LG PAHCMS000 - Page 35

35
Installation
Due to our policy of continuous product innovation, some specications may change without notication.
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AHU COMMUNICATIONS KIT INSTALLATION
External Connection Diagrams
Multi V + EEV + LG Control / DDC (Contact Signal)
Outdoor unit
EEV Kit
INT(CEN) B
INT(CEN) A
R S T N
Liquid pipe
Gas pipe
Pipe out (Gas) Thermistor
AirHandlingUnit
(field supply)
Pipe in (Liquid) Thermistor
DX
Coil
Fuse
R S TN
Discharge Thermisto r
Power Supply
1)
Central Controller
ACP : CH5
AC SMART : CH1
A+ B-
Power Supply
L N
Main
module
Comm
.
module
A+ B-
CH3
A+ B-
CH2
RI2 G
RI3 G RI4 G
Modbus
Communication
Local AHU
Controller
(Field Supplied)
CH 2 A+
A+
CH4
B- CH4
CH 2 B-
12V
Adapter
L
N
EEV
SIG
GND
Remote
Controller
RefrigerantPiping(FieldSupply)
Wire& Thermistor(LGSupply)
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.
Fan control
IDU B
IDU A
Available EEV Kit models:
- PRLK048A0 / PRLK096A0 / PRLK396A0
- PRLK594A0 (requires EEV Controller PAEEVA020)