LG LS180HEV2 Installation Manual

LG LS180HEV2 Installation Manual

Single zone mega and mega 115v wall mounted
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SINGLE ZONE MEGA AND MEGA 115V
WALL MOUNTED
INSTALLATION MANUAL
Single Zone Mega: LS090HEV2, LS120HEV2, LS180HEV2, LS240HEV2
Single Zone Mega 115V: LS090HXV, LS120HXV

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Summary of Contents for LG LS180HEV2

  • Page 1 SINGLE ZONE MEGA AND MEGA 115V WALL MOUNTED INSTALLATION MANUAL Single Zone Mega: LS090HEV2, LS120HEV2, LS180HEV2, LS240HEV2 Single Zone Mega 115V: LS090HXV, LS120HXV...
  • 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.
  • Page 3: Safety Instructions

    If cover panels are not installed securely, dust, water and animals will 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 4 There is a risk of equipment damage. water leakage. 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 5 Failure to carefully read and follow all instructions in this manual can result in equipment malfunction and property damage,. 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 There is risk of unit failure. 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: Table Of Contents

    Indoor Unit Drain Hose ..............43-45 Bundling ..................... 45 Insulation ..................46-47 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: General Data

    T = Thermostat Compatible LV = Extended Piping Generation: 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: Parts

    One (1) Wireless One (1) Controller with Holder 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 10 For detailed electrical information, please refer to electric characteristics on page 18. Piping lengths are equivalent. 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 For detailed electrical information, please refer to electric characteristics on page 18. Piping lengths are equivalent. 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: Electrical

    MCA = Minimum Circuit Ampacity. FLA = Full Load Amps. 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 13: General Installation Guidelines

    8. Consider tie-down requirements in case of high winds or where required by local 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” is a registered trademark of LG Corp.
  • Page 14: Outdoor Unit Location Selection

    If the building does not include lightning protection, the outdoor unit will be damaged from a lightening strike. Inform the customer of this possibility in advance. 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 Building Sea wind 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: Required Outdoor Unit Clearances

    Standard Case 4 Minimum Standard Case 5 Minimum 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 17: Rigging And Lifting

    Follow applicable local codes for clearance, mounting, anchor and vibration attenuation requirements. 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: Outdoor Unit Mounting

    6. Seal all wiring and piping access holes to prevent insects from entering the unit. 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 19: Indoor Unit Location Selection

    • Install radiant heat or another type of heating system to the floor. 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 20: Indoor Unit Mounting

    Chassis Unit Outline Hook 5-31/32 (152) 7-5/8 (194) 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 21 4. Set aside the bottom cover to re-install after all procedures are complete. 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 22 Vary Depending on Indoor Unit Model). Top Snaps C-Hooks Hinge 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 23 • To prevent condensate from forming due to an inflow of outdoor air, before indoor unit installation is finished, completely seal the piping access hole in the wall. 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 24 • After all Refrigerant Piping and Electrical Connection procedures are complete, snap the L-bracket closed, and secure the indoor unit to the 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 25: General Refrigerant Piping System Information

    Refer to the figure at right for maximum length and elevation of piping. Indoor unit Outdoor unit Table 9: Single Zone Mega and Mega 115V Refrigerant Piping System Limitations. Model Numbers LS090HEV2, LS120HEV2 LS180HEV2, LS240HEV2 LS090HXV, LSU120HXV Vapor 3/8 inches 1/2 inches 3/8 inches Pipe Sizes...
  • Page 26: Selecting Copper Piping

    Always follow local codes when selecting and installing copper pipe and piping system components. Approved piping for use with LG Single Zone products will be marked “R410 RATED” along the length of the pipe. Piping wall thickness must meet local code requirements and be approved for a maximum operating pressure of 551 psi. When bending piping, try to keep the number of bends to a minimum, and use the largest radii possible to reduce the equivalent length of installed piping;...
  • Page 27: Copper Expansion And Contraction

    COPPER EXPANSION AND CONTRACTION Copper Expansion and Contraction Under normal operating conditions, the vapor pipe temperature of 1. From Table 11 find the row corresponding with the actual length of a Duct Free System can vary as much as 280°F. With this large the straight pipe segment.
  • Page 28 COPPER EXPANSION AND CONTRACTION Table 13: Linear Thermal Expansion of Copper Tubing in Inches. Fluid Temperature °F Pipe Length 35° 40° 45° 50° 55° 60° 65° 70° 75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° 130° 0.04 0.04 0.05 0.06 0.06 0.07 0.08 0.08 0.09 0.09 0.10 0.10 0.11 0.11 0.11 0.12 0.13 0.14 0.15 0.15 0.08 0.08 0.10 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.22 0.22 0.23 0.26 0.28 0.29 0.30 0.12 0.12 0.15 0.18 0.20 0.21 0.23 0.24 0.26 0.27 0.29 0.30 0.32 0.33 0.32 0.35 0.39 0.42 0.44 0.45 0.16 0.16 0.20 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44 0.43 0.46 0.52 0.56 0.58 0.60...
  • Page 29: Piping Materials And Handling

    PIPING HANDLING Piping Materials and Handling Keep Pipes Capped While Storing. Pipes used for the refrigerant piping system must include the specified thickness, and the interior must be clean. While handling and storing, do not bend or damage the pipes, and take care not to contaminate the interior with dust, moisture, etc.
  • Page 30: Refrigerant System Engineering

    Failure to do so will cause significant performance degradation. Proper leak checks must be performed. Using isolation valves does not automatically void any LG product warranty, however, a limited warranty will be voided in whole or part if any field supplied accessory fail in any way that causes product failure.
  • Page 31 REFRIGERANT SYSTEM ENGINEERING Obstacles Figure 32: Installing Piping Above and Below an Obstacle. When an obstacle, such as an I-beam or concrete T, is in the path of the planned refrigerant pipe run, it is best practice to route the MINIMUM pipe over the obstacle.
  • Page 32 Pipe Sleeves at Penetrations LG requires that all pipe penetrations through walls, floors, and pipes buried underground be properly insulated and routed through an appropriate wall sleeve of sufficient size to prevent compression of refrigerant pipe insulation and free movement of the pipe within the sleeve.
  • Page 33: Flaring And Brazing Procedures

    FLARING AND BRAZING PROCEDURES Flaring and Brazing Procedures One of the main causes of refrigerant leaks is a defective connection. For LG HVAC systems, the installer needs to know how perform both flared and brazed connections successfully. • During installation, it is imperative to keep the piping system free of contaminants and debris such as copper burrs, slag, or carbon dust.
  • Page 34 FLARING AND BRAZING PROCEDURES Tightening the Flare Nuts Tightening Torque for Flare Nuts. Pipe Size (in. O.D.) Outside Diameter (mm) Tightening Torque (ft-lbs.) 13.0 - 18.0 6.35 9.52 24.6 - 30.4 39.8 - 47.7 12.7 45.4 - 59.3 15.88 19.05 71.5 - 87.5 1.
  • Page 35: Refrigerant Piping Connections

    Drain Hose Air Outlet Vents Connecting Cable Base Plate 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 36: Special Applications

    5. Seal any openings in the wall that are around the 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” is a registered trademark of LG Corp.
  • Page 37: Outdoor Unit Connections

    15.88 45.4 - 59.3 19.05 71.5 - 87.5 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 38: Indoor Unit Connections

    Figure 46: Removing the Cover from the Indoor Unit. Cover 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 39 Figure 49: Keep Piping Straight; Avoid Kinks. downward Bend from downward position 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 40 Secure piping with the piping holder. Unfold slowly Bend from downward downward position 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 41 • If using a conduit for the power wiring / communications cable, see the next page. 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 42 6. To protect the piping, condensate drain, and conduit from the elements, add a lineset cover from the indoor access hole to the outdoor unit. 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 43: Outdoor Unit Drain Piping

    Indoor Extension Unit Piping Indoor Unit Drain Hose 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 44: Indoor Unit Drain Hose

    Bundle Taped in Horizontal Drain Hose Downward >6-1/2 feet Direction 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 45: Bundling

    / Connection (Power) Cable Specifications from Outdoor Communication / Connection (Power) Cable information. 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 46: Insulation

    (Field Supplied) Indoor Unit Refrigerant Piping Insulation (Field Supplied) 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 47 3/8 inch thick EPDM insulation that is plenum-rated with a heat-resistance factor of more than 248°F. 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 48: Electrical System Installation

    2. Using a ring terminal fastener or pliers, securely clamp a ring terminal to each stripped wire end. >1/4 inches 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 49 Do not include splices or wire nuts in the communication cable. 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 50 Failure to properly provide a NEC approved earth ground can result in property damage and equipment malfunction. 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 51 Diagram For Wiring Lengths Up to 130 Feet. 115 VAC 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 52 For Wiring Lengths GREATER THAN 130 Feet. 115 VAC 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 53: Controller Options

    1(L1 ) 2 CN-CC CN-REMO 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 54: Indoor Unit Electrical Connections

    Figure 100: Indoor Unit Terminal Block with Ground Wire (Example Only). Cover 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 55 For more information on conduits or the bundling method, see the Refrigerant Piping Connection section. 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 56 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 57 8. Reattach the metal control cover using the screw (if applica- ble). 1(L1) 2(L2) 3 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 58: Outdoor Unit Electrical Connections

    (see images below and on the next page). Install conduits to protect the wiring and cable. 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 59 (depends on model) to the outdoor unit with the LSU090-120HXV Outdoor Unit Terminal Block screws. 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 60: Final Installation Procedures

    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 61: Deep Evacuation Test

    Open the gauge manifold and the vacuum pump valves. 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 62 • Use a quality micron gauge in good operating order and install as far away from pump as possible. 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 63: Triple Evacuation Test

    13. Shut the valves before turning off and disconnecting the vacuum pump. 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 64: Refrigerant Trim Charge

    5. Securely replace service port caps on both the gas (vapor) suction and the liquid using an adjustable wrench. 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 65: Reattaching The Indoor Unit Bottom Cover

    Cover Figure 121: Latches on the Bottom 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” is a registered trademark of LG Corp.
  • Page 66 Sides (Step 4). tions Are Secure (Step 5). 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 67: Air Filter Disassembly And Assembly

    5. Checking the Sides for Correct Air Filter Assembly. 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 68: Installing Batteries, Test Run, Performance Evaluation

    If the actual pressure is lower than shown, the system is most likely under- charged, and charge must be added. 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 69: Installer Mode, Cooling Only Mode

    • Entire lock or Mode lock cannot be set if heating or automatic operation is set through a central controller. 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 70: Pump Down Procedure

    Perform Pump Down procedure in the Cooling Only 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” is a registered trademark of LG Corp.
  • Page 71: Troubleshooting

    Main Info Tab Help Menu (File is Factory Use Only) 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 72 • ODU Electric - Out- door Unit Electric data graph is displayed. 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 73: Error Codes

    Refer to the table below and on the next two pages for error codes that are generated from the indoor and outdoor units. These codes are the most common. Your particular system might generate additional codes not listed here. Please contact LG Support if you see these types of errors and a simple power cycle has not corrected the issue.
  • Page 74 Refer to Service Manuals posted on www.lghvac.com for a full description of all error codes and work-arounds. 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 75 Outdoor brushless direct current (BLDC) fan motor lock error 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 76 Outdoor brushless direct current (BLDC) fan motor lock error 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 77: Refrigerant Leaks

    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” is a registered trademark of LG Corp.
  • Page 78: Installation Checklist

    Communication type RS-485–BUS type. LG-supplied cable was used; or 22-3 AWG, twisted, stranded, unshielded cable (minimum) was used between the indoor unit (Mega 115V) and its zone controller (if present for Mega 115V). No cables were spliced, and no wire caps are present.
  • Page 79 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway IM_SZ_Mega_Mega115V_HEV2_HXV_06_19 Alpharetta, Georgia 30022 Supersedes: IM_WallMounted_All_11_15 www.lghvac.com IM_WallMounted_All_08_15...

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