External Connection Diagrams - LG PAHCMR000 Installation Manual

AHU COMMUNICATIONS KIT INSTALLATION
Return Air Temperature Control
Multi V and EEV Kit and DDC (Contact Signal)
Air Handling Unit
(field supply)
Local AHU
Controller
(Field Supplied)
Refrigerant Piping (Field Supply)
Wire & Thermistor (LG Supply)
Wire (Field Supply)
AI/DI/DO Signal (Field Supply)
Notes:
1. The type of power supply of outdoor unit can vary depending on the outdoor model.
2. Please make wiring between LG controller and outdoor unit with the same polarity.
3. LG controller can be optionally applied with DDC.
Compatible EEV Kit models are PRLK048A0 / PRLK096A0 / PRLK396A0
EEV Kit
PRLK594A0 is not compatible
Kit
Liquid pipe
Gas pipe
Pipe out (Gas) Thermistor
Pipe in (Liquid) Thermistor
Return (Room) Thermistor
DX
Coil
Remote
Comm. module
Controller
12V
SIG
GND
On/Off, Cool/Heat,
Target temp Universal
Input
On/Off, Defrost, Alarm
Digital
output
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.

External Connection Diagrams

Central Controller
ACP : CH 1 ~ CH 4
AC SM ART : CH 2
RI 1 G RI 3 G RI 4 G
CH 2 A+
CH 2 B-
L
Adapter
EEV
N
Indoor unit
4(B)
)
3(A)
CN_REM O
N( L2 )
L(L1 )
Indoor unit
4(B)
3(A)
CN_REM O N( L2 )
L(L1 )
MULTI V
Outdoor unit
IN T B
IN T A
R S T N
Fuse
R S T N
Power Supply
1
Power Supply
L N
29