6 Installation
EN
32 Rittal Liquid Cooling Package
Fig. 39: Terminal connections X1–X5 without access panel
Then follow the below wiring instructions.
230 V, 1~/208 V, 2~, 3-wire connection
To connect the Liquid Cooling Package to the mains
using a 3-wire, single-phase connection cable, pro-
ceed as follows:
Remove approximately 45 mm from the rubber
sheathing of the flexible cable.
Trim both of the phase conductors (L1 and L2) to a
length of approximately 35 mm. Leave the length of
the PE conductor at approximately 45 mm.
Remove approximately 9 mm from the insulation of
all conductors with a suitable tool.
Fig. 40: Dimensions for removing the rubber sheathing and
insulation
Attach wire end ferrules without insulating collars to
the ends of the conductors. To crimp the wire end
ferrules, use a suitable crimping tool with an integral
lock to prevent the tool from opening prematurely.
Insert a suitable screwdriver (blade size 3.5 x
0.5 mm) into an activation opening (fig. 41, item 1)
and open the corresponding terminal connection of
the conductor entry (fig. 41, item 2).
Fig. 41: Connector – rear
Key
1 Activation opening of the terminal connector for the
conductor entry
2 Conductor entry
Fig. 42: Terminal connection X1
6.1.2 Cooling water connection
The Liquid Cooling Package is connected to the cold
water network via two 1½" threaded pipe connections
(external thread) on the inlet and return, located on the
lower rear of the unit. The connection nozzles are po-
sitioned horizontally to the rear.
Caution!
With a 3-wire, single-phase connection,
the conductor cross-section must be at
least 2.5 mm
2
.
Note:
black = phase conductor L1
red = phase conductor L2/N
yellow/green = PE conductor
45
99
1
2
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