Users Instructions for Rayburn Heatranger 368K Central

file://\\server1\docs\NetCDs\Aga%20Product%20Information%20Spares%20and%20Tec...Page 6 of 826/10/2006Turn the cooker thermostat knob A to LOW which gives the lowest burning rate and will maintain an oventemperature of about 125°C (257°F). At a higher setting the oil consumption will be higher, but the main oven,hotplate and domestic hot water will all be hotter. Turn the cooker thermostat A to max setting in the morning toincrease the hotplate temperature and minimise the time to boil a kettle of water.The recommendations for the best use of the appliance are guidelines only and the respective setting of boilerand cooker thermostat knobs which suit your requirements will be apparent with experience.Cooking and Central Heating - Winter UseCooker Burner - Use as previously described.LIGHTING THE BOILER BURNERIf a programmer or clock control is fitted to the installation, read the control instructions before lighting the boiler.1. Ensure all oil valves are open and oil is in the oil control valve P.2. Depress the trip lever D on the front of the oil control valve P.3. Turn any time clock or programmer to ON and move any room temperature pointer to a higher setting.4. Switch ON the power supply and set the boiler thermostat knob H to a thermostat setting of 80°C (180°F) incold weather and 60°C (140°F) in mild weather. THE LIGHTING SEQUENCE WILL NOW COMMENCE.Lighting Sequence(i) Within 2 1 / 2minutes an ignited oil flame will be visible through the glass viewing window M.(ii) The flame will be confirmed and control passed to the boiler thermostat H until satisfied.(iii) The satisfied boiler thermostat will then shut-off the oil supply, but the fan remains energised on an overrunperiod of time 5-6 minutes and is then ready for the next cycle call.Boiler Lock-outShould this occur the boiler will cease to function and a lock-out light K will illuminate.WAIT 3 MINUTES, TURN THE BOILER THERMOSTAT KNOB H ‘OFF’ THEN ‘ON’.The lock-out light K will extinguish and the start-up cycle re-commence. Continued lock-out indicates amalfunction that requires qualified attention.6. Set any programmer or room thermostat to the required setting and the boiler burner will come ON and OFFautomatically upon heat demand.TO TURN THE BOILER OFFTurn OFF boiler thermostat H.To relight, turn the boiler thermostat knob H to the required setting.