Set Appliance State:
Mains Power Off
Gas On; Pilot On
Turn Hot Water Tap On
Boiler On/Off Switch ON
CH Switch OFF
DHW Switch in INSTANT position
Connect a U-gauge to the burner pressure test point
CH Switch OFF
DHW Switch in INSTANT position
Connect a U-gauge to the burner pressure test point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Does the U-gauge indicate approximately 9.0mb gas pressure and does burner fail to light correctly?
