LG PACS4B000, Installation & Owner'S Manual, Page: 20 / 40

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ENGLISH
PREPARATION
...
AC Smart IV
Outdoor Units
Power Distribution
Indicator (PDI)
watt-hour meter
ERV
DI/DO, DOKIT
AWHP
AHU
Indoor devices 1
Configuration
Address: 01
Configuration
Address: 11
Configuration
Address: 21
Configuration
Address: 31
Configuration
Address: 41
Configuration
Address: 02
Configuration
Address: 03
Indoor devices 2 Indoor devices 3
NOTES
y
The maximum allowed communication distance guaranteed by LG Electronics is 1 000 m. It
means that the distance between AC Smart IV and the farthest device should not exceed 1
000 m. It is recommended that the communication cable use 0.75 mm square or more.
y
For indoor units, ERV, DI/DOs, DOKITs, AWHPs, AHUs and I/O Modules, you cannot allocate
identical addresses among devices of the same type. Allocate different addresses for devices
of the same type. (the indoor unit and DOKIT cannot use the same address.)
y
Each device which can be used with PDI must be set to a unique address when connected
with PDI. For further information about the devices can be used with PDI, please refer to the
PDI manual.
y
Connecting I/O Module, address setting should not be 00 because 00 is used to Broadcast in
MODBUS communication.