LG ARNU363DDA4 Installation Manual
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LG ARNU363DDA4 Installation Manual

Power exhauster for split rooftop units (rtu) 3 to 6 tons
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POWER EXHAUSTER FOR
SPLIT ROOFTOP UNITS (RTU) 3 TO 6 TONS
INSTALLATION MANUAL
Vertical or Horizontal Applications
Compatible Models:
ARNU363DDA4, ARNU483DDA4,
ARNU603DDA4, ARNU723DDA4
Accessory Model Numbers:
Power Exhauster, Dry Bulb Modulating: ZCPE03050DB
Power Exhauster, Single Enthalpy: ZCPE03050SE
Power Exhauster, Dual Enthalpy: ZCPE03050DE

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Summary of Contents for LG ARNU363DDA4

  • Page 1 POWER EXHAUSTER FOR SPLIT ROOFTOP UNITS (RTU) 3 TO 6 TONS INSTALLATION MANUAL Vertical or Horizontal Applications Compatible Models: ARNU363DDA4, ARNU483DDA4, ARNU603DDA4, ARNU723DDA4 Accessory Model Numbers: Power Exhauster, Dry Bulb Modulating: ZCPE03050DB Power Exhauster, Single Enthalpy: ZCPE03050SE Power Exhauster, Dual Enthalpy: ZCPE03050DE...
  • 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

    Damper Test ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 26 Wiring Diagrams ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 27-29 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: Product Data

    PDRYCB320 LG Dry Contact must be purchased separately. 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 Return air enthalpy sensor (C7400S1000) is factory provided and field mounted in return duct.* * Includes C7400S sensor and wiring harness. 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 • Fan performance lab tested by fan manufacturer. 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 Figure 2: Service Clearances. Service area not drawn to scale. 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 Exhaust Hood Motor and Belt Access via Front Opening 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: Unit Installation

    Figure 8: Detail No. 2. See Detail No. 2 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 Figure 12: LG Split RTU with Installed Power Exhaust. 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 Figure 17: LG Harness Connections A. Figure 18: LG Harness Connections B. 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 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 UNIT INSTALLATION Step 15� Route the UL-approved line voltage cable from the power exhaust through the LG Split RTU to its control box. Figure 22: UL Approved Line Voltage Cable. Figure 23: UL Approved Line Voltage Cable Terminals. Step 16�...

  • Page 16: Actuator Removal

    Figure 27: Removing the Logic Module. Figure 28: Unscrewing the Logic Module Bracket. 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 Remove the bolt on the linkage bracket and damper shaft. 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 Remove the retaining clip from the back of the actuator. 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 38: Securing the Rod. Figure 39: Testing the Dampers. 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: Pulley Removal / Adjustment

    Take care to avoid pinching hands or fingers while removing or installing the belt. 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 11 mm wrench. 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 55: Tightening the Bolt on the Back of the Motor Slide Base. 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 (1/4”). This is the point of optimal efficiency. 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: Maintenance

    (1) to three (3) months, and the 4" thick filters every six (6) to nine (9) months. V-Belt Maintenance 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 Figure 57: Example of an Eroded Sheave. Figure 58: Example of an Acceptable Sheave. 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: Damper Test

    Figure 61: CHECKOUT, DAMPER OPEN Screen. Figure 62: RUN? Screen. 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: Wiring Diagrams

    Figure 64: LG Dual Enthalpy Power Exhaust with PDRYCB320 for use with Third-Party Thermostat. 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 Figure 66: LG Single Enthalpy Power Exhaust with PDRYCB320 for use with Third-Party Thermostat. 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 Figure 68: LG Single Dry Bulb Power Exhaust with PDRYCB320 for use with Third-Party Thermostat. 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 LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway Alpharetta, Georgia 30022 New Issue: IM_PowerExhaust_Acc_RTU_01_22 www.lghvac.com...

This manual is also suitable for:

Arnu483dda4Arnu603dda4Arnu723dda4

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