INSTALLATION AND CONNECTION
4 Installation and Connection
4.1 Construction of the unit
Front view
Figure 6:
Construction of the unit
DANGER
Description
Terminal
+24V bus
0 V
DC bus+
DC bus-
Line terminal strip
Figure 7:
Connections of the front side
38
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Remove the front cover
• Pull with both hands at the
lower end of the cover.
• Tilt cover forward to approx. 45
degrees, until the plates solve
above from the mounting.
• Remove the cover forward.
Remove the cover of the DC bus
• Compress lug of the cover,
remove forward.
Dangerous voltage
► Secure voltage disconnection of the DC bus at the power supply
and regenerative unit!
Connections of the front side
X1C.1
X1C.2
X1D.1
X1D.2
X1A
Front without cover
Termi-
Description
nal
X1C.3
+24V bus
X1C.4
0 V
X1D.3
DC bus (displayed with
protection against con-
tact for exterior units)
X1D.4
Snap-in for front cover
DC connection and brak-
X1B
ing resistor