Operation and maintenance instructions
Series PRE proportional pressure regulator
Analog /preset version
5000024670
Ver. 01
16
•
The Series PRE electronic regulator can be directly fixed to a support using the 2 through
holes with diameter 4mm present on the body (not available in the PRE1 manifold version).
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The PRE1 electronic regulator can be fixed to the wall with the optional bracket code MD1-
ST/1 (if the two through holes in the body have a 34 mm center distance) or with the optional
bracket code PRE-ST (if the two through holes in the body have a 42 mm center distance);
the PRE2 electronic regulator can be fixed to the wall with the optional bracket code PRE-ST:
1. Fix the bracket to the wall with suitable screws
2. Connect the fittings G1/4; G3/8 or NPTF according to the PRE regulator size
3. Connect the regulator to the bracket with the two M4 x 55 screws supplied
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Connection of Manifold regulators with related Kit PRE-M-Pin-1-2
1. Insert the pins (1) in the seats on the regulator body
2. Insert the O-ring seal (3) into the special seat on the side face of the body
3. Bring the two modules sideways up until contact
4. Tighten the four grub screws (2) until they are locked (Tightening torque: 2,5 ± 0,5 Nm)
