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LG PACS4B000 Installation & Owner'S Manual Download Page 21

13

ENGLISH

PREPARATION

AC Smart IV's RS485 connection

An AC Smart IV can have up to 128 indoor units. If there are many outdoor units to be connected, 
connect them to a bus. If not, AC Smart IV may malfunction.

<Good example: RS485 BUS form connection>

<Bad example: RS485 STAR form connection>

 NOTES

Maximum node numbers which can be connected to RS485 communication line.

 

y

Multi V

 

Maximum of 16 nodes can be connected to 1 RS485 line.

 

y

Multi/Single

 

Maximum of 32 nodes can be connected to 1 RS485 line.

 

y

ERV

 

Maximum of 32 nodes can be connected to 1 RS485 line.

Summary of Contents for PACS4B000

Page 1: ...he 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 INSTALLATION OWNER S MANUAL AIR CONDITIONER HVAC Touch AC Smart IV PACS4B000 ENGLISH ...

Page 2: ......

Page 3: ...nly be used under license from LG Electronics in strict adherence to the user agreement You may not reproduce or distribute by any means copies of this Installation and User Manual or any part of it without prior approval from LG Electronics Copyright 2014 LG Electronics All rights reserved Registered Trademarks AC Smart IV is a registered trademark of LG Electronics All other products and company...

Page 4: ...y Setpoint Range Limit Prevents the setpoint from being set to extremes that can result in overcooling or overheating of the space Remote Controller Lock Prevents users from changing indoor unit operation Setback Allows indoor units to be shut off during unoccupied periods with an override feature to keep interior temperatures from reaching extremes Time Limit Allows a unit to be turned on during ...

Page 5: ...that is also easily accessible Notations Used In This Guide Control buttons displayed within the system are marked by boldface text in square brackets Example OK Save Option titles displayed in the program are marked by boldface text Example Start Programs Keyboard strokes used by the system are marked by boldface text in angle brackets Example Esc ...

Page 6: ...iv ENGLISH MEMO ...

Page 7: ...20 Information Input Method 21 STARTING 21 Turning on off the screen 21 Turning on the screen 21 Turning off the screen 22 Rebooting 22 Login and logout 23 Troubleshoot 23 Control Codes 23 Error Codes 23 Indoor Device ERV or ERV DX AWHP Hydro kit AHU error 25 Outdoor Unit Errors 27 MultiV 20 Hp 30 Hp 40 Hp error 29 Super Errors 30 Central Controller Errors 31 Pre Tech Support Checklist 31 OPEN SOU...

Page 8: ...vi ENGLISH MEMO ...

Page 9: ...om where you purchased the product or a service center for reinstallation service Installation of the product by an unauthorized person may result in fire electric shock explo sion injury or a malfunctioning of the product y y Do not twist or damage the power cord It may cause fire or electric shock y y For electrical work please contact the dealer from where you purchased the product or a service...

Page 10: ...able nor extend the cable excessively It may cause a fire or electric shock y y Securely install the power cord and communication cable An unsecure installation may result in a fire or electric shock y y Do not connect the power cord to the communication terminal It may cause a fire electric shock or a product malfunction y y Do not install the product in an area near combustible gas It may result...

Page 11: ... The product may be damaged or it may fall causing injury to children y y Keep in mind the operating temperature range specified in the manual if there is no operating temperature range in the manual use the product between 0 and 40 C 32 and 104 F If the product is used outside this range the product may be severely damaged y y Do not press the switch or button with a sharp object It can result in...

Page 12: ... water or insects from getting into the product If a foreign substance gets inside it may cause an electric shock or the product may malfunc tion Use y y Clean the product with a soft cloth but not with a solvent based detergent The use of a solvent based detergent may cause a fire or deform the product y y Do not touch the panel using a pointy or sharp object It can result in an electric shock or...

Page 13: ...sformer selection Select an insulating product that complies with IEC61558 2 6 and NEC Class 2 In addition consider the combined power consumption of the modules accessories and field devices installed for the selection of an appropriate transformer Main module current 24 V 850 mA Use the provided adaptor when using DC 12 V The adaptor is not provided with the AC Smart IV package sold in the U S ...

Page 14: ...rrect the interference at his own expense CAUTION Changes or modifications not expressly approved by the manufacturer responsible for compliance could void the user s authority to operate the equipment Disposal of your old appliance 1 When this crossed out wheeled bin symbol is attached to a product it means the product is covered by the European Directive 2002 96 EC 2 All electrical and electroni...

Page 15: ... DI DOs DOKITs AWHPs and AHUs for up to 128 devices Or the indoor units ERV DI DOs DOKITs AWHPs and AHUs for up to 64 devices and 9 I O Modules Components The following components are included in the package box Open the box and verify that all components are included AC Smart IV Power Cord P NO MFL68463901 www lg com Please read this installation manual completely before installing the product In...

Page 16: ...ifications CPU PCIMX5150D y y ARM Cortex A8 core y y 800 MHz MEMORY 128 x 4 MB DDR2 SDRAM Storage 4GB INAND FLASH LCD 10 2 inch WSVGA 1024 x 600 TFT LCD Speaker MONO 300 mW RS485 2 Ports USB SD y y MICRO USB 1EA for external USB memory y y MINI USB 1EA for service y y SD Card 1EA DI 2 Ports DO 2 Ports Touch Screen C Type Touch Panel Button Key Less than 9 seconds LCD POWER ON OFF 10 seconds SYSTEM...

Page 17: ...es other than AHU DC 12 V Input Port DC 12 V power input port LAN Port LAN cable port for Ethernet connection 100Mbps 10Mbps 24 V Input Port 24 V power input port Micro USB Port USB 2 0 to connect USB memory sticks storing floor plans reports statistics etc Mini USB Port for service PC port for software upgrade Power ON OFF y y Push less than 10 seconds to control AC Smart IV LCD backlight y y Pus...

Page 18: ...the network configuration against the interfaced devices before installing AC Smart IV and allocate a unique central control address for each connected device STEP 2 Connect V Net devices with AC Smart IV Use an RS485 cable to connect V Net devices with AC Smart IV STEP 3 Login and register the devices Login to AC Smart IV and register those devices that have their address set CAUTION The installa...

Page 19: ...AC Smart IV with such devices Quantity of I O Module Quantity of Device 0 128 1 121 2 114 3 107 4 100 5 93 6 86 7 79 8 72 9 64 Quantity of Device Quantity of I O Module 128 64 9 Devices Indoor units ERV DI DOs DOKITs AWHPs AHUs AC Smart IV connects with PI485 and uses RS485 to communicate and exchange information Allocate unique addresses to those devices internal units ERV DI DOs DOKITs AWHPs AHU...

Page 20: ...t IV and the farthest device should not exceed 1 000 m It is recommended that the communication cable use 0 75 mm square or more y y For indoor units ERV DI DOs DOKITs AWHPs AHUs and I O Modules you cannot allocate identical addresses among devices of the same type Allocate different addresses for devices of the same type the indoor unit and DOKIT cannot use the same address y y Each device which ...

Page 21: ...AC Smart IV may malfunction Good example RS485 BUS form connection Bad example RS485 STAR form connection NOTES Maximum node numbers which can be connected to RS485 communication line y y Multi V Maximum of 16 nodes can be connected to 1 RS485 line y y Multi Single Maximum of 32 nodes can be connected to 1 RS485 line y y ERV Maximum of 32 nodes can be connected to 1 RS485 line ...

Page 22: ...ace for AC Smart IV Prior to securing AC Smart IV check if the space is suitable for installing AC Smart IV an RS485 cable power cord and an Ethernet cable 2 Secure the back panel of AC Smart IV to the wall under which the RS485 cable is located 3 Extend the RS485 cable through the top opening of the back panel ...

Page 23: ...485 terminal A B AHU A B RS485 ODU CAUTION The RS485 cable is polarity sensitive be careful about keeping polarity when connecting the cables 5 To use the network functions email transmission and web control provided by AC Smart IV connect an Ethernet cable to the LAN port on the back of AC Smart IV ...

Page 24: ...r global models On the back of AC Smart IV connect the power adapter to the power port The adaptor is not provided with the AC Smart IV package sold in the U S NOTES You can hang the power cord on the power cord hanger located below the power port ...

Page 25: ... bottom of AC Smart IV connect the power cord to the power port NOTES In some countries except for the U S you can connect the DC 12 V power to the AC Smart IV by using the provided adapter If necessary connect the 24 V power to the AC Smart IV ...

Page 26: ...e main body unit forward for firm attachment CAUTION Secure two points on the bottom of the unit to prevent from falling NOTES Product removal After removing 2 screws from the bottom of the body slightly pull the body using the flatblade screwdriver and lift up the body to remove the product 8 Connect the power cord of the power adapter to the power plug ...

Page 27: ...lding Once the sensor has detected an emergency situation and then transmits an On signal to Port DI 1 of the AC Smart IV all devices connected to the AC Smart IV stop their operation You can use the emergency stop function if you connect the sensor detecting external movements to Port DI 1 of the connected terminal which works by electric contact without power at the back of the AC Smart IV CAUTI...

Page 28: ...20 ENGLISH PREPARATION Information Input Method Touch the AC Smart IV information input box and a touch keyboard at the bottom of the panel will appear Use the touch keyboard to input information ...

Page 29: ...on or off the AC Smart IV screen Turning on the screen You can turn on the screen as follows 1 Press the power button on the bottom of the unit The screen turns on Turning off the screen You can turn off the screen as follows 1 Briefly press the power button on the bottom of the unit The screen turns off NOTES If you are not going to use AC Smart IV for a long time it is recommended that the scree...

Page 30: ...or Web access If you enter the IP address of the AC Smart IV in the address bar of the Internet without the installation of another program the central control program AC Smart IV Web server will execute automatically to use the functionality of the various content The manual will explain AC Smart IV standard equipment NOTES y y You will need the Adobe Flash Player installed for the Web control ac...

Page 31: ...ensor intake pipe open short Refrigerant intake thermometer malfunction Refrigerant intake thermometer malfunction Communication PCB indoor sensor intake pipe error 3 Remote control malfunction Remote control malfunction Remote control malfunction The remote control is not functioning for 3 minutes or longer 4 Drain pump malfunction Drain pump malfunction Communication PCB is not functioning for 3...

Page 32: ...Mix is outside acceptable range 14 Indoor unit flow switch operation error Humidity ERV air supply external air is outside acceptable range 15 O ROTOR BLDC FAN driver communication error Water pipe overheating CO value is within acceptable range 16 Simultaneous AWHP temperature sensor error Pressure pressure change static pressure is outside acceptable range 17 ERV DX air out sensor Inlet water te...

Page 33: ...munication error inverter PFC 40 Inverter CT sensor open short 41 Inverter discharge temperature sensor open short 42 Low voltage sensor open short 43 Heat exchanger temperature sensor top 44 Outdoor air temperature sensor open short 45 Outdoor pipe top sensor open short 46 Compressor suction temperature sensor open short 47 Static speed 1 compressor discharge temperature sensor error 48 Heat exch...

Page 34: ...piping incorrect connection of wire pipe LEV etc 67 Outdoor fan lock error with BLDC 68 Static speed comp CT open add MPS 69 Static 1 CT sensor error 70 Static 2 CT sensor error 71 Input CT sensor error 72 Communication error louver fan 73 Input instant over current peak 74 Inverter PCB phase unbalance 75 Fan CT sensor error 76 Fan DC link over voltage error 77 Fan over current error 78 Fan hall s...

Page 35: ...let temperature sensor error 116 SLAVE1 outdoor unit sensor high voltage sensor error 117 SLAVE1 outdoor unit sensor low voltage sensor error 118 SLAVE1 outdoor unit sensor low voltage sensor error 119 SLAVE1 outdoor unit sensor oil pipe temperature sensor error 120 SLAVE1 outdoor unit sensor suction temperature sensor error 121 SLAVE1 outdoor unit sensor static speed compressor 1 discharge temper...

Page 36: ...ing outlet sensor error of heat recovery unit 143 Heat recovery unit communication error 144 Heat recovery unit reserve 1 145 Heat recovery unit reserve 2 146 Heat recovery unit reserve 3 147 Heat recovery unit reserve 4 148 Heat recovery unit reserve 5 176 SLAVE2 static speed 1 compressor over current under current 177 SLAVE2 static speed 2 compressor over current under current 178 SLAVE3 static ...

Page 37: ... short 215 Overcooling outlet sensor error overcooling outlet sensor of HR unit4 open short 216 Communication error no outdoor unit signal for 3 min from HR unit4 217 Fluid pipe sensor error fluid pipe sensor of HR Unit5 open short 218 Overcooling inlet sensor error overcooling inlet sensor of HR Unit5 open short 219 Overcooling outlet sensor error overcooling outlet sensor of HR unit5 open short ...

Page 38: ...HR unit9 open short 236 Communication error no outdoor unit signal for 3 min from HR unit9 Central Controller Errors Error Code Description 240 Communication error PC central controller I GW 242 Communication error central controller indoor unit 246 Data in time out error from central controller 247 Communication error ACM Client ACM Server 248 Communication error ACP Client ACP Server 250 Checksu...

Page 39: ... device you want to control not locked Check if the lock is on and if so disable the lock The device icon has an error mark Is the device with errors connected correctly If devices are not correctly connected the error sign is displayed Check the connection status of the devices OPEN SOURCE SOFTWARE NOTICE To obtain the source code under GPL LGPL MPL and other open source licenses that is containe...

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