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LG PDRYCB300 Installation Manual

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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this usage/installation manual completely before installing the product.
Usage/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.
Dry Contact For Thermostat
PDRYCB300
P/NO : MFL69265517
www.lg.com

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  Summary of Contents for LG PDRYCB300

  • Page 1 Please read this usage/installation manual completely before installing the product. Usage/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. Dry Contact For Thermostat PDRYCB300 www.lg.com P/NO : MFL69265517...
  • Page 2: Table Of Contents

    Dry contact for thermostat Owner’s & installation manual TABLE OF CONTENTS Safety Precautions ............. 3~5 ■ Name of each part ..............6 ■ Installation Method ............. 7~8 ■ Installation....................7 Setting and using method ..........9~20 ■ 1. Power supply and indoor unit connection ...........9 2.
  • 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. ■ 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

    Safety Precautions Do not spill water inside of If the product has been Children and elderly use the the product. inundated, you must refer to product under the a service center or guardian’s supervision. installation shop. • Cause electric shock or •...
  • Page 6: Name Of Each Part

    Name of each part Name of each part Front Case Rear Case ISO View Side Side * Others : Screw 4 EA(For installation) Clamp 4 EA(For installation) Cable(1 EA) Installation Manual (For Connecting with indoor unit) DRY CONTACT FOR THERMOSTAT 1.
  • Page 7: Installation Method

    Installation Method Installation Method Installation 1) Loosen and remove two screws that secure the product. 2) Position the rear case to the direction towards to the connector for convenient cable arrangement. 3) Secure the rear case on the installation place using the supplied fixing screws.
  • Page 8 Installation Method 5) Connect the connection wires properly according to the connection method. (Refer to the instruction and set-up description) 6) Set the switch according to the setting method. (Refer to the instruction and set-up description) 7) Tighten the fixing screws on the top and bottom of the case. 1.
  • Page 9: Setting And Using Method

    Setting and using method Setting and using method After change any Dry contact setting, then you must press RESET switch to reflect the setting. 1. Power supply and indoor unit connection ■ When using the Dry contact for communication independently CN_Ther/Oper CN_MODE CN_WIND...
  • Page 10: Setting Of Contact Signal Input

    Setting and using method 2. Setting of Contact Signal Input ■ For input contact closure only(No power input) Thermostat LG does not supply this section (Field supply) CHANGE OVER_SW CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW RESET_SW SETTING_SW Notes DISPLAY_LED Do not input the voltage signal in "NON VOLT"...
  • Page 11: Setting Of 'Setting_Sw

    Setting and using method 3. Setting of ‘SETTING_SW’ ■ Using ‘SETTING_SW’ , select the Option of control Function as described below CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW RESET_SW SETTING_SW DISPLAY_LED TEMP_SW SETTING_SW CN_OUT <SETTING_SW Function> WIND Signal Thermal Oper Mode Dry Contact Control en/disable en/disable en/disable...
  • Page 12 Setting and using method ■ Flow Chart for ‘SETTING_SW’ -. When not using WIND signal Use WIND Signal? Set the switch ‘0 ~ 7’ Use Thermal function? Set the switch ‘0 ~ 3’ Set the switch ‘4 ~ 7’ Use Operation mode? Use Operation mode? Set the switch ‘0 ~ 1’...
  • Page 13 Setting and using method ■ Function table for the selection of ‘SETTING_SW’ and the input signal CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW SETTING_SW RESET_SW SETTING_SW CN_MODE input SETTING Function HEAT COOL COOL HEAT 2,3,6,7,A,B,E,F Others CN_WIND input Function SETTING Middle High High Middle 8,9,A,B,C,D,E,F Others...
  • Page 14: Setting Of 'Temp_Sw

    Setting and using method 4. Setting of ‘TEMP_SW’ ■ When setting the desired temperature of the Dry contact Module : When operating the indoor unit using Dry contact module’s desired temperature, set the desired temperature according to the ‘TEMP_SW’ setting. If Thermostat priority control mode is disabled, the desired temperature can be reset by other controller - Use the ‘TEMP_SW’...
  • Page 15: Installation Of Thermostat

    Setting and using method 5. Installation of thermostat ■ When interlocking with thermostat, select the option of control function as described below. CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW SETTING_SW RESET_SW SETTING_SW DISPLAY_LED TEMP_SW TEMP_SW CN_OUT <Switch Function> TEMP_SW SETTING_SW Thermostat mode WIND Signal en/disable Disable Conventional AC Unit Thermostat Enable...
  • Page 16 Setting and using method ■ Details of Installation for thermostat 1) In case of Occupancy sensor, - When motion is detected by the sensor, Indoor unit is enabled. - Otherwise, Indoor unit is disabled. 2) In case of Emergency Stop or Security option. - When emergency condition occurs, Indoor unit is disabled.
  • Page 17 Setting and using method ■ For conventional thermostat signal input Thermostat LG does not supply this section (Field supply) 24 V~ R G W Y CHANGE OVER_SW CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW RESET_SW SETTING_SW DISPLAY_LED TEMP_SW CN_OUT Thermostat Fan & System Switch...
  • Page 18 Setting and using method ■ For heat pump thermostat with O terminal signal input Thermostat LG does not supply this section (Field supply) 24 V~ R Y G O CHANGE OVER_SW CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW RESET_SW SETTING_SW DISPLAY_LED TEMP_SW CN_OUT Thermostat Fan &...
  • Page 19 Setting and using method ■ For heat pump thermostat with B terminal signal input Thermostat LG does not supply this section (Field supply) 24 V~ R Y G B CHANGE OVER_SW CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW RESET_SW SETTING_SW DISPLAY_LED TEMP_SW CN_OUT Thermostat Fan &...
  • Page 20: Indoor Unit Monitoring

    Setting and using method 6. Indoor unit monitoring ■ Monitoring whether the indoor unit is operating: Refer to below and connect to the control device that you want to control. CN_Ther/Oper CN_MODE CN_WIND CHANGEOVER_SW RESET_SW SETTING_SW DISPLAY_LED TEMP_SW CN_OUT Field Supply Power Operation Display AC or DC...