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INSTALLATION 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.
Air-cooled Inverter Scroll Chiller
ACHH Series
Original instruction
This manual is the simplified version of original manual.
You can obtain the original manual from website.
MFL67262617
Rev.08_071522
Copyright © 2018 - 2022 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Table of Contents
Related Manuals for LG ACHH Series
Summary of Contents for LG ACHH Series
- Page 1 Please retain this installation manual for future reference after reading it thoroughly. Air-cooled Inverter Scroll Chiller ACHH Series Original instruction This manual is the simplified version of original manual. You can obtain the original manual from website. www.lg.com MFL67262617 Rev.08_071522 Copyright © 2018 - 2022 LG Electronics Inc. All Rights Reserved.
- Page 2 Model naming convention A C H H 020 L B A B Development number Communication method : A = Modbus Model type : A = Module model B = Independent model C = Slave model Power specification : L = 380~415 V/50,60 Hz/3 Ø H = 460 V/60 Hz/3 Ø...
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Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product. CAUTION Inverter Scroll Chiller is an industrial product. WARNING It can result in serious injury or death when the directions are ignored. - Page 4 IMPORTANT SAFETY INSTRUCTIONS • For re-installation of the installed product, always contact a dealer or an Authorized Service Center. - There is risk of fire, electric shock, explosion, or injury. • Do not install, remove, or re-install the unit by yourself (customer). - There is risk of fire, electric shock, explosion, or injury.
- Page 5 IMPORTANT SAFETY INSTRUCTIONS • When transporting the product, use the forklift or spreader bar in accordance with the manual. - Arbitrarily moving the product can cause product damage or injury. • When moving the product using the forklift, check the weight of the chiller, size and length of the fork to select the appropriate equipment.
- Page 6 IMPORTANT SAFETY INSTRUCTIONS • Do not touch the power switch with wet hands. - There is risk of fire, electric shock, explosion, or injury. • When installing and moving the Product to another site, do not charge it with a different refrigerant from the refrigerant specified on the unit.
- Page 7 IMPORTANT SAFETY INSTRUCTIONS • Do not install the unit where combustible gas may leak. - If the gas leaks and accumulates around the unit, an explosion may result. • Do not install the product where it is exposed to sea wind (salt spray) directly.
- Page 8 IMPORTANT SAFETY INSTRUCTIONS - Inadequate connection and fastening may generate heat and cause a fire. • Be sure the installation area does not deteriorate with age. - If the base collapses, the Product could fall with it, causing property damage, product failure, or personal injury. •...
- Page 9 IMPORTANT SAFETY INSTRUCTIONS • Field wiring must be installed according to unit wiring diagram. - It may cause serious electrical damage can occur. • Do not use an automotive antifreeze. Industrial grade glycols must be used. Automotive antifreeze contains inhibitors which will cause plating on the copper tubes within the Product evaporator.
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Page 10: Selecting Installation Location
INSTALLATION INSTALLATION Selecting installation location Because the user operating the product varies based on the mode setting item of the user setting, set up and operate the product as shown below. Details to consider when selecting the installation location Select the location that fits the following conditions to install the product. •... - Page 11 INSTALLATION Basic installation space (Unit: mm) Wall 800+h (Unit: mm) Ceiling Wall Because this is the space where the water pipes are installed, make sure to secure sufficient space for future 600 mm maintenance and repair work. Service space 800 mm 800 mm 800 mm...
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Page 12: Water Pipe Connection
INSTALLATION Details to consider when installing the base * Location of anchor bolt 86.5 Classification 1 UNIT 2 UNIT 3 UNIT 1 740 2 503 1 640 2 403 2 300 2 300 2 300 2 200 2 200 2 200 1 569 2 330 1 769... - Page 13 Installation mode B (Recommended method) * Independent product installation * Independent product installation LG supplied LG supplied Precaution to prevent freezing Input pipe must be installed to be leveled. The pipe must be leveled and installed so that water does not remain in the inlet pipe connected to the product when draining the water through the drain hole.
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Page 14: Electric Work
INSTALLATION Electric work Precaution For regulation related to electric device and wire, follow the regulation of the technical standard and government organization and the guide of the power company. Directions of Power and Communication cable connections differ depending on the product volume. - Page 15 INSTALLATION Additional wiring Refer to the wiring diagram for on-site wiring. Only the main panel (HMI installed panel) requires wiring at the site. Control box is already fully wired out of the box. * On-site wiring location - Pump output: DO3 - Modbus: CH4 A, B - Pump interlock: UI6, G - Remote alarm: DI3, GND...
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Page 16: Maintenance
MAINTENANCE MAINTENANCE Plate type heat exchanger maintenance Before entering the usage season, check the following items. (Period: 1 time per year) 1) Perform water quality inspection to see if it is within the standard condition. 2) Perform strainer cleaning. 3) Check if the flow amount is adequate. 4) Check if operation environment is adequate. -
Page 17: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING General error CAUTION If the product stopped from the safety device, identify and resolve the root cause before restarting. Before introducing the special warning, this introduces the general issues and how to troubleshoot the issues. When the chiller is not operating, check the power, refrigerant, configuration and alarm setting of the chiller. - Page 18 TROUBLESHOOTING Symptom Potential cause Potential solution Insufficient refrigerant Check for leakage and refill refrigerant Evaporation Check cold water system (Ensure rated flow) pressure is low and the - Is the valve of cold water system closed? product Insufficient cold water - Is the pressure difference between inlet and constantly outlet of cold water system appropriate?
- Page 19 TROUBLESHOOTING...
- Page 20 TROUBLESHOOTING...
- Page 21 TROUBLESHOOTING 21LCEU0001D EN 60335-2-40:2003+A11:2004+A12:2005+A1:2006+A2:2009+A13:2012 EN 60335-1:2012+AC:2014+A11:2014+A13:2017+A1:2019+A14:2019 +A2:2019 EN 62233:2008 +AC:2008 Regulation (EU) 327/2011/EU Regulation (EU) 813/2013/EU EN 60335-2-40:2003+A11:2004+A12:2005+A1:2006+A2:2009+A13:2012 EN 14825:2018 EN 60335-1:2012+AC:2014+A11:2014+A13:2017+A1:2019+A14:2019 +A2:2019 EN 14511:2018 EN 12102-1:2017 EN IEC 63000:2018 Name : TÜV NORD Systems GmbH & Co. KG Number : 0045, Conformity Assessment Procedure : Module A2 Address : Große Bahnstraße 31, 22525 Hamburg, Germany 0045/202/9160/Z/00117/21/D/000 24, Dec., 2021...
- Page 22 TROUBLESHOOTING...
- Page 23 LG Electronics Inc. Single Point of Contact (EU/UK) : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands Manufacturer : LG Electronics Inc. 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA UK Importer : LG Electronics U.K. Ltd...