LG PRCKD20E Owner's Manual
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LG PRCKD20E Owner's Manual

LG PRCKD20E Owner's Manual

Ahu control kit
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LG
AHU CONTROL KIT
Owner's Manual
Models: PRCKD20E
PRCKD40E
Visit us at : http://www.lgservice.com
IMPORTANT
• 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.
LG

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Summary of Contents for LG PRCKD20E

  • Page 1 AHU CONTROL KIT Owner's Manual Models: PRCKD20E PRCKD40E Visit us at : http://www.lgservice.com IMPORTANT • 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.

  • Page 2: Table Of Contents

    AHU CONTROL KIT Owner's Manual TABLE OF CONTENTS I Safety Precautions...3 I Necessary sensor by operating mode ...6 I Part Description ...7 I Basic operation of wired remote controller...8 I Main function of wired remote controller ...9 I Supplementary function of wired remote controller ...11 I Humidifier...11 I Desired humidity control ...12 I Auto ventilation ...13...

  • Page 3: Safety Precautions

    Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING CAUTION I Meanings of symbols used in this manual are as shown below.
  • Page 4 Safety Precautions When opening the box or installing the product, be careful of any sharp objects. • It can cause an injury. The electric construction must be performed by an electrician for electric installation based on the installation manual and designated circuit diagram.
  • Page 5 Do not put containers with water on top of the product. • If the water spills over, it can cause a fire or an electric shock. I Operation When installing the product, make sure to level the product. • It can cause vibration or leakage.

  • Page 6: I Necessary Sensor By Operating Mode

    Necessary sensor by operating mode Necessary sensor by operating mode Operating mode Necessary sensor SA temperature sensor Cooling RA temperature sensor SA temperature sensor Heating RA temperature sensor SA temperature sensor RA temperature sensor Energy saving OA temperature/ humidity sensor Damper actuator SA temperature sensor RA temperature sensor...

  • Page 7: Part Description

    Part Description Name and Function of Remote Controller Please attach the inform label inside of the door. Please choose proper language defend on your country. • 3/4/12/13 does not work. • 6 Additional operation button depends on the application of the sensor. OPERATION INDICATION SCREEN SET TEMPERATURE Button...

  • Page 8: I Basic Operation Of Wired Remote Controller

    Basic operation of wired remote controller Basic operation of wired remote controller 8 AHU CONTROL KIT Press the On/Off button on the control part of the remote controller to start the operation. Press the Operation Selection button to set the operating mode (Cooling/Heating etc.).

  • Page 9: I Main Function Of Wired Remote Controller

    Main function of wired remote controller Main function of wired remote controller Every time you press the On/Off button, the ON and OFF will be repeated. Every time you press the Operation Selection button, it will change in the order of Cooling →...
  • Page 10 Main function of wired remote controller Current humidity / CO level Function Setting Code (Function set by code) * Code 01: Current humidity * Code 02: Current CO level : Current humidity : Current CO level (Example) <Current humidity: 50%> <Current CO level: 1500ppm>...

  • Page 11: I Supplementary Function Of Wired Remote Controller

    Supplementary function of wired remote controller Humidifier Supplementary function of wired remote controller Press the Additional Operation button. When the Humidifier icon flashes in Display ‘B’, press the Set/Cancel button to start the humidifier. When you press the OK/CLEAR button one more time, the humidifier will stop.

  • Page 12: I Desired Humidity Control

    Supplementary function of wired remote controller Desired humidity control 12 AHU CONTROL KIT Press the Function Setting button. Set the Function Code of Display ‘C’ to 01. Press the Up/Down button to set the target humidity. Press the OK/CLEAR button to decide the desired humidity.

  • Page 13: Auto Ventilation

    Auto ventilation Supplementary function of wired remote controller Press the Additional Operation button. When the Auto icon flashes in Display ‘A’, press the OK/CLEAR button to start the Auto Ventilator. When you press the OK/CLEAR button one more time, the Auto Ventilator will be canceled and return to the previous operating condition.

  • Page 14: I Desired Co Level Control

    Supplementary function of wired remote controller Desired CO level control 14 AHU CONTROL KIT Press the Additional Operation button. Set the Function Code of Display ‘C’ to 02. Press the Up/Down button to set the target CO level. Press the OK/CLEAR button to set the target CO level.

  • Page 15: I Reservation Function Of Wired Remote Controller

    Reservation function of wired remote controller Changing Current Time Reservation function of wired remote controller Keep pressing button for 4 secs to enter Setting current time mode. Ex) Changing Current Time as 'Monday / AM 10:20'. Press key to adjust the current day.
  • Page 16 Reservation function of wired remote controller 16 AHU CONTROL KIT Press button to move to 'Minute' setting mode. (the 'Minute' segment will flash) Setting Minute value by pressing button. Press button to finish. In the process, press button to release and exit from setting mode.

  • Page 17: I Programming : Setting Simple Reservation

    Programming : Setting Simple Reservation In case of there is not any reservation setup on system, it is possible to make a SIMPLE reservation on indoor unit. ❊ If the indoor is ON, we can make the reservation for turning OFF. In reserve, if the indoor is OFF, we can set the timer for turning ON.

  • Page 18: I Programming : Setting On Reservation

    Reservation function of wired remote controller Programming : Setting ON Reservation This function is able to turn air conditioner ON after a setting time. 18 AHU CONTROL KIT Press button. Ex) Setting ON Reservation Time as 'AM 10:20'. Repeat pressing enter the ON reservation setting mode.

  • Page 19: I Programming : Setting Off Reservation

    Programming : Setting OFF Reservation This function is able to turn air conditioner OFF after a setting time. Reservation function of wired remote controller Press button. Ex) Setting OFF Reservation Time as 'AM 10:20'. Repeat pressing button to enter the OFF reservation setting mode.

  • Page 20: I Programming : Weekly Reservation

    Reservation function of wired remote controller Programming : Weekly Reservation The weekly reservation is active after setting current time Press programming button to enter the Programming mode. Repeat pressing button to select [Weekly reservation]. (The segment will be flashed) Ex) Setting one action as below. - Day : TUE - ON Time : 11:30 AM - OFF Time : 12:30 PM...
  • Page 21 Press up, down button to adjust the Minute on Start Time section. Press right button to move to 'Hour' Part on OFF Time section. (The 'Hour' segment will be flashed) Please refer the process from No.5 to No.7 for setting OFF Time. It is same method.

  • Page 22: I Programming : Holiday Reservation

    Reservation function of wired remote controller Programming : Holiday Reservation This function is to automatically stop the machine working on some days. 22 AHU CONTROL KIT Press button to enter the reservation setting mode. Repeat pressing button to enter the holiday reservation setting mode.

  • Page 23: I Setting Function Of Wired Remote Controller Installation

    Setting function of wired remote controller installation How to start installation setting mode Setting function of wired remote controller installation Press the Function Setting button for more than 3 seconds and the Code will be displayed on Display ‘C’ to enter the installation mode.

  • Page 24: I Setting Function By Code

    Setting function of wired remote controller installation Setting function by code Code 10: Test run (AHU has no function) Code 11: Central control address setting Code 12: Damper opening setting Code 13: Remote controller Master/Slave setting Display C: Installation setting display Function Setting1 Code...

  • Page 25: I Central Control Address Setting

    Central control address setting Setting function of wired remote controller installation Enter the Installation Setting mode. Press the Function Setting button repeatedly to reach function code of ‘11’. Press the Right button to move to ‘Setting of 1’. Press the Up/Down button to set the central control address.

  • Page 26: I Damper Opening Setting

    Setting function of wired remote controller installation Damper opening setting 26 AHU CONTROL KIT Enter the Installation Setting mode. Repeatedly press the Function Setting button to reach function code of ‘12’. Press the Right button to move to ‘Setting of 1’. Press the Up/Down button to set the value.
  • Page 27 Setting function of wired remote controller installation Press the Right button to move to ‘Setting of 2’ by each mode. Flashes Press the Up/Down button to select the damper opening. The damper opening that can be set is in the range of 1~91 degrees.

  • Page 28: I Remote Control Master/Slave Setting

    Setting function of wired remote controller installation Remote control Master/Slave setting 28 AHU CONTROL KIT Enter the Installation Setting mode. Press the Function Setting button repeatedly to reach function code of ‘13’. Press the Right button to move to ‘Setting of 1’. Press the Up/Down button to set the value.

  • Page 29: I Manual Operating Mode

    Manual operating mode SA fan operation (Operating LED) (Selector switch) RA fan operating LED SA fan operating LED Wired remote controller SA fan switch RA fan switch When you set the SA Fan Switch to ON, the SA fan will operate manually. SA fan operating LED will be turned on.

  • Page 30: I Check Before Requesting For Service

    Check before requesting for service Check before requesting for service When there is a problem with the product, check the following detail before requesting for service to the service center. Symptom The product does * Is the main switch turned off? not work at all.

  • Page 31: I Test Run

    Test run Self diagnosis function Error display I This function displays the self diagnosis and the type of error if identified. I For the error display, the applicable code is displayed on the 7 segment LED on the wired remote controller and AHU controller.

  • Page 32: Error Display

    Test run Error display (AHU) I ‘##’ refers to the address information of the communication PCB. Display Error item number CH 2 ## Temperature sensor error at pipe inlet of indoor unit CH 3 00 Communication error between wired remote controller and AHU controller CH 4 ##...

  • Page 33: Example/Sequence Of Error

    Example of error Pipe inlet temperature sensor error (Communication PCB rotary switch number: 01) Communication error between communication PCB and outdoor unit (Communication PCB rotary switch number: 05) SA duct temperature error RA duct humidity error Sequence of error * The occurrence of error is displays in the order of 1 * Refer to page 43 for details of 2 and 3 .
  • Page 34 34 AHU CONTROL KIT...
  • Page 35 P/No.: MFL62171702 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

This manual is also suitable for:

Prckd40e

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