Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gas Off
DHW Demand
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:
Press reset to cancel purge cycle countdown.
Allow fan to run and ignition sequence to commence.
Does the pressure gauge show a constant inlet pressure of approx 37 mb throughout the operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Allow fan to run and ignition sequence to commence.
Does the pressure gauge show a constant inlet pressure of approx 37 mb 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