Flooded type water cooled screw chiller (PCB Control) MCAC-CTSM-2012-11
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III. Electrical Data
1. Field Wiring
WARNING: In order to prevent any accident of injury and death during the site wiring , the power
supply shall be cut off before the line is connected to the unit.
Wiring must comply with all applicable codes and ordinances. Warranty is voided if wiring is not in
accordance with specifications. An open fuse indicates a short, ground, or overload. Before
replacing a fuse or restarting a compressor or fan motor, the trouble must be found and corrected.
(1) Copper wire is required for all supply lines in field connection to avoid corrosion and overheat at
the connection of terminals. The lines and control cables shall be separately paved and
equipped with protective pipes to avoid intervention of supply line in control cable.
(2) Power section: It is required to connect the power supply cable to the control cabinet of the unit,
when it arrives at the jobsite. The power supply cable is connected to the terminals of L1, L2, L3,
N and PE and the terminals need to be fixed again after 24h running (the minimum allowed
time). Please seal the entering wiring hole after users installed the main power wires, in order to
avoid the dust entering into electric control cabinet.
Caution: it is suggested that to use appropriate tools to make sure that a enough height to
install the main power wires if the basement is higher than 200 mm.
(3) Field Wiring:
Remote Start
Remote Stop
Alarm
Running indicator
[Diagram for External Wiring of LSBLG365~750/MCFN Unit]
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