LG PDRYCB320 Dry Contact for Thermostat User Guide

PDRYCB320

Dry Contact for Thermostat

Electrical:
Power Supply 12 VDC (from indoor unit)
Surrounding Conditions:
Operating Temperature 14 to 1580F
Storage Temperature ‐4 to 1760F
Humidity 0 to 98% (non‐condensing)
Unit Data:
Dimensions 4‐1/8″ W x 3‐1/16″ H x 1‐3/8″ D
Contact Rating 3A @ 125 VAC
Connectivity:
LG Communications 30” Wiring Harness (included)

Standard Features:

  • Control indoor unit operation with 3rd party thermostat or controller
  • Inputs for control of Unit On/Off, Thermo On/Off, Mode (Cool/HeaFan), and Fan Speed (Low, Med, High).
  • Universal input to set a desired setpoint using DC Voltage or resistance.
  • Setpoint Tracking Logic for improved inverter utilization.
  • Outputs for Operation and Error Status.
  •  Compatible with all Multi V and select DFS units.

Notes:

  1. For a complete list of compatible IDUs, contact your LG representative.
  2. Must follow installation instructions in the applicable LG installation manual.

Wiring:
For setting desired temperature using Universal Input:
2.5 ‐ 8.5 VDC (640F to 860F)
2.8 ‐ 8.5 (kOhm) (640F to 860F)

Parts Description:

  1. CN_INDOOR: Connector for indoor unit.
  2. VS_SW: Switch to select External Voltage or Non-Voltage for input contact signal.
  3. CN_OUT (O1, O2): Output terminal to show whether the indoor unit is operating (Relay contact).
  4. CN_OUT (E3, E4): Output terminal to show whether there is an error with the indoor unit (Relay contact).
  5. TEMP_SW: Switch to set the desired temperature of the indoor unit.
  6. OPER_SW: Switch to select whether to use a set function of Dry contact.
  7. CN_OPER: Input terminal for thermo & operation signal.
  8. CN_MODE: Input terminal for Mode signal.
  9. CN_WIND: Input terminal for Windsignal.
  10. LD01: LED to display the status of Dry contact Module.
  11. RST_SW: Reset switch.
  12. CN_AI: Input terminal for Universal Input. 13.SETTING_SW: Switch to select the Universal Input.

For input contact voltage: DC 5‐12 V, 24 V~

SB_DryContact_Therm_PDRYCB320_2020_01_30_093624

or continual product development, LG reserves the right to change specifications without notice. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com