LG PAHCMS000 - External Connection Diagrams

33
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 + DDC (Contact Signal)
Available EEV Kit models:
- PRLK048A0 / PRLK096A0/ PRLK396A0
Outdoor unit
EEV Kit
- PRLK594A0 (requires EEV Controller PAEEVA020)
INT(CEN) B
INT(CEN) A
R S T N
Liquid pip
e
Gas pipe
Pipe out (Gas) Thermistor
AirHandling Unit
(field supply)
Pipe in (Liquid)Thermistor
DX
Coil
Fuse
R S TN
P
ower Supply
Discharge Thermistor
1)
Central Controller
ACP : CH5
AC SMART : CH1
A+ B-
Power Supply
L N
Main
module
Comm.
module
ODU Capacit
y
Control(0~10V)
A+ B-
CH3
A+ B-
CH2
RI2 G
RI3 G RI4 G
Local AHU
Controller
(Field Supplied)
CH 2 A+
On/Off, Cool/Heat,
Emer.stop
CH 2 B
-
Adapter
On/Off, Defrost, Alarm,
Comp. status
12V
L
N
EEV
SIG
GN
D
Remote
Controller
Refrigerant Piping (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 outdoormodel.
2. Please make wiring between LG controller and outdoor unit with thesame polarity.
3. LG controller can be optionally applied with DDC.
Fan control
IDU B IDU A
Digital
Output
Digital
Input
Universal
Input