LG ARNU363DDA4 Installation Manual
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LG ARNU363DDA4 Installation Manual

Economizer for split rooftop units (rtu)
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ECONOMIZER FOR
SPLIT ROOFTOP UNITS (RTU)
INSTALLATION MANUAL
Vertical or Horizontal Applications
Compatible Models:
ARNU363DDA4, ARNU483DDA4,
ARNU603DDA4, ARNU723DDA4
Accessory Model Numbers:
Dry-Bulb Economizer: ZCEC01000DB
Single Enthalpy Economizer: ZCEC01000SE
Dual Enthalpy Economizer: ZCEC01000DE

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Summary of Contents for LG ARNU363DDA4

  • Page 1 ECONOMIZER FOR SPLIT ROOFTOP UNITS (RTU) INSTALLATION MANUAL Vertical or Horizontal Applications Compatible Models: ARNU363DDA4, ARNU483DDA4, ARNU603DDA4, ARNU723DDA4 Accessory Model Numbers: Dry-Bulb Economizer: ZCEC01000DB Single Enthalpy Economizer: ZCEC01000SE Dual Enthalpy Economizer: ZCEC01000DE...
  • Page 2 4. For more technical materials such as submittals, visit www.lghvac.com. For continual product development, LG Electronics U.S.A., Inc. reserves the right to change specifications without notice. © LG Electronics U.S.A., Inc.

  • Page 3: Table Of Contents

    General Information ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 28 Menu Structure ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 29-35 Troubleshooting ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 36-37 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.

  • Page 4: Introduction

    (JADE is a is a trademark of Honeywell International, Inc. or its subsidiaries or affiiliates.) In the event that this JADE W7220 economizer is used with an LG 3 to 6 ton rooftop unit with 3D Plug (Centrifugal) Fan, the harness provided with the accessory kit must be field-connected to the JADE W7220 economizer controller.

  • Page 5: Safety Precautions

    Be sure to remove the cover when installation is complete� 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.
  • Page 6 Failure to carefully read and follow all instructions in this manual can result in equipment malfunction or property damage� 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.

  • Page 7: Product Data

    (Honeywell is a registered trademark of Honeywell International Inc. or its subsidiaries or affiiliates). ® 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.
  • Page 8 IECC requires differential return air sensor, which must be ordered separately� See Honeywell C7400S sensor� 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.

  • Page 9: Installation

    See Figure 3. 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.
  • Page 10 OA panel to the unit along the vertical side flanges. 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.

  • Page 11: Horizontal Type Installation

    See Figure 9. 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.
  • Page 12 OA panel to the unit along the vertical side flanges. See Figure 12. 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.

  • Page 13: Air Flow Separator Installation

    If necessary, trim the bulb gasket to length. 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.
  • Page 14 Secure the filter separator to the splitter using the pilot holes. 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.

  • Page 15: Filter Access

    Figure 24: Pushing Middle Filter Rack Up. Figure 25: Pulling Out the Bottom Filter. 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.

  • Page 16: Vertical And Horizontal Applications

    VERTICAL AND HORIZONTAL APPLICATIONS Figure 26: Economizer: Vertical and Horizontal Applications. 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.

  • Page 17: Wiring Diagrams

    WIRING DIAGRAMS Figure 27: Economizer Wiring Diagram with PDRYCB400. 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.
  • Page 18 Figure 29: Economizer Wiring (Single Enthalpy) with PDRYCB400. 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.
  • Page 19 Figure 30: Economizer Wiring (Dual Enthalpy) with PDRYCB400. 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.
  • Page 20 WIRING DIAGRAMS Figure 31: Economizer Wiring Diagram with PDRYCB320. 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.
  • Page 21 Figure 33: Economizer Wiring (Single Enthalpy) with PDRYCB320. 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.
  • Page 22 Figure 34: Economizer Wiring (Dual Enthalpy) with PDRYCB320. 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.

  • Page 23: Wiring Harness

    The images above show the color of wires that correspond to the location on the Honeywell controller. 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.
  • Page 24 Figure 36: OEM Wiring Harness (Refer to previous wiring diagrams for detailed application wiring). 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.

  • Page 25: Single Outside Air Enthalpy Sensor

    Default Setting = OFF – OFF – OFF 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.

  • Page 26: Installing Differential Return Air Sensor

    Figure 39: Wiring the Differential Return Air Sensor. 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.

  • Page 27: Title 24 / Remote Monitoring

    Figure 40: Thermostat Wired for Remote FDD. Figure 41: Annunciator Light for Remote FDD. 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.

  • Page 28: Economizer Controller

    (Menu Up/Exit) button to return to previous menu. 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.

  • Page 29: Menu Structure

    • AUX1 OUT: If remote Fault Detection and Diagnostic (FDD) monitoring is required select SYS. • OCC: Occupancy, always set to INPUT 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.
  • Page 30 • The default setting on the W7220 controller is for a “STG3 DLY” with 2�0h� It should be changed to OFF� • The default setting on the W7220 controller is for a “MIN POS” with 4�4V� LG RTU can cover 4�4V or less�...
  • Page 31 Displays status of heat demand on a 2-speed fan unit. 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.
  • Page 32 1 speed, therefore EXH2 is not applicable. 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.
  • Page 33 ACT STALLED Actuator stopped before reaching commanded position 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.
  • Page 34 ACT 24 24 VAC Damper Actuator 24 VAC Source 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.
  • Page 35 During unoccupied mode operation, dampers will remain closed unless a DCV demand is received. When the room temperature calls for heat (W1 closes), the heating controls are energized. 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.

  • Page 36: Troubleshooting

    If the alarm still exists, it reappears within five (5) seconds. 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.
  • Page 37 The unit will remain in checkout for ten (10) minutes, then return to normal operation. unit stay in checkout mode without input? 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.
  • Page 38 LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway IM_Split_Rooftop_Economizer_01_22 Alpharetta, Georgia 30022 Supersedes: IM_Split_Rooftop_Economizer_11_21 www.lghvac.com...

This manual is also suitable for:

Arnu483dda4Arnu603dda4Arnu723dda4

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