Set Appliance State:
Mains Power Off
Ensure NO demands are present
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow self-check to complete.
Test 1.
Apply a DHW demand and allow boiler to run for 30 seconds, then remove DHW demand.
Pump overrun should run for approximately 10 - 12 seconds.
Test 2.
Apply a CH demand and allow boiler to run for a 30 seconds, then remove CH demand.
Pump overrun should run for approximately 10 - 12 seconds.
Does pump overrun operate correctly?
Note.
The boiler has a 45 second delay before re-ignition following the closing
of a tap and CH mode start (unless PCB dip switches have been adjusted).
Test 1.
Apply a DHW demand and allow boiler to run for 30 seconds, then remove DHW demand.
Pump overrun should run for approximately 10 - 12 seconds.
Test 2.
Apply a CH demand and allow boiler to run for a 30 seconds, then remove CH demand.
Pump overrun should run for approximately 10 - 12 seconds.
Does pump overrun operate correctly?
Note.
The boiler has a 45 second delay before re-ignition following the closing
of a tap and CH mode start (unless PCB dip switches have been adjusted).
Isolate as per TOPs P4
and refit as necessary