Before Installing Ac Smart Ii - LG V-NET AC Smart II Advanced Control Smart Owner's Manual

Before installing AC SMART II

A single AC Smart can connect 64 units (Indoor unit, ventilator, Eco V DX , On/Off, AWHP) at
maximum. It can also connect 128 units via the extension kit (PQCSE440U0).
The following is an example of configuration of the AC SMART II and units. AC SMART II is
connected to PI485, and the units communicate the information mutually through RS485
communication. PI485 is connected to the devices for AC SMART II to control.
AC SMART II
Information: Maximum permitted communication length and
specification
The maximum permitted communication length that LG Electronics guarantee is 1,000m. In other
words, the unit installed the farthest from AC SMART II must be installed within 1,000m distance.
It is recommended to use the communication cable of 0.75mm
Air conditioner
outdoor unit
PI485
Ventilator
PI485
On/Off unit
AWHP Outdoor unit
PI485
Indoor unit 1 Indoor unit 2
<Note>
product that needs to be installed PI485
- Multi, Single, AWHP, Ventilator, before Multi
V II series
products that do not need to be installed PI485
- Multi V II Series, Eco V DX
AWHP Indoor unit
2 (Shield) or above.
Installation/Owner's Manual
2. AC Smart II Installation
Indoor unit 3
2-2