Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach U-gauge to outlet pressure test point on gas valve
DHW temperature selector set to Mid position
DHW temperature selector set to Mid position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Boiler ON/OFF switch ON.
Allow boiler to heat DHW to approximately 55 degrees C, reduce flow rate at tap to assist temperature rise if necessary.
Does burner pressure reduce as demand is met?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas tightness.
Allow boiler to heat DHW to approximately 55 degrees C, reduce flow rate at tap to assist temperature rise if necessary.
Does burner pressure reduce as demand is met?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary