Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
Isolate the cold mains supply to the boiler.
Observation:
With the cold mains supply to the boiler isolated open the hot taps and once any residual water pressure has dissipated make sure the flow from the tap stops completely.
