El
E
C
tRIC
al
W
o
RK
33
English
Connecting the power cable
Power cable
Power cable
Power cable
UnIt 1
UnIt 2
UnIt 3
Communication
cable
Power • ground cable
Power
cable
ELCB
or
MCCB+ELB
ELCB
or
MCCB+ELB
ELCB
or
MCCB+ELB
Power • ground
cable
Power •
ground cable
Power •
ground
cable
Power
cable
Protection
tube
f
Fix the cable with a cable tie.
f
ELCB and ELB must be installed since there is risk of electric shock or fire when they are not installed.
f
Install an ELCB or ELB for each unit as shown in the figure.
f
Be sure not to mistakenly connect or forget to connect the power cable. If the power cable is mistakenly
connected or not connected, the indoor unit may display an error code, the air conditioner may not turn on, or
core components may not work. If the power cable of a pump integrated model is mistakenly connected or not
connected, the air conditioner may not operate, a trip of the OCR may occur, or backlash of the pump may occur.
Supplying 3 phase 4 wires 380 - 415 V
ELCB
or
MCCB+ELB
Inverter controller
f
Connect a power cable after checking that R-S-T-N (3 phase 4 wire)
is properly connected. (If the 380-415 V power is supplied to the N
phase, PCB and other electrical part will be damaged.)
DB68-05916A-09_IM_DVM Chiller Outdoor_EU_EN_.indd 33
2022-05-02 오전 9:00:02