Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach U-gauge to gas valve outlet pressure test point
Selector switch to DHW position
CH temperature selector to minimum
DHW temperature selector to maximum
Remove 1 wire from the modulating solenoid and make safe
Selector switch to DHW position
CH temperature selector to minimum
DHW temperature selector to maximum
Remove 1 wire from the modulating solenoid and make safe
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and ignition sequence to commence.
Does sparking occur at the electrode tip?
Does the burner ignite with a pressure of 1.8mb +/- 0.2mb?
Note: When pressure gauge is removed pressure test point should be tightened and checked for gas soundness.
Does sparking occur at the electrode tip?
Does the burner ignite with a pressure of 1.8mb +/- 0.2mb?
Note: When pressure gauge is removed pressure test point should be tightened and checked for gas soundness.
