Set Appliance State:
Mains Power Off
CH Demand
DHW Selector in Minimum (-) position
CH Selector in Maximum (+) position
ON/OFF Switch in ON position
DHW Selector in Minimum (-) position
CH Selector in Maximum (+) position
ON/OFF Switch in ON position
Ensure DHW heat exchanger is cool
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow boiler to fire and run for a few minutes.
Does the DHW Heat Exchanger remain cool?
Does the DHW Heat Exchanger remain cool?
