u ntil the pilot ignites See FIGS 2 and 16 Hold in the control knob f...

Page 28: ...tained and this should be checked by meter readin g 10 minutesafter the main burner has been lit E Shut down the boiler remove the pressure gauge Replace the screwed cap and refit the screw in the tes...

Page 29: ...cause the thermocouple toglow bright red FI G 17 illustrates the approximate size of a correct flame The E M F generate d by the thermocouple should be of the order of 20 30 mV open circuit 10 14mV cl...

Page 30: ...ll require manually re setting and the pilot re lighting if an overheat condition occurs The re set buttoncan be found on the right hand side of the control panel See FIG 2 Gas Control Valve 1 Main So...

Page 31: ...from accessory pack C Page 17 COMMISSIONING Page 18 FIG 18 FITTING BOILER CASE User s Instructions A user s instruction leaflet is provided with this boiler but the householder mus t have the operati...

Page 32: ...luding radi ator valves thermostats the time control and the expansion and feed water sy stem It is advisable to clean the boiler immediately after the end of the heatin g season In all cases prior to...

Page 33: ...try of the burner venturi G Remove the main burner injector and ensure the orifice is clean H PILOT BURNER The following operations are only necessary if the pilot flame is distorted or th e wrong siz...

Page 34: ...L ASSEMBLY FIG 20 DRAUGHT DIVERTER AND FLUE BAFFLE ASSEMBLY 3 HEAT EXCHANGER A Remove the four securing screws and withdraw the inner draught diverter ass embly from the mouth of the draught diverter...

Page 35: ...br acket Ensure also that the sealing gasket beneath the burner mounting flange is correctly positioned and a good seal obtained Secure the assembly with tw o screws See FIG 19 B Re connect the two bl...

Page 36: ...ling gaskets f Lift burner away from the gas control valve while feeding the thermocouple l ead electrode lead and pilot tube through the holes in the burner mounting fla nge g Remove the rear locking...

Page 37: ...f Slide the blue wire with its plastic insulating boot from the thermocouple con nection point at the rear of the gas control Disconnect the black thermocouple interrupter wirefrom the blue overheat t...

Page 38: ...uple lead through grommet in burner mounting flange noting th e route the leadtakes so that the replacement can be routed in a similar mann er to eliminate sharp bends d Replacement is the reverse of...

Page 39: ...e instructions PILOT VIEWING WINDOW a Switch off the external electricity supply by disconnecting the plug at the so cket or switching off external isolating switch b Remove boiler case and combustion...

Page 40: ...ERVICING INSTRUCTIONS Page 23 BOILER THERMOSTAT a Switch off the external electricity supply by disconnecting the plug at the so cket or switching off external isolating switch b Remove boiler case as...

Page 41: ...h its spacer from the pocket Remove capillary from its routing clips See FIG 2 g Replacement is the reverse of removal Ensure that the spacer is correctly positioned to retain the thermostat bulb in t...

Page 42: ...7693 382 887 9 Boiler thermostat RANCO 404496 381 839 10 Overheat thermostat RANCO 404492 381 753 11 Boiler thermostat knob 214239 337 629 12 Flue brush optional extra 212154 337 526 13 Main Burner Ga...

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