Set Appliance State:
Mains Power Off
CH Demand
Boiler CH Thermostat set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the appliance to complete its self-check.
Does appliance respond to a CH demand?
(indicated by the pump starting to run again)
Notes:
1. Boiler will take approximately 45 seconds after power on before responding to the CH demand.
2. The pump can be very quiet so it may be necessary to confirm by gently pressing on the centre screw until it makes contact with the impeller (if it is running a grinding noise will be heard).
Does appliance respond to a CH demand?
(indicated by the pump starting to run again)
Notes:
1. Boiler will take approximately 45 seconds after power on before responding to the CH demand.
2. The pump can be very quiet so it may be necessary to confirm by gently pressing on the centre screw until it makes contact with the impeller (if it is running a grinding noise will be heard).
