LG Electronics PRCKD20E manual

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. • Please retain this installation manual for future reference after reading it thoroughly. V i[...]

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 ...................................................................7 ■ Basic operation[...]

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. The seriousness is classified by the following indications. ■ Meanings o[...]

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. Technical standard for electric equipment Use designated ins[...]

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. Do not carry the product by yourself. • You can get injured by doing so. [...]

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. But, when the damper actuator is installed on AH[...]

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. VENTILATION Button OPERATION MODE SELECTION Button SUBFUNCTION Button FUNCTION SETTING Button EXIT[...]

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 . There are operating modes that can[...]

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. Air Conditioner/P ower Sa ve: 18~30 ° C / Heater : 16~30 ° C Dehumidifier/F an: Desired temperature cannot be changed 3 When you press the Indoor T emper ature button, the R[...]

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 . 3 B * Humidifier can only be set duri[...]

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 . 4 C Display C: Desired humidity (Function set by [...]

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 . 2 When you press the OK/CLEAR button one more time , the Auto V entilator will be canceled and return to the previous [...]

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. 4 C Display C: CO 2 le vel (Function set by code) * Code 02: Desired CO[...]

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 . 2 Press ke y to move to AM/ PM setting mode (the 'AM/ PM segment will flash). 3 Setting AM/ P[...]

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. (In case of e xit with incomplete inf or[...]

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. 2 Press button to finish setting. 3 Adjusting the reser v at[...]

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. 3 Press button to Hour setting mode. When [...]

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. ( segment flashing) 2 Press button to adjust AM/ PM setting. 3 Press button to shift to [...]

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 . - Da y : TUE - ON Time : 11:30 AM - OFF Time : 12:30 PM 1 Press lef[...]

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 .5 to No .7 for setting OFF Time. It is sa[...]

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. 3 Press button to set or release a selected da y as [...]

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. 4 Press the Set/Cancel button to complete the setting. 5 C Press th[...]

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: Remote controller Master/Slav e setting Displa y C: Installation setting display Function Code Setting1 Setting2 Setting function b y code[...]

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 ’ . 3 Press the Up/Down b utton to set the central control address. 4 Press the Set/Can[...]

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. ‘ Setting of 1 ’ f or each mode is as follows . * Cooling mode [ ‘ 01 ’ (O[...]

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. 7 C Press the Right button to mo ve to ‘ Setting of 2 ’ b y each mode. Air cond[...]

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. Setting value of ‘ 01 ’ is the Master and ‘ 00 ’ is the Slav e. 4 Press th[...]

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 . 1 RA f an operating LED will be t[...]

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. The cool air does not flow continuously. I cannot set the scheduled operation.[...]

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. ■ If there are 2 or mo[...]

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 ## CH 5 ## CH 6 ## CH 8 00 CH 13 01 02 04 CH 14 01 02 03 CH 15 00 CH 16 05 06 CH 17 01 02 Temperature sensor error at pipe inlet of indoor unit Commu[...]

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 between communication PCB and outdoor unit CH 5 05 (Communication PCB rotary switch number: 05) SA duct temperature error CH 13 02 RA duct humidity er[...]

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P/No.: MFL62171702 After reading this manual, keep it in a place easily accessible to the user for future reference. Printed in Korea[...]