Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature probes to the flow and return pipes as indicated
CH Temperature Selector set to MAX
CH Temperature Selector set to MAX
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance as necessary.
Allow the burner to light and establish.
Once the return pipe begins to heat monitor the temperature differential between the flow and return pipes.
The differential should be approximately 20°C or lower.
Note:
To reduce the time taken for this test you
may wish to turn off some radiators.
Allow the burner to light and establish.
Once the return pipe begins to heat monitor the temperature differential between the flow and return pipes.
The differential should be approximately 20°C or lower.
Note:
To reduce the time taken for this test you
may wish to turn off some radiators.
