LG LAU090HYV Engineering Manual
Art cool premier wall mounted
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- Engineer's manual (46 pages) ,
- Owner's manual (26 pages) ,
- Owner's manual (24 pages)
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Summary of Contents for LG LAU090HYV
- Page 1 art Cool PrEMiEr Wall MountEd EnginEEring Manual Art Cool Premier Wall Mounted 3/4 and 1 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. EM-SZ-ArtCoolPremier-ALL-09-14 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 LED lighting and Quality Commitment solar products. For more information, visit www.lg.com. LG is committed to the success of Duct Free Split projects. We 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.
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Page 4: Table Of Contents
tablE oF ContEntS InTrodUcTIon .................5 PErForMAncE dATA ..............25 Cooling Capacity ................26 Architectural Appeal................6 Heating Capacity ................27 ProdUcT dATA ................7 Air Flow and Temperature Distributions Graphs .......28-29 Product Features and Benefits ............8 APPLIcATIon GUIdELInES ............31 Unit nomenclature ................9 Equipment Selection Procedure ............32 General data ..................10 Building Ventilation design Guide ..........33-34 Art Cool Premier Pairing Table ............10... -
Page 5: Introduction
InTRoDUCTIon “architectural appeal” on page 6... -
Page 6: Wall Mount
Single Zone inverter Benefits of Single Zone Wall Mount Art cool Premier Wall Mount System Choosing an LG Single Zone Wall Mount product provides a system designer an • Inverter technology edge to engineer a system with indi- vidual 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 15 “acoustic data” on page 16 “refrigerant Flow diagram”... -
Page 8: Product Features And Benefits
Cooling and heating systems that use the indoor wall mount units each with custom LG Single Zone Art Cool Premier Wall Mount temperature controls allow for precise Standard from the factory, every LG Single product simplify and reduce the mechani-... -
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
The following table shows the available outdoor and indoor unit, along with the factory provided remote controller. Table 1: Single Zone Art Cool Premier Pairing Table outdoor Unit Model/Btu/h Indoor Unit Model/Btu/h Controller LAU090HYV / 9,000 LAn090HYV / 9,000 AKB73835312 LAU120HYV / 12,000 LAn120HYV / 12,000 Due to our policy of continuous product innovation, some specifications may change without notification. -
Page 11: Art Cool Premier Specifications
Art Cool Premier Specifications Table 2: Unit General Data Type Art Cool Premier Art Cool Premier System (Model) LA090HYV (LAn090HYV/LAU090HYV) LA120HYV (LAn120HYV/LAU120HYV) Cooling Capacity (Min/Rated/Max) (Btu/h) 1,023~9,000~12,966 1,023~12,000~13,785 Cooling Power Input (kW) 0.56 0.85 Heating Capacity (Min/Rated/Max) (Btu/h) -
Page 12: General And Electrical Data
ElECtriCal data LAu090HYV, LAu120HYV Table 2: Unit General Data (Continued) Type Art Cool Premier Art Cool Premier System (Model) LA090HYV (LAn090HYV/LAU090HYV) LA120HYV (LAn120HYV/LAU120HYV) Indoor Type (Qty) Cross Flow (1) outdoor Type (Qty) Propeller (1) Motor/Drive Brushless Digitally Controlled/Direct... -
Page 13: Functions, Controls, Options
√ CTIE Deodorizing filter Electro thermostat Plasma WLAn capability √ Allergy safe filter Water level sensor connection √ (for optional AG-9300-LG) 3M Simple HAF filter √ Wind baffle kit Drain pump E.S.P. control Thermistor Electric heater High ceiling √ = Standard feature Primary washable filters. -
Page 14: Outdoor Unit Dimensions
LAu090HYV, LAu120HYV 21-1/2 20-29/32 10-1/2 9-11/32 8-3/32 2-13/16 6-3/32 13-29/32 Center of Gravity [Unit: inch] Due to our policy of continuous product innovation, some specifications may change without notification. 14 | ProduCT dATA... -
Page 15: Indoor Unit Dimensions
indoor unit diMEnSionS LAn090HYV, LAn120HYV 2-5/32 11-5/8 2-5/32 [Unit : inch] Due to our policy of continuous product innovation, some specifications may change without notification. ProduCT dATA | 15... -
Page 16: Acoustic Data
Outdoor Unit - Sound Pressure Levels Table 5: outdoor Unit - Sound Level Model Sound Levels dB(A) Center of Outdoor Unit LAU090HYV 3.28 ft LAU120HYV Figure 1: Art Cool Premier Sound Pressure Level LAU090HYV/LAU120HYV NC-65 NC-60 NC-55 NC-50... - Page 17 aCouStiC data Indoor Unit - Sound Pressure Levels Table 6: Indoor Unit - Sound Level Indoor Unit Model Sound Levels dB(A) LAn090HYV LAn120HYV 3.28 ft 2.62 ft Microphone Figure 2: Art Cool Premier Sound Pressure Level LAN090HYV/LAN120HYV 1000 2000 4000 8000 Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification.
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Page 18: Refrigerant Flow Diagram
FloW diagraM LAn090HYV, LAn120HYV LAu090HYV, LAu120HYV Indoor Unit Outdoor Unit FIELD PIPING (Ø 1/4” Copper Tubing) Liquid Side 2-Way Valve Heat Heat Exchanger Exchanger (Evaporator ) (Condenser ) Gas Side Reversing Valve FIELD PIPING 3-Way Valve Accumulator (Ø 3/8” Copper... -
Page 19: Wiring Diagram
Wiring diagraM LAn090HYV, LAn120HYV Due to our policy of continuous product innovation, some specifications may change without notification. ProduCT dATA | 19... - Page 20 Wiring diagraM LAu090HYV, LAu120HYV Due to our policy of continuous product innovation, some specifications may change without notification. 20 | ProduCT dATA...
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Page 21: 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 LG Programmable mode, occupied / unoccupied temperature PREMTB10U White Thermostat setpoints, fan speed, and airflow direction. - Page 22 PCRCUDT3 mobile app on a smartphone via the LG Smart AC module device. Before specifying or placing an order, refer to the V-net network Solutions Engineering Product Data Book, and review the detailed technical data provided to fully understand the capabilities and limitations of these devices.
- Page 23 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 24 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.
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Page 25: Performance Data
PERFoRMAnCE DATA “Cooling Capacity table” on page 26 “heating Capacity table” on page 27 “air Flow and temperature distributions graphs” on page 28... -
Page 26: Cooling Capacity
PErForManCE data Cooling Capacity lan090hyV/lau090hyV 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 5.23 0.24 5.92 5.63 0.25 6.33 6.02 0.25 6.75 6.41 0.26 6.94 6.59 0.27 7.57 7.19 0.28... -
Page 27: Heating Capacity
PErForManCE data Heating Capacity lan090hyV/lau090hyV Indoor Air Temp. °F DB/°F WB outdoor Air Temperature (°F DB) (°F WB) 5.08 0.43 4.93 0.43 4.88 0.43 4.83 0.42 4.79 0.42 4.69 0.42 4.58 0.42 5.61 0.47 5.44 0.46 5.39 0.46 5.33 0.46 5.29... -
Page 28: Air Flow And Temperature Distributions Graphs
PErForManCE data Air Flow and Temperature Distributions Graphs lan090hyV 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 Temperature [˚F] Temperature [˚F] 8.9ft 8.9ft... - Page 29 PErForManCE data Air Flow and Temperature Distributions Graphs lan120hyV 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 Temperature [˚F] Temperature [˚F] 8.9ft 8.9ft...
- Page 30 This page intentionally left blank. 30 | ProduCT dATA Due to our policy of continuous product innovation, some specifications may change without notification.
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Page 31: Application Guidelines
APPLICATIon GUIDELInES “Equipment Selection Procedure” on page 32 “building Ventilation design guide” on page 33 “Placement Considerations” on page 35... -
Page 32: Equipment Selection Procedure
EQuiPMEnt SElECtion ProCEdurE Cooling / heating Correction Factors For the Art Cool Premier 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 5 and Figure 6. -
Page 33: 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, of merchantability or fitness of purpose if this method fails to perform as stated or intended. - Page 34 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. Advantages disadvantages • occupants control the volume of the ventilation air manually.
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Page 35: Placement Considerations
PlaCEMEnt ConSidErationS Selecting the best location DANGER • To avoid the possibility of fire, do not install the unit in an area where combustible gas may generate, flow, stagnate, or leak. • Do not install the unit in a location where acidic solution and spray (sulfur) are often used as this can cause serious burns and bodily injury or death. - Page 36 PlaCEMEnt ConSidErationS Outdoor Installation general Mounting Figure 10: Art Cool Premier 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 10).
- Page 37 PlaCEMEnt ConSidErationS Outdoor Installation Single Zone art Cool Premier Wall Mount outdoor unit Clearance Proper airflow through 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. Figure 11: Art Cool Premier outdoor Unit Clearance Figure 12: Art Cool Premier outdoor Unit next to Wall - Clearance Outdoor Unit Clearance...
- Page 38 PlaCEMEnt ConSidErationS Outdoor Installation Single Zone art Cool Premier Wall Mount outdoor unit Clearance Figure 14: oDU Service Access Clearance - Single Unit In order to have successful service access to the out door unit, ODU Service Access & Clearances see Figure 14 for minimum spacing.
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Page 39: Refrigerant Piping Design & Layout Best Practices
REFRIGERAnT PIPInG DESIGn & LAYoUT BEST PRACTICES “refrigerant Piping design” on page 40 "Selecting Field-Supplied Copper tubing" on page 41 "refrigerant Piping System layout" on page 42 "Piping Connection" on page 45 "Electrical Connections" on page 47 "Mechanical Specifications" on page 48 "acronyms"... -
Page 40: Refrigerant Piping Design
rEFrigErant PiPing dESign Design Guideline Summary device Connection limitations A Single Zone Art Cool Premier Wall Mount system consists of one outdoor unit and one indoor unit. one of the most critical elements of a Art Cool Premier Wall Mount system is the refrigerant piping. Table 11 below lists pipe length limits that must be followed in the design of a Single Zone Wall Mount refrigerant pipe system: Table 11: Art Cool Premier Wall Mount Refrigerant Piping System Limitations Longest total equivalent piping length... -
Page 41: Selecting Field-Supplied Copper Tubing
rEFrigErant PiPing dESign Selecting Field-Supplied Copper Tubing Table 12: 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 42: 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 43 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 Premier Wall Mount air-source systems are provided with redundant systems that assure oil is properly returned to the compressor.
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Page 44: 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 45: Piping Connection
inStallation & layout bESt PraCtiCES Piping Connection Single Zone art Cool Premier Connections Figure 24: Heat Pump outdoor Unit Removal of Connection Cover Pipe connection for a Single Zone System 1(L1) 2(L2) 1(L1) 2(L2) 1. Remove the connection cover from the unit by loosening the fastening screw (Figure 24). - Page 46 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. Art Cool Premier refrigeration system components Figure 26: Refrigerant Pipe Brazing contain very small capillary tubes, small orifices, electronic expansion valves, oil Refrigerant...
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Page 47: Electrical Connections
ElECtriCal ConnECtionS outdoor unit Electrical Connection Figure 27: Electrical Connection to outdoor Unit Procedure 1. Remove the conduit cover from the unit by loosening the fastening screws (Figure 27). 1(L1) 2(L2) 1(L1) 2(L2) 2. Take off the caps on the conduit panel. 3. -
Page 48: Mechanical Specifications
(EEV), high and 1-phase power supply. The unit is capable of An LG Single Zone Art Cool Premier system low side charging ports, service valves, and operating within voltage limits of ±10% rated is a Duct Free Split system that can oper- interconnecting piping. -
Page 49: Acronyms
aCronyMS Table 18: Table of Acronyms Acrylonitrile Butadiene Styrene Kilo Watts Air Conditioner Light Emitting Diode Advanced Control Platform LEED 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 50 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics Commercial Products Support LG Electronics U.S.A., Inc. 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.lghvac.com EM-SZ-ArtCoolPremier-ALL-09-14...