8
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�
► Disconnect power�
► Connect the unit as follows:
4
L
L
+
2
1
3
Out 1
Out 2
4:
2:
2
1
4
3
Pin 1 Ub+
Pin 3 Ub-
Pin 4 (OUT1) • binary switching output pressure monitoring
Pin 2 (OUT2)
• binary switching output if [ou2] = [Hno], [Hnc], [Fno] or [Fnc]
• diagnostic output if [ou2] = [diA]
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