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Single Zone Vertical Air Handling Unit - CV 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.
External Static Pressure Setting / Installer Mode
External Static Pressure (ESP) Default Settings (NJ frame)
How to Enter Installer Setting Mode
1. Press button and button simultaneously for 3 seconds to enter the installer
setting mode.
2. When entering installer setting mode, fuction code is displayed on the LCD screen.
3. Press button to select function code 64 (target air volume).
4. Press buttons to change value as desired (00 = Default; 01 = +10%; 02 = -10%).
5. Press button to set value.
6. Press button and button simultaneously for 3 seconds to exit installer
setting mode.
Follow this procedure to enter installer setting mode and set the target air volume as desired.
Being a Constant Air Volume (CAV) unit, the NJ (12K, 18k, 24K, 30K) chassis does not require any field adjustment to change the ESP
settings
ELECTRICAL SYSTEM INSTALLATION
Figure 66: Disconnect Wire to Dry Contact when using an LG Controller
• When using the wired remote controller or central controller provided by LG, disconnect
the wire connector between Indoor unit PCB(CN_CC) and dry contact PCB(CN_INDOOR).
CN_INDOOR
CN_CC
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