Data Sheet for Product

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Siemens Modulating refrigerant valves with magnetic actuator‚ PS43 CE2N4721en
Smart Infrastructure 2020-12-21
Connection terminals
If a ZM../A terminal housing is used with DC 0…20 V Phs (phase cut), AC 24 V
must not be connected!
Always switch off the power supply before connecting or disconnecting the ZM..
terminal housing.
1
2
3
4
5
6
~
~
+
+
Supply
AC 24 V
Positioning signal
DC 0...10 V
DC 0...20 V Phs (phase cut)
DC 0...20 V Phs
~
~
+
+
Supply
AC 24 V
Positioning signal
DC 4...20 mA
DC 0...20 V Phs (phase cut)
ZM101/A
(DC 0...10 V or DC 0...20 V Phs)
ZM121/A
(DC 4...20 mA oder DC 0...20 V Phs)
4721Z03en
twisted
pairs
ZM111
(DC 0...20 V Phs)
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
Connection diagrams
Refer to data sheet N4591 for the ZM.. terminal housings
Warning