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LG AC Ez, Installation & Owner'S Manual

Introducing the LG AC Ez, a cutting-edge air conditioning system designed for optimal comfort. To ensure a seamless installation and maximize its functionality, make sure to download the free Installation & Owner's Manual from our website. Obtain the manual effortlessly at manualshive.com and unlock a hassle-free user experience.

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P/NO : MFL63284102

www.lg.com

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.

 (AC 

Ez)

PQCSZ250S0

INSTALLATION/

OWNER’S MANUAL

AIR

CONDITIONER

ENGLISH

IT

ALIANO

ESP

AÑOL

FRANCAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

POR

TUGUESE

РУССКИЙ

ЯЗЫК

NEDERL

ANDS

1,MFL63284102(영어)  2015. 8. 10.  오후 2:08  페이지 1

Summary of Contents for AC Ez

Page 1: ...st 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 AC Ez PQCSZ250S0 INSTALLATION OWNER S MANUAL AIR CONDITIONER ENGLISH ITALIANO ESPAÑOL FRANCAIS DEUTSCH ΕΛΛΗΝΙΚΆ PORTUGUESE РУССКИЙ ЯЗЫК NEDERLANDS ...

Page 2: ...irection of the air flow vertically or horizontally to circulate indoor air Speed up the fan to cool or warm indoor air quickly in a short period of time Open windows regularly for ventilation as the indoor air quality may deteriorate if the air con ditioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weak...

Page 3: ...aution are indicated in this guide and the product itself to help protect the users from danger WARNING Installation Be sure to request to the service center or installation specialty store when installing products It will cause fire or electric shock or explosion or injury Request to the service center or installation specialty store when reinstalling the installed product It will cause fire or e...

Page 4: ...nt but use soft cloths It will cause fire or product deformation Do not press the screen using powerful pressure or select two buttons It will cause product breakdown or malfunction Do not touch or pull the lead wire with wet hands It will cause product breakdown or electric shock ENGLISH ...

Page 5: ...it 20 Checking mode _ Confirmation the set group address 21 OWNER S INSTRUCTION 21 Group selection 21 Control range selection 22 Individual unit operation 23 Group operation 24 All operation Master AC Ez only 25 Air conditioner operation mode setting 26 Ventilation mode setting 27 Desired temperature setting 28 Fan speed setting 29 Air flow direction setting 30 Lock setting 31 Flow chart for current...

Page 6: ...TION INSTRUCTION ENGLISH AC Ez Controller Back bracket Screw Manual Room name sheet Bracket Installation cable Screw 1EA For Fixing on the bracket Screw 4EA For Fixing on the wall Accessory Features INTRODUCTION ...

Page 7: ... to the reclama tion box if there is a reclamation box Set up AC Ez cable in suitable connection method In case of reclamation to the surface of the wall Use the cable hole of bracket In case of no reclamation to the surface of the wall Use the right part guide groove Fix it by using screw provided at the lower part tightly after wet it up the bracket CAUTION Use the screws provided CAUTION It can...

Page 8: ...s per PI485 If power is supplied more than 1 AC Ez failure may occur in operation of the AC Ez For expanding and connecting PI485 communication lines BUS_A BUS_B up to 16 AC Ezs can be connected Use the 0 75 Square Shield wires for connection wires between PI485 and AC Ez wires Length of whole connection wires should be less than 1km ON L1 2 3 4 KSDO4H PI485 Multi V AC Ez PI485 VCC 10 V GND GND BU...

Page 9: ...on Central controller 1 Group Number 0 Master VCC GND BUSA BUSB 02 03 0E 0F 01 00 BUSB BUSA Vcc GND INTB INTA MAIN PCB A B IDU connection Central controller 1 Group Number 0 Master VCC GND INTA INTB NOTE AC Ez power should be inputted only one AC Ez from outdoor unit In case of independence installation of AC Ez ...

Page 10: ...CC GND BUSA BUSB A B Pl485 VCC GND BUSA BUSB Vcc GND BUSB BUSA Vcc GND BUSB BUSA IDU connection IDU connection Central controller 1 Central controller 1 Group Number 0 Master Group Number 1 Slave MAIN PCB MAIN PCB NOTE AC Ez power should be inputted only one AC Ez from outdoor unit It is possible to set the Master Slave setting and group number setting by entering the installation mode Central con...

Page 11: ...ns the power on off condition of individual indoor unit G Group selection button Change control and display group L Lock set clear button Turns the lock set clear R Room temperature button Display the room tem perature O Operation mode button Change operation mode of air conditioner V Ventilation mode button Change ventilation mode of ventilator F Fan speed button Change fan speed Air flow button ...

Page 12: ...t time S Schedule setting button Enter the schedule setup mode to setup desired schedule S Schedule copy button Copy former set schedule S Schedule paste button Paste copied schedule E Esc button Cancel the changed content O OK button Setup the changed content H Holiday setting button Turns holiday schedule appli cation set clear Some functions may not be operated and displayed depending on the pr...

Page 13: ...sing once shortly it doesn t enter into installer setup mode Please press more than 5 seconds for sure 2 When you enter the setting mode initially function code is displayed and on off led of indoor 1 is blinking No Function Code Value 1 Master Slave Setting 1 Master Slave M S 2 Group 1 product Select 2 Air conditioner Ventilator Group Number Setting 0 F Group Address No use of this group 3 Group ...

Page 14: ...lation mode 3 Group 2 setting Enter installation mode 4 Connected indoor unit setting Enter installation mode 5 Changing C F Master Slave setting Group 1 product setting Air conditioner or Ventilator Press button shortly Group 1 Group number setting Group 2 product setting Air conditioner or Ventilator Group 2 Group number setting Is it set with Master Press button for 5 seconds Temperature displa...

Page 15: ...ctly 1 If pressing button long for 5 seconds it enters into AC Ez setup mode If pressing once shortly it doesn t enter into installer setup mode Please press more than 5 seconds for sure 2 When entering the Master Slave setting mode it displays 01 and blinks or in LCD It shows on 1 of setup mode by blinking the on off led of indoor 1 M S Installation setup mode 1 _ Master Slave setting 4 Apply des...

Page 16: ...n mode automatically If you exit installation mode without pressing button changed value don t apply If you press individual on off button of corresponding installation mode to change you can enter corresponding installation mode directly 3 Select the product type of group 1 by pressing button 4 Select the group number of group 1 by pressing button 1 If pressing button long for 5 seconds it enters...

Page 17: ...product Select Group Number Setting Product type Group number 5 Save the product type and group number of group 2 by pressing button After pressing button corresponding setting condition is saved group type and group number stops blinking 3 Select the product type of group 2 by pressing button 4 Select the group number of group 2 by pressing button 1 If pressing button long for 5 seconds it enters...

Page 18: ...llation mode without pressing button changed value don t apply If you press individual on off button of corresponding installation mode to change you can enter corresponding installation mode directly Installation setup mode 4 _ Searching the Connected indoor unit Master Only 3 After pressing button searching the connected indoor unit starts individual on off led is blinking by rotation and of LCD...

Page 19: ...ssing button corresponding setting is saved It displays set temperature display method on operation condition 1 If pressing button long for 5 seconds it enters into AC Ez setup mode If pressing once shortly it doesn t enter into installer setup mode Please press more than 5 seconds for sure 2 If entering into Celsius Fahrenheit switching mode by using button it indicates as picture below It shows ...

Page 20: ...g corre sponding individual on off led of connected indoor unit 5 times 1 Select corresponding group to want to confirm the group number by pressing GROUP SELECT button When pressing GROUP SELECT button Group 1 and Group 2 is changed in turn 2 Select GROUP selection of control selection mode by pressing button When selecting group selection mode it displays GROUP icon of LCD and group number of co...

Page 21: ...ler of slave is changed as following UNIT Group UNIT NOTE In case of Eco V DX it is possible to control and display in ventilation group NOTE When selecting GROUP ALL controlled indoor unit condition at the latest is displayed in LCD If you control in this condition all indoor units of selected product range is changed equally When selecting all group condition if it doesn t have any button input ...

Page 22: ...and individual on off LED 2 In case of on condition If corresponding indoor unit is selected already When pressing individual ON OFF button corresponding indoor unit is stopped and is turned off the LCD display and individual on off LED If other indoor unit is selected When pressing individual ON OFF button corresponding indoor unit is selected and is turned on the LCD display and individual on of...

Page 23: ...re changed equally 2 In case of operation on condition When pressing button all connected units of corresponding group are stopped and are turn off individual on off LEDs in regular sequence At that time indoor unit condition in LCD is disappeared This is the function to control on off condition of group units NOTE If you select group control mode by pressing button you can select corresponding gr...

Page 24: ...ing product type are operated and are turn on individual on off LEDs in regular sequence At that time indoor unit condi tion in LCD is appeared If you press button all connected units of corresponding product type are stopped and are turn off individual on off LEDs in regular sequence At that time indoor unit condi tion in LCD is disappeared This is the function to control on off condition of all ...

Page 25: ...fication Fan Eco V DX Cooling Heating Auto OFF It is changed for corresponding individual on off LED display as changing operation mode Cooling Dehumidification fan Green Heating Amber Failure status Red Stop Off This is the function to control operation mode of Air conditioner Eco V DX NOTE It is changed for the operation mode of selected indoor unit as control selection condition When selecting ...

Page 26: ...sing GROUP SELECT button In case of air conditioner this function is not working This is the function to control ventilation mode of ventilator Eco V DX NOTE It is changed for the ventilation mode of selected ventilation unit as control selection condition When selecting group control mode If you change the ventilation mode in this condition all ventilation units of correspon ding group are change...

Page 27: ...sing button This function is used for setting desired temperature of air conditioner Eco V DX NOTE It is changed for the desired temperature of selected indoor unit as control selection condition When selecting group control mode If you change the desired temperature in this condition all indoor units of correspon ding group are changed equally When selecting all control mode If you change the des...

Page 28: ... It is changed for the desired fan speed of selected indoor unit as control selection condition While selecting group control mode If you change the desired fan speed all indoor units of corresponding group are changed simultaneously While selecting all control mode If you change the desired fan speed all indoor units of selected product type are changed simultaneously A Air conditioner Low Middle...

Page 29: ...g button This function is used to control air flow direction of air conditioner NOTE It is changed for air flow setting condition of selected indoor unit as control selection condition While selecting group control mode If you change the desired air flow setting condition all indoor units of corresponding group are changed simultaneously While selecting all control mode If you change the desired a...

Page 30: ...t the indoor unit control of remote controller In this condition it is possible to control indoor unit by central controller only NOTE It is changed for lock setting condition of selected indoor unit as control selection condition While selecting group control mode If you change the lock setting condition all indoor units of corresponding group are changed simultaneously While selecting all contro...

Page 31: ...nt time setting Select today AM PM setting hour setting Minute setting Setting finish Select today Press button Press button Press button Press button Select AM or PM Select the current hour 1 12 1 Hour interval Select the current minute 00 59 1minute interval Press button for 5 seconds Entry to current time setting mode Flow chart for current time setting NOTE ...

Page 32: ...e current day of the week will blink on window This function is used to change current time 2 Select the current day by pressing the button 3 After selecting current day press the button to move to time setting mode Inverted triangle is displayed above corresponding day of week 4 Select the AM PM by pressing the button ...

Page 33: ...hour by pressing the button 9 Apply desired time setting by pressing the button OWNER S INSTRUCTION 33 ENGLISH NOTE To cancel time setting mode during setting press button at that time current time will be back to previously configured time and it exits from cur rent time setting mode 1 12 1 Hour interval 00 59 1 Minutes interval After pressing button the schedule display is updated While updating...

Page 34: ...ber to set up schedule 1 8 select AM or PM Press button shortly Entry to schedule setting mode select the schedule hour 1 12 1 Hour interval select the schedule minute 00 50 10 minutes interval select the schedule mode select the schedule temperature 18 30 C It is possible operation mode of cooling heating and auto only Schedule setting finish Flow chart for schedule setting Schedule setting If you...

Page 35: ...shortly to enter schedule setting mode Day of the week will blink 2 Select desired schedule day by pressing the button 3 After selecting the desired day press the button to enter to schedule time set ting mode 4 Select desired schedule number to set by pressing button ...

Page 36: ...on in the win dow will blink 6 Select ON OFF condition of schedule by pressing button 7 Enter AM PM setting mode by pressing the button AM or PM icon in window will blink 8 Select the AM PM by pressing the button 9 Enter hour setting mode by pressing the button The hour icon in window will blink ...

Page 37: ...ing the button The minute in window will blink 12 Select desired minute by pressing the button 13 Select operation mode by pressing the button Air conditioner and Eco V DX only 1 12 1 Hour interval 00 50 10 Minutes interval Air conditioner Cooling Heating Auto Dehumidification Fan Eco V DX Cooling Heating Auto OFF ...

Page 38: ...ible ON schedule only 16 Select desired temperature by pressing the button 17 Apply desired schedule reservation by pressing the button It indicates set schedule of corresponding by displaying the border like MON Ventilation unit Eco V DX Heat exchange Normal Automatic In case of C 18 C 30 C 1 C interval In case of F 64 F 86 F 2 F interval After pressing button the schedule display is updated Whil...

Page 39: ...t up the schedule in this condition all indoor units of corresponding group will set the schedule simultaneously To cancel schedule reservation during setting press button at that time current time will be back to previously configured schedule condition and it exits from schedule setting mode NOTE ...

Page 40: ... set schedule will not be executed Schedule Priority If two more schedules are setup at the same time it operates higher priority schedule Lower number schedule has higher priority Ex In case of the same schedule time of schedule 1 and 2 as the schedule time of schedule 1 has higher priority than schedule 2 corresponding indoor unit will stop the operation at AM 11 00 ENGLISH Schedule display By s...

Page 41: ... number to delete schedule 1 8 Press button shortly Entry to schedule setting mode Flow chart of schedule deletion Individual schedule deletion Day schedule deletion Select day of week Corresponding day schedule deletion Select the day of week to delete the schedule Press button for 5 seconds Press button shortly Entry to schedule setting mode If you press button it exits from schedule setting mod...

Page 42: ...f one indoor unit 1 Press button shortly to enter schedule setting mode The day of week will blink 2 Select desired day of schedule deletion by pressing the button 3 If desired day of week is selected press the button to move to schedule setting mode 4 Select desired schedule number to delete by pressing button ...

Page 43: ...ing mode 2 If you delete the schedule in this condition all units of corresponding group is deleted the schedule of corresponding number Corresponding schedule is deleted and it exits from schedule setting mode Programming Deletion individual schedule Group Schedule To delete only one schedule of one indoor unit If you press button shortly it exits from schedule setting mode NOTE ...

Page 44: ...ng mode The day of week will blink 2 Select desired day of schedule deletion by pressing the button 3 If desired day of schedule deletion is selected press the button for 5 seconds to delete schedule of desired day The schedule of the day is deleted it exits from schedule setting mode It indicates that it didn t have schedule of the day by disappearing the border of cor responding day in LCD ...

Page 45: ...ay schedule Group schedule 1 Press button to select group setting mode 2 If you delete the schedule in this condition corresponding group units will be deleted the schedule of corresponding day If you press button it exits from schedule setting mode NOTE ...

Page 46: ...dule setting mode Corresponding schedule copy Select day of week Flow chart for individual schedule copy select schedule number to set up schedule 1 8 Select day of week Schedule number selection Schedule paste finish Copied schedule setting select the day of week to set up the schedule Press button Press button Press button Press button shortly Entry to schedule setting mode S Schedule paste Sched...

Page 47: ...d schedule of Mon day use individual schedule copy paste function Schedule copy 1 Press button shortly to enter schedule setting mode The day of week will blink 2 Select desired day of schedule to copy by pressing the button 3 If desired day of the week is selected press the button to enter to schedule time setting mode 4 Select desired schedule number to set by pressing button ...

Page 48: ...ON ENGLISH 5 If desired day of schedule to copy is selected press the button to copy sched ule of desired day 6 Exit the schedule setting mode by pressing button If you press button it exits from schedule setting mode NOTE ...

Page 49: ...nter schedule setting mode The day of week will blink 2 Select desired day of schedule to paste by pressing the button 3 If desired day of the week is selected press the button to enter to schedule time setting mode 4 Select desired schedule number to set by pressing button ...

Page 50: ...g the button It indicates set schedule of corresponding by displaying the border like FRI If you press button it exits from schedule setting mode NOTE Group individual schedule paste While setting schedule copy Before pasting copied individual schedule If you select the group control mode all indoor units of corresponding group will set the copied individual schedule simultaneously ...

Page 51: ...ek to set up the schedule select the day of week to set up the schedule Press button Copied schedule setting Press button Schedule paste finish Press button shortly Entry to schedule setting mode Press button If you press button it exits from schedule setting mode NOTE Day schedule copy Flow chart for day schedule copy ...

Page 52: ... schedule of Monday use schedule copy paste function 1 Press button shortly to enter schedule setting mode The day of week will blink 2 Select desired day of schedule to copy by pressing the button 3 If desired day of schedule to copy is selected press the button to copy schedule of desired day 4 Select desired day of schedule to paste by pressing the button ...

Page 53: ...the button It indicates set schedule of corresponding by displaying the border like If you press button it exits from schedule setting mode NOTE FRI Group day schedule paste While setting schedule copy Before pasting copied day schedule If you select the group control mode all indoor units of corresponding group will set the copied day schedule simultaneously ...

Page 54: ...on Select day of week Holiday setting Holiday setting finish select the day of week to set up the schedule Press button shortly Entry to schedule setting mode Press button Press button Flow chart for holiday setting If you press button it exits from schedule setting mode NOTE Holiday setting ...

Page 55: ...n 3 If desired day to set holiday is selected press the button to set holiday schedule Set Clear When setting up the holiday schedule it is displayed icon in LCD 4 Apply holiday schedule by pressing the button It indicates set schedule of corresponding by displaying the border like SUN Group holiday setting While setting holiday setting If you select the group control mode all indoor units of corr...

Page 56: ...ding unit EX In case of failure status code 3 CH 3 1 If corresponding indoor has some failure status it indicates RED LED of individual on off LED 2 A CH or xx number is repeatedly displayed on the LCD to represent failure status code 3 When failure code is displayed on the LCD please contact with the service center or in stallers ...

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