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Wiring Diagram - LG PAHCMR000 Installation Manual

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AHU COMMUNICATIONS KIT INSTALLATION

Wiring Diagram

Figure 6: PAHCMR000 AHU Communications Kit Wiring Diagram.
14
UI1*
DO1** DO2** DO3**
* Set the UI1, UI2, UI3, and UI4 ports DIP switches as appropriate for your system
SW2
UI Setting
3/4
** Set the DO1, DO2, and DO3 ports DIP switches as appropriate for your system
SW1
DO Type
3
*** This output can be used to start/stop an AHU single-speed fan
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.
UI4*
UI3*
UI2*
UI1 : Operation On/Off
UI2 : Heating/Cooling
UI Setting #1
Off/Off
UI3 : Forced Thermo On/Off
UI4 : Target air temperature
UI1 : Operation On/Off
UI2 : Cooling only/Off
UI Setting #2
Off/On
UI3 : Heating only/Off
UI4 : Forced Thermo On and Off
DO1 : High
Fan speed
On
DO2 : Middle
DO3 : Low
DO1 : On/Off ***
Off
Status
DO2 : Defrost
DO3 : Alarm

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