LG KSSAL151A Engineering Manual
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LG KSSAL151A Engineering Manual

LG KSSAL151A Engineering Manual

R32 single zone art cool premier wall mounted
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R32 SINGLE ZONE
ART COOL PREMIER
WALL MOUNTED
ENGINEERING MANUAL
KSSAL151A(15,000 Btu/h)
KSSAL181A(18,000 Btu/h)
KSSAL241A(24,000 Btu/h)

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Summary of Contents for LG KSSAL151A

  • Page 1 R32 SINGLE ZONE ART COOL PREMIER WALL MOUNTED ENGINEERING MANUAL KSSAL151A(15,000 Btu/h) KSSAL181A(18,000 Btu/h) KSSAL241A(24,000 Btu/h)

  • Page 2: Proprietary Data Notice

    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 Microsoft® Corporation. ® LATS Revit integrates the LG LATS program with Revit® software**. It permits engineers to layout and validate LG VRF, Multi F / Multi F MAX, Single-Zone, and DOAS directly into Revit drawings.

  • Page 4: Lg Air Conditioner Technical Solution (Lats)

    LATS can generate an Excel GERP report that can be imported into the LG SOPS pricing and ordering system.

  • Page 5: Table Of Contents

    Controllers ..........................................71-72 Limited Warranty ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 73 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: Table Of Symbols

    R32 Refrigerant LG Electronic split system heating and air conditioning (HVAC) products now contain R32 refrigerant. While R32 refrigerant is slightly flammable, it has a higher efficiency, a lower Global Warming Potential (GWP) value, and is more environmentally friendly than R410A.

  • Page 7: Product Data

    PRODUCT DATA Nomenclature on page 8 Pairing Table on Page 9 Mechanical Specifications on page 10 General Data on page 11 Electrical Data on page 13 Functions, Controls, and Options on page 14 Accessories on page 16 Outdoor Unit Dimensions on page 18 Outdoor Unit Center of Gravity / Corner Weight on page 19 Indoor Unit Dimensions on page 20 Air Flow, Temperature Distribution Graphs on page 21...

  • Page 8: Nomenclature

    1 to 9 9. Function A = 208~230V 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: Pairing Table

    KUSAL151A, KUSAL181A, KUSAL241A KNSAL151A, KNSAL181A, KNSAL241A AKB76044208 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: Mechanical Specifications

    Overcurrent protection and vibration isolation are integrated with the compressor. 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: General Data

    Power Input is rated at high speed. 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 (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB). 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: Electrical Data

    LRA = Locked Motor Amps RLA = Rated 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 14: Functions, Controls, Options

    Not all controllers can support all features. Contact your LG representative for details. 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 Not all controllers can support all features. Contact your LG representative for details. 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 16: Accessories

    ACCESSORIES LG Monitoring View (LGMV) Diagnostic Software and Cable LG Monitoring View (LGMV) is a maintenance and troubleshooting tool for Multi V™ air conditioning systems. LGMV formats are available for computer or mobile phone use. The main screen for LGMV allows the user to view the following real time data: •...
  • Page 17 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 Dimensions

    Figure 5: KUSAL151A, KUSAL181A, KUSAL241A Outdoor Unit Dimensions. 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: Outdoor Unit Center Of Gravity / Corner Weight

    23-7/32 12-19/32 5-29/32 24-13/32 14-13/32 18.6 24.2 49.1 43.5 KUSAL241A 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 Dimensions

    Figure 7: KNSAL151A, KNSAL181A, KNSAL241A Indoor Unit Dimensions. 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: Air Flow, Temp. Distribution Graphs

    Air Speed 0.3 m/s (1 ft./s) Range : 20.0 m (65.6 ft.) 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 Air Speed 0.3 m/s (1 ft./s) Range : 20.0 m (65.6 ft.) 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 Air Speed 0.3 m/s (1 ft./s) Range : 20.0 m (65.6 ft.) 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 Air Speed 0.3 m/s (1 ft./s) Range : 20.0 m (65.6 ft.) 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 Air Speed 0.3 m/s (1 ft./s) Range : 20.0 m (65.6 ft.) 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 26 Air Speed 0.3 m/s (1 ft./s) Range : 20.0 m (65.6 ft.) 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 27: Outdoor Unit Acoustic Data

    Cooling Sound Pressure Level Diagram. Heating Sound Pressure Level 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 ” is a registered trademark of LG Corp.

  • Page 28: Indoor Unit Acoustic Data

    Model Cooling Heating KNSAL151A KNSAL181A KNSAL241A 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 29 Cooling Sound Pressure Level Diagram. Heating Sound Pressure Level 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 ” is a registered trademark of LG Corp.

  • Page 30: Performance Data

    PERFORMANCE DATA Cooling Capacity on page 31 Maximum Cooling Capacity on page 34 Heating Capacity on page 37 Maximum Heating Capacity on page 40 Correction Factors on page 43 Check Selection on page 44...

  • Page 31: Cooling Capacity

    2. Low Ambient Wind Baffle Kit (sold separately) allows operation down to 0°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 32 2. Low Ambient Wind Baffle Kit (sold separately) allows operation down to 0°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 33 2. Low Ambient Wind Baffle Kit (sold separately) allows operation down to 0°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 34: Maximum Cooling Capacity

    2. Low Ambient Wind Baffle Kit (sold separately) allows operation down to 0°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 35 2. Low Ambient Wind Baffle Kit (sold separately) allows operation down to 0°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 36 2. Low Ambient Wind Baffle Kit (sold separately) allows operation down to 0°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 37: Heating Capacity

    2. Direct interpolation is permissible. Do not extrapolate. 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 2. Direct interpolation is permissible. Do not extrapolate. 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 2. Direct interpolation is permissible. Do not extrapolate. 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: Maximum Heating Capacity

    2. Direct interpolation is permissible. Do not extrapolate. 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 2. Direct interpolation is permissible. Do not extrapolate. 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 2. Direct interpolation is permissible. Do not extrapolate. 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: Correction Factors

    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: Check Selection

    • 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 an LG sales rep. Due to our policy of continuous product innovation, some specifications may change without notification.

  • Page 45: Application Guidelines

    APPLICATION GUIDELINES Placement / Clearance Considerations for Indoor Units on page 46 Placement / Clearance Considerations for Outdoor Units on page 48 Installing Outdoor Units Indoors on page 52...

  • Page 46: Indoor Unit Placement / Clearance Considerations

    The unit will be damaged, will malfunction, and / or will not operate as designed if installed in any of the conditions listed. 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 Also, add a ceiling grille for Heat or steam source ventilation. 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: Outdoor Units

    Outdoor unit requires condensate drain piping. Condensate drain pipe is constructed with materials approved by local code. See section on outdoor unit placement. 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: Planning For Snow And Ice

    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: Oceanside Applications

    Additional anti-corrosion treatment may need to be applied to the outdoor unit at oceanside locations. 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 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 52: Installing Outdoor Units Indoors

    • Discharge and supply ductwork must be designed to avoid weather related long periods of water entrainment and the potential for microbial growth. 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 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 /min. = 247% (Within Allowable Limits) 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: Refrigerant Piping Design

    REFRIGERANT PIPING DESIGN Refrigerant Flow Diagrams on page 56 Connection Limitations and System Layout on page 57 Additional Refrigerant Charge on page 58 Refrigerant Piping System Engineering on page 59...

  • Page 56: Refrigerant Flow Diagrams

    KSSAL151A, KSSAL181A, KSSAL241A Units Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Capacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.

  • Page 57: Connection Limitations And System Layout

    CONNECTION LIMITATIONS / SYSTEM LAYOUT Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Ca- pacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.

  • Page 58: Additional Refrigerant Charge

    ADDITIONAL REFRIGERANT CHARGE Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Capacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.

  • Page 59: Refrigerant Piping System Engineering

    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 “R32 RATED” along the length of the pipe. Piping wall thickness must meet local code requirements and be approved for a maximum operating pressure of 626 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 60: Copper Expansion And Contraction

    REFRIGERANT PIPING SYSTEM ENGINEERING Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Ca- pacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.
  • Page 61 REFRIGERANT PIPING SYSTEM ENGINEERING Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Ca- pacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.
  • Page 62 REFRIGERANT PIPING SYSTEM ENGINEERING Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Ca- pacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.

  • Page 63: Pipe Supports

    REFRIGERANT PIPING SYSTEM ENGINEERING Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Ca- pacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.

  • Page 64: Pipe Sleeves At Penetrations

    REFRIGERANT PIPING SYSTEM ENGINEERING Various tools are available to assist in properly designing LG R32 split systems. Refer to the “R32 Application Guide”; the “Simple Calculator for Ca- pacity, Refrigerant Charge and ESP”; the “LG Air Conditioner Technical Solutions” (LATS) software program; and the local LG Sales Representative.

  • Page 65: Electrical

    ELECTRICAL General Guidelines on page 66 Wiring Diagrams on page 67 Power Supply / Power Wiring on page 69 Communication / Connection Cable on page 70 Controllers on page 71...

  • Page 66: General Guidelines

    Do not allow wire to touch refrigerant piping, the compressor or any moving parts since it can lead to mechanical 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 67: Wiring Diagrams

    Figure 39: KUSAL151A, KUSAL181A, KUSAL241A Outdoor Units Wiring Diagram. 12 / 24 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 Outdoor Unit Power / Communication Connection 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: Power Supply / Power Wiring

    1(L1) 2(L2) Terminal Block Indoor Indoor 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 70: Communication / Connection Cable

    Indoor Unit install here. Terminal 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: Controller Options

    4 5 6 13 14 15 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 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: Limited Warranty

    “The product’s full Limited Warranty terms and conditions and arbitration requirements are available at https://www.lghvac.com." 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 74 LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway Alpharetta, Georgia 30022 NEW ISSUE: EM_SZ_Art_Cool_Premier_R32_01_25 www.lghvac.com...

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