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