Worcester 240 Combi BF User Operating Instructions

WALL MOUNTED COMBINATION BOILER FOR CENTRAL HEATING AND MAINS FED DOMESTIC HOT WATER USERS OPERATING INSTRUCTIONS IMPORTANT: THIS APPLIANCE IS FOR USE WITH NATURAL GAS ONLY THESE INSTRUCTIONS APPLY IN THE UK ONLY THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER OR AT THE GAS METER ...

domestic hot water plus central heating at outputs between 9.2 and 24 kW. HOT WATER PROVISION When a tap is turned on, hot water will become available in a continuous supply at a constant temperature, after a short delay, depending on when the appliance was last fired. CENTRAL HEATING PROVISION When a demand is made for central heating the burner will light and the appliance automatically match output to the system load. If the system requires less than 9.2 kW, the burner will light only periodically to maintain system temperature. CENTRAL HEATING AND HOT WATER PROVISION Hot water will take ...

HEATING & WATER ee Operating Switch (or programmer) Sightglass (behind front panel) ::. .r ~ORCESTER 240 System Pressure Gauge min TEMPERATURE max Central Heating Temperature Control Knob Central Heating Flow Central Heating Return Domestic Hot Water Out Gas Service Cock VENTILATION Ventilation openings provided by the installer in a wall or door must not be blocked. FLUE TERMINAL The flue terminal must not be obstructed or damaged. OPEN INSTALLATION Do not place any combustible material on or around the appliance. CUPBOARD INSTALLATION Balanced Flue Appliances Only If the appliance is ...

The appliance has been designed to overcome scale accumulation in most normal conditions. However, in exceptionally hard water areas a descaler can be fitted to assist in the prevention of scale formation. ROOM THERMOSTAT A room thermostat, suitable for mains voltage, should be fitted for improved control of the room temperature. THERMOSTATIC RADIATOR VALVES Thermostatic radiator valves fitted to your central heating system must conform to 8527 6 7.1 0. SHOWERS, BIDETS, TAPS AND MIXING VALVES Taps and mixing valves must be suitable for operating at mains pressure. Thermostatically controlled or pressure equalising shower valves ...