Set Appliance State:
Mains Power Off
Boiler ON/OFF Switch OFF
CH Temperature Selector OFF
DHW Temperature Selector to Max
CH Temperature Selector OFF
DHW Temperature Selector to Max
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Boiler ON/OFF Switch ON.
Turn hot tap ON. Allow Burner to ignite and establish.
Turn hot tap OFF. Does the Burner shut down normally? (Burner off within 6 seconds)
Repeat the above operation.
Does burner shut down normally? (Burner off within 6 seconds).
Note: The Boiler has a safety function that checks the shut off operation of the Gas Valve. If one of the Gas Valves does not shut down correctly, then lockout will occur. This would give the fault of lockout occurring after alternate demands.
Turn hot tap ON. Allow Burner to ignite and establish.
Turn hot tap OFF. Does the Burner shut down normally? (Burner off within 6 seconds)
Repeat the above operation.
Does burner shut down normally? (Burner off within 6 seconds).
Note: The Boiler has a safety function that checks the shut off operation of the Gas Valve. If one of the Gas Valves does not shut down correctly, then lockout will occur. This would give the fault of lockout occurring after alternate demands.