Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
DHW temperature set to MAX
Attach pressure tube to positive connection on performance tester
Attach performance tester to gas valve outlet pressure test point
Attach pressure tube to positive connection on performance tester
Attach performance tester to gas valve outlet pressure test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow appliance to go through it's ignition sequence.
As the fan starts the pressure should be approximately - 4.0 to - 4.5mb, after 7 seconds this should reduce to 0.00 mb (gas valve opens).
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
As the fan starts the pressure should be approximately - 4.0 to - 4.5mb, after 7 seconds this should reduce to 0.00 mb (gas valve opens).
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.