MAINTENANCE NOTICE
NM-230 index 18
Page 19/55 September 2020
5.4
CONNECTING THE POWER SUPPLY REGULATOR OPERATION (without 4-20mA
generator)
The signal from a temperature sensor or level, flow, which through with the control box of the valve
that controls it.
• Remove the 4 screws from the electrical connection box using a flat screwdriver and remove
the connection cover.
• Pushing the son through the screw grommet.
• Connect the + 24VDC wire to + 24VDC [16].
• Connect the 24VDC- wire to GND [15].
• Tighten the nut of the screw grommet (torque approx. 1.5 Nm).
• Reinstall the connection cover with the inserted seal and screw crosswise screws of housing
(torque maximum 0.7 Nm.).
Connection cover
Connection terminals