LG LA090HSV4 Engineering Manual
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SINGLE ZONE ART COOL
MIRROR
WALL MOUNTED ENGINEERING MANUAL
3/4, 1, 1-1/2, and 2 Tons
Models:
LA090HSV4
LA120HSV4
LA180HSV4
LA240HSV3

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Summary of Contents for LG LA090HSV4

  • Page 1 ™ SINGLE ZONE ART COOL MIRROR WALL MOUNTED ENGINEERING MANUAL 3/4, 1, 1-1/2, and 2 Tons Models: LA090HSV4 LA120HSV4 LA180HSV4 LA240HSV3...
  • Page 2 A summary list of safety precautions is on page 4. For more technical materials such as submittals, catalogs, installation, owner’s, and service manuals, visit www.lghvac.com. For continual product development, LG Electronics U.S.A., Inc., reserves the right to change specifications without notice. © LG Electronics U.S.A., Inc.
  • Page 3 Duct-Free Split Systems provide industry leading technical support during installation and LG HVAC systems offer a range of solutions that are cost efficient, commissioning. LG offers a variety of classes designed for installers quiet and attractive. Duct-Free Split systems are “split” into indoor...
  • Page 4: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..................5 PERFORMANCE DATA ................ 27 Cooling Capacity ................28 ARCHITECTURAL APPEAL ..............6 Heating Capacity ................30 Maximum Heating Capacity ............... 32 PRODUCT FEATURES AND BENEFITS ..........8 Air Flow and Temperature Graphs ............. 34 UNIT NOMENCLATURE .................
  • Page 5: Introduction

    INTRODUCTION “Architectural Appeal” on page 6...
  • Page 6: Architectural Appeal

    Single Zone Art Cool Benefits of Single Zone Mirror Wall-Mounted Art Cool Mirror Wall-Mounted System Systems Choosing an LG Single-Zone Art Cool • Available in 9,000 - 24,000 Btu/h Mirror Wall-Mounted product provides a system designer an edge to engineer • Inverter technology a system with individual control, and design flexibility with advanced controls.
  • Page 7: Product Data

    PRODUCT DATA “Product Features and Benefits” on page 8 “Unit Nomenclature” on page 9 “General Data” on page 10 “Electrical Data” on page 12 “Outdoor Unit Dimensions” on page 14 “Indoor Unit Dimensions” on page 16 “Acoustic Data” on page 18 “Refrigerant Flow Diagram”...
  • Page 8: Product Features And Benefits

    Operating Range mote a quiet, comfortable environment, the Single zone systems have a nominal capac- LG single zone system indoor units operate ity range of 3/4 to 2 tons (depending on at sound levels as low as 23 dB(A) (19dB(A) outdoor/indoor units).
  • Page 9: Unit Nomenclature

    UNIT NOMENCLATURE Single Zone Wall Mount Indoor and Outdoor Units Family LA= Art Cool Premier / Gallery / Mirror LS= High Efficiency Wall Mount / Standard / Mega Type N = Indoor Wall Mount Unit U = Outdoor Heat Pump Unit Nominal Capacity (Nominal cooling capacity in Btu/h) 090/091 = 9,000...
  • Page 10: General Data

    GENERAL DATA Art Cool Mirror Pairing Table The following table shows the available outdoor and indoor units, along with the factory provided controller. Table 1: Single Zone Art Cool Mirror Pairing Table Outdoor Unit Model Indoor Unit Model Controller LSU090HSV4 LAN090HSV4 AKB73835317 LSU120HSV4...
  • Page 11 GENERAL DATA Table 2: LA090HSV4 LA120HSV4 LA180HSV4 LA240HSV3 System Model Number (IDU/ODU) (LAN090HSV4/ (LAN120HSV4/ (LAN180HSV4/ (LAN240HSV3/ LSU090HSV4) LSU120HSV4) LSU180HSV4) LAU240HSV3) Cooling Capacity (Min/Rated/Max) (Btu/h) 1,023 ~ 9,000 ~ 12,625 1,023 ~ 11,200 ~ 13,785 3,070 ~ 18,200 ~ 29,515 3,070 ~ 22,000 ~ 30,030...
  • Page 12: Electrical Data

    Table 3: Single-Zone Art Cool Mirror System Electrical Data Table. Compressor Compressor (A) Model Number Nominal Tons Fan Qty. ODU Fan (A) IDU Fan (A) MCA(A) MOP(A) Qty. Cool/Heat LA090HSV4 8.3/8.3 0.40 0.40 LA120HSV4 8.3/8.3 0.40 0.40 LA180HSV4 1-1/2 14.6/14.6 0.25...
  • Page 13: Functions, Controls, And Options

    Dry contact Central control (LGAP) PI 485 Zone control CTIE Electro thermostat Wi-Fi Module (Option) Water level sensor connection (for optional AG-9300-LG) Wind baffle kit ZLABGP01A ZLABGP01A ZLABGP02A ZLABGP02A Primary washable filters. • When Dry Contact Mode active, Wi-Fi Function can not be used.
  • Page 14: Outdoor Unit Dimensions

    OUTDOOR UNIT DIMENSIONS LSU090HSV4, LSU120HSV4 14 | PRODUCT DATA ©...
  • Page 15: Lsu180Hsv4, Lau240Hsv3

    OUTDOOR UNIT DIMENSIONS LSU180HSV4, LAU240HSV3 34-1/4 Item No. Part Name 21-1/2 6-5/16 Discharge air grille 12-5/8 5-7/8 2-3/16 13-1/8 Ø 20-7/8 Center of gravity [Unit : inch] 21-1/8 PRODUCT DATA | 15 ©...
  • Page 16: Indoor Unit Dimensions

    INDOOR UNIT DIMENSIONS LAN090HSV4, LAN120HSV4 8-1/16 34-13/16 1-3/4 1-3/4 2-3/16 15/16 2-5/16 6-5/16 Place a level on raised tab Unit Outline 17-3/8 17-3/8 Return Air Grille for piping and cables Ø2-9/16 Ø2-9/16 Left rear piping Right rear piping 3-11/16 5-1/8 6-15/16 8-1/2 [Unit : Inch]...
  • Page 17: Lan180Hsv4, Lan240Hsv3

    INDOOR UNIT DIMENSIONS LAN180HSV4, LAN240HSV3 40-9/16 9-11/16 1-13/16 1-3/4 2-9/16 Place a level on raised tab Unit Outline Return Air Grille 18-1/8 22-7/16 Ø2-9/16 Ø2-9/16 Measuring Tape 2-1/8 [Unit : Inch] Measuring Tape Hanger 8-1/8 2-11/16 4-1/8 PRODUCT DATA | 17 ©...
  • Page 18: Acoustic Data

    OUTDOOR UNIT ACOUSTIC DATA • Measurements are taken 3.28 ft away from the front of the unit. Figure 1: Outdoor Unit Sound Levels • Sound pressure levels are measured in dB(A) with a tolerance of ±3. • Sound pressure levels are tested in an anechoic chamber under Center of ISO Standard 3745.
  • Page 19 INDOOR UNIT ACOUSTIC DATA Figure 3: Indoor Unit Sound Levels • Measurements are taken 3.28 ft away from the front of the unit. • Sound pressure levels are measured in dB(A) with a tolerance of ±3. • Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745. •...
  • Page 20: Refrigerant Flow Diagrams

    REFRIGERANT FLOW DIAGRAMS LSU/LAN090HSV4, LSU/LAN120HSV4 Indoor Unit Outdoor Unit FIELD PIPI N G 2-Way Valve (Ø 1/ 4” Copper Tubing) Liquid Side He at Heat Exchanger Exchanger (Evaporator) (Condenser) Reve rsing 3- Wa y Valve FIELD PIPI N G Valve (Ø...
  • Page 21: Lan180Hsv4, Lsu180Hsv4 Lan240Hsv3, Lau240Hsv3

    REFRIGERANT FLOW DIAGRAMS LSU/LAN180HSV4, LAU/LAN240HSV3 Indoor Unit Outdoor Unit FIELD PIPIN G 2-Way Valve (Ø 3/ 8” Copper Tubing) Liqui d Side He at Heat Exchanger Exchanger (Ev aporator) (Condenser) Reve rsing 3- Way Valve FIEL D PIPI N G Valve (Ø...
  • Page 22: Wiring Diagram

    WIRING DIAGRAM LAN090HSV4, LAN120HSV4 Auxiliary heater relay kit is not available on single-zone wall-mounted indoor units connected to a single-zone outdoor unit. 22 | PRODUCT DATA ©...
  • Page 23: Lan180Hsv4, Lan240Hsv3

    WIRING DIAGRAM LAN180HSV4, LAN240HSV3 Auxiliary heater relay kit is not available on single-zone wall-mounted indoor units connected to a single-zone outdoor unit. PRODUCT DATA | 23 ©...
  • Page 24: Lsu090Hsv4, Lsu120Hsv4

    WIRING DIAGRAM LSU090HSV4, LSU120HSV4 : Factory Wiring : Field Wiring : Optional 24 | PRODUCT DATA ©...
  • Page 25: Lsu180Hsv4, Lau240Hsv3

    WIRING DIAGRAM LSU180HSV4, LAU240HSV3 PRODUCT DATA | 25 ©...
  • Page 26 IDU, user will not be able to record data. This software can be used to both commission new systems and troubleshoot existing systems. LGMV data can be recorded to a “.CSV” file and emailed to an LG representative to assist with diagnostic evaluations. Recommended Minimum PC Configuration: •...
  • Page 27: Performance Data

    PERFORMANCE DATA “Cooling Capacity” on page 28 “Heating Capacity” on page 30 “Maximum Heating Capacity” on page 32 “Air Flow and Temperature Distributions Graphs” on page 34...
  • Page 28: Cooling Capacity

    PERFORMANCE DATA Cooling Capacity LA090HSV4, LA120HSV4 Table 7: LAN090HSV4/LSU090HSV4 Cooling Capacities. Outdoor Indoor Air Temperature (°F DB/ °F WB) 64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Temp.
  • Page 29 PERFORMANCE DATA Cooling Capacity LA180HSV4, LA240HSV3 Table 9: LAN180HSV4/LSU180HSV4 Cooling Capacities. Outdoor Indoor Air Temperature (°F DB/ °F WB) 64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72 90 / 75 Temp.
  • Page 30: Heating Capacity

    PERFORMANCE DATA Heating Capacity LA090HSV4, LA120HSV4 Table 11: LAN090HSV4/LSU090HSV4 Heating Capacities. Outdoor Air Indoor Air Temperature (°F DB/ °F WB) Temp. °F DB °F WB 5.51 0.47 5.34 0.46 5.29 0.46 5.24 0.46 5.20 0.46 5.09 0.45 4.97 0.45 6.00 0.51...
  • Page 31 PERFORMANCE DATA Heating Capacity LA180HSV4, LA240HSV3 Table 13: LAN180HSV4/LSU180HSV4 Heating Capacities. Outdoor Air Indoor Air Temperature (°F DB/ °F WB) Temp. °F DB °F WB 11.22 1.17 10.88 1.16 10.77 1.16 10.67 1.15 10.58 1.15 10.37 1.14 10.12 1.14 12.22 1.29 11.85 1.28...
  • Page 32: Maximum Heating Capacity

    PERFORMANCE DATA Maximum Heating Capacity LA090HSV4, LA120HSV4 Table 15: LAN090HSV4/LAU090HSV4 Maximum Heating Capacities. Outdoor Air Indoor Air Temperature (°F DB/ °F WB) Temp. °F DB °F WB 8.42 0.92 8.38 0.93 8.33 0.93 8.31 0.93 8.24 0.94 8.13 0.96 7.74 1.02...
  • Page 33 PERFORMANCE DATA Maximum Heating Capacity LA180HSV4, LA240HSV3 Table 17: LAN180HSV4/LAU180HSV4 Maximum Heating Capacities. Outdoor Air Indoor Air Temperature (°F DB/ °F WB) Temp. °F DB °F WB 16.99 2.29 16.90 2.30 16.81 2.30 16.76 2.31 16.61 2.34 16.39 2.38 15.61 2.53 17.95 2.32...
  • Page 34: Air Flow And Temperature Graphs

    PERFORMANCE DATA Air Flow and Temperature Distributions Graphs LAN090HSV4 Cooling Heating Discharge angle:45° Discharge angle:50° Air velocity [ft/s] Air velocity [ft/s] 8.9ft 8.9ft 6.6ft 6.6ft 4.0ft 4.0ft 16.4ft 13.1ft 9.8ft 6.6ft 3.3ft 16.4ft 13.1ft 9.8ft 6.6ft 3.3ft Te mperature [˚F] Te mperature [˚F] 8.9ft 8.9ft...
  • Page 35 PERFORMANCE DATA Air Flow and Temperature Distributions Graphs LAN180HSV4, LAN240HSV3 Cooling Heating Discharge angle:45° Discharge angle:50° Air velocity [ft/s] Air velocity [ft/s] 8.9ft 8.9ft 6.6ft 6.6ft 4.0ft 4.0ft 26.2ft 23ft 19.7ft 16.4ft 13.1ft 9.8ft 6.6ft 3.3ft 26.2ft 23ft 19.7ft 16.4ft 13.1ft 9.8ft 6.6ft...
  • Page 36: Equipment Selection Procedure

    APPLICATION GUIDELINES “Equipment Selection Procedure” on page 37 “Building Ventilation Design Guide” on page 39 “Placement Considerations” on page 41...
  • Page 37: Lan090Hsv4, Lsu090Hsv4 Lan120Hsv4, Lsu120Hsv4

    EQUIPMENT SELECTION PROCEDURE Cooling/Heating Correction Factors For Single Zone Art Cool Mirror systems, calculate the equivalent length of the liquid line from the outdoor unit to the indoor unit. Also, de- termine the elevation difference of the indoor unit above or below the outdoor unit. Find corresponding cooling or heating capacity correction factors as shown in Figures 5 through 8.
  • Page 38: Lan180Hsv4, Lsu180Hsv4 Lan240Hsv3, Lau240Hsv3

    EQUIPMENT SELECTION PROCEDURE Figure 7: Cooling 18k, 24k 7.5(24.6) 20(65.6) 30(98.4) Total Pipe Length[m(ft)] Figure 8: Heating 18k, 24k 7.5(24.6) 20(65.6) 30(98.4) Total Pipe Length[m(ft)] 38 | APPLICATION GUIDELINES ©...
  • Page 39: Building Ventilation Design Guide

    LG Electronics, U.S.A., Inc., In all cases, the designer, installer, and contractor should understand if the suggested method is used, it is used at their own risk. LG Electronics U.S.A., Inc., takes no responsibility and offers no warranty, expressed or implied, in law or in fact, including •...
  • Page 40 BUILDING VENTILATION DESIGN GUIDE Method 2: Unconditioned Outdoor Air (Non-Ducted, Natural Ventilation) Natural ventilation devices, such as operable windows or louvers may be used to ventilate the building when local code permits. The open area of a window or the free area of a louver must meet the minimum percentage of the net occupied floor area (Figure 10). Advantages Disadvantages •...
  • Page 41: Placement Considerations

    PLACEMENT CONSIDERATIONS Selecting the Best Location DANGER cause serious bodily injury or death. Install a fence to prevent vermin from crawling into the unit or unauthorized individuals from accessing it. Do not install the unit in a location where acidic solution and spray (sulfur) are often used as this may cause serious bodily injury or death. Do not use the unit in environments where oil, steam, or sulfuric gas are present as this may cause serious bodily injury or death.
  • Page 42 PLACEMENT CONSIDERATIONS Indoor Unit Clearance/Outdoor Unit Installation Figure 12: Single Zone Indoor Unit Clearance Requirements. Indoor Unit Best Location More than 4 inches Minimum clearance Follow recommended best practices when choosing an indoor location for the single zone indoor unit. from ceiling - “A”...
  • Page 43 PLACEMENT CONSIDERATIONS Outdoor Unit Clearances Minimum Clearance Requirements for Single-Zone Art Cool Mirror Systems Proper clearance for the outdoor unit coil is critical for proper unit operation. When installing the outdoor unit, consider service, inlet and outlet and minimum allowable space requirements as illustrated in the diagrams below. Specific clearance requirements in the diagram below are for the single-zone Art Cool Mirror wall mount systems.
  • Page 44: Refrigerant Piping Design & Layout Best Practices

    REFRIGERANT PIPING DESIGN & LAYOUT BEST PRACTICES “Refrigerant Piping Design” on page 45 "Selecting Field-Supplied Copper Tubing" on page 46 "Refrigerant Piping System Layout" on page 47 “Piping Connections” on page 49 "Electrical Connections" on page 51 “Mechanical Specifications” on page 53 "Acronyms"...
  • Page 45: Refrigerant Piping Design

    Outdoor unit pipe system. Refer to Figure 15 for maximum length and elevation of piping. Outdoor unit Indoor unit Table 21: Single-Zone Art Cool Mirror Wall-Mount Refrigerant Piping System Limitations. LA090HSV4 LA120HSV4 LA180HSV4 LA240HSV3 Longest total equivalent piping length 65.6 feet 65.6 feet...
  • Page 46: Selecting Field-Supplied Copper Tubing

    REFRIGERANT PIPING DESIGN Selecting Field-Supplied Copper Tubing Figure 16: Coiled Expansion Loops and Offsets. Large Tubing U-bend (>3/4 in.) Loop Small Tubing U-bend (<3/4 in.) Table 23: Radii of Coiled Expansion Loops and Developed Lengths of Expansion Offsets. Nominal Tube Size (OD) inches Anticipated Linear Expansion (LE) (inches) 1-1/2...
  • Page 47: Installation & Layout Best Practices

    INSTALLATION & LAYOUT BEST PRACTICES Refrigerant Piping System Layout Figure 17: Installing Piping Above and Below an Obstacle. Obstacles 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 pipe over the obstacle.
  • Page 48 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 49: Piping Connections

    INSTALLATION & LAYOUT BEST PRACTICES Piping Connections Single Zone Art Cool Mirror Outdoor Unit Connections 1. Remove the tubing cover from the unit by loosening the fastening screws (Figures 23 and 24). 2. Align the center of the refrigerant pipe and corresponding connection as shown in Figures 26 and 27. 3.
  • Page 50 INSTALLATION & LAYOUT BEST PRACTICES Piping Connections Installation of Refrigerant Piping / Brazing Practices It is imperative to keep the piping system free of contaminants and debris such as copper burrs, slag, or carbon dust during installation. All joints are brazed in the field. Single Zone Art Cool Mirror refrigeration system Figure 28: Refrigerant Pipe Brazing.
  • Page 51: Electrical Connections

    ELECTRICAL CONNECTIONS Figure 29: LSU090HSV4/LSU120HSV4 Figure 30: LSU180HSV4/LAU240HSV3 Outdoor Electrical Outdoor Unit Electrical Connection. Outdoor Unit Electrical Connection. Connection 1. Remove the control cover from the unit by loosen- 1(L1) 2(L2) 1(L1) 2(L2) 3 ing the fastening screw (Figures 29 and 30). Terminal Block 2.
  • Page 52: Technical Data

    TECHNICAL DATA “Mechanical Specifications” on page 53 “Acronyms” on page 54...
  • Page 53: Mechanical Specifications

    General Electrical strainer, check valves, oil separator, accu- LG Single Zone Art Cool Mirror systems are These units are available in 208-230V, 60 mulator, four-way reversing valve, electronic comprised of a single outdoor unit connected Hz, 1-phase power supply.
  • Page 54: Acronyms

    ACRONYMS Table 29: Table of Acronyms. Acrylonitrile Butadiene Styrene Indoor Unit Air Conditioner International Organization for Standardization Advanced Control Platform Kilo Watts American Society of Heating, Refrigeration, and ASHRAE Light Emitting Diode Air Conditioning American Wire Gauge Thousands BTUs per hour BLDC Brushless Digitally Controlled/Direct Maximum Circuit Ampacity...
  • Page 55 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics Commercial Products Support 1-888-865-3026 USA Follow the prompts for commercial A/C products. LG Electronics, U.S.A., Inc. Commercial Air Conditioning Division EM_SZ_ArtCoolMirror_HSV4_HSV3_12_15 4300 North Point Parkway Supersedes: EM-SZ-ArtCoolMirror-HSV4-3-15 Alpharetta, Georgia 30022 DFS-EM-AA-001-US_014B06...

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La240hsv3

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