Set Appliance State:
Mains Power Off
CH Demand
Ensure boiler is set to ECO mode
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Test 1:
Allow the boiler to run until system starts to warm, then remove CH demand.
Does the pump overrun for approximately 3 minutes?
Test 2:
Turn on HW tap and allow boiler to ignite.
Turn off HW tap.
Does the pump overrun? Typical overrun times are approximately 10-15 seconds.
Note:
To accurately time the HW overrun you may wish to use the DHW isolation to turn the tap off.
Pump CH overrun can be set between 3 and 30 minutes. Click here for more information.
Allow the boiler to run until system starts to warm, then remove CH demand.
Does the pump overrun for approximately 3 minutes?
Test 2:
Turn on HW tap and allow boiler to ignite.
Turn off HW tap.
Does the pump overrun? Typical overrun times are approximately 10-15 seconds.
Note:
To accurately time the HW overrun you may wish to use the DHW isolation to turn the tap off.
Pump CH overrun can be set between 3 and 30 minutes. Click here for more information.