Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach U-gauge to burner pressure test point
Heating temperature selector to MAX
Programmer or selector switch set to heating and hot water
Hot water temperature selector to OFF
Heating temperature selector to MAX
Programmer or selector switch set to heating and hot water
Hot water temperature selector to OFF
Gas On; Pilot On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Observe the U-gauge.
Is the boiler correctly range rated for the size and design of the heating system?
Notes:
1. Refer to manufacturer's instructions for more information on correctly range rating appliance.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Is the boiler correctly range rated for the size and design of the heating system?
Notes:
1. Refer to manufacturer's instructions for more information on correctly range rating appliance.
2. 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