LG Art Cool Mirror Inverter Engineering Manual

LG Art Cool Mirror Inverter Engineering Manual

Art cool mirror inverter wall mounted

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art Cool Mirror invErtEr Wall MountEd
EnginEEring Manual
Art Cool Mirror Inverter Wall Mounted
Ton,1 Ton, 1
Ton and 2 Ton
3/4
1/2

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Summary of Contents for LG Art Cool Mirror Inverter

  • Page 1 Cool Mirror invErtEr Wall MountEd EnginEEring Manual Art Cool Mirror Inverter Wall Mounted Ton,1 Ton, 1 Ton and 2 Ton...
  • Page 2 LG Electronics U.S.A., Inc., and are disclosed by LG Electronics U.S.A., Inc., only in confidence. This document is for design purposes only. DFS-EM-AA-001-US_014B06 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 For more information, visit www.lg.com. Quality Commitment duct-Free Split (dFS) Systems LG is committed to the success of DFS projects. We provide industry leading technical support during installation and commissioning. LG LG HVAC systems offer a range of solutions that are cost efficient, offers a variety of classes designed for installers and servicers to quiet and attractive.
  • Page 4: Table Of Contents

    tablE oF ContEntS InTrodUcTIon ..................5 Accessories ..................26 Architectural Appeal................6 PErFormAncE dATA ................ 33 Cooling Capacity ................33 ProdUcT FEATUrES And BEnEFITS ..........8 Heating Capacity ................35 UnIT nomEncLATUrE ................. 9 Equipment Selection Procedure ............39 LAN090HSV2, LAU090HSV2 General data ...................
  • Page 5: Introduction

    InTRoDUCTIon “architectural appeal” on page 6...
  • Page 6: Wall Mount

    Mount Duct Free Split (DFS) System is • Inverter technology among the industry’s best air-condition- ing units. Choosing an LG Single Zone Wall Mount product provides a system • Available in 9,000, 12,000, 18,000 and 24,000 designer an edge to engineer a system...
  • 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 7 “outdoor unit dimensions” on page 15 “indoor unit dimensions” on page 18 “acoustic data” on page 7 “refrigerant Flow diagram”...
  • Page 8: Product Features And Benefits

    LG Single Zone Art Cool Mirror Wall Mount outdoor units as low as 45 dB(A) at full load. fins designed to maximize unit operating ef- product simplify and reduce the mechani- LG customers often ask if the outdoor unit is ficiency over a wide range of ambient conditions. cal and control system design time. The running after commissioning is complete.
  • 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 = 9,000 120/121 = 12,000...
  • 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/ Btu/h Indoor Unit Model/ Btu/h Controller LAU090HSV2 / 9,000 LAn090HSV2 / 9,000...
  • Page 11 Art Cool Mirror Inverter Specifications Table 2: Unit General Data Type Art Cool Mirror System (Model) LA090HSV2 (LAn090HSV2/LAU090HSV2) LA120HSV2 (LAn120HSV2/LAU120HSV2) nominal Cooling Capacity (Btu/h) 9,000 11,200 Cooling Power Input (kW) 0.68 0.90 nominal Heating Capacity (Btu/h) 10,800 13,300...
  • Page 12 gEnEral data LAu090HSV2, LAu120HSV2 Table 2: Unit General Data (Continued) Type Art Cool Mirror System (Model) LA090HSV2 (LAn090HSV2/LAU090HSV2) LA120HSV2 (LAn120HSV2/LAU120HSV2) Piping Liquid Line (in, oD) Vapor Line (in, oD) Condensation Line (oD | ID) 27/32 | 5/8 Additional Refrigerant Charge (oz/ft) 0.22 Max Pipe Length (ft) 65.6...
  • Page 13 Art Cool Mirror Inverter Specifications Table 2: Unit General Data (Continued) Type Art Cool Mirror System (Model) LA180HSV2 (LAn180HSV2/LAU180HSV2) LA240HSV2 (LAn240HSV2/LAU240HSV2) nominal Cooling Capacity (Btu/h) 18,200 22,000 Cooling Power Input (kW) 1.45 2.04 nominal Heating Capacity (Btu/h) 22,000...
  • Page 14: General Data And Electrical Data

    gEnEral data and ElECtriCal data Table 2: Unit General Data (Continued) Type Art Cool Mirror System (Model) LA180HSV2 (LAn180HSV2/LAU180HSV2) LA240HSV2 (LAn240HSV2/LAU240HSV2) Piping Liquid Line (in, oD) Vapor Line (in, oD) Condensation Line (oD | ID) 27/32 | 5/8 Additional Refrigerant Charge (oz/ft) 0.38 Max Pipe Length (ft) 98.4...
  • Page 15: Outdoor Unit Dimensions

    outdoor unit diMEnSionS LAu090HSV2, LAu120HSV2 21-1/2 20-29/32 10-1/2 8-3/32 2- 13/16 6-3/32 13-29/32 Unit: inch Due to our policy of continuous product innovation, some specifications may change without notification. ProduCT dATA | 15...
  • Page 16: Lau180Hsv2, Lau240Hsv2

    outdoor unit diMEnSionS LAu180HSV2, LAu240HSV2 31-1/2 30-13/16 12-19/32 15-13/32 3-3/32 14-3/16 Unit: inch Due to our policy of continuous product innovation, some specifications may change without notification. 16 | ProduCT dATA...
  • Page 17: Indoor Unit Dimensions

    indoor unit diMEnSionS LAn090HSV2, LAn120HSV2 8-1/16 1-3/4 34-13/16 1-3/4 2-5/32 Place a level on raised tab Unit Outline 17-13/32 17-13/32 2-9/16 2-3/4 Installation Plate Left rear piping Right rear piping 3-11/16 5-3/16 6-29/32 8-1/2 Unit: inch Due to our policy of continuous product innovation, some specifications may change without notification. ProduCT dATA | 17...
  • Page 18: Lan180Hsv2, Lan240Hsv2

    indoor unit diMEnSionS LAn180HSV2, LAn240HSV2 40-9/16 9-11/16 1-13/16 1-13/16 2-17/32 Place a level on raised tab Unit Outline 18-3/32 22-13/32 2-3/4 2-3/4 Installation Plate Left rear Measuring Tape Right rear piping piping 2-11/16 2-3/16 8-3/32 4-3/32 Measuring Tape Hanger Unit: inch Due to our policy of continuous product innovation, some specifications may change without notification.
  • Page 19: Acoustic Data

    aCouStiC data Sound Pressure Levels ASNW123BRM9(LAN120HSV2 ASNW243CRM9(LAN240HSV2 Figure 2: LAn180HSV2/LAn240HSV2 Figure 1: LAn090HSV2/LAn120HSV2 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-3 5 NC-35 NC-3 0 NC-30 NC-25 NC-25 Approximate Approximate NC-20 Hearing NC-20 Hearing Threshold NC-15 Threshold NC-15...
  • Page 20: Refrigerant Flow Diagrams

    rEFrigErant FloW diagraMS LAn090HSV2, LAu090HSV2 LAn120HSV2, LAu120HSV2 Indoor Unit Outdoor Unit Liquid Side 2-Way Valve Heat Heat Exchanger Exchanger (Evaporator) (Condenser) Gas Side Reversing Valve Accumulator 3-Way Valve Cooling Compressor Heating LOC. Description PCB Connector Th 1 Indoor air temperature thermistor CN-TH1(Indoor) Th 2 Water level sensor (Option)
  • Page 21: Lan180Hsv2, Lau180Hsv2

    rEFrigErant FloW diagraMS LAn180HSV2, LAu180HSV2 LAn240HSV2, LAu240HSV2 Indoor Unit Outdoor Unit Liquid Side 2-Way Valve Heat Heat Exchanger Exchanger (Evaporator) (Condenser) Gas Side Reversing Valve Accumulator 3-Way Valve Cooling Compressor Heating LOC. Description PCB Connector Th 1 Indoor air temperature thermistor CN-TH1 (Indoor) Th 2 Evaporator inlet temperature thermistor...
  • Page 22: Wiring Diagram

    Wiring diagraM LAn090HSV2, LAn120HSV2 Due to our policy of continuous product innovation, some specifications may change without notification. 22 | ProduCT dATA...
  • Page 23: Lan180Hsv2, Lan240Hsv2

    Wiring diagraM LAn180HSV2, LAn240HSV2 Due to our policy of continuous product innovation, some specifications may change without notification. ProduCT dATA | 23...
  • Page 24: Lau090Hsv2, Lau120Hsv2

    Wiring diagraM LAu090HSV2, LAu120HSV2 Due to our policy of continuous product innovation, some specifications may change without notification. 24 | ProduCT dATA...
  • Page 25: Lau180Hsv2, Lau240Hsv2

    Wiring diagraM LAu180HSV2, LAu240HSV2 Due to our policy of continuous product innovation, some specifications may change without notification. ProduCT dATA | 25...
  • Page 26: Accessories

    Allows control of indoor unit on / oFF, fan Mode Selection speed, and temperature setpoint. PQRCHCA0QW White Allows control of indoor unit on / oFF, operation mode, occupied / unoccupied temperature LG Programmable PREMTB10U White setpoints, fan speed, and airflow direction. Thermostat Programmable schedule with five events per day..
  • Page 27 / oFF, Mode, Fan controlled and monitored by a PQDSBnGCM1 — for Thermostat Speed, Run Status, third-party thermostat or Error Status controller. Control integration to LG V-net PI-485 V-net outdoor controls (AC Smart Premium, Control PMnFP14A0 — — Integration...
  • Page 28 Model no. per Comm. Description Comm. Input / Connection Controller ports output 64 (128 Allow integration of LG BACnet Gateway PQnFB17C1 with PDI 2 / 2 24 VAC ® equipment for control Premium) and monitoring by open protocol BACnet and...
  • Page 29 Monitoring view (lgMv) diagnostic Software and Cable LGMV software allows the service technician or commissioning agent to connect a computer USB port to the outdoor unit main printed circuit board (PCB) using an accessory cable with- out the need for a separate interface device. The main screen for LGMV allows the user to view the following real time data on one screen: • Actual inverter compressor speed...
  • Page 30 LG monitoring View (LGmV) diagnostic Software and cable - continued The software is available in a high version with all of the features listed above. The low version has all features as the high version without Target High Pres- sure and Target Low Pressure values shown on main screen.
  • Page 31: Performance Data

    PERFoRMAnCE DATA “Cooling Capacity data” on page 32 “heating Capacity data” on page 34...
  • Page 32: Cooling Capacity

    PErForManCE data Cooling Capacity lan090hSv2/lau090hSv2 Indoor Air Temp. °F DB/°F WB outdoor air temp. 64/53 68/57 72/61 77/64 80/67 86/72 90/75 (°F DB) 5.51 4.83 0.29 5.92 5.19 0.30 6.33 5.56 0.31 6.75 5.92 0.31 6.94 6.08 0.32 7.57 6.64 0.34 7.99 7.00...
  • Page 33 PErForManCE data Cooling Capacity lan180hSv2/lau180hSv2 outdoor Indoor Air Temp. °F DB/°F WB air temp. 64/53 68/57 72/61 77/64 80/67 86/72 90/75 (°F DB) 11.14 9.77 0.62 11.98 10.50 0.63 12.81 11.23 0.65 13.64 11.97 0.67 14.03 12.30 0.70 15.31 13.43 0.72 16.15 14.16...
  • Page 34: Heating Capacity

    PErForManCE data Heating Capacity lan090hSv2/lau090hSv2 Indoor Air Temp. °F DB/°F WB outdoor Air Temperature (°F DB) (°F WB) 6.61 0.65 6.41 0.65 6.34 0.65 6.28 0.64 6.23 0.64 6.11 0.64 5.96 0.64 6.90 0.68 6.69 0.67 6.62 0.67 6.56 0.66 6.50 0.66 6.37...
  • Page 35 PErForManCE data Heating Capacity lan180hSv2/lau180hSv2 Indoor Air Temp. °F DB/°F WB outdoor Air Temperature (°F DB) (°F WB) 13.41 0.85 13.00 0.85 12.87 0.85 12.74 0.84 12.64 0.84 12.39 0.83 12.09 0.83 14.00 0.88 13.57 0.87 13.43 0.87 13.30 0.86 13.20 0.86 12.93...
  • Page 36 This page intentionally left blank. 36 | ProduCT dATA Due to our policy of continuous product innovation, some specifications may change without notification.
  • Page 37 APPLICATIon GUIDELInES “Equipment Selection Procedure” on page 38 “building ventilation design guide” on page 41 “Placement Considerations” on page 42...
  • Page 38: Equipment Selection Procedure

    EQuiPMEnt SElECtion ProCEdurE LAn090HSV2, LAu090HSV2 LAn120HSV2, LAu120HSV2 Cooling / heating Correction Factors For the Art Cool Mirror system, calculate the equivalent length of the liquid line from the outdoor unit to the indoor unit. Also, determine the elevation difference of the indoor unit above or below the outdoor unit. Find corresponding cooling or heating capacity correction factors as shown in Figure 7 throuigh Figure 10.
  • Page 39: Lan180Hsv2, Lau180Hsv2 Lan240Hsv2, Lau240Hsv2

    EQuiPMEnt SElECtion ProCEdurE LAn180HSV2, LAu180HSV2 LAn240HSV2, LAu240HSV2 Capacity Coefficient Factors (Continued) Figure 9: Cooling Capacity Coefficient Factor Cooling 24.6 65.6 98.4 Total Pipe Length (ft) Figure 10: Heating Capacity Coefficient Factor Heating 24.6 65.6 98.4 Total Pipe Length (ft) Equivalent Piping length for Piping Components Table 9:Equivalent Piping Length for Elbows Size (Inches) Component 1-1/8...
  • Page 40: Building Ventilation Design Guide

    In all cases, the designer, installer, and contractor should under- stand that if the suggested method is used, it is used at their own risk. LG Electronics U.S.A., Inc., takes no responsibility and of- fers no warranty, expressed or implied, of merchantability or fitness of purpose if this method fails to perform as stated or intended.
  • Page 41 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 12). Advantages disadvantages • occupants control the volume of the ventilation air manually.
  • Page 42: Placement Considerations

    PlaCEMEnt ConSidErationS Selecting the best location Select a location for installing the outdoor unit that will meet the following conditions: • Where the unit will not be subjected to direct thermal radiation from other heat sources. • Where operating sound from the unit will not disturb inhabitants of surrounding buildings. • Where the unit will not be exposed to direct, strong winds.
  • Page 43 PlaCEMEnt ConSidErationS Outdoor Installation general Mounting Figure 14: outdoor Unit—Mounting Methods Securely attach the outdoor unit to a condenser pad, base rails, or other mounting platform that is securely anchored to the ground or building structure. Attach the oDU with a bolt and nut onto a concrete or rigid mount (Figure 14).
  • Page 44 PlaCEMEnt ConSidErationS Outdoor Installation Single Zone art Cool Mirror Wall Mount outdoor unit Clearance Proper airflow through the oDU coil is critical for proper unit operation. When installing the oDU, consider service, inlet, and outlet, and minimum allowable space requirements as illustrated in the diagrams below. Specific clearance requirements in the diagrams below are for the Art Cool Mirror oDU.
  • Page 45: Refrigerant Piping Design & Layout Best Practices

    REFRIGERAnT PIPInG DESIGn & LAYoUT BEST PRACTICES “refrigerant Piping design” on page 46 "Selecting Field-Supplied Copper tubing" on page 47 "refrigerant Piping System layout" on page 48 “Piping Connection” on page 45 "Electrical Connections" on page 53 “Mechanical Specifications” on page 45 "acronyms"...
  • Page 46: Refrigerant Piping Design

    rEFrigErant PiPing dESign Design Guideline Summary device Connection limitations A Single Zone Art Cool Mirror Wall Mount system consists of one outdoor unit and one indoor unit. one of the most critical elements of a Art Cool Mirror Wall Mount system is the refrigerant piping. Table 10 below lists pipe length limits that must be followed in the design of a Single Zone Wall Mount refrigerant pipe system.
  • Page 47: Selecting Field-Supplied Copper Tubing

    rEFrigErant PiPing dESign Selecting Field-Supplied Copper Tubing Table 11: 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...
  • Page 48: Installation & Layout Best Practices

    inStallation & layout bESt PraCtiCES Refrigerant Piping System Layout definitions Physical Pipe Length: Actual length of straight segment(s) of pipe. Equivalent Pipe Length: Actual length of pipe plus equivalent lengths of elbows and valves. layout Procedure 1. Draft a one-line diagram of the proposed piping system connect- ing outdoor unit to indoor unit.
  • Page 49 inStallation & layout bESt PraCtiCES Refrigerant Piping System Layout in-line refrigeration Components Components such as oil traps, solenoid valves, filter-dryers, sight glasses, tee fittings, and other after-market accessories are not permitted on the refrigerant piping system between the outdoor unit and the indoor unit. Art Cool Mirror Wall Mount air-source systems are provided with redundant systems that assure oil is properly returned to the compressor.
  • Page 50: Pipe Sleeves At Penetrations

    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 51: Piping Connection

    inStallation & layout bESt PraCtiCES Piping Connection Single Zone art Cool Mirror outdoor unit Connections Figure 26:outdoor Unit Connection Cover Removal 1. Remove the tubing cover from the unit by loosening the fastening screws (Figure 26). 2. Align the center of the refrigerant pipe and corresponding connection as shown in Figure 27.
  • Page 52 inStallation & layout bESt PraCtiCES Refrigerant Piping System Layout installation of refrigerant Piping / brazing Practices 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. DFS Single Zone Inverter refrigeration system Figure 29: Refrigerant Pipe Brazing.
  • Page 53: Electrical Connections

    ElECtriCal ConnECtionS outdoor Electrical Connection Figure 30:outdoor Unit Connection 1. Remove the control cover from the unit by Art Cool Mirror loosening the fastening screw (Figure 30). Outdoor Unit 2. Take off the caps on the conduit panel. 3. Connect both the power supply and low voltage Terminal block lines to the corresponding terminals on the ter- Over 0.2”...
  • Page 54: Mechanical Specifications

    The outdoor unit includes one direct drive, An LG Single Zone Art Cool Mirror system strainer, check valves, oil separator, accu- variable speed propeller type fan. is a DFS system that can operate in either mulator, four-way reversing valve, electronic cooling or heating mode.
  • Page 55: Acronyms

    aCronyMS Table 17: Table of Acronyms Acrylonitrile Butadiene Styrene Kilo Watts Air Conditioner Light Emitting Diode LEED Advanced Control Platform Leadership in Energy and Environmental Design American Society of Heating, Refrigeration, and Thousands BTUs per hour ASHRAE Air Conditioning Maximum Circuit Ampacity American Wire Gauge Maximum overcurrent Protection BLDC...
  • Page 56 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics Commercial Products Support LG Electronics Commercial Air Conditioning Division 1-888-865-3026 USA 11405 old Roswell Road Follow the prompts for commercial A/C products. Alpharetta, Georgia 30009 www.lg-vrf.com DFS-EM-AA-001-US_014B06...

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