Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach FGA / U-gauge to burner pressure test point
Run the hot water tap with a flow rate of approximately 5 l/min
Run the hot water tap with a flow rate of approximately 5 l/min
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Monitor the burner pressure.
As the appliance reaches the DHW temperature set on the boilers
thermostat does it begin to modulate (burner pressure reduce)?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
As the appliance reaches the DHW temperature set on the boilers
thermostat does it begin to modulate (burner pressure reduce)?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary