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LG PAHCMR000 Installation Manual page 31

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AHU COMMUNICATIONS KIT INSTALLATION
Return Air Temperature Control
Multi V and EEV Kit and LG Control/DDC (Modbus Signal)
Air Handling Unit
(field supply)
(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.
EEV Kit
Compatible EEV Kit models are PRLK048A0 / PRLK096A0 / PRLK396A0
PRLK594A0 is not compatible
Liquid pipe
Gas pipe
Pipe out (Gas) Thermistor
Pipe in (Liquid) Thermistor
Return (Room) Thermistor
DX
Coil
Comm. module
Remote
Controller
Modbus
Local AHU
Communication
Controller
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.
Central Controller
ACP : CH 1 ~ CH 4
AC SMART : CH 2
12V
SIG
RI1 G
RI3 G
RI4 G
GND
CH 2 A+
CH 2 B-
A+ CH1
L
B- CH1
Adapter
EEV
N
Indoor unit
4(B)
B )
3(A)
CN_REMO
N(L2)
L(L1)
Indoor unit
4(B)
3(A)
CN_REMO
N(L2)
L(L1)
External Connection Diagrams
MULTI V
Outdoor unit
INT B
INT A
R S T N
Fuse
R S T N
Power Supply
Power Supply
L N
1
31

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