Ahu Kit Wiring Configuration With Ddc; Configuration Concept - LG PUDCA0 Installation Manual

AHU KIT WIRING CONFIGURATION WITH DDC

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AHU KIT WIRING CONFIGURATION WITH DDC
Configuration concept
AHU
Comm. Kit
0~10V DC
(AI 10-2)
Target
pressure
Modulating
(Single CAC)
LG Supply
1
Comm. Kit control capacity of the cooling/heating only according to the DDC's control
signal (DC 0~10V)
2
Control signal from the DDC is decided by calculation logic with Td/Ti and setting tempera-
ture (Calculation logic depends on BMS program).
3
For Installation of Room thermistor, recommended to be installed to the inlet of Heat
Exchanger.
0~10V DC
(AI 10-4)
DI/DO
Room
Temp. sensor
Ti
BMS
system
DDC
Discharge Temp. sensor
( DC 0~10V Output)
Te
(AHU)
Field Supply
Td
Ti : Inlet Temp.
Te : HEX. Temp.
Td : Discharge Temp.