Set Appliance State:
On/Off Switch OFF
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
DHW temperature control set to maximum
Attach pressure gauge to burner pressure test point
DHW temperature control set to maximum
Attach pressure gauge to burner pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Appliance On/Off control set to On position.
Reset lockout as necessary.
Allow the fan to run and ignition sequence to commence.
With a DHW demand is the burner pressure at least 3.1 mbar?
Note:
When pressure gauge is removed pressure test point should be tightened and checked for gas soundness.
Reset lockout as necessary.
Allow the fan to run and ignition sequence to commence.
With a DHW demand is the burner pressure at least 3.1 mbar?
Note:
When pressure gauge is removed pressure test point should be tightened and checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary