Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Mode Selector Switch to DHW position
HW Temperature Control to Max.
C/H Temperature control should be turned to max.
Connect U-gauge to Gas Valve outlet.
HW Temperature Control to Max.
C/H Temperature control should be turned to max.
Connect U-gauge to Gas Valve outlet.
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Burner pressure should be at a maximum, approx 11.2 mbar.
After allowing boiler to heat up for at least 1 minute, slowly reduce the HW 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 allowing boiler to heat up for at least 1 minute, slowly reduce the HW 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.
