Instruction/ maintenance manual of the product PRCKD20E LG Electronics
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LG AHU CONTROL KIT Owner's Manual LG 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.
2 AHU CONTROL KIT AHU CONTROL KIT Owner's Man ual T ABLE OF CONTENTS ■ Saf ety Precautions ...............................................................3 ■ Necessar y sensor by oper ating mode ................................6 ■ P ar t Descr iption .
Safety Precautions Owner's Manual 3 ENGLISH ■ Installation 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.
Safety Precautions 4 AHU CONTROL KIT The electric construction must be performed by an electrician for electric installation based on the installation manual and designated circuit diagram. • Use of inappropriate wire and electric construction, can result in an electric shock or a fire.
Safety Precautions Owner's Manual 5 ENGLISH When installing the product, make sure to level the product. • It can cause vibration or leakage. Do not install the product at a location where flammable gas is leaking. • It can cause a fire or a problem to the product.
6 AHU CONTROL KIT Necessary sensor by operating mode Operating mode Necessary sensor Function SA temperature sensor RA temperature sensor - This runs indoor air conditioning. - Initial external air inlet setting is 30% of the air supply during the air conditioning and this can be changed by the user.
Owner's Manual 7 ENGLISH Part Description P ar t Description Name and Function of Remote Contr oller OPERATION INDICATION SCREEN SET TEMPERATURE Button WIRELESS REMOTE CONTROLLER RECEIVER • Some products don't receive the wireless signals.
8 AHU CONTROL KIT Basic operation of wired remote controller Press the Run/Stop button on the control par t of the remote controller to star t the operation. 1 Press the Operation Selection b utton to set the operating mode (Heating/Cooling etc.). 2 Press the T emperature Control b utton to set the desired temperature below the indoor temperature.
Main function of wired remote controller Owner's Manual 9 ENGLISH Every time you press the Run/Stop button, the ON and OFF will be repeated. 1 Every time you press the Operation Selection button, it will change in the order of Air Conditioner → Dehumidifier → Heater → P ower Sa ve → Fa n .
Main function of wired remote controller 10 AHU CONTROL KIT Every time you press the T emperature Control button and the Up/Do wn button, the desired temperature will change.
Owner's Manual 11 ENGLISH Supplementary function of wired remote controller Press the Additional Operation button. 1 When the Humidifier icon flashes in Displa y ‘ B ’ , press the Set/Cancel button to start the humidifier . 2 When you press the OK/CLEAR button one more time , the humidifier will stop .
12 AHU CONTROL KIT Supplementary function of wired remote controller Desired humidity contr ol Press the Function Setting button. 1 Set the Function Code of Displa y ‘ C ’ to 01. 2 Press the Up/Down b utton to set the target humidity . 3 Press the OK/CLEAR button to decide the desired humidity .
Owner's Manual 13 ENGLISH Supplementary function of wired remote controller Press the Additional Operation button. 1 When the A uto icon flashes in Displa y ‘ A ’ , press the OK/CLEAR button to start the Auto V entilator .
14 AHU CONTROL KIT Supplementary function of wired remote controller Press the Additional Operation button. 1 Set the Function Code of Displa y ‘ C ’ to 02. 2 Press the Up/Down b utton to set the target CO 2 le vel. 3 Press the OK/CLEAR button to set the target CO 2 le vel.
Owner's Manual 15 ENGLISH Reservation function of wired remote controller K eep pressing button f or 4 secs to enter Setting current time mode. Ex) Changing Current Time as 'Monda y / AM 10:20'. 1 Press ke y to adjust the current da y .
16 AHU CONTROL KIT Reservation function of wired remote controller Press button to mo ve to 'Minute' setting mode. (the 'Minute' segment will flash) 7 Setting Minute v alue by pressing button. 8 Press button to finish. 9 In the process, press button to release and e xit from setting mode.
Owner's Manual 17 ENGLISH Reservation function of wired remote controller Pr ogramming : Setting Simple Reservation Press button to enter the Programming mode . (the segment flashing) Ex) Setting Simple Reser v ation time as '3'. 1 Press button to adjust reser v ation time.
18 AHU CONTROL KIT Reservation function of wired remote controller Pr ogramming : Setting ON Reservation Press button. Ex) Setting ON Reser v ation Time as 'AM 10:20'. 1 Repeat pressing button to enter the ON reser v ation setting mode. ( segment flashing) 2 Press button to adjust AM/ PM setting.
Owner's Manual 19 ENGLISH Reservation function of wired remote controller Pr ogramming : Setting OFF Reservation Press button. Ex) Setting OFF Reser v ation Time as 'AM 10:20'. 1 Repeat pressing button to enter the OFF reser v ation setting mode.
20 AHU CONTROL KIT Reservation function of wired remote controller Pr ogramming : W eekly Reserv ation Press programming b utton to enter the Programming mode . Repeat pressing button to select [W eekly reser v ation]. (The segment will be flashed) Ex) Setting one action as below .
Owner's Manual 21 ENGLISH Reservation function of wired remote controller Press up , down button to adjust the Minute on Star t Time section. 7 Press right button to mov e to 'Hour' P ar t on OFF Time section. (The 'Hour' segment will be flashed) 8 Please ref er the process from No .
22 AHU CONTROL KIT Reservation function of wired remote controller Pr ogramming : Holida y Reservation Press button to enter the reser v ation setting mode. 1 Repeat pressing button to enter the holida y reser v ation setting mode. ( segment flashing) 2 Press button to mo ve to holida y position.
Owner's Manual 23 ENGLISH Setting function of wired remote controller installation 1 When you no w press the Function Setting button, the function code will change. 2 Press the Up/Down b utton to change the setting. 3 Press the Left/Right button to na vigate through the items.
24 AHU CONTROL KIT Setting function of wired remote controller installation Code 10: T est run (AHU has no function) Code 11: Central control address setting Code 12: Damper opening setting Code 13: R.
Setting function of wired remote controller installation Owner's Manual 25 ENGLISH Central contr ol address setting 1 Press the Function Setting button repeatedly to reach function code of ‘ 11 ’ . 2 Press the Right button to mov e to ‘ Setting of 1 ’ .
26 AHU CONTROL KIT Setting function of wired remote controller installation 1 Repeatedly press the Function Setting button to reach function code of ‘ 12 ’ . 2 Press the Right button to mov e to ‘ Setting of 1 ’ . 3 Press the Up/Down b utton to set the value.
Owner's Manual 27 ENGLISH Setting function of wired remote controller installation 5 Press the Up/Down b utton to select the damper opening. The damper opening that can be set is in the range of 1~91 degrees. 6 Press the OK/CLEAR button to complete the setting.
28 AHU CONTROL KIT Setting function of wired remote controller installation 1 Press the Function Setting button repeatedly to reach function code of ‘ 13 ’ . 2 Press the Right button to mo ve to ‘ Setting of 1 ’ . 3 Press the Up/Down b utton to set the value.
Owner's Manual 29 ENGLISH Manual operating mode 1 SA f an operating LED will be turned on. 2 When you set the SA F an Switch to OFF , the SA f an will stop operating and can be operated automatically with the wired remote controller . 3 When you set the SA F an Switch to ON, the SA f an will operate manually .
Check before requesting for service 30 AHU CONTROL KIT Chec k bef ore requesting f or ser vice When there is a problem with the product, check the following detail before requesting for service to the service center. Symptom Check Action The product does not work at all.
Owner's Manual 31 ENGLISH Test run T est run Self diagnosis function Error displa y Error displa y method ■ This function displays the self diagnosis and the type of error if identified. ■ For the error display, the applicable code is displayed on the 7 segment LED on the wired remote controller and AHU controller.
32 AHU CONTROL KIT Test run Error displa y (AHU) ■ ‘ ## ’ refers to the address information of the communication PCB. Display number Error item Cause of error Cause or error CH 2 ## CH 3 00 CH 4.
Owner's Manual 33 ENGLISH Test run Example of error Sequence of error Situation Error Pipe inlet temperature sensor error (Communication PCB rotary switch number: 01) CH 2 01 Communication error .
34 AHU CONTROL KIT.
P/No.: MFL62171702 After reading this manual, keep it in a place easily accessible to the user for future reference. Printed in Korea.
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If you already are a holder of LG Electronics PRCKD20E, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics PRCKD20E.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics PRCKD20E. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics PRCKD20E along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
