Fan Signal Wiring Concept - LG PRDCA0 Installation Manual

AHU KIT WIRING CONFIGURATION WITH DDC
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FAN Signal Wiring Concept

1(L) 2(N)
Motor operating power
220-240 V~ 50 Hz
220 V~ 60 Hz
208/230 V~ 60 Hz
h If the motor is On/Off type, HI/MED/LOW wire have to connect as common.
For example, If you just connect HI wire to the motor(On/Off), motor is not operating according
to our control logic.
[AHU]
M
R-LOW
R-MED
(MCC Panel )
[AHU Comm. Kit]
R-HI
1(L) 2(N)
Control power
220-240 V~ 50 Hz
220 V~ 60 Hz
208/230 V~ 60 Hz
Cable : Over CV 1.5mm
Motor
M
Relay
Field Wiring
Factory Wiring
1 2 3
2