Set Appliance State:
Mains Power Off
Function selector in CH position
CH demand
CH demand
Selector Switch to Hot Water and Heating
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow boiler to fire an CH to run.
From underneath the appliance check compare the temperature of the bypass tube and the flow pipe.
Does the bypass tube get hotter than the flow pipe?
From underneath the appliance check compare the temperature of the bypass tube and the flow pipe.
Does the bypass tube get hotter than the flow pipe?
