Related Manuals for LG ARNH963K2A2
Summary of Contents for LG ARNH963K2A2
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Page 1: Installation Manual
Hydro Kit Medium Temperature (K2) Hydro Kit High Temperature (K3) Installation Manual Hydro Kit Medium Temperature (K2) Hydro Kit High Temperature (K3) Btu/h 107,500 Btu/h 86,000... - Page 2 For continual product development, LG Electronics U.S.A., Inc., reserves the right to change specifications without notice. ©LG Electronics U.S.A., Inc. This document, as well as all reports, illustrations, data, information, and other materials are the property of LG Electronics U.S.A., Inc.
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Page 3: Table Of Contents
Installation ..............79 Power Wiring ..................35 Installation Checklist ................80 dry Contact Wiring ................36 Device Configuration Worksheet ............82 Communications Cables ..............37 Who to Call for Assistance ..............83 LG Remote Temperature Sensor ............40 fInISH UP ..................... 41... - Page 4 This page left intentionally blank. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 5: Safety Precautions
Support the outdoor unit a minimum of four points to avoid slippage cause frostbite. from rigging apparatus. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 6: Power Wiring And Communications Cabling
Wires that are too small may generate heat and cause a fire. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 7: Installation
Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 8: Operation And Maintenance
Hydro Kit. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 9: Introduction
ARNH763K3B2 Heating Only: 86,000 Btu/h These units are to be used in conjunction with LG’s Multi V Variable Refrigerant Flow (VRF) Heating, and Air Conditioning system. Both units operate on 208–230 V, 60 Hz, 1-phase power. Install these unit(s) in the location(s) specified by your design engineer, HVAC system layout drawings and project specifications. Perform the instal- lation according to the procedures in this manual. -
Page 10: Nomenclature
B = High Temperature Water Heater Generation 2 = Second Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 11: Unit Features
Sold separately and field installed. Key: √: Available X: Not available Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. - Page 12 Heating Circuit Water Inlet Connection Figure 2: High Temperature (K3) Unit Connections Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 13: Parts
Solar Heating System PHLLA Solar heating system interface. Interface Kit Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 14: Specifications
Control Device Electronic Expansion Valve Electronic Expansion Valve Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. -
Page 15: Dimensions
Figure 3: Dimensions for Hydro Kit — K2 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. - Page 16 Figure 4 shows the dimensional diagram of the Hydro Kit High Temperature, along with piping and cabling information. Figure 4: Dimensions for Hydro Kit (K3) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 17: Wiring
Figure 5: Wiring for Hydro Kit (K2 Chassis) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. - Page 18 Figure 6: Wiring for Hydro Kit (K3 Chassis) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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Page 19: Roughing-In
• Refer to Table 6 for clearance measurements specific to each chassis. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 20 20-1/2 42-1/2 13-1/2 3-1/2 10-1/2 13-1/2 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 21: Receiving / Transportation / Storage
Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 22: General Mounting / Anchoring
• Always install per mounting instruction and detail provided by the design or structural engineer. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 23: Hydro Kit Wall Mounted Controller
(55) inches above the finished floor if regulations of the American Disability Act (ADA) do not require a lower mounting height. 2. Pull LG communications cable between the Hydro Kit controller handy box and the Hydro Kit unit. A 30 foot length of cable will be found with the Hydro Kit Controller. -
Page 24: Piping
Information about ASHRAE Standard 15-2010 / 34-2010 and addenda current as of the date of this publication. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 25 Figure 15: Typical Refrigerant Line Joint Insulation Detail Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 26: Refrigerant Piping
• Condensate pipe connection is 1” male pipe thread. Figure 17: Typical condensate line (field provided - not to scale) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 27: Water Piping
The Hydro Kit has a factory internally mounted Flow Switch. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 28 “Strainer Installation” on page 30 of this installation manual. • If a replacement strainer is needed, we recommend purchasing an OEM replacement from LG. See specifications for the strainer in the Installation Parts section in Table 3 on page 13 of this installation manual.
- Page 29 Typical Hydronic Circuit Piping Schematic Figure 19: Hydronic Circuit Piping Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 30: Strainer Installation
Refer to valve manufacturer’s installation instructions. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 31 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 32: Solar Heating System Piping
Figure 23: Dual Source Hydronic Heating Schematic Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 33: Water Piping Schematic
= Modulating three-way Valve City water Figure 24: Domestic Water Storage, In-floor, Inductive (Radiator) and Forced Air Hydronic Heating Diagram Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 34: Water Circuit Preparation
• Do not add antifreeze to heating only systems. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 35: Power Wiring
Figure 26: (K3) Hydro Kit High Temperature Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 36: Dry Contact Wiring
Figure 28: Dry Contact - Indirect Power Wiring Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 37: Communications Cables
Hydro Kit Unit Controller Indoor Unit Zone Controllers Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 38 Do not run both in the same conduit. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 39 Figure 32: Communication Cable - Multi Hydro Kits to Unit Control Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 40: Lg Remote Temperature Sensor
See Figure 36 for the location of the LG Remote Temperature Sensor socket on the Hydro Kit’s main PCB. Guidelines • Use only LG supplied communications cable shipped with the Remote Temperature Sensor. A communications error may occur if any other cables are used. -
Page 41: Finish Up
Figure 33: Securing Power Module to Control Panel Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 42 Figure 35: Power Module Wiring Termination Detail Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 43: Hydro Kit Medium Temperature (K2) Control Panel Layout
Figure 37: K3 Hydro Kit Control Panel Layout Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 44 Figure 40: Hydro Kit Controller Subbase Removal Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 45 Figure 43: Comparison Hydro Kit and Multi V 7-Day Programmable Controller Buttons Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 46: Terminating Group Controlled Hydro Kits
Figure 44: Wiring Schematic - Hydro Kit Controller to Multiple Hydro Kits Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 47 Figure 45: (K3) Hydro Kit -- High Temperature Terminal Block Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 48 • Verify the keeping nut is on the sensor cable with the threads facing the sensor bulb. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 49 Never touch wiring or install accessories with wet hands. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 50 Figure 37, terminals 7-10. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 51 • Repeat as needed, until sensor fits snug against the wall surface. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 52 3. Re-install the control box cover and the unit access panel. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 53 Figure 54: CN_DRY Connection to Direct External Source Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 54: Pre-Commissioning
Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 55: Group Control Setup
17. After all Slave Hydro Kits have Central Control addresses assigned, go back to the Master Hydro Kit unit and restore power. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 56: Dip Switch Setting - Hydro Kit Medium Temperature
• Do not add any antifreeze while operating in the heating mode. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 57: Dip Switch Setting - Hydro Kit High Temperature
Table 13: Hydro Kit High Temperature DIP Switch Settings and Description Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 58: Installer Setting Configuration
Figure 58: Entering Installer Setting Mode Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 59: Installer Setting Function Codes
: Maximum heating duration (Lower Limit) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 60: Function Codes - Common Settings
(such as cooling/heating). Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 61 DHW tank and DHW tank kit should be installed. DIP Switch #2 and #3 should be set properly. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 62: Function Codes - Hydro Kit Medium Temperature
• Set DIP Switch #2 and #3 properly. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 63 • Value #1 and Value #2 of Function Code 25: Range of auto-adjust- able target leaving water temperature. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 64 Figure 60: DHW Tank Heating Time Diagram Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 65 Displays Remote Controller Program Version when selected. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 66: Function Codes - Hydro Kit High Temperature
Weather-dependent operation is only available for Heating Mode. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 67 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 68 Figure 63: DHW Tank Heating - Time Duration and Time Spans Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
- Page 69 Displays Remote Controller Program Version when selected. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 70: Unit Operation
*Function may not operate nor display. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 71: Emergency Operation
Hydro Kit is designed to automatically start up (reboot) once power is restored. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 72: Maintenance
• Flow switch malfunction • Unknown operation • Flow switch disconnection Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 73: Hydro Kit Accessories
Maximum combined current draw of all connected accessories must be equal to or less than 5 Amps @ 208-230/60/1. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 74 Power wiring cable is field provided and must comply with the applicable local and national codes. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 75: Troubleshooting
115 for the error code. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 76: Error Codes
Sensor and/or cable may be disconnected or shorted. Operation Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 77: Troubleshooting
Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 78 R134a circuit inverter board has reported an over current spike occurred. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 79: Finishing The Installation
• If all installation items are correctly completed, the indoor unit is ready for power-up and commissioning. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 80: Installation Checklist
Condensate pipe is routed and secured in place to facilitate discharge to an approved drain. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. - Page 81 Power and communications cables are properly restrained and separated. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp.
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Page 82: Device Configuration Worksheet
DeVIce coNfIGuratIoN WorKsHeet Figure 66: Pre-Commissioning Device Configuration Worksheet Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. -
Page 83: Who To Call For Assistance
WHo to call for assIstaNce Freight Damage and Unit Replacements............Your LG Manufacturer Representative Missing Parts ....................Your LG Manufacturer Representative Received Wrong Indoor Unit Model ..............Your LG Manufacturer Representative Installation, Startup, and Commissioning Technical Assistance ...... 1-888-865-3026... - Page 84 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics LG Customer Information Center, Commercial Products Commercial Air Conditioning Division 1-888-865-3026 USA 11405 Old Roswell Road Follow the prompts for commercial A/C products and parts. Alpharetta, Georgia 30009 www.lg-vrf.com VRF-IM-BT-001-US_014A06 Supercedes: VRF-IM-BT-001-US_013M20...