Set Appliance State:
Mains Power Off
CH Demand
Heating temperature selector to maximum
Hot water temperature selector to OFF
Hot water temperature selector to OFF
Gas On; Pilot On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire.
Does the temperature of the CH flow pipe increase signifying the diverter valve has opened?
Does the temperature of the CH flow pipe increase signifying the diverter valve has opened?