Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Selector switch set to CH/DHW
CH temperature control set to MAX
Preheat switched OFF
Attach temperature clamps to external flow pipe and internal return pipe
CH temperature control set to MAX
Preheat switched OFF
Attach temperature clamps to external flow pipe and internal return pipe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow appliance to run for CH demand.
Does the return pipe show a higher temperature than the flow pipe?
Does the return pipe show a higher temperature than the flow pipe?
