Set Appliance State:
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Test 1.
Open a hot water tap, allow the boiler to run for a while then turn off hot water tap.
Pump should overrun for approximately 60 seconds.
Test 2.
Apply a CH demand, allow the boiler to run until system starts to warm, then remove CH demand.
Pump should overrun for approximately 3 minutes?
Open a hot water tap, allow the boiler to run for a while then turn off hot water tap.
Pump should overrun for approximately 60 seconds.
Test 2.
Apply a CH demand, allow the boiler to run until system starts to warm, then remove CH demand.
Pump should overrun for approximately 3 minutes?
Isolate as per TOPs P4
and refit as necessary