Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Remove diverter valve head from the body
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to fire briefly in CH mode.
Press the diverter valve spindle with a screwdriver - it should push back to the fully retracted position.
Does the diverter valve spindle push in to the fully retracted position? (i.e. spindle fully retracted)
Note.
It may take approximately 40 seconds for the boiler to recognise a demand, this will depend upon the boiler status.
(Status code guidance CLICK HERE)
| Isolate Mains Power to appliance as per TOPs P4 |
Press the diverter valve spindle with a screwdriver - it should push back to the fully retracted position.
Does the diverter valve spindle push in to the fully retracted position? (i.e. spindle fully retracted)
Note.
It may take approximately 40 seconds for the boiler to recognise a demand, this will depend upon the boiler status.
(Status code guidance CLICK HERE)
Isolate as per TOPs P4
and refit as necessary