Setting The Indoor Unit Address - LG ACP IV Install/Owner’s Manual

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INSTALLING ACP IV
10

Setting the indoor unit address

By considering the entire installation configuration connecting to one ACP IV, set the address to
each indoor unit not to be overlapped. 00~FF in hexadecimal can be set to the indoor unit
address. However, in case of I/O module, address 00 should not be set because address 00 is
used as Broadcast in MODBUS communication.
!
NOTE
Assigning indoor and outdoor unit number
If the outdoor unit product is Multi V, it is recommended to
assign the address by setting the first digit of the address
as the number of the outdoor unit, and classifying the sec-
ond digit as the number or the indoor unit, for easy compo-
sition and classification of the system.
Here is an example of configuring ACP IV and the device.
PACP4B000
ACP IV
When the ACP IV is interconnected with the AC Manager IV, the ERV can be installed together
and controlled. The above figure shows the example that sets the addresses of 30 and 31 to the
ERV and connects to the ACP IV.
Outdoor Units
Indoor devices 1
Configuration
Address: 01
ERV
Configuration
Address: 11
DI/DO, ON/OFF
Configuration
Address: 21
AWHP
...
AHU
Configuration
Address: 41
Indoor devices 2
Indoor devices 3
Configuration
Configuration
Address: 02
Address: 03
Configuration
Address: 31
!
NOTE
How to set the central control
address of the indoor unit
The central control address setting
method may be different for each
indoor unit product or remote control
type, so set the address by referring
to the manual of the indoor unit
product or wired remote controller.

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