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Pressure Switch Installation Instructions
Installing the Pressure Switch into
the Side of a Manifold - Continued
Calibrating the
Pressure Switch
Valco Melton
1.
Route and secure the cable, to ensure that it will not be caught in
the motor, using two (2) ty-raps and two (2) wire harnesses.
2.
If the pressure switch is being hooked into the unit's universal
control, route the cables through either the cord grip or the slot
into the electrical cabinet.
3.
Bundle any remaining wire.
4.
Open the front operator panel.
5.
Connect the flying leads from the pressure switch to the universal
control, as detailed below.
Wire Color
Brown
Red
Blue
Green
6.
Connect the brown wire into "GND" for the desired input.
a.
If a pressure rise is desired, connect the blue wire to
the center pin.
b.
If a pressure drop is desired, connect the red wire to
the center pin.
Function
Common
N.C.
N.O.
PE
IS0213
3
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