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LG PRCKD20E, Owner'S Manual, Page: 24 / 35

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24

AHU CONTROL KIT

Setting function of wired remote controller installation

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 

Code

Setting1 Setting2

Setting function by code

Summary of Contents for PRCKD20E

Page 1: ...e 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 Visit us at http www lgservice com Models PRCKD20E PRCKD40E ENGLISH ITALIANO ESPAÑOL FRANÇAIS PORTUGUESE ...

Page 2: ... remote controller 15 Changing Current Time 15 Programming Setting Simple Reservation 17 Programming Setting ON Reservation 18 Programming Setting OFF Reservation 19 Programming Weekly Reservation 20 Programming Holiday Reservation 22 Setting function of wired remote controller installation 23 How to start installation setting mode 23 Setting function by code 24 Central control address setting 25 ...

Page 3: ...nstalled it can cause a fire or an electric shock Do not use damaged circuit breaker or exclusive switch It can cause a fire or an electric shock Do not store or use flammable gas or volatile substance near the air conditioner It can cause a fire or problem to the product Do not bend or damage the power cable It can cause a fire or an electric shock For the electric construction request for servic...

Page 4: ...ave the product near a heating device It can cause a fire Do not change or expend the power cord arbitrarily It can cause a fire or an electric shock Use exclusive cable for the product It can cause a fire or an electric shock If you hear or smell a weird sound or odor or if you see smoke from the product or if you experience a power outage pull down the main power switch If not it can cause a fir...

Page 5: ...akage 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 Operation CAUTION 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 ...

Page 6: ...re humidity sensor on the AHU the dehumidification operation cannot be selected This is the operating function to control the humidity to the set value by detecting the indoor humidity level This can be selected during heating operation But if there is no humidifier humidifying valve and RA temperature humidity sensor on the AHU the humidification operation cannot be selected When the mixing tempe...

Page 7: ...UNCTION Button FUNCTION SETTING Button EXIT Button ON OFF Button ROOM TEMPERATURE Button RESET Button FAN SPEED Button AIR FLOW Button RESERVATION TIME SETTING Button SETTING CANCEL Button UP DOWN LEFT RIGHT Button 1 9 12 11 13 3 5 6 2 4 10 14 15 7 8 16 Please attach the inform label inside of the door Please choose proper language defend on your country 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 3 4 ...

Page 8: ...etc 2 Press the Temperature Control button to set the desired temperature below the indoor temperature Based on air conditioning operation 3 When you press the On Off button during use the operation will stop 4 Example Remote controller display window Indoor temperature Desired temperature During the initial operation the desired temperature is automatically set below the indoor temperature Basic ...

Page 9: ...epeated 1 Every time you press the Operation Selection button it will change in the order of Cooling Dehumidification Heating Energy saving Ventilation There are operating modes that cannot be set depending on the applied sensor 2 Cooling Dehumidification Heating Energy saving Ventilation Main function of wired remote controller ...

Page 10: ...f AHU will be displayed for about 5 seconds 4 To check the current humidity press the Left button when the indoor temperature is displayed and the indoor humidity will be displayed at Display C To check the current CO2 level press the Right button when the indoor temperature is displayed and the current CO2 level will be displayed at Display C 5 Current humidity CO2 level Function set by code Code...

Page 11: ...ancel 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 during heating operation Humidification operation can only be used when the humidifier is installed The humidification operation is controlled by the desired temperature set Supplementary function of wired remote controller Humidifier ...

Page 12: ... to 01 2 Press the Up Down button 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 code Code 01 Desired humidity Desired humidity Function Code Setting Example Desired humidity 50 Desired humidity can be controlled in the range of 40 60 by 5 increment Default humidity is set to 50 ...

Page 13: ...the Auto icon flashes in Display A press the OK CLEAR button to start the Auto Ventilator 2 When you press the OK CLEAR button one more time the Auto Ventilator will be canceled and return to the previous operating condition 3 A Auto ventilation Auto Ventilator function can only be set during the Cooling Heating operation ...

Page 14: ...on to set the target CO2 level 3 Press the OK CLEAR button to set the target CO2 level 4 C Display C CO2 level Function set by code Code 02 Desired CO2 level Desired CO2 level Function Code Setting Example Desired CO2 level 500ppm Desired CO2 level control Desired CO2 level can be controlled in the range of 500 1500ppm by 100ppm increment Default humidity is set to 1000ppm ...

Page 15: ...nt Time as Monday AM 10 20 1 Press key to adjust the current day 2 Press key to move to AM PM setting mode the AM PM segment will flash 3 Setting AM PM value by pressing button 4 Press button to move to Hour setting mode the Hour segment will flash 5 Setting Hour value by pressing button 6 Reservation function of wired remote controller Changing Current Time ...

Page 16: ...to move to Minute setting mode the Minute segment will flash 7 Setting Minute value by pressing button 8 Press button to finish 9 In the process press button to release and exit from setting mode In case of exit with incomplete information it will return to the previous setting 10 ...

Page 17: ...ust reservation time 2 Press button to finish setting 3 Adjusting the reservation time after finish reservation setting will release the previous one 4 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 T...

Page 18: ...tting mode segment flashing 2 Press button to adjust AM PM setting 3 Press button to Hour setting mode When the Hour icon flash please setting time The setting range is within 1 12 4 Press button to shift to Minute setting mode When the Minute icon flash please setting minute the setting range is within 00 59 5 Press button to finish setting 6 This function is able to turn air conditioner ON after...

Page 19: ...tting mode segment flashing 2 Press button to adjust AM PM setting 3 Press button to shift to Hour setting mode When the Hour icon flash please setting time The setting range is within 1 12 4 Press button to shift to Minute setting mode When the Minute icon flash please setting minute the setting range is within 00 59 5 Press button to finish setting 6 This function is able to turn air conditioner...

Page 20: ... Time 11 30 AM OFF Time 12 30 PM 1 Press left right button to adjust the current day 2 Press up down button to adjust the action number 3 Press right button to move to Hour Part on ON Time section The Hour segment will be flashed 4 Press right button to move to Minute Part on Start time section The Minute segment will be flashed 6 Press up down button to adjust the Hour on Start Time section 5 Sta...

Page 21: ...ou finish the setting press setting cancel button to complete programming The under bar segment will be created when it finished 10 Please refer the process from No 2 to No 10 for setting other day weekly program It is same method 11 Press exit button to exit or system will automatically release without any input after 25 seconds 12 Off Time Section Description of weekly reservation Start Time Sec...

Page 22: ...liday position 3 Press button to set or release a selected day as holiday or not the holiday is indicated with a underline 4 If there is any holiday from Monday to Sunday segment on LCD will be displayed 5 Press the button to exit or if there is not any input system will release any setting after 10 seconds 6 It is possible to set the air conditioner OFF in every holiday ex 9 00 10 00 13 00 7 This...

Page 23: ...own button to change the setting 3 Press the Left Right button to navigate through the items 4 Press the Set Cancel button to complete the setting 5 C Press the Function Setting button for more than 3 seconds and the Code will be displayed on Display C to enter the installation mode How to start installation setting mode Setting function of wired remote controller installation ...

Page 24: ... installation 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 Code Setting1 Setting2 Setting function by code ...

Page 25: ...ess the Right button to move to Setting of 1 3 Press the Up Down button to set the central control address 4 Press the Set Cancel button to complete the central control address setting 5 Enter the Installation Setting mode Flashes Flashes Central control address Display C Installation setting display Function Code Setting1 Setting2 This is the function to set the central control address of AHU ...

Page 26: ...ing of 1 3 Press the Up Down button to set the value Setting of 1 for each mode is as follows Cooling mode 01 OA 02 EA 03 Mixing Heating mode 04 OA 05 EA 06 Mixing Fan mode 07 OA 08 EA 09 Mixing 4 C Enter the Installation Setting mode Cooling OA damper Heating OA damper Fan OA damper Display C Installation setting display Function Code Setting1 Setting2 Flashes Flashes Damper opening setting ...

Page 27: ...e OK CLEAR button to complete the setting 7 C Press the Right button to move to Setting of 2 by each mode Cooling external damper opening of 40 Heating external damper opening of 40 Fan external damper opening of 40 Display C Installation setting display Function Code Setting1 Setting2 Flashes This is the function to set the damper opening of AHU This applies only to the site where the damper actu...

Page 28: ...to set the value Setting value of 01 is the Master and 00 is the Slave 4 Press the OK CLEAR button to complete the setting 5 C Enter the Installation Setting mode Display C Installation setting display Function Code Setting1 Setting2 Flashes Flashes Master Slave Remote control Master Slave setting This is the function to set the mainly used remote controller You can set one remote controller as th...

Page 29: ...top operating and can be operated automatically with the wired remote controller 3 When you set the RA Fan Switch to ON the RA fan will operate manually 3 4 5 1 1 2 3 4 5 2 Operating LED Selector switch RA fan operating LED SA fan operating LED Wired remote controller SA fan switch RA fan switch The SA switch of the control kit during AHU operation with the wired remote controller must be maintain...

Page 30: ...the desired temperature set higher than the indoor temperature Is the product running in Dehumidifier Power save mode Is the schedule properly set Did you check the current time Is the OFF schedule set Turn on the main power switch Check the other electric appliances If the power works try operating the product again Request for service to the installation service provider or the service center Se...

Page 31: ...address the communication PCB refers to the rotary switch number on the communication PCB The above table shows the information of the attached location by sensor Error type Display condition Example of output Detail description Basic error CH Error code 0 CH30 Error 3 Communication PCB error CH Error code Address CH204 Error 2 in communication PCB with address of 4 Sensor error CH Error code Loca...

Page 32: ...ssure RA SA Temperature sensor disconnection or short circuit at pipe inlet of indoor unit No communication signal for more than 3 minutes from wired remote controller to the AHU controller No communication signal for more than 3 minutes from communication PCB to AHU controller No communication signal for 5 minutes continuously from communication PCB to outdoor unit Temperature sensor disconnectio...

Page 33: ...tion 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 error CH 14 01 The occurrence of error is displays in the order of 1 2 3 on 7 segment Refer to page 43 for details of 2 and 3 Refer to the MULTI V technical material for details on error code and checkpoints of the outdoor unit ...

Page 34: ...34 AHU CONTROL KIT ...

Page 35: ...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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