LG AKB73835312 Engineering Manual Download Page 7 | Manualshive

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“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” on page 18
“Wiring diagram” on page 19
“accessories” on page 21

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Summary of Contents for AKB73835312

Page 1: ...Engineering Manual Art Cool Premier Wall Mounted 3 4 and 1 Ton Art Cool Premier Wall Mounted ...

Page 2: ...e specifications without notice LG Electronics U S A Inc Proprietary Data Notice This document as well as all reports illustrations data information and other materials is 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 ...

Page 3: ...nted air conditioners These inverter heat pump systems are available in a variety of configurations to suit different 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 Inverter Wall Mount air source systems offer the opportunity to minimize ductwork in the same configuration ...

Page 4: ...election Procedure 32 Building Ventilation Design Guide 33 34 Placement Considerations 35 38 Refrigerant Piping Design Layout Best Practices 39 Refrigerant Piping Design 40 41 Installation Layout Best Practices 42 46 Electrical Connections 47 Mechanical Specifications 48 Acronyms 49 TABLE OF Symbols This symbol indicates an imminently hazardous situation which if not avoided will result in death o...

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

Page 6: ...on These are best suited for applica tions with zones that require heating or cooling such as residential and small business office buildings Single Zone Wall Mount Outdoor and Indoor units are available in 208 230V 60Hz 1Ph Adaptable and Flexible The Single Zone Wall Mount System allows cooling or heating for the entire residence or just a single room without the need for evasive duct work There ...

Page 7: ...ure 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 on page 18 Wiring Diagram on page 19 Accessories on page 21 Product data ...

Page 8: ... 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 minimizes compressor and fan component run time which may lead to lower utility usage Simplified Installation Cooling and heating systems that use the LG Single Zone Art Cool Premier Wall Mount product simpli...

Page 9: ...oor Product HEV Mega HXV Mega 115V HYV Art Cool Premier HVP Art Cool Gallery HSV3 High Efficiency HSV2 Art Cool Mirror HV Standard HLV Extended Pipe Nominal Capacity Nominal cooling capacity in Btu h 090 091 9 000 120 121 12 000 180 181 18 000 240 24 000 307 30 000 360 36 000 Type N Indoor Wall Mount Unit U Outdoor Heat Pump Unit Family LA Art Cool Premier Gallery Mirror LS High Efficiency Wall Mo...

Page 10: ...otification General Data Art Cool Premier Pairing Table 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 LAU120HYV 12 000 LAN090HYV 9 000 LAN120HYV 12 000 AKB73835312 ...

Page 11: ...d Pressure dB A 45 Unit Weight lbs Indoor Unit Net Shipping 25 29 Outdoor Unit Net Shipping 73 78 Power Communication Cable4 No x AWG 4 x 18 EEV Electronic Expansion Valve IDU Indoor Unit ODU Outdoor Unit Power wiring is field supplied and must comply with the applicable local and national codes This unit comes with a dry helium charge This data is rated 0 ft above sea level with 24 6 ft of refrig...

Page 12: ...ow 1 Outdoor Type Qty Propeller 1 Motor Drive Brushless Digitally Controlled Direct Airflow Rate Indoor Max H M L CFM 547 494 417 283 Outdoor Max CFM 1 165 Piping Liquid Line in OD 1 4 Vapor Line in OD 3 8 Condensation Line OD ID 27 32 5 8 Additional Refrigerant Charge oz ft 0 22 Pipe Length Minimum Maximum ft 5 6 6 65 6 Piping Length no add l refrigerant ft 5 41 0 Max Elevation Difference ft 32 8...

Page 13: ...t Hot start Self diagnostics Soft Dry dehumidification Auto changeover Auto clean coil dry Auto restart Child lock X Forced operation Sleep mode Timer 24hr on off Weekly timer X Two thermistor control X Indoor Unit Type Art Cool Premier Wall Mounted LAN090HYV LAN120HYV Controllers Wireless Remote Controller Simple Controller with Mode Selection o Simple Controller without Mode Selection o LG Progr...

Page 14: ...oduct innovation some specifications may change without notification Outdoor Unit Dimensions LAU090HYV LAU120HYV 30 5 16 22 4 3 16 13 29 32 6 3 32 2 3 32 10 29 32 1 20 29 32 21 1 2 10 1 2 9 11 32 19 31 32 2 13 16 8 3 32 4 3 2 5 11 5 16 5 23 32 Ø18 5 16 Unit inch Center of Gravity Discharge Air Grille ...

Page 15: ...e without notification Indoor Unit Dimensions LAN090HYV LAN120HYV Ø 2 9 16 Ø 2 9 16 4 13 16 6 11 16 Right rear piping Left rear piping Installation Plate Place a level on raised tab Unit Outline 8 17 32 6 29 32 17 17 5 16 5 9 1 4 11 5 8 1 31 32 34 7 16 1 31 32 2 5 32 2 5 32 3 2 1 4 Unit inch Return Air Grille ...

Page 16: ...ressure Level Outdoor Unit Sound Pressure Levels Octave Band Sound Pressure Level dB re 20µPa Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold LAU090HYV LAU120HYV 3 28 ft Center of Outdoor Unit Model Sound Levels dB A H LAU090HYV 45 LAU120HYV 45 Table 5 Outdoor ...

Page 17: ...Cool Premier Sound Pressure Level Indoor Unit Sound Pressure Levels Octave Band Sound Pressure Level dB re 20µPa Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 LAN090HYV LAN120HYV Model Sound Levels dB A H M L LAN090HYV 42 36 25 LAN120HYV 42 36 25 Table 6 Indoor Unit Sound Level 2 62 ft 3 28ft Microphone Indoor Unit ...

Page 18: ...ption CN TH2 Indoor Th4 Evaporating middle temperature thermistor CN TH3 Indoor Th5 Discharge pipe temperature thermistor CN TH2 OUTDOOR Th6 Heat exchanger temperature thermistor CN TH1 OUTDOOR Th7 Outdoor air temperature thermistor CN TH1 OUTDOOR EEV Electronic Expansion Valve Indoor Unit Outdoor Unit Heat Exchanger Evaporator Heat Exchanger Condenser Compressor Accumulator GasSide 3 WayValve 2 W...

Page 19: ...Product Data 19 Product Data Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAN090HYV LAN120HYV ...

Page 20: ...20 Product Data Art Cool Premier Wall Mounted Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAU090HYV LAU120HYV ...

Page 21: ...unoccupied temperature setpoints fan speed and airflow direction Programmable schedule with five events per day 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 Table 8 Summary Data Zone Controller Communication Cables Before ...

Page 22: ... Contact Unit for Thermostat PQDSBNGCM1 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 PQNFP00T0 Comm BUS ON OFF 0 1 One 25A DPST normally open relay Used with central controller to control third party device manually or by schedule LG Smart AC PCRCUDT2 PCRCUDT3 Indoo...

Page 23: ...om temperature Indoor unit inlet pipe temperature Indoor unit outlet pipe temperature LG 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 ...

Page 24: ...s the option to connect to IDU with the use of a USB to RS 485 connector kit When connected through IDU user will not be able to record data This software can be used to both commission new systems and troubleshoot existing systems LGMV data can be recorded to a CSV file and emailed to an LG representative to assist with diagnostic evaluations Recommended Minimum PC Configuration CPU Pentium IV 1 ...

Page 25: ... Cooling Capacity Table on page 26 Heating Capacity Table on page 27 Air Flow and Temperature Distributions Graphs on page 28 Performance Data ...

Page 26: ...B 64 53 68 57 72 61 77 64 80 67 86 72 90 75 TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI 14 7 35 6 39 0 36 7 90 6 87 0 37 8 45 7 35 0 38 9 00 7 83 0 40 9 25 8 05 0 41 10 10 8 78 0 42 10 65 9 26 0 44 23 7 89 6 86 0 36 8 48 7 38 0 37 9 07 7 89 0 38 9 66 8 40 0 39 9 93 8 64 0 41 10 84 9 43 0 42 11 43 9 94 0 43 25 8 00 6 96 0 37 8 59 7 47 0 38 9 18 7 99 0 39 9 77 8 50 0 40 10 04 8 74...

Page 27: ...e F TC Total Capacity kBtu h PI Power Input kW includes compressor indoor fan motor and outdoor fan motor NOTES 1 All capacities are net Evaporator fan motor heat is deducted 2 Direct interpolation is permissible Do not extrapolate 3 Capacities are based on the following conditions Interconnecting Piping Length 24 6 ft Level Difference of zero Indoor Air Temperature 70 F 21 1 C DB 60 F 15 6 C WB O...

Page 28: ...ling Discharge angle 45 Heating Discharge angle 50 Air velocity ft s 8 9ft 6 6ft 4 0ft 0ft 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft Temperature F 2 5 3 3 1 6 77 75 2 73 4 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft 8 9ft 6 6ft 4 0ft 0ft Air velocity ft s Temperature F 2 5 3 3 3 9 1 6 82 4 84 2 86 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft 8 9ft 6 6ft 4 0ft 0ft 8 9ft 6 6ft 4 0ft 0ft...

Page 29: ... s Temperature F 2 5 4 1 3 3 4 9 1 6 77 75 2 73 4 8 9ft 6 6ft 4 0ft 0ft 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft 8 9ft 6 6ft 4 0ft 0ft Air velocity ft s Temperature F 2 5 4 1 3 3 4 9 1 6 82 4 84 2 86 8 9ft 6 6ft 4 0ft 0ft 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft 8 9ft 6 6ft 4 0ft 0ft 0ft 3 3ft 6 6ft 9 8ft 13 1ft 16 4ft Cooling Discharge angle 45 Heating Discharge angle 50...

Page 30: ...30 Product Data Art Cool Premier Wall Mounted Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification This page intentionally left blank ...

Page 31: ... Equipment Selection Procedure on page 32 Building Ventilation Design Guide on page 33 Placement Considerations on page 35 Application Guidelines ...

Page 32: ... Figure 6 Multiply the correction factors by the cooling or heating capacity obtained from the capacity table using design conditions The resultant is the NET cooling or heating capacity Equipment Selection Procedure Component Size Inches 1 4 3 8 1 2 5 8 3 4 7 8 1 1 1 8 1 1 4 1 3 8 1 1 2 1 5 8 1 3 4 2 1 8 Elbow ft 0 5 0 6 0 7 0 8 1 2 1 3 1 5 1 6 1 8 2 0 2 1 2 3 2 5 2 8 Equivalent Piping Length for...

Page 33: ...ecting DOAS Equipment with Reserve Capacity by John Murphy published in the ASHRAE Journal April 2010 Method 1 Decoupled Dedicated Outdoor Air System DDOAS Provide a separate dedicated outdoor air system designed to filter condition and dehumidify ventilation air and deliver it directly to the conditioned space through a separate register or grille This approach requires a separate independent ven...

Page 34: ...haust fans to remove 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 Advantages Outdoor a...

Page 35: ...irect heavy snowfall If snow piles up and blocks the airflow the system may malfunction 3 Remove any snow that has accumulated 3 15 16 inches or more on the top of the outdoor unit 4 Place the outdoor unit on a raised platform at least 19 11 16 inches higher than the average annual snowfall for the area In environments where there is a possibility of heavy snow the frame height must be more than t...

Page 36: ...eight that is equal to the average annual snowfall plus 20 inches Design the mounting base to prevent snow accumulation on the platform in front or back of the unit case If necessary provide a field fabricated hood to keep snow and ice and or drifting snow from accumulating on the coil surfaces Use inlet and discharge duct or hoods to prevent snow or rain from accumulating on the fan inlet and out...

Page 37: ...observe the clearance requirements as shown in Figure 11 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 unit is adequately anchored Consult local codes regarding rooftop mounting Do not place the unit where animals and or plants will be in...

Page 38: ...ure 15 ODU Service Access Clearance Multiple Units More than 8 inches More than4 inches More than 4 inches At least 6 5 feet from the floor Indoor Unit Clearance Follow recommended best practices when choosing an indoor loca tion for the Single Zone indoor unit Do not install near doorway Keep unit away from any indoor steam or excessive heat to avoid equipment malfunction No obstacles should be p...

Page 39: ...ield 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 on page 49 Refrigerant Piping Design Layout Best Practices ...

Page 40: ...total equivalent piping length 6 6 feet Distance between fittings and indoor or outdoor units 20 inches Elevation All Elevation Limitations are Measured in Actual Feet If outdoor unit is above indoor unit 32 8 feet If outdoor unit is below indoor unit 32 8 feet One of the most critical elements of a Art Cool Premier Wall Mount system is the refrigerant piping Table 11 below lists pipe length limit...

Page 41: ... 0 58 0 65 0 70 0 73 0 75 60 0 24 0 24 0 30 0 36 0 39 0 42 0 45 0 48 0 51 0 54 0 57 0 60 0 63 0 66 0 65 0 69 0 78 0 84 0 87 0 90 1 Pipe length baseline temperature 0 F Expansion of Carbon Copper and Stainless Steel Pipe The Engineers Toolbox www engineeringtoolbox com Table 12 Linear Thermal Expansion of Copper Tubing in Inches Selecting Field Supplied Copper Tubing Anticipated Linear Expansion LE...

Page 42: ...igerant should be used on both the liquid and vapor lines If valves are not installed and the indoor unit needs to be removed or repaired the entire system must be shut down and evacuated Position valves with a minimum distance of three 3 to six 6 inches of pipe on either side of the valve Valves shall be easily accessible for service If necessary install drywall access doors or removable ceiling ...

Page 43: ...e insulation jacket see Figure 19 Insulate the pipe first because pipe supports shall be installed outside around the primary pipe insulation jacket Clevis hangers should be used with shields between the hangers and insulation Field provided pipe supports should be designed to meet local codes If allowed by code use fiber straps or split ring hangers suspended from the ceiling on all thread rods f...

Page 44: ...ion deterioration and 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 15 Utility Conduit Sizes Inches 1 OD pipe diameter in inches Values in parenthesis indicate OD of pip...

Page 45: ...th a torque wrench until the wrench clicks Follow the guidelines as outlined in Table 17 for the amount of torque to use When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Figure 24 Heat Pump Outdoor Unit Removal of Connection Cover Figure 25 Heat Pump Outdoor Unit Piping Connection Installation Layout Best Practices Connection cove...

Page 46: ...ion if necessary Mark all pipes at the point where the insulation jacket ends Remove the jacket Install field provided insulation on the run out and main trunk pipes first Peel the adhesive glue protector slip from the insulation jacket and install the clam shell jacket over the fitting All joints are brazed in the field Art Cool Premier refrigeration system components contain very small capillary...

Page 47: ...th the power supply and low volt age lines to the corresponding terminals on the terminal block 4 Be sure to ground the unit by following local codes 5 Allow for enough length add several inches for each wiring 6 Secure the cable with the cord clamp 7 Secure conduit tubes with lock nuts 8 Refix the control cover to the original position with the fastening screw Separately wire the high and low vol...

Page 48: ... a refrigerant strainer check valves oil separator accu 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 C...

Page 49: ...ETL Electronic Testing Laboratories H M L High Medium Low HIPS High Impact Polystyrene HVAC Heating Ventilation and Air Conditioning ID Innovations in Design LEED Related IDU Indoor Unit ISO International Organization for Standardization kW Kilo Watts LED Light Emitting Diode LEED Leadership in Energy and Environmental Design MBh Thousands BTUs per hour MCA Maximum Circuit Ampacity MOP Maximum Ove...

Page 50: ... Division 11405 Old Roswell Road Alpharetta Georgia 30009 www lghvac com 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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