Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Function selector in standby position
Attach pressure gauge to outlet test point
Hot water tap On
Attach pressure gauge to outlet test point
Hot water tap On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Turn function selector to DHW position.
Allow fan to start.
Does pressure gauge show a pressure of approx 2.5mb, which then dips to about zero after around 5 seconds for a short time? It will then rise again to 2.5mb.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Allow fan to start.
Does pressure gauge show a pressure of approx 2.5mb, which then dips to about zero after around 5 seconds for a short time? It will then rise again to 2.5mb.
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