LG PACS4B000 Installation & Owner's Manual
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LG PACS4B000 Installation & Owner's Manual

Air conditioner, becon hvac touch, ac smart iv
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INSTALLATION/
OWNER'S MANUAL
AIR
CONDITIONER
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.
HVAC Touch(AC Smart IV)
PACS4B000
P/NO : MFL68463901
www.lg.com

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Summary of Contents for LG PACS4B000

  • Page 1 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. HVAC Touch(AC Smart IV) PACS4B000 www.lg.com P/NO : MFL68463901...
  • Page 3 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 names are trademarks of their respective owners and are used for illustrative purposes only.

  • Page 4: Product Features

    EXPLANATORY NOTES Product Features Convenience • Auto-changeover Automatically switches the indoor unit into the correct mode to optimize space comfort. • Web access Allows distributed control from a remote location. • Visual and e-mail alarm notification Immediately indicates when a system is not operating at optimal conditions. • Visual Navigation Allows for accessing unit data by navigating uploaded floorplans.
  • Page 5 EXPLANATORY NOTES How to Use This Guide Please read from beginning to end this User Manual before using AC Smart IV. Store this guide so 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.
  • Page 6 MEMO...

  • Page 7: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS SAFETY Troubleshoot PRECAUTIONS Control Codes Error Codes – Indoor Device, ERV or ERV DX, PREPARATION AWHP(Hydro kit), AHU error – Outdoor Unit Errors AC Smart IV Overview – MultiV 20 Hp, 30 Hp, 40 Hp, error Components –...
  • Page 8 MEMO...

  • Page 9: Safety Precautions

    SAFETY PRECAUTIONS SAFETY PRECAUTIONS • This product must be installed by an installation professional from an LG authorized service center. • Any issues stemming from an installation by an unauthorized person is the responsibility of the user and will not be covered by warranty.

  • Page 10: Precautions

    SAFETY PRECAUTIONS y For electrical work, please have an electrician do the work based on the installation manual and specified circuit diagram. - Using an unsuitable cord, or having a non-professional work on the electricals may result in fire or electrical shock. y Do not place the product near a fire source.

  • Page 11: Precautions

    SAFETY PRECAUTIONS y Do not touch the product with wet hands. - It may cause a fire or electric shock. y Use standard components. - Use of an unauthorized product may result in fire, electric shock, explosion, injury, or a malfunc- tioning of the product.

  • Page 12: Precautions

    SAFETY PRECAUTIONS CAUTION Installation y Securely install the product in an area where the weight of the product can be supported. - The product may fall and be destroyed. y Do not use the product where there is oil, steam, or sulfuric gas. - It may effect the product's performance, or damage it.

  • Page 13: Precautions

    SAFETY PRECAUTIONS y If the liquid crystal of the product is broken, please do not let your skin such as face or hands contact with. - Personal injury or property damage may occur. y Transformer 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.
  • Page 14 SAFETY PRECAUTIONS Class A device NOTES This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 15: Preparation

    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. HVAC Touch(AC Smart IV) PACS4B000 www.lg.com P/NO : MFL68463901 AC Smart IV...

  • Page 16: Product Specifications

    PREPARATION NOTES The figures of the components and optionally purchased products shown may differ from the actual components and products. Product Specifications The product specifications for AC Smart IV are as follows. Item Specifications PCIMX5150D y ARM Cortex A8™ core y 800 MHz MEMORY 128 x 4 MB (DDR2 SDRAM)

  • Page 17: Features And Functions

    PREPARATION Features and Functions The features and functions of AC Smart IV are as follows. ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ <Front> <Back> ⑨ ⑩ ⑪ <Bottom> Number Item Description y 10.2 inch LCD control panel Touch Screen ①...

  • Page 18: Installation And Configuration

    The installation of AC Smart IV must be done by a professional. Be sure to contact a qualified engineer for the installation. If you have a question or request regarding the installation, contact an installation professional at an authorized LG service center or LG Electronics.
  • Page 19 PREPARATION Check the installation environment and configure the device address AC Smart IV can connect up to 128 devices (including indoor units, ERV, DI/DOs, DOKITs, AWHPs, AHUs) or 64 devices (including indoor units, ERV, DI/DOs, DOKITs, AWHPs ans AHUs) and 9 I/O Modules.
  • Page 20 Address: 41 NOTES The maximum allowed communication distance guaranteed by LG Electronics is 1 000 m. It means that the distance between AC Smart 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.
  • Page 21 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>...
  • Page 22 PREPARATION Connect AC Smart IV You can install AC Smart IV and its cables as follows. Choose a space 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.
  • Page 23 PREPARATION Connect the RS485 cable,which is located behind the AC Smart IV, to the RS485 terminal. (RS485) CAUTION The RS485 cable is polarity sensitive, be careful about keeping polarity when connecting the cables. 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 PREPARATION Connect the power. • For 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 PREPARATION • For US models - At the 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.
  • Page 26 PREPARATION After attaching the hook on the top of the main body to the top of the rear panel installed on the wall, please push the top of the 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...

  • Page 27: Configure Remote Shutdown Feature

    PREPARATION Configure Remote Shutdown Feature The AC smart IV is equipped with an emergency stop function which terminates operation of all connected devices (indoor unit, ERV, DOKIT, AWHP and AHU) in the case of an emergency situation inside the building. 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.

  • Page 28: Information Input Method

    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: Starting

    STARTING STARTING This section explains how to connect to the system and register devices to setup the environment (prior to using AC Smart IV). Turning on/off the screen The following explains how to turn on or off the AC Smart IV screen. Turning on the screen You can turn on the screen as follows.

  • Page 30: Rebooting

    STARTING Rebooting You can reboot the device as follows. Press the power button on the bottom of the unit for 10 or more seconds. • The device reboots. Login and logout The following explains how to log in and out of AC Smart IV. AC Smart IV can control and monitor equipment by touch screen or Web access.

  • Page 31: Troubleshoot

    Troubleshoot Troubleshoot Control Codes AC Smart IV may display the following control codes during usage Control Code Description Displayed when the device status has changed due to the control Displayed when the system settings have changed Displayed when there is an error Error Codes The following error codes may appear while using AC Smart IV.
  • Page 32 Troubleshoot Error Indoor Device ERV or ERV DX AWHP(Hydro kit) Code Hot water Operate smoke thermometer control through malfunction smoke detection. EEPROM ERROR EEPROM ERROR EEPROM ERROR (indoor unit) (indoor unit) (indoor unit) Indoor fan LOCK Indoor fan Lock (operation error) (operation error) HHU/boiler communication...

  • Page 33: Outdoor Unit Errors

    Troubleshoot Outdoor Unit Errors Error Code Description DC peak Max ct (CT 2): Maximum current error DC link voltage (low) High voltage/heat plate SW Under-voltage/over-voltage DC comp position error PSC fault error DC link voltage (high) Comp over-current Surge in static speed #2 compressor discharge temperature CT err (low current) Inverter discharge temperature error (high) Surge in static speed #1 compressor discharge temperature...
  • Page 34 Troubleshoot Error Code Description Communication error (central to main controller) Communication error (main to central controller) Communication error (main board to inverter board) Incorrect connection of tax product (tax-exempt indoor unit to taxed outdoor unit) Mixed installation of slave outdoor unit PCB EEPROM error (MULTI V: inverter PCB EEPROM error) Inverter discharge temperature error (high) Heatsink error (high)

  • Page 35: Multiv 20 Hp, 30 Hp, 40 Hp, Error

    Troubleshoot MultiV 20 Hp, 30 Hp, 40 Hp, error Error Description Code SLAVE1 static speed compressor 1 discharge temperature surge error SLAVE1 static speed compressor 2 discharge temperature surge error SLAVE2 static speed compressor 1 discharge temperature surge error SLAVE2 static speed compressor 2 discharge temperature surge error Communication error with outdoor unit (slave to master) Fan board communication error (fan to outdoor unit) Fan board (IPM fault)
  • Page 36 Troubleshoot Error Description Code SLAVE2 outdoor unit sensor (static speed compressor 1 discharge temperature error) SLAVE2 outdoor unit sensor (static speed compressor 2 discharge temperature error) SLAVE2 outdoor unit sensor (heat exchanger temperature sensor A error) SLAVE2 outdoor unit sensor (heat exchanger temperature sensor B error) SLAVE2 outdoor unit (fluid pipe temperature sensor error) SLAVE2 outdoor unit (overcooling inlet temperature sensor error) SLAVE2 outdoor unit (overcooling outlet temperature sensor error)

  • Page 37: Super Errors

    Troubleshoot Super Errors Error Description Code Fan board heat plate temperature sensor error Fluid pipe sensor error (fluid pipe sensor of HR Unit1 open/short) Overcooling inlet sensor error (overcooling inlet sensor of HR Unit1 open/short) Overcooling outlet sensor error (overcooling outlet sensor of HR unit1 open/short) Overcooling outlet sensor error (overcooling outlet sensor of HR unit1 open/short) Fluid pipe sensor error (fluid pipe sensor of HR Unit2 open/short) Overcooling inlet sensor error (overcooling inlet sensor of HR Unit2 open/short)

  • Page 38: Central Controller Errors

    Troubleshoot Error Description Code Fluid pipe sensor error (fluid pipe sensor of HR Unit9 open/short) Overcooling inlet sensor error (overcooling inlet sensor of HR Unit9 open/short) Overcooling outlet sensor error (overcooling outlet sensor of HR unit9 open/short) Communication error (no outdoor unit signal for 3 min from HR unit9) Central Controller Errors Error Description...

  • Page 39: Pre-Tech Support Checklist

    In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download. LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping and handling) upon email request to opensource@lge.com.
  • Page 40 ver. 1.0.2...

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