Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
DHW temperature set to MAX
Attach pressure gauge to the inlet pressure test point
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 to run and ignition sequence to commence.
Does the pressure gauge show a minimum inlet pressure of
18 mb throughout the operation.
Note:
When "U" gauge is remove test point should be tightened
and checked for gas tightness
Does the pressure gauge show a minimum inlet pressure of
18 mb throughout the operation.
Note:
When "U" gauge is remove test point should be tightened
and checked for gas tightness
Isolate as per TOPs P4
and refit as necessary