Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Connect a U-gauge to the gas valve outlet pressure test point
(Upper of the two ports on the right hand side by the solenoid)
Set DHW flow rate at tap to approximately 4.5-5.0 l/min
(Upper of the two ports on the right hand side by the solenoid)
Set DHW flow rate at tap to approximately 4.5-5.0 l/min
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow boiler to ignite and heat up the DHW to approximately 55 °C.
Does the burner pressure reduce as water reaches temperature and
is the DHW temperature maintained at approximately 55 °C?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Does the burner pressure reduce as water reaches temperature and
is the DHW temperature maintained at approximately 55 °C?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary