Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Isolate DHW cold feed
Selector switch set to DHW/CH
Preheat switched OFF
DHW temperature set to MAX
Selector switch set to DHW/CH
Preheat switched OFF
DHW temperature set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Is D still displayed?
Note.
Isolation valve is fully closed when in the horizontal position.
Note.
Isolation valve is fully closed when in the horizontal position.