DIVERTER VALVE HEAD

Isolate Mains Power to appliance as per TOPs P4

Preheat selector to OFF position
Remove diverter valve head

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure

Mains Power On

Observe the diverter valve head spindle.

Open a hot water tap and check that the spindle of the diverter valve motor is fully retracted.

Close the hot tap and place a demand for central heating the spindle should now extend.

Note:
Do NOT hold diverter valve during test