Set Appliance State:
Mains Power Off
Run hot water tap at flow rate of 3 l/min
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Ensure boiler set to DHW and CH mode - Radiator and Tap in display
(Press tap/radiator button to toggle modes)
Does the pump run?
Do not take noise or vibration as pump satisfactory.
Note:
If the vent plug is removed to ascertain if the pump is running take precautions to ensure the water discharged is safely contained.
(Press tap/radiator button to toggle modes)
Does the pump run?
Do not take noise or vibration as pump satisfactory.
Note:
If the vent plug is removed to ascertain if the pump is running take precautions to ensure the water discharged is safely contained.
Isolate as per TOPs P4
and refit as necessary