Set Appliance State:
On/Off Switch OFF
DHW Demand - Ensure Store is not up to Temperature
Isolate Mains Power to appliance as per TOPs P4
Move the diverter valve lever to the mid position - push lever
towards the back of the appliance with a downward pressure
on the lever and it should lock into the manual position
Disconnect connector J7 (diverter valve lead) from the PCB and make safe this is important to stop the valve from driving to the DHW position
Move the diverter valve lever to the mid position - push lever
towards the back of the appliance with a downward pressure
on the lever and it should lock into the manual position
Disconnect connector J7 (diverter valve lead) from the PCB and make safe this is important to stop the valve from driving to the DHW position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Appliance On/Off switch On.
Reset lockout as necessary.
Allow boiler to fire.
Does the bypass pipe heat to signify that the bypass is open?
Reset lockout as necessary.
Allow boiler to fire.
Does the bypass pipe heat to signify that the bypass is open?
Isolate as per TOPs P4
and refit as necessary