Page 1: ...odel 1F G C 51 980 39 2F G C 51 980 40 from serial numbers 1F 195023764 2F 195020615 Celt Star BIF Installation and Servicing Instructions leave these instructions with the user The model no and serial no of this heater are on the data badge which is found hanging at the rear left hand side beneath the appliance These numbers should be used when ordering replacement parts CONFORMSWITH EUROPEANSTAN...
Page 2: ...as fired instantaneous water heater It is designed to deliver hot water through a swivel spout or a hot water tap at a sink or basin 1 F A remote model is also available 2 F This model is for use directly off the mains supply The appliance features an atmosphere sensing device which will turn off the gas supply to the pilot and burner when the oxygen in the atmosphere in the locality of the heater...
Page 3: ...nal allowance must be made for the resistance of the pipework and fittings 1 4 Minimum clearance required for fnstallatton and servicing Connections Water inlet Water outlet Gas Weight 15 mm copper 1 Fmodel Swivel Spout and or 15 mm copper 2 F model 15 mm copper 15 mm copper 8 2 kg Top Bottom Sides Front 600 mm 24 ins 50 mm 2ins 75 mm 3 ins 250 mm 10 ins 18 1 lb 1 5 This appliance is for use on Na...
Page 4: ...osition where the air supply is restricted or contaminated The location must also permit space for servicing and air circulation around the appliance An adequate sized gas meter must be connected to the service pipe Where necessary British Gas will arrange for the existing meter to be checked or for a suitable meter to be installed On no account must any work be carried out on the gas meter other ...
Page 5: ... Spire clips 2 No 12 wood screw and metal washer mounting bracket I 1 xcase 1 x 10 250 mm spout and washer 3 2 Preparing and fitting the appliance a b 4 4 4 4 Fit spire clips 2 bottom rear and 2 top rear Fit the bottom bracket to rear of chassis where the gas and water section spacer bracket is attached to the chassis Remove the two screws securing the spacer bracket and replace securing also the ...
Page 6: ...vided fig 4a 2Fmodel Fit the remote outlet bend using the fibre washer provided fig 4b The distance from the heater to the remote outlet should not exceed 20 feet The outlet must be located in the same room as the appliance Note A remote bend is available but not supplied as standard with the 1 F model This bend is fitted in place of the blanking disc fig 4a This enables the heater to feed a remot...
Page 7: ...e pressure is not correct check the pressure at the meter The gas installation should be examined for any possible blockage if the pres sure is not correct The heat input is pre set and non adjustable Turn off at the gas control knob remove pressure gauge replace the test point screw relight and check for gas soundness around the screw Remove screw on left hand side of combustion chamber to allow ...
Page 8: ...the thermocouple fig 7 Check with a BGC mutltimeter or suitable millivolt meter to determine the thermocouple output under two conditions a When operating normally output should be 3 mv or greater b When the deflector is masked the thermoelectric valve should close at 1 1 mv or greater 4 5 Handing over Hand the Instuctions for Use to the consumer and instruct in the correct and safe operation of t...
Page 9: ...ilot tube 2 Cleaning the heat exchanger and thermocouple 3 Checking the gas controls 4 Cleaning the water governor 5 Check diaphragm and replace every three years The following shedules are recommended a Before commencing any work turn off 1 the gas at the service cock 2 the water at the water service cock by turning clockwise l 4 turn and drain if necessan Check for gas escapes and water leaks af...
Page 10: ...ssis g Disconnect the thermocouple connection H at the gas control and manoeuvre the pilot bracket outwards h Lift the pilot bracket sufficient to withdraw the burner taking care not to loose the manifold gasket t Upon completion of servicing replace in reverse order making sure the gasket between the burner manifold and the gas section is in place and in good condition If necessary replace the ga...
Page 11: ...see fig 11 b Remove the deflector plate by sliding forwards c Disconnect joints at B by pulling off spring clips d Lift and slide heating body forwards e Reassemble in reverse order Periodically it may be necessary to remove scale deposits from the waterways of the appliance to ensure continued and efficient operation The frequency will depend largely on the hardness of the water Use a solution co...
Page 12: ...ing a silicon based grease c Check the spring loaded piston moves freely d Replace in reverse order Fig 12 Greasing of components Care should be taken during the annual service of an appliance to grease the diaphragmm spindle Use silicon grease 4 b a Remove water section six screws at base of gas section for additional information see Section 7 5 b Remove diaphragm c Remove diaphragm spindle d Rep...
Page 13: ...ssembly forwards see fig 13 e Remove screw C securing thermocouple and retaining plate see section 6 6 fig 9 f Remove thermocouple assembly g Replace in reverse order ensuring that the thermocouple is replaced in its purpose provided location a Disconnect thermocouple from thermoelectric valve A see fig 14 b Undo nut retaining the thermoelectric valve B c Lift out valve d Replace in reverse order ...
Page 14: ... seal e Remove and grease diaphragm spindle f Reassemble in reverse order Note Fit the governor last It is easier if the cold water connection is partially engaged before fitting the screws and connecting the union nuts Replace all washers Fig 17 a Disconnect the spark lead from the piezo unit cartridge b Remove the two screws A holding the retaining plate see fig 18 c Remove the piezo cartridge a...
Page 15: ... c Disconnect joints at junction where heating body joins heating body legs B see 6 8 d Remove heating body by lifting and sliding forwards e Undo nuts securing heating body legs to water section and remove legs f Remove the thermal switch C by pulling forwards from its support bracket g Ease sample tube from the pilot head h Remove brackets E which are retained by screws F onto burner manifold 1 ...
Page 16: ... secured by the top centre screw D on the burner manifold G e Remove the manifold G f Remove the two screws F which secure the burner to the chassis g Disconnect the thermocouple connection H at the gas control and manoeuvre the pilot bracket outwards h Lift the pilot bracket sufficient to withdraw the burner taking care not to loose the manifold gasket t Replace in reverse order making sure the g...
Page 17: ...ce in reverse order taking care that the manifold gasket is correctly positioned 7 16 Atmosphere sensing device THERMOCOUPLE ASSEMBLY a Remove thermocouple assembly see Section 7 1 b Remove thermal switch by pulling forwards out of support bracket A see Section 7 11 c Replace in reverse order 7 17 Pilot injector r a Remove thermal switch see Section 7 16 b Remove pilot tube see Section 7 12 c Remo...
Page 18: ... variable hr Gas pressure too high v Pilot flame incorrect vt Inadequate ventilation vtl Loose connection thermocouple thermoelectric valve ti Heat exchanger fins blocked Ix Pilot air tube obstructed x Thermal switch faulty Change thermocouple assembly Change valve Check at meter Check pressure at meter Check injector and pilot air tube For obstruction Remedy Tighten Clean Clean Change thermocoupl...
Page 19: ...on device stuck Purge line to eliminate dead leg Clean push rod and regrease Change valve facing Replace water stop cock or pin down jumper Vent or remove Clean water section Clean or replace see 7 14 Unstable flames 1 Water in gas line ti Inlet pressure too high for governor Drain and purge Check pressure at meter Heating body noise i Scale ti Overgassed Descale heating body Check burner meter pr...
Page 20: ... 11 5 l 5 263668 BLANKING DISC 262503 GAS SERVICE COCK 264725 GASKET 314 265086 GAS INLET BEND 265087 WASHER D 18 2 14 1 5 265088 MOUNTING BRACKET 264693 WOOD SCREW 366017 WASHER D 25 6 5 l 5 264694 SPACER BRACKET 264780 s 503 264701 264702 265060 263432 263375 262928 265079 265043 265046 265045 265044 265082 265083 366716 264688 264782 264756 262509 262584 264754 Chaffoteaux et Maury Limited Tren...
