Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Mode Selector Switch to C/H position.
C/H Temperature Control to Max.
Connect U-gauge to Gas Valve outlet.
C/H Temperature Control to Max.
Connect U-gauge to Gas Valve outlet.
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
When Burner ignites, gas pressure will rise from a min of 1.7 mbar up to a max of approximately 11 mbar.
After approximately 2 minutes slowly reduce the C/H Temperature control setting.
Burner pressure should reduce as control is turned down.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
After approximately 2 minutes slowly reduce the C/H Temperature control setting.
Burner pressure should reduce as control is turned down.
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