Set Appliance State:
Mains Power Off
CH Demand
ON/OFF switch in ON position
CH temp selector to MAX
DHW temp selector to MIN
Note:
Ensure DHW heat exchanger is cool (this can be achieved by running the DHW with the gas turned off)
CH temp selector to MAX
DHW temp selector to MIN
Note:
Ensure DHW heat exchanger is cool (this can be achieved by running the DHW with the gas turned off)
Gas On
| 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?
