Operation and maintenance instructions
Series PRE proportional pressure regulator
External sensor version
5000056022
Ver. 00
12
•
PRE series electronic regulator can be connected to DIN rails using the relative elements PCF-
E520 fitted on the rear of the body using two M4 threaded holes.
•
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
•
Make sure that the bracket is completely resting on the wall
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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)
