Electrical Installation - Grounding
Part No.: 4417590_Rev13 CIU 888
Installation Manual
3 - 1
$*6
CHAPTER 3 ELECTRICAL INSTALLATION
3.1 Grounding
CIU 888 is grounded through the earth wire of mains cable and also
through dedicated earth terminal (mandatory) provided on the rear side
of the CIU 888. There are three more earth terminals provided on the
rear side of CIU 888 to connect to earth when bpm communication
channels are engaged.
A 4 mm two single or stranded copper wires are generally accepted by
the safety authorities.
NOTE: The grounding should be performed in accordance with the local regu
-
lations.
3.2 Mains
The mains supply for the CIU 888 is 100-240V
AC
, 50/60 Hz. The power
rating is 60 VA max (35 VA typical). Supply variations of +10% and -
15% are allowed. The power supply unit inside the CIU 888 detects to
which supply it is connected and automatically switches over to the
correct setting.
The mains block contains two fuses one on line and other on neutral
(size: Ø5 x 20 mm), both rated: 1.6 A slow blow (T1.6 A L 250 V) in
accordance with IEC 60127-2/III.
Fuse Details
:
• Part#: 0239002.MXP
• Make: Littelfuse
• Description: FUSE 250 V UL SLOBLO 5X20 MM 2A
CAUTION! Check if the mains supply voltage falls within the specified limits of
100-240 V
AC
.
CIU 888 has been supplied with a C13 plug on the CIU 888 side and
open end wires on the Line socket side. You can install country specific
plug to these open end wires and use it.
The mains switch is located on the rear side of the CIU 888.
NOTE: Always use proper installation material.
NOTE: The mains connection terminal and the external ground terminal must be
grounded, which are available at the rear side of the CIU 888.
Содержание CIU 888
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