Set Appliance State:
Set Multimeter to Resistance 
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Attach temperature clamp to CH flow pipe
(third pipe back from the front on LHS)
CH potentiometer set to MAX
Attach temperature clamp to CH flow pipe
(third pipe back from the front on LHS)
CH potentiometer set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire up and reach maximum temperature (approx. 82°C) or go to lockout
(some radiators may be turned off to reduce the time taken).
(some radiators may be turned off to reduce the time taken).
