Set Appliance State:
Mains Power Off
DHW demand from programmer
DHW temperature selector to high setting
Ensure hot water storage vessel is calling for heat
DHW temperature selector to high setting
Ensure hot water storage vessel is calling for heat
CH temperature selector to Off position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Boiler On/Off switch On.
Reset lockout if necessary.
Does the combustion fan start to run?
Reset lockout if necessary.
Does the combustion fan start to run?