TABLE OF CONTENTS Unit Nomenclature .........................................4 LG Air Conditioner Technical Solution (LATS) .................................5-6 Product Data ..........................................7-35 Mechanical Specifications ......................................8 General Data ...........................................9-10 Electrical Data ..........................................11 Functions, Controls, Options ...................................... 12 Outdoor Unit Dimensions ......................................13-14 Indoor Unit Dimensions ......................................15-16 Acoustic Data ........................................17-20 Refrigerant Flow Diagram ....................................21...
UNIT NOMENCLATURE Single Zone Wall Mount Indoor and Outdoor Units Family LS = Wall Mounted Type N = Indoor Wall Mount Unit U = Outdoor Heat Pump Unit Capacity (Mbh) 243 = 22 303 = 30 363 = 33 Indoor/Outdoor Product HLV - Extended Piping Generation or Revision 1 = First...
Contact your LG Rep for the best software program for your application. To reduce the risk of designing an improper applied system or one that will not operate correctly, LG requires that LATS software be used on all projects.
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LATS can generate an Excel GERP report that can imported into the LG SOPS pricing and ordering system.
PRODUCT DATA Mechanical Specifications on page 8 General Data on page 9 Electrical Data on page 11 Functions, Controls, Options on page 12 Outdoor Unit Dimensions on page 13 Outdoor Unit Center of Gravity / Corner Weight on page 14 Indoor Unit Dimensions on page 15 Acoustic Data on page 17 Refrigerant Flow Diagram on page 21...
HLV3 indoor units have built-in Wi-Fi and Outdoor unit is constructed with pre-coated The outdoor unit includes one direct fan can be controlled by LG’s Smart ThinQ™ metal (PCM). drive, variable speed variable speed app on a smartphone. A field-supplied Wi-Fi Indoor unit is constructed of heavy duty propeller type fan.
GENERAL DATA Extended Piping Wall Mounted System Pairing Table The following tables show the available outdoor and indoor units, along with the factory provided controllers. Table 1: Single Zone Wall Mounted Extended Piping System Pairing Table Outdoor Unit Model Indoor Unit Model Controller LSU243HLV3 LSN243HLV3...
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GENERAL DATA Table 2: LS243HLV3 LS303HLV3 LS363HLV3 System (Model) (Indoor Unit / Outdoor Unit) (LSN243HLV3/LSU243HLV3) (LSN303HLV3/LSU303HLV3) (LSN363HLV3/LSU363HLV3) Cooling Capacity (Min/Rated/Max) (Btu/h) 3,070 ~ 22,000 ~ 30,000 3,070 ~ 30,000 ~ 34,000 3,070 ~ 33,000 ~ 34,000 Cooling Power Input (Rated) (kW) 1.69...
Outdoor Fan Indoor Fan Nominal Unit Model Voltage Range Compressor Motor Motor Hertz Voltage Tons Number (Min. to Max.) Qty. Cooling Heating LS243HLV3 19.0 14.41 14.41 2-1/2 LS303HLV3 208 - 230 187 - 253 23.0 15.1 15.1 0.25 2-3/4 LS363HLV3 23.0 15.1...
PI-485 o (PMNFP14A1) MultiSITE Communications Manager o (PBACNBTR0A) MultiSITE VM3 o (PBACNBTR1B) Wi-Fi Module (Built In) Water Level Sensor Connection (for Optional AG-9300-LG) Wind Baffle Kit o (ZLABGP04A) Mode Lock Cooling Only or Heating Only Temperature Control Thermistor Smart Inverter Monitoring System (SIMs) o (PSWMOZ3) Primary washable filters.
OUTDOOR UNIT CENTER OF GRAVITY / CORNER WEIGHT Figure 4: Center of Gravity and Corner Weight Dimensions Diagram. Table 5: Center of Gravity and Corner Weight Dimensions. Weight (lb.) Center of Gravity (inch) Leg (inch) Corner Weight (lb.) Model Shipping LSU243HLV3 147.7 135.4...
INDOOR UNIT ACOUSTIC DATA Extended Piping Wall Mounted Systems Indoor Unit Sound Pressure Measurement / Sound Pressure Levels Figure 5: Extended Piping Wall Mounted • Measurements are taken 3.3 feet (1 m) away from the front of the unit. Indoor Unit Sound Level Measurement •...
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INDOOR UNIT ACOUSTIC DATA Extended Piping Wall Mounted Systems LSN303HLV3 and LSN363HLV3 Sound Pressure Levels Figure 7: Sound Pressure Levels for LSN303HLV3 Indoor Units. LSN303HLV3 High High Middle Middle NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35...
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OUTDOOR UNIT ACOUSTIC DATA Extended Piping Wall Mounted Systems Outdoor Unit Sound Pressure Measurement / Sound Pressure Levels Figure 9: Extended Piping Wall Mounted Outdoor Unit Sound Level • Measurements are taken 3.3 feet (1 m) away from the front of the unit.
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OUTDOOR UNIT ACOUSTIC DATA Extended Piping Wall Mounted Systems LSU303HLV3 and LSU363HLV3 Sound Pressure Levels Figure 11: Sound Pressure Levels for LSU303HLV3 Outdoor Units. LSU303HLV3 Cooling Heating Front Front Back Back NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40...
Power Supply / Power Wiring • LG Single Zone Extended Piping systems operate at 1Ø, 208-230V, 60Hz. • Power wiring / power wiring gauge to the outdoor unit(s) must be solid or stranded, and must comply with all National Electrical Code (NEC), UL, and local electrical codes.
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ELECTRICAL CONNECTIONS Communication / Connection (Power) Cable Specifications from Outdoor Unit to Indoor Unit Figure 16: Typical Single Zone Outdoor Unit to Indoor Unit Wiring and Communications Cable Diagram For Wiring Lengths Up to 130 Feet. • For communication / connection (power) wires between the Single Zone outdoor unit and the indoor unit for lengths up to 130 feet, use a minimum 14 gauge, four (4) conductor, stranded, shielded or unshielded wire.
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Extended Piping Wall Mounted indoor unit in one of two different ways: 1. LG Wired Remote Extension Cable with Molex plug (PZCWRC1; sold separately) that connects to the CN-REMO terminal on the indoor unit PCB.
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ELECTRICAL CONNECTIONS Wired Controller Placement Figure 24: Proper Location for the Wired Controller. Wired controllers include a sensor to detect room temperature. To maintain comfort levels in the conditioned space, the wired controller must be installed in a location away from direct sunlight, high humidity, and where it could be directly exposed to cold air.
AIR FLOW, STATIC PRESSURE, AND TEMPERATURE DISTRIBUTION Table 10: Extended Piping Wall Mounted Outdoor Unit Air Flow Rate and Static Pressure. Model Air Flow Rate (CFM) Static Pressure (in. WG) LSU243HLV3 2,119 0.0409 LSU303HLV3, LSU363HLV3 2,295 0.0480 LSN243HLV3 Cooling Air Velocity [m/s (ft./s)] Temperature [°C (°F)] 2(6.6) 1(3.3)
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AIR FLOW, STATIC PRESSURE, AND TEMPERATURE DISTRIBUTION LSN243HLV3, continued. Heating Air Velocity [m/s (ft./s)] Temperature [°C (°F)] 24(75) 30(86) 32(90) 2(6.6) 1(3.3) 26(79) 0.5(1.6) 0.3(1) 22(72) 8 . 2 26.2 19.7 13.1 6 . 6 8 . 2 26.2 19.7 1 .
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AIR FLOW, STATIC PRESSURE, AND TEMPERATURE DISTRIBUTION LSN303HLV3 Cooling Air Velocity [m/s (ft./s)] Temperature [°C (°F)] 0.5(1.6) 1(3.3) 26(79) 0.3(1) 28(82) 2(6.6) 22(72) 18(64) 8 . 2 26.2 19.7 13.1 6 . 6 8 . 2 26.2 19.7 1 . 3 Side View Discharge Vertical Louver : Center...
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AIR FLOW, STATIC PRESSURE, AND TEMPERATURE DISTRIBUTION LSN303HLV3, continued. Heating Air Velocity [m/s (ft./s)] Temperature [°C (°F)] 30(86) 2(6.6) 28(82) 0.5(1.6) 26(79) 0.3(1) 1(3.3) 24(75) 8 . 2 26.2 19.7 13.1 6 . 6 8 . 2 26.2 19.7 1 . 3 Side View Discharge Vertical Louver : Center...
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AIR FLOW, STATIC PRESSURE, AND TEMPERATURE DISTRIBUTION LSN363HLV3 Cooling Air Velocity [m/s (ft./s)] Temperature [°C (°F)] 0.5(1.6) 1(3.3) 0.3(1) 26(79) 2(6.6) 28(82) 22(72) 18(64) 8 . 2 26.2 19.7 13.1 6 . 6 8 . 2 26.2 19.7 1 . 3 Side View Discharge Vertical Louver : Center...
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AIR FLOW, STATIC PRESSURE, AND TEMPERATURE DISTRIBUTION LSN363HLV3, continued. Heating Air Velocity [m/s (ft./s)] Temperature [°C (°F)] 30(86) 2(6.6) 28(82) 0.5(1.6) 26(79) 0.3(1) 1(3.3) 24(75) 8 . 2 26.2 19.7 13.1 6 . 6 8 . 2 26.2 19.7 1 . 3 Side View Discharge Vertical Louver : Center...
PERFORMANCE DATA Cooling Capacity Data on page 35 Maximum Cooling Capacity Data on page 37 Heating Capacity Data on page 39 Maximum Heating Capacity on page 41 Equipment Selection Procedure on page 43...
PERFORMANCE DATA Maximum Cooling Capacity LS243HLV3, LS303HLV3 Max. Cooling Capacity Table for LS243HLV3 (LSU243HLV3 + LSN243HLV3) Table 14: LSN243HLV3 / LSU243HLV3 Maximum Cooling Capacities. Indoor Air Temperature (°F DB / °F WB) Outdoor Air 64 / 53 68 / 57...
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PERFORMANCE DATA Maximum Cooling Capacity LS363HLV3 Max. Cooling Capacity Table for LS363HLV3 (LSU363HLV3 + LSN363HLV3) Table 16: LSN363HLV3 / LSU363HLV3 Maximum Cooling Capacities. Indoor Air Temperature (°F DB / °F WB) Outdoor Air 64 / 53 68 / 57 72 / 61 77 / 64 80 / 67 86 / 72...
PERFORMANCE DATA Maximum Heating Capacity LS243HLV3, LS303HLV3 Maximum Heating Capacity Table for LS243HLV3 (LSU243HLV3 + LSN243HLV3) Table 20: LSN243HLV3 / LSU243HLV3 Maximum Heating Capacities. Outdoor Air Indoor Air Temperature (°F DB) Temp. °F DB °F WB 21.44 2.87 21.32 2.87 21.22...
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PERFORMANCE DATA Maximum Heating Capacity LS363HLV3 Maximum Heating Capacity Table for LS363HLV3 (LSU363HLV3 + LSN363HLV3) Table 22: LSN363HLV3 / LSU363HLV3 Maximum Heating Capacities. Outdoor Air Indoor Air Temperature (°F DB) Temp. °F DB °F WB 27.18 4.47 27.03 4.48 26.90 4.49 26.82 4.49...
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• Use caution when sizing to meet listed capacity specifications for the scheduled manufacturer’s equipment. If further system design assistance is needed, or you have a unique application you would like to discuss, contact your LG sales rep. 44 | PERFORMANCE DATA...
APPLICATION GUIDELINES Placement Considerations on page 46 Installing Outdoor Units Indoors on page 51 Refrigerant Piping Design on page 54...
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PLACEMENT CONSIDERATIONS Indoor Unit Selecting the Best Location for the Indoor Unit Figure 25: Extended Piping Indoor Unit Clearance Requirements. Follow required best practices when choosing an indoor location for the single zone indoor unit. More than 8 inches Do’s More than More than (200 mm)
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PLACEMENT CONSIDERATIONS Outdoor Unit Selecting the Best Location for the Outdoor Unit DANGER • Do not install the unit in an area where combustible gas will generate, flow, stagnate, or leak. These conditions can cause a fire, result- ing in bodily injury or death. •...
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(inches) (inches) Diameter of pipe with insulation. Thickness of pipe insulation is typical. Actual required thickness will vary based on surrounding ambient conditions and must be calculated and specified by the design LS243HLV3, LS303HLV3, LS363HLV3 3/8 Flare 5/8 Flare engineer.
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PLACEMENT CONSIDERATIONS Outdoor Unit Oceanside Applications Figure 29: Oceanside Placement Using Windbreak. Use of a Windbreak to Shield from Sea Wind Windbreak Ocean winds will cause corrosion, particularly on the condenser and • Avoid installing the outdoor unit where it would be directly Sea wind exposed to ocean winds.
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PLACEMENT CONSIDERATIONS Outdoor Unit Minimum Clearance Requirements for Single Zone Extended Piping 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 Single Zone Extended Piping Wall Mounted systems.
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PLACEMENT CONSIDERATIONS Installing Outdoor Units Indoors Installing Outdoor Units Indoors Single Zone Extended Piping Wall Mounted outdoor units are engineered to be mounted outdoors and include technology designed to mini- mize the negative effects of winter weather’s freezing rain, sleet, and snow. Some building projects, however, necessitate placing the HVAC outdoor units indoors: •...
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PLACEMENT CONSIDERATIONS Installing Outdoor Units Indoors Provide a means to drain the condensate generated during heating mode and defrost cycle in addition to rainwater that infiltrates the inlet louver enclosed area. • Install a field-provided drain pan under the outdoor units and provide a path to a nearby floor drain. •...
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PLACEMENT CONSIDERATIONS Installing Outdoor Units Indoors Open Rate by Louver Radian Figure 34: Open Rate by Louver Radian Formula. ho = h * COS Total Area (A) = H * W Number of Open Spaces (N) = (Number of Louvers - 1) Effective Area (Af) = ho * W * N Louver Open Rate (n) = Af / A Af = A * n...
Outdoor unit Max Elevation = B maximum length and elevation of piping. Outdoor unit Indoor unit Table 30: Single Zone Extended Piping Wall Mounted Refrigerant Piping System Limitations. Model Numbers LS243HLV3 LS303HLV3 LS363HLV3 Vapor 5/8 inches 5/8 inches 5/8 inches...
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20001747 ISO 9001: 2008 LG ELECTRONICS INC. EM_SZ_WallMounted_ExtendedPiping_HLV3_03_2020 Supersedes: EM_SZ_WallMounted_ExtendedPiping_HLV_11_18 LG Electronics, U.S.A., Inc. EM_SZ_WallMounted_ExtendedPiping_HLV_12_16 Air Conditioning Technologies EM-SZ-HighEfficiencyWallmount-HSV3-HV3-HLV-9-16 4300 North Point Parkway EM-SZ-HighEfficiencyWallmount-HSV3-HV3-HLV-6-16 Alpharetta, Georgia 30022 DFS-EM-AH-001-US 014D10 www.lghvac.com...