Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to the inlet pressure test point
Remove the diverter valve motor
Remove the diverter valve motor
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Open the tap fully to ensure appliance operates at the maximum output possible.
Measure the gas inlet pressure does it remain constant and above a minimum of 17mb?
Notes:
1. Do not refit the diverter valve motor after this test.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Measure the gas inlet pressure does it remain constant and above a minimum of 17mb?
Notes:
1. Do not refit the diverter valve motor after this test.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
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Isolate as per TOPs P4
and refit as necessary