Set Appliance State:
Mains Power Off
Gas On; Pilot On
CH Demand
Boiler On/Off Switch OFF
CH Switch ON
DHW Switch in INSTANT position
CH Temperature Control in Maximum position
CH Switch ON
DHW Switch in INSTANT position
CH Temperature Control in Maximum position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Switch on the boiler ON/OFF switch while observing the pump flow valve spindle.
With the CH demand the pump flow valve spindle should fully extend and operate stage 1 of the gas valve.
With the CH demand the pump flow valve spindle should fully extend and operate stage 1 of the gas valve.
