LG PDRYCB400 Installation Manual
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LG PDRYCB400 Installation Manual

Air conditioners dry contact module - 2 contact points
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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
Points Dry Contact (For Setback)
PDRYCB400
P/NO : MFL69265519
www.lg.com

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Summary of Contents for LG PDRYCB400

  • Page 1 Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Please retain this installation manual for future reference after reading it thoroughly. Points Dry Contact (For Setback) PDRYCB400 www.lg.com P/NO : MFL69265519...
  • Page 2 Dry Contact for setback Unit Installation Manual TABLE OF CONTENTS Safety Precautions ............. 3~5 Part Description ..............6 Installation....................7 Setting and using method ..........9~16 1. Power supply and indoor unit connection ...........9 2. Setting of Contact Signal Input............10 3. Setting the desired temperature ............11 4.

  • Page 3: Safety Precautions

    Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
  • Page 4 Safety Precautions Do not install the product Do not install the unit in Do not put the product in the place where rain can humid locations. closer to fire. get to the product. • Cause fire • Cause product failure •...
  • Page 5 Safety Precautions Do notspill water inside of If the product has been in- Children and elderly use the the product. undated, you must refer to a product under the service center or installation guardian’s supervision. shop. • Cause electric shock or •...

  • Page 6: N Part Description

    Part Description Part Description Front Case Rear Case Metal Case (Front) Metal Case (Rear) CN_OUT VOLT VOLT TEMP SETTING Rubber PCBA Side Isolation Sheet Cable 1EA User/Installation (for connecting with indoor unit) Manual *Other : Screw (For installation, 4EA) *Other : Clamp (For installation, 4EA) DRY CONTACT FOR SETBACK 1.

  • Page 7: Installation

    Part Description Installation 1) Loosen and remove two screws that secures the product. 2) Remove the front metal case by pressing the marked points. 3) Position the rear case to the direction towards to the connector for convenient cable arrangement. 4) Remove 4 screws, for strapping wires.
  • Page 8 Part Description 6) Remove knock out shapes on the rear case (2-sided) according to the connector’s size and direc- tion. 7) Connect the connection wires properly according to the connection method. (Refer to the instruction and set-up description) 8) Set the switch according to the setting method. (Refer to the instruction and set-up description) 9) Hang the front of the case to the rear case hook and tighten the fixing screws on the bottom part.

  • Page 9: Power Supply And Indoor Unit Connection

    Setting and using method Setting and using method You must press the RESET switch when you are completed with all the settings to reflect the set- tings. 1. Power supply and indoor unit connection n When using the Dry Contact For Setback independently Indoor unit CN_INDOOR CN_INDOOR...

  • Page 10: Setting Of Contact Signal Input

    Setting and using method 2. Setting of Contact Signal Input n For no power contact point signal input LG does not supply this section (Local supply) VOLT / COMMON n For power contact point signal input LG does not supply this section...

  • Page 11: Setting The Desired Temperature

    Setting and using method 3. Setting the desired temperature n When setting the desired temperature of the Dry Contact For Setback : When operating the indoor unit, set the desired temperature according to the TEMP_SW setting. When the indoor unit is unlocked, the desired temperature can be reset by other controller 1) Turn on the TEMP_SETTING switch of SETTING_SW.

  • Page 12: Control Mode Setting

    Setting and using method 4. Control mode setting n Use the CONTROL_MODE_SW to set the control mode you want from 0~E. CONTROL_MODE_SW Ú Indoor control priority Central control > Dry Contact For Setback > Wired/Wireless remote controller, indoor unit button Ú...
  • Page 13 Setting and using method 2) General mode CONTROL_ Input A Input B Operating mode MODE S/W Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit operating, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit stopped, locked...
  • Page 14 Setting and using method 3) Fan level setting mode CONTROL_ Input A Input B Operating mode MODE S/W Indoor unit operating at low level, locked Indoor unit operating at low level, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit operating at low level, locked Indoor unit operating at low level, unlocked Indoor unit stopped, locked...
  • Page 15 Setting and using method 5) Compressor stop mode CONTROL_ Input A Input B Operating mode MODE S/W Indoor unit operating (Compressor in stop mode), locked Indoor unit prior operating condition maintained (Compressor not in stop mode), unlocked Indoor unit stopped, locked Indoor unit stopped, locked Ú...

  • Page 16: Indoor Unit Monitoring

    Setting and using method 5. Indoor unit monitoring n Monitoring operation and error status : Refer to below and connect to the control device that you want to control. 1) Turn Off the 2 switch of SETTING_SW. Local Supply Local Supply Power Power Error Display...

  • Page 17: N Environmental Information

    Toll Free No. 1800-180-9999 for details. All collection centre and pick up facilities are done by third parties with LG Electronics India Pvt. Ltd. Merely as a facilitator. For more detailed information , please visit : http://www.lge.com/in.
  • Page 18 Environmental information 1800-180- 9999 http://www.lge.com/in 18 Dry Contact for setback...

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