Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Operating switch in Water position.
Temperature control to Max
Connect U gauge to burner pressure test point.
Temperature control to Max
Connect U gauge to burner pressure test point.
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Open hot water tap and ensure burner ignites at maximum gas pressure.
Run burner for several minutes until burner modulates. (Modulation stage will be reached sooner if water flow is reduced at hot tap.)
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Run burner for several minutes until burner modulates. (Modulation stage will be reached sooner if water flow is reduced at hot tap.)
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary