Electrical Connections - Liebert himod Service Manual

5 − Electrical connections
5.1 −

Electrical connections

1) Before proceeding with the electrical connections,
ensure that:
S all electrical components are undamaged;
S all terminal screws are tight;
S the supply voltage and frequency are as indicated
on the unit.
2) Power supply cable connections (see Fig. 10):
S Connect the cable to the Line inlet terminal
board.
S Use the cable size defined according to the flow
(see Fig. 11), the supply voltage and the installa-
tion type.
S Protect the supply using a back−up fuse.
Fig. 10 − Supply cable passage
Under unit
(Mod. 90−10 C version)
16
S Do not fit the supply cable in the raceways inside
S Use multipolar cables with sheath (CEI20−22)
3) Wiring connections:
S Connections for remote on−off and hot water
S The General Alarm terminals allow remote
4) In case of short circuit, check the sticking of the in-
volved remote control switch and possibly replace
it.
Under unit
Under unit
(Mod. 12−14 C version)
HIMOD−C
the machine electric board.
only.
consent must be done by the installer.
alarm signalling.
Over unit
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