Set Appliance State:
Mains Power Off
DHW Demand
Preheat OFF (ECO in Display)
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire on DHW and flame to establish.
Turn off DHW isolation valve under the appliance.
Observe the flame as the isolation valve is turned off.
Does it extinguish straight after (within 2 seconds) DHW isolated or does the burner show beads of gas still lit?
Turn off DHW isolation valve under the appliance.
Observe the flame as the isolation valve is turned off.
Does it extinguish straight after (within 2 seconds) DHW isolated or does the burner show beads of gas still lit?
