35
Installation
Due to our policy of continuous product innovation, some specifications may change without notification.
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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 (FieldSupply)
AI/DI/DO Signal(Field Supply)
Note :
1. The type of power supplyofoutdoor unitcan vary depending on the outdoormodel.
2. Please make wiringbetween LGcontroller and outdoorunitwith thesame polarity.
3. LG controller can be optionally applied with DDC.
Fan
c
on
tro
l
IDU B
IDU A
AvailableEEVKitmodels:
-PRLK048A0/PRLK096A0/PRLK396A0
- PRLK594A0 (requires EEV Controller PAEEVA020)