
The appliance operation light A will flash every 4 seconds. For long periods When you do not expect to use the boiler for a long period: 1 Switch the electricity supply off. 2 Shut off the gas supply cock and the valves for the water circuits fitted under the boiler. 3 If necessary, empty the water circuits. FROST PROTECTION This appliance is provided with a built in anti---freeze system that operates the boiler when the temperature is below 5 uC Therefore, when the boiler is not lit and used in