24
PRDCAM
AHU Communication Kit Installation Manual
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.
Solutions Overview
AHU COMMUNICATIONS KIT INSTALLATION
LG Central
Controller
(Optional)
Room
Remote
Controller
T
d
DX
Coil
T
e
AHU Controller
PAHCMS000
Outdoor Unit
AHU
TheCommunicationKitforDischargeAirTemperatureControlissingle-handedabletocoverthisfunction.The
Communication Kit adjusts the evaporating or condensing temperature (T
e
) by monitoring the supplied
air temperature (T
d
) to meet the required set target (T
d
).
Required item
Function List
Note :
O : Applied, X : Not applied
1. LG Central controller is based on AC Smart IV and ACP IV
Function List
LG Remote Controller
LG Central Controller
1)
Control
Operating On/Off
O
O
Operation Mode
O
O
Return Air Temperature
X
X
Discharge Air Temperature
O
O
Forced Thermal On/Off
X
X
Capacity Control
X
X
Emergency Stop
X
O
Monitor
Operating On/Off
O
O
Operation Mode
O
O
Return Air Temperature
X
X
Discharge Air Temperature
X
O
Defrost status
O
X
Error Alarm
O
O
Compressor On/Off
O
X
Expansion Valve
Wired Remote Controller
Central Controller
MULTI V
EEV
O
Optional
Single Split
Not Required
O
Optional
Discharge Air Temperature Control
LG Control: Variable T
e
+ T
d
