Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Selector Switch to Hot Water and Heating
Set DHW temperature selector to MAX
Attach pressure gauge to the inlet pressure test point
Set DHW temperature selector to MAX
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:
Apply DHW demand.
Allow fan to run and ignition sequence to commence.
Does the pressure gauge show a satisfactory gas inlet pressure of at least 17 mbar (37mb for LPG) throughout the operation?
Note:
When pressure gauge is removed the pressure 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 satisfactory gas inlet pressure of at least 17 mbar (37mb for LPG) throughout the operation?
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