Set Appliance State:
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
DHW temperature control on MAX
Attach U-gauge to burner pressure test point
Remove one lead from Modureg and make safe
DHW temperature control on MAX
Attach U-gauge to burner pressure test point
Remove one lead from Modureg and make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow burner to ignite and establish.
Does the boiler operate at correct MIN pressure of 3.5mbar?
Reconnect lead to modureg
Mains Power On
Allow burner to ignite and establish again.
Does the boiler now operate at correct MAX pressure of 36mbar?
Click here to Set Up Burner Pressure (Ensure inlet pressure is satisfactory before attempting adjustment).
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Does the boiler operate at correct MIN pressure of 3.5mbar?
| Isolate Mains Power to appliance as per TOPs P4 |
Mains Power On
Allow burner to ignite and establish again.
Does the boiler now operate at correct MAX pressure of 36mbar?
Click here to Set Up Burner Pressure (Ensure inlet pressure is satisfactory before attempting adjustment).
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