Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Slacken the upper test point screw of the Gas Valve and attach a U-gauge
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:
Reset appliance as necessary.
Allow fan to run and ignition sequence to commence.
Does sparking occur at the electrode tip?
Does the burner ignite with a pressure of 2.1mb +/- 0.2mb?
Allow fan to run and ignition sequence to commence.
Does sparking occur at the electrode tip?
Does the burner ignite with a pressure of 2.1mb +/- 0.2mb?
