STERLING FF
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1. 3 Set the selector switch A Fig 1 to the required position To the left for hot water only or to the right for hot water central heating When the selector switch is set on the hot water position the boiler will fire automatically when the hot water tap is open e If the selector switch is on hot water central heating position ensure that any ancillary controls and the boiler time switch are in demand position the boiler will fire automaticaly on central heating and hot water accordingly DUCTION OF HOT WA This boiler is designed to give hot water at constant temperature and is fitted with a water regulator screw S Fig 2 This regulator is adjusted and set at the time of installation by the installer HEATING The boiler is automatically self adjusting when on central heating It is normal for the boiler to stay alight for extended periods with flame height reduced The gas will be at high flame when the maximum output is required in cold weather or on start up When the appliance is connected to a vertical flue the temperature adjustment must not be set below the midway position TO TURN OFF THE BOILER Set the selector switch A to the centre position off 0 see fig 1 Tum off the electricity supply SECURITY FAULT If the red indicator L E D is alight wait for 1 minute then press on the manual reset button F Fig 1 The burner will relight Should the problem persist a fault is in2. STERLING FF Room Sealed Fanned Balanced Flue Combination Boiler FOR USE ON NATURAL GAS ONLY G 20 HOW YOUR COMBINATION BOILER WORKS AFETY INSTALLATION AND USE REGULATION In your own interest and that of safety it is the law that all gas appliances are installed by competent persons in accordance with the Gas Safety Installation and Use Regulations If the appliance is installed in a compartment do not obstruct any purpose provided ventilation openings and do not use for storage purposes The electrical supply connection must be made to a 240V 50Hz supply The appliance must be protected by a 3A fuse ifa 13A plug BS 1363 is used or any other type a 3A fuse must be fitted in the circuit TO CONNECT A PLUG As the colour coding of the wires in the mains feed of the appliance may not correspond with the colour making indentification of your plug proceed as follows the wire which is coloured green yellow must be connected to the terminal in the plug marked with the letter E or by the earth symbol or coloured green green yellow the wire which ts coloured blue must be connected to the terminal which is marked with the letter N or coloured black the wire which is coloured brown must be connected to the terminal marked L or coloured red TQ LIGHT THE BOILER 1 Switch on the electricity supply and ensure the gas see G Fig 2 is tumed on 2 Set boiler temperature to maximum see B Fig 1
3. TALLATION WITH A M TAT Set the control on the room thermostat to the desired temperature and this will automatically control the firing of the boiler to give the set room temperature TQ ISOLATE THE HEATING CIRCUIT DURING THE MER In some installations it is possible after the boiler has been operating continuously for a period providing hot water to get gavity circulation in the heating pipes It will be noticed that the pipes are getting hot and eventually the first radiator will heat up To avoid this isolate as follows Switch to hot water only and close the valve J Fig 2 on the heating flow Do not forget to open the valve at the start of the heating season when the selector is set to hot water central healing PRESSURE GAUGE Fig 1 This shows the water pressure in the central heating system When cold it should read no less than 8 bar This will increase as the system heats up A pressure relief valve will operate at 3 0 bar Your installer will be able to re pressurise the system if necessary SELECTOR SWITCH When set for hot water only to the left the boiler will only operate on demand for hot water When set for hot water central heating to right the boiler will supply your central heating requirements but will give priority to hot water demands The central heating supply will be temporarly interrupted when drawing hot water but thts will have no noticeable effect on the heating levels for normal quant
4. dicated Tum off and contact your installer or your local Chaffoteaux et Maury service center CLEANING The case surface of the boiler may be cleaned using soap water and a damp cloth or non abrasive cleaner ERVICING To ensure that the appliance continues to work efficiently and has a long life it is important that it is serviced annually by a competant person Ask your installer or Gas Region for details of a regular service scheme or contact your Chaffoteaux et Maury regional service center GAS LEAKS OR FAULTS If a gas leak or fault is suspected turn off the appliance and consult your local Gas Region or contact your local Chaffoteaux et Maury service center CLEARANCES These minimum clearances must be maintened for operation and servicing Top above air inlet duct 50mm 2in Sides 100mm 4in Bottom below case 150mm 6in Front 600mm 24in GUARANTEE Your STERLING domestic boller ts fully Guaranteed for a period of one year from the date of purchase Should a problem occur Chaffoteaux et Maury Limited wili supply and fit any component free of charge providing that the malfunction ts the result of faulty manufacture CONTROLS INSTALLATION WITHOUT A ROOM THERMOSTAT Set the boiler thermostat B Fig 1 as required depending on the desired room temperature To increase the heat turn to to reduce the heat turn to The temperature gauge indicates the temperature of the water going to the radiators INS
5. ities of hot water supply SERVICE RECORD Chaffoteaux et Maury Limited _ et Maury Trench Lock Trench Telford Shropshire TF1 4SZ Telephone Telford 0952 222727 Telefax 0952 243493 Looking Good Heating Better ESP306 Chaffoteaux Imp SH R f 92120 126 04 94
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