DISCONNECT DHW FLOW SWITCH

Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4

Disconnect leads to the DHW flow switch & make safe
Ensure No demands

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

Mains Power On

Observation:

Does the display still show the DHW symbol after self-check & purge cycle has completed? (see note)

vk compact 25a din case off display down.gif

vk compact 25a din 29a j18797 dhw fls wires disc.jpg

Note.
1. The boiler will carry out a self-check & purge cycle (approx. 2 mins,15 seconds duration) every time the power is reinstated, any applied demands will not commence until self-check has completed, for information on how to cancel the purge cycle click HERE.
2. Reconnect electrical connector to flow switch, after test complete.