Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature clamps to flow and return pipes as indicated by red arrows
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow boiler to operate for CH and system to begin to warm.
Measure the differential between the flow and return pipes.
Differential should be approximately 20°c or lower.
Notes:
1. To reduce time taken for this test you may wish to turn off some radiators.
2. Differential may be higher on initial demand.
Measure the differential between the flow and return pipes.
Differential should be approximately 20°c or lower.
Notes:
1. To reduce time taken for this test you may wish to turn off some radiators.
2. Differential may be higher on initial demand.
