LG PQDSBC1 Installation Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Air Conditioner
  5. PQDSBC1
  6. Installation manual
LG PQDSBC1 Installation Manual

LG PQDSBC1 Installation Manual

Dry contact with economizer interface
Hide thumbs Also See for PQDSBC1:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Installation Manual
DRY CONTACT with
ECONOMIZER INTERFACE

INSTALLATION MANUAL

Controls for
Multi V
Systems
™
Model PQDSBC1

Advertisement

Table of Contents
loading

Related Manuals for LG PQDSBC1

Summary of Contents for LG PQDSBC1

  • Page 1: Installation Manual

    DRY CONTACT with ECONOMIZER INTERFACE INSTALLATION MANUAL Controls for Multi V Systems ™ Model PQDSBC1...
  • Page 2 For continual product development, LG Electronics U.S.A., Inc., reserves the right to change specifications without notice. ©LG Electronics U.S.A., Inc. This document, as well as all reports, illustrations, data, information, and other materials are the property of LG Electronics U.S.A., Inc.

  • Page 3: Table Of Contents

    Operating Mode Selection (C, D) ......................13 Economizer Control Mode (E) ......................13 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: Safety Precautions

    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 5: Unit Description

    Dry Contact with Economizer Interface This manual describes how to install and configure the Dry Contact with Economizer Interface, Model PQDSBC1. The dry contact is used with LG Electronics’ Variable Refrigerant Flow (VRF) Systems. The Economizer is an indoor unit (IDU) that allows or prevents outside air entering conditioned spaces through the air ducts of the VRF system.

  • Page 6: Installation

    4. Remove the cover of the IDU control box. 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: Install The Optional Pi485 Module

    Typical PI485 Interface PCB. Also connects to central controller. CN_PI485 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: Connect Input Signal Cables

    Figure 6: Input Signal Cables with Power Option USED Field Supplied Components 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: Connect Output Signal Cables

    Set Rotary Switch to E Switch 2 ON Switch 2 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 10: Configuring The Fixed Setpoint Function

    4. If you are finished wiring and configuring the dry contact, reapply IDU power, press the dry contact reset switch (Figure 1, item 11), and reinstall the dry contact front cover. 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: Control Mode: Off (0)

    Indoor unit prior operating condition maintained, unlocked Indoor unit operating, unlocked 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: General Mode (1 - 6) - Continued

    Indoor unit stopped, locked Indoor unit stopped, locked 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: Compressor Stop Mode (B)

    Indoor unit operating with thermal off in cooling mode, unlocked 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 CTRL-IM-CQ-001-US_013M02...

Table of Contents