Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Link out terminals 5 and 6 to the external controls and make safe
(right hand side of terminal block, refer to pictures)
Ensure appliance is set to WINTER mode - NO sun symbol in display
(Press reset button briefly to toggle sun symbol on and off)
(right hand side of terminal block, refer to pictures)
Ensure appliance is set to WINTER mode - NO sun symbol in display
(Press reset button briefly to toggle sun symbol on and off)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Does the boiler now recognise and respond to the
central heating demand?
Note:
If boiler still does not recognise demand, leave the link in place until diagnosis is complete.
central heating demand?
Note:
If boiler still does not recognise demand, leave the link in place until diagnosis is complete.
