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Due to our policy of continuous product innovation, some specifications may change without notification.

introduction

About lg electronics, inc.

LG Electronics, Inc. is a global leader and technology innovator

in consumer electronics, mobile communications, and home

appliances. LG Electronics, Inc. comprises five business units—

Home Entertainment, Mobile Communications, Air Conditioning,

Business Solutions, and Home Appliance. LG is one of the world’s

leading producers of flat panel televisions, audio and video products,

mobile handsets, air conditioners, and washing machines. LG’s

commercial air conditioning business unit was established in 1968

and has built its lineup of residential and commercial products to

include VRF, Multi F, duct-free split systems, packaged terminal air

conditioners (PTACs), and room air conditioners. In 2011, the air

conditioning and energy solutions business unit grew to include LED

lighting and solar products. For more information, visit www.lg.com.

duct-Free Split Systems

LG HVAC systems offer a range of solutions that are cost efficient,

quiet and attractive. Duct-Free Split systems are “split” into indoor

and outdoor units, and provide a smart alternative to both central

HVAC and window-mounted air conditioners. These inverter heat

pump systems are available in a variety of configurations to suit dif-

ferent cooling and heating situations. Installation by a qualified HVAC

contractor is safe and easy – little to no duct work or sheet metal is

required.

inverter Systems

LG Single Zone Art Cool

™

Premier Wall Mounted air-source systems

offer the opportunity to minimize ductwork in the same configuration.

The system offers zoning without the need for zone damper systems.

The LG Single Zone Art Cool

™

Premier system’s advanced controls

provide exceptional building dehumidification and temperature

control, and can rapidly adapt system operating parameters to the

ever changing building load. The LG Single Zone Art Cool

™

Premier

system is easy to design, install, and maintain. The modular design

allows occupants to control their environmental condition, providing

individualized control of the setpoint temperature and allowing oc-

cupants to condition only the occupied zones.

Quality Commitment

LG is committed to the success of Duct-Free Split projects. We

provide industry leading technical support during installation and

commissioning. LG offers a variety of classes designed for installers

and servicers to ensure that every system installation is completed

successfully.

Classes are conducted at LG’s training centers and in field locations

at various times throughout the year and upon special request.

Содержание LA090HYV1

Страница 1: ...3 4 and 1 Tons Models LA090HYV1 LA120HYV1 Single zone Art Cool Premier WALL Mounted Engineering Manual ...

Страница 2: ...l as all reports illustrations data information and other materials are the property of 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 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 ...

Страница 3: ... smart alternative to both central HVAC and window mounted air conditioners These inverter heat pump systems are available in a variety of configurations to suit dif ferent cooling and heating situations Installation by a qualified HVAC contractor is safe and easy little to no duct work or sheet metal is required Inverter Systems LG Single Zone Art Cool Premier Wall Mounted air source systems offe...

Страница 4: ... Capacity 27 Air Flow and Temperature Distribution Graphs 28 Equipment Selection Procedure 30 Building Ventilation Design Guide 31 Placement Considerations 32 34 Refrigerant Piping Design Layout Best Practices 38 43 Design Guideline Summary 38 Selecting Field Supplied Copper Tubing 39 Refrigerant Piping System Layout 40 Electrical Connections 44 Mechanical Specifications 46 Acronyms 47 TABLE OF Sy...

Страница 5: ...Introduction Architectural Appeal on page 6 ...

Страница 6: ... in a nominal capacities of 3 4 and 1 tons These are best suited for applica tions with zones that require heating or cooling such as residential and small business office buildings Single Zone Art Cool Premier Wall Mounted out door and indoor units are available in 208 230V 60Hz 1Ph Adaptable and Flexible Single zone wall mounted duct free split systems allow cooling or heating for the entire res...

Страница 7: ...ge 10 Electrical Data on page 12 Functions Controls Options on page 13 Outdoor Unit Dimensions on page 14 Indoor Unit Dimensions on page 15 Acoustic Data on page 16 Refrigerant Flow Diagram on page 18 Indoor Unit Wiring Diagram on page 19 Outdoor Unit Wiring Diagram on page 20 Accessories on page 21 ...

Страница 8: ...ows single zone system outdoor units to vary the compressor motor shaft speed to deliver an appropriate amount of cooling to the indoor unit Precise refrigerant volume delivery translates into long periods with coil surface temperatures below dew point and minimiz es compressor and fan component run time which may lead to lower utility usage Simplified Installation Cooling and heating applications...

Страница 9: ...ts LA N 090 HSV 4 Type N Indoor Wall Mount Unit U Outdoor Heat Pump Unit Family LA Art Cool Premier Gallery Mirror LS High Efficiency Wall Mount Standard Mega Generation or Revision 1 First 2 Second 3 Third 4 Fourth Nominal Capacity Nominal cooling capacity in Btu h 090 091 9 000 120 121 12 000 180 181 18 000 240 24 000 300 307 30 000 360 36 000 Indoor Outdoor Product HEV Mega HXV Mega 115V HYV Ar...

Страница 10: ...Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp General Data Art Cool Premier Pairing Table The following table shows the available outdoor and indoor units along with the factory provided controller Table 1 Single Zone Art Cool Premier Pairing Table Outdoor Unit Model Indoor Unit Model Controller LAU090HYV1 LAU120HYV1 LAN090HYV1 LAN120HYV1 AKB73835320 ...

Страница 11: ...y 1 Twin Rotary 1 Fan IDU Type Qty Cross Flow 1 ODU Type Qty Propeller 1 Motor Drive Brushless Digitally Controlled Direct Airflow Rate IDU Max H M L CFM 547 494 417 283 547 494 417 283 ODU Max CFM 1 165 1 165 Piping Liquid Line in OD 1 4 1 4 Vapor Line in OD 3 8 3 8 Condensation Line OD ID 27 32 5 8 27 32 5 8 Additional Refrigerant Charge oz ft 0 22 0 22 Pipe Length5 Minimum Maximum ft 6 6 65 6 6...

Страница 12: ...ns Compressor Qty Compressor A Cool Heat Fan Qty ODU Fan A IDU Fan A MCA A MOP A LA090HYV1 3 4 1 8 3 8 3 1 0 40 0 40 11 2 15 LA120HYV1 1 1 8 3 8 3 1 0 40 0 40 11 2 15 Table 3 Single Zone Art Cool Premier System Electrical Data Table Voltage tolerance is 10 Maximum allowable voltage unbalance is 2 MCA Minimum Circuit Ampacity Maximum Overcurrent Protection MOP is calculated as follows Largest motor...

Страница 13: ...trol X X Electric heater X X High ceiling X X Defrost Low ambient Hot start Self diagnostics Soft dry dehumidification Auto changeover Auto clean coil dry Auto restart Child lock X X Forced operation Sleep mode Timer 24hr on off Weekly timer X X Two thermistor control X X Controllers Wireless Remote Controller Simple Controller with Mode Selection o o Simple Controller without Mode Selection o o L...

Страница 14: ...ge without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp LAU090HYV1 LAU120HYV1 Outdoor Unit Dimensions Center of gravity Unit Inch 30 5 16 22 4 3 16 13 15 16 6 1 8 2 1 8 10 15 16 1 20 15 16 21 1 2 10 1 2 9 3 8 20 2 13 16 8 1 8 4 3 2 5 11 5 16 5 3 4 Ø18 5 16 Ground Terminal ...

Страница 15: ...U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Indoor Unit Dimensions LAN090HYV1 LAN120HYV1 Ø2 9 16 4 13 16 6 11 16 Right rear piping Left rear piping Place a level on raised tab Unit Outline 8 9 16 6 15 16 17 17 5 16 5 Ø2 9 16 34 7 16 9 1 4 11 5 8 3 2 2 3 16 1 2 2 2 3 16 4 Unit Inch for piping and cable ...

Страница 16: ...e levels are measured in dB A with a tolerance of 3 Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 Sound level will vary depending on a range of factors including the construction acoustic absorption coefficient of a particular room in which the unit was installed Outdoor Unit Acoustic Data Octave Band Center Frequency Hz Octave Band Sound ressure Level 0dB 20μPa 1...

Страница 17: ...om 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 Sound level will vary depending on a range of factors including the construction acoustic absorp tion coefficient of a particular room in which the unit was installed Indoor Unit Acoustic Data Octave Band Sound Pressure Level 0dB ...

Страница 18: ...oor air temperature thermistor CN TH1 Indoor TH2 Water level sensor optional CN TH2 Indoor TH3 Evaporator middle temperature thermistor CN TH3 Indoor TH4 Condensing temperature thermistor CN TH1 Outdoor TH5 Outdoor air temperature thermistor TH6 Discharge pipe temperature thermistor CN TH2 Outdoor FIELD PIPING Ø1 4 Copper Tubing FI ELD PIPING Ø3 8 Copper Tubing M M Heat Exchanger Evaporator He at ...

Страница 19: ...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 Wiring Diagram LAN090HYV1 LAN120HYV1 ...

Страница 20: ...ing Manual 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 Wiring Diagram LAU090HYV1 LAU120HYV1 ...

Страница 21: ...d and air flow direction for up to 16 indoor units Programmable schedule with 5 events per day with control of occupied unoccupied on off mode setpoints and fan speed Advanced functions include two setpoint autochangeover minimum difference between setpoints setback timed override target energy consumption display check energy display and master slave LG Programmable Thermostat PREMTB10U White 164...

Страница 22: ...d party controls using binary inputs and outputs Dry Contact Unit for Economizer occupied unoccupied PQDSBC1 On Off Mode Controller Lock Power Save Run Status Error Status 2 2 Dry Contact Unit for 24V Thermostat PDRYCB300 On Off Thermo On Off Mode Fan Speed Run Status Error Status Enables the indoor unit to be controlled and monitored by a third party thermostat or controller Digital Output DO Kit...

Страница 23: ...out the need for a separate interface device The main screen for LGMV shall allow user to view the following real time data on one screen Additional screens can be accessed by tabs on the main screen 1 Cycleview Graphic of internal components including 2 Setting Converts metric values to imperial values 3 Making Data Recording of real time data to a separate file created to be stored on the user s...

Страница 24: ...ll Mounted Engineering Manual 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 ...

Страница 25: ...PERFORMANCE DATA Cooling Capacity on page 26 Heating Capacity on page 27 Air Flow and Temperature Distributions Graphs on page 28 ...

Страница 26: ...I TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 14 6 73 5 45 0 34 7 24 5 86 0 35 7 74 6 27 0 36 8 25 6 68 0 37 8 48 6 87 0 38 9 26 7 50 0 40 9 76 7 91 0 41 23 7 23 5 86 0 34 7 77 6 29 0 35 8 31 6 73 0 36 8 85 7 17 0 37 9 10 7 37 0 38 9 94 8 05 0 40 10 48 8 49 0 41 25 7 33 5 94 0 35 7 87 6 38 0 36 8 42 6 82 0 37 8 96 7 25 0 38 9 20 7 46 0 39 10 04 8 13 0 40 10 58 8 57 0 42 30 7 62 6 1...

Страница 27: ...F DB F WB 60 64 68 70 72 75 86 TC PI TC PI TC PI TC PI TC PI TC PI TC PI 12 13 5 54 0 46 5 38 0 46 5 32 0 46 5 27 0 45 5 23 0 45 5 11 0 45 5 00 0 45 3 4 6 12 0 50 5 94 0 50 5 88 0 50 5 82 0 49 5 77 0 49 5 66 0 49 5 52 0 49 0 1 6 66 0 55 6 46 0 54 6 40 0 54 6 33 0 54 6 28 0 54 6 16 0 53 6 01 0 53 6 5 7 05 0 57 6 84 0 57 6 77 0 57 6 70 0 56 6 65 0 56 6 52 0 56 6 36 0 56 10 9 7 36 0 59 7 14 0 59 7 07...

Страница 28: ...ft 6 6ft 3 3ft 0ft 3 3ft 6 6ft 73 4 73 4 80 6 80 6 84 2 87 8 91 4 73 4 77 Temperature F Air velocity ft s 4 9 6 6 8 2 9 8 11 5 13 1 14 8 16 4 4 9 0ft 13 1ft 16 4ft 9 8ft 6 6ft 3 3ft 0ft 13 1ft 16 4ft 9 8ft 6 6ft 3 3ft 0ft 3 3ft 6 6ft 0ft 3 3ft 6 6ft Temperature F 73 4 73 4 71 6 75 2 69 8 68 64 4 77 66 2 3 3 6 6 8 2 9 8 11 5 13 1 14 8 18 0 16 4 Air velocity ft s 3 3 0ft 13 1ft 16 4ft 9 8ft 6 6ft 3 ...

Страница 29: ... Equipment Selection Procedure on page 30 Building Ventilation Design Guide on page 31 Placement Considerations on page 33 Application Guidelines ...

Страница 30: ...he 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 and 6 Multiply the correction factors by the cooling or heating capacity obtained from the capacity tables using design conditions The resultant is the NET cooling or heating capacity Figure 5 LA090HYV1 LA...

Страница 31: ...OAS method in all installations Ceiling Diffuser Outdoor Air Unit ERV Outdoor Air Wall Mount Inverter Intake Grill Figure 7 Decoupled Dedicated Outdoor System Diagram Methodology illustrations are for examples only and do not depict actual indoor units for the specific outdoor unit pairing These are generic illus trations to show ventilation design only Building Ventilation Design Guide ASHRAE 62 ...

Страница 32: ...ove air from the building and outdoor air is drawn into occupied spaces through a wall louver or gravity roof intake hood Supply fans can also be used to push the outdoor air into the space and building positive pressure will vent the exhaust air through louvers or roof mounted exhaust hoods Outdoor air is neither cooled nor heated before entering the building Figure 9 Advantages Outdoor air may b...

Страница 33: ...low fans are not buried by direct heavy snowfall If snow piles up and blocks the airflow the system may malfunction 3 Remove any snow that has accumulated by 4 inches or more on the top of the outdoor unit 4 Place the outdoor unit on a raised platform at least 20 inches higher than the average annual snowfall for the area In environments where there is a possibility of heavy snow the frame height ...

Страница 34: ...t system Snow and Ice Conditions In climates that experience snow build up place the unit on a raised platform to ensure condenser airflow The raised support platform must be high enough to allow the unit to remain above possible snow drifts Mount the unit on a field provided snow stand at a minimum height that is equal to the average annual snowfall plus 20 inches Design the mounting base to prev...

Страница 35: ...it under an overhang awning sunroof or other roof like structure observe the clearance requirements as shown in Figure 13 for height in relation to the unit This clearance ensures that heat radiation from the condenser is not restricted around the unit Adhere to all clearance requirements if installing the unit on a roof Be sure to level the unit and ensure that the unit is adequately anchored Con...

Страница 36: ...er Wall Mounted Engineering Manual 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 ...

Страница 37: ... 38 Selecting Field Supplied Copper Tubing on page 39 Refrigerant Piping System Layout on page 40 Electrical Connections on page 44 Mechanical Specifications on page 46 Acronyms on page 47 Refrigerant Piping Design Layout Best Practices ...

Страница 38: ... 6 feet Shortest total equivalent piping length 6 6 feet 6 6 feet Distance between fittings and indoor units or outdoor units 20 inches 20 inches Elevation All Elevation Limitations are Measured in Actual Feet If outdoor unit is above indoor unit 32 8 feet 32 8 feet If outdoor unit is below indoor unit 32 8 feet 32 8 feet Additional Refrigerant Needed oz ft 0 22 0 22 Pipe Length1 Fluid Temperature...

Страница 39: ...h of each pipe segment Using Elbows Field supplied elbows are allowed as long as they are long radius and designed for use with R410A refrigerant The designer should be cautious with the quantity and size of fittings used and must account for the additional pressure losses in equivalent pipe length calculation The equivalent pipe length of each elbow must be added to each pipe segment See Table 17...

Страница 40: ...een the hangers and insulation Field provided pipe supports must meet local codes If allowed by code use fiber straps or split ring hangers suspended from the ceiling on all thread rods fiber straps or split ring hangers can be used as long as they do not compress the pipe insulation Place a second layer of insulation over the pipe insulation jacket to prevent chafing and compression of the primar...

Страница 41: ...d water infiltration Refrigerant pipe installed inside underground casing must be continuous without any joints Underground refriger ant pipe must be located at a level below the frost line Figure 23 Typical Arrangement of Refrigerant Pipe and Cable s in a Utility Conduit Table 18 Utility Conduit Sizes Inches 1 OD pipe diameter in inches Values in parenthesis indicate OD of pipe with insulation ja...

Страница 42: ...ce a couple of drops of refrigerant oil on the opening rim of the flare before assembling Ensure you do not add any contaminants Tighten the flare nut initially by hand 4 Finish tightening the flare nut with a torque wrench until the wrench clicks See Figures 25 and 26 Tubing cover Figure 24 LSU090HYV1 LSU120HYV1 Outdoor Unit Connection Cover Removal Outside Diameter Inches Torque Lbs ft 1 4 13 18...

Страница 43: ...t piping including liquid lines and vapor lines shall be insulated separately Insulation shall be a minimum 1 2 thick and thickness may need to be increased based on ambient conditions and local codes All insulation joints shall be glued with no air gaps Insulation material must fit snugly against the refrigeration pipe with no air space between it and the pipe Insulation passing through pipe hang...

Страница 44: ...nnecting electrical wiring to the unit Ensure you connect the wire firmly Loose wiring may cause unit malfunction the wires to burnout or the terminal to overheat and catch fire There is a risk of equipment malfunction or property damage Use outdoor and waterproof connection cable rated up to 300V for the connection between the indoor and outdoor unit to avoid dam age to the unit Comply with local...

Страница 45: ... Mechanical Specifications on page 46 Acronyms on page 47 Technical Data ...

Страница 46: ... mulator four way reversing valve electronic controlled expansion valve EEV high and low side charging ports service valves and interconnecting piping Refrigeration Oil Control Heat Pump outdoor units have a centrifugal oil separator and controls to ensure suf ficient oil supply is maintained and that oil does not travel with the refrigerant Compressors The outdoor unit is equipped with one hermet...

Страница 47: ...rcurrent Protection BUS Binary Unit System MSC Maximum Starting Current CFM Cubic Feet per Minute NC Noise Criterion regarding Sound Pressure Levels COP Coefficient Of Performance NEC National Electrical Code CR Combination Ratio ODU Outdoor Unit DB Dry Bulb PCB Printed Circuit Board dB A Decibels with A frequency weighting PCM Pre Coated Metal DDOAS Decoupled Dedicated Outdoor Air PDI Power Distr...

Страница 48: ...l Road Alpharetta Georgia 30009 www lg vrf com EM SZ ArtCoolPremier ALL 3 15 Supersedes EM SZ ArtCoolPremier ALL 09 14 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 ...

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