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Check Points During The Acp Installation - LG V-NET PQCPC22N0 Installation & User Manual

Acs acp
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Installing ACP

Check points during the ACP installation

- The number of PI485 connected to one RS-485 communication line
ACP provides 4 RS-485 ports for indoor unit connection. (CH 1~4)
Up to 16 PI485 for outdoor unit can be connected to one RS-485 port, and up to 31 PI485 for
SINGLE/ventilation can be connected.
- The number of the indoor units that can be connected to one ACP
One ACP can be connected up to 256 indoor units. To one RS-485 port, all of 256 indoor units,
which is the maximum number that can be connected to the ACP, may be connected.
But, to improve the communication performance of RS-485, it is recommended to be divided
and connected to 4 ports.
- RS-485 communication cable connection
There is a polarity in RS-485 communication cable connection, so be careful not to reverse the
connection of the two cables.
Do not let the length of RS-485 communication cable exceed total of 1 Km.
RS-485 communication cable must be connected with BUS type.
- IP address of the ACP
IP address of the ACP, address of Gateway, and Net mask must be requested to the person in
charge of the network of the corresponding site.
RS-485 Connection of the ventilation equipment
• To connect ventilation equipment, it is recommended to use the ports other than RS-
485 communication ports which are connected to air conditioners.


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V-net pqcpc22a0V-net pqcpc22a1V-net pqcpc22n1