LG PAHCMS000 Installation Manual page 25

AHU COMMUNICATIONS KIT INSTALLATION
Discharge Air Temperature Control
DDC Control by Contact Signal: Variable T
Room
AHU
The DDC controls discharge air temperature by sending an analog input (0 to 10V) to the AHU Communications
Kit. The AHU Communications Kit adjusts the outdoor unit target temperatures (T
the discharge air temperatures.
Required Items
MULTI V
Single Split
Function List
Operating On/Off
Operation Mode
Return Air Temperature
Control
Discharge Air Temperature
Forced Thermal On/Off
Capacity Control
Emergency Stop
Operating On/Off
Operation Mode
Return Air Temperature
Monitor Discharge Air Temperature
Defrost status
Error Alarm
Compressor On/Off
Note :
O : Applied, X : Not applied
1. LG central controller is based on AC Smart IV and ACP IV
+ T (0 - 10V)
e d
.
T
Room
Remote
Controller
(Monitoring)
T
T
d
DX
Coil
T
e
Expansion Valve
EEV
Not Required
Function List Contact Signal type (DDC)
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.
DDC
(Field Supply)
AI / DI / DO
Signal
AHU Controller
PAHCMS000
Wired Remote Controller
Optional (Monitoring only)
Optional (Monitoring only)
LG Remote Controller LGCentralController
O X
O X
X X
X X
X X
O X
O X
O O
X O
X X
X X
O O
O O
O O
Solutions Overview
LG Central
Controller
(Monitoring only)
Outdoor Unit
), increasing or decreasing
e
Central Controller
Optional (Monitoring only)
Optional (Monitoring only)
X
X
X
X
X
X
X
O
O
O
O
X
O
X
1
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