Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to the inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow fan purge to complete (2 minutes).
Does the pressure gauge show an inlet pressure of at least 18mb (37mb for LPG) throughout the operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Does the pressure gauge show an inlet pressure of at least 18mb (37mb for LPG) throughout the operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary