Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Main switch in ON position
Hot Water Control Thermostat set to Maximum
Attach U-gauge to burner pressure test point
Hot Water Control Thermostat set to Maximum
Attach U-gauge to burner pressure test point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Burner pressure should be between 4.0 and 8.1 mbar.
Allow the boiler to heat up for at least 1 minute.
Slowly reduce the HW thermostat setting until a click is heard.
Burner pressure should fall to a minimum of 1.5 mbar.
Note: When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Allow the boiler to heat up for at least 1 minute.
Slowly reduce the HW thermostat setting until a click is heard.
Burner pressure should fall to a minimum of 1.5 mbar.
Note: When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
