6
5 Installation
Before installing and removing the unit: make sure that no pressure is
applied to the system
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Insert the unit in a G¼ process connection
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Tighten firmly
6 Electrical connection
The unit must be connected by a qualified electrician
The national and international regulations for the installation of electrical
equipment must be adhered to
Voltage supply to EN 50178, SELV, PELV
For the scope of validity cULus:
The unit shall be supplied from an isolating source and protected by an
overcurrent device The „limited voltage“ requirements according to UL508
must be complied with
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Disconnect power
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Connect the unit as follows:
Pin 1
Ub+
Pin 3
Ub-
Pin 4 (OUT1)
Binary switching output pressure monitoring
Pin 2 (OUT2)
Analogue output for system pressure
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)
