Set Appliance State:
Mains Power Off
Gas On; Pilot On
Turn Hot Water Tap On
Rotary Switch in DHW position
DHW Control adjusted to Maximum
Attach a U-gauge to the burner pressure test point
Keep Boiler Case Switch depressed
DHW Control adjusted to Maximum
Attach a U-gauge to the burner pressure test point
Keep Boiler Case Switch depressed
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
A positive burner gas pressure should be observed on the U-gauge.
Note:
When U-gauge is removed pressure nipple should be tightened & checked for gas soundness.
Note:
When U-gauge is removed pressure nipple should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary