Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach U gauge to burner pressure test point
Remove the one lead from the modulating coil
Remove the one lead from the modulating coil
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Measure the low gas pressure it should be approximately 2.0mb.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
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