Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Selector Switch to Hot Water and Heating
Use the FGA temperature clamps to measure the temperature of the bypass pipe (A in diagram) and the flow pipe just after the isolation valve (B in diagram).
Use the FGA temperature clamps to measure the temperature of the bypass pipe (A in diagram) and the flow pipe just after the isolation valve (B in diagram).
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow boiler to fire and CH to run.
Compare the temperature of the bypass tube
and the flow pipe.
Does the bypass tube get hotter than the flow pipe?
Compare the temperature of the bypass tube
and the flow pipe.
Does the bypass tube get hotter than the flow pipe?
