LG PAHCMS000 Installation Manual page 35

AHU COMMUNICATIONS KIT INSTALLATION
Multi V + EEV + LG Control / DDC (Contact Signal)
Air Handling Unit
(field supply)
Local AHU
Controller
(Field Supplied)
RefrigerantPiping (Field Supply)
Wire&Thermistor(LG Supply)
Wire (Field Supply)
AI/DI/DO Signal(Field Supply)
Note :
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.
Available EEV Kit models:
- PRLK048A0 / PRLK096A0 / PRLK396A0
EEV Kit
- PRLK594A0 (requires EEV Controller PAEEVA020)
Liquid pipe
Gas pipe
Pipe out (Gas) Thermistor
Pipe in (Liquid) Thermistor
DX
Coil
Discharge Thermisto r
Central Controller
ACP : CH5
AC SMART : CH1
A+ B-
Main
module
Modbus
Communication
A+ CH4
B- CH4
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
Comm.
module
A+ B- A+ B-
RI2 G
CH3 CH2
Adapter
L
N
EEV
Outdoor unit
INT(CEN) B
INT(CEN) A
R S T N
Fuse
R S TN
Power Supply
Power Supply
L N
RI3 G RI4 G
CH 2 A+
CH 2 B-
12V
SIG
GND
Remote
Controller
1)
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