WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure

Instructions to set up High and Low Burner Pressures
Isolate Mains Power to appliance as per TOP's P4
Remove the protection cap from Modureg.
Turn the HW control to maximum.
Mains Power On.
Run DHW Tap and allow boiler to fire.
Rotate MAX gas pressure adjustment nut (marked A) until you
reach 9.8 mbar (rotating clockwise increases the pressure).
Isolate Mains Power to appliance as per TOP's P4
Disconnect one of the Grey Modureg wires.
Mains Power On.
Run DHW Tap and allow boiler to fire.
Adjust minimum pressure with screwdriver on minimum adjustment (Marked B)
until you have 0.8mbar (rotating clockwise decreases the pressure).
Isolate Mains Power to appliance as per TOP's P4
Reconnect the wire to Modureg.
Mains Power On.
DHW Tap On and retest Maximum Burner Pressure.
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.