Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to gas valve outlet pressure test point
Selector switch to DHW position
CH temperature selector to minimum
DHW Preheat selector to OFF position
Remove 1 wire from the modulating solenoid and make safe
Selector switch to DHW position
CH temperature selector to minimum
DHW Preheat selector to OFF position
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 2.5mb +/- 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 2.5mb +/- 0.2mb?
Note:
When pressure gauge is removed pressure test point should be tightened and checked for gas soundness.
