Set Appliance State:
Mains Power Off
CH Demand
Room thermostat (if fitted) calling
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Boiler ON/OFF switch ON.
Allow boiler to ignite and run for central heating.
Is the appliance operation still noisy whilst running central heating?
Allow boiler to ignite and run for central heating.
Is the appliance operation still noisy whilst running central heating?
