Set Appliance State:
Mains Power Off
Gas On; Pilot On
CH Demand
Rotary Switch in CH and DHW position
CH Operative Thermostat adjusted to Maximum
Keep Boiler Case Switch depressed
CH Operative Thermostat adjusted to Maximum
Keep Boiler Case Switch depressed
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Operate the boiler in its CH mode.
Does the water system pressure rise excessively?
Does the water system pressure rise excessively?
