Set Appliance State:
Mains Power Off
Gas Off
CH Demand
ON/OFF Switch in ON Position
CH Temp Selector in Max position
DHW Temp Selector in Min position
Mode Selector Switch in Heat and Hot water position
Ensure DHW heat exchanger is cool (this can be achieved by running the DHW with the gas turned off)
CH Temp Selector in Max position
DHW Temp Selector in Min position
Mode Selector Switch in Heat and Hot water position
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.
Does the DHW Heat Exchanger remain cool?
Does the DHW Heat Exchanger remain cool?
