LG Art Cool LAN120HYV Engineer'S Manual Download

Page: 46 / 46

LG Electronics

Commercial Air Conditioning Division

11405 old Roswell Road

Alpharetta, Georgia 30009

www.lg-vrf.com

DFS-EM-AG-001-US_014A07

Supercedes: DFS-EM-AG-001-US_013M12

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.

Summary of Contents for Art Cool LAN120HYV

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

Page 2: ...ecifications 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: ...e 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 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 Inv...

Page 4: ...t Piping Design Layout Best Practices 35 Refrigerant Piping Design 36 Design Guideline Summary 36 Selecting Field Supplied Copper Tubing 37 Installation Layout Best Practices 38 42 Refrigerant Piping System Layout 38 Piping Connection 41 Electrical Connections 43 Mechanical Specifications 44 Acronyms 45 TABLE OF sYMBOLS This symbol indicates a potentially hazardous situation which if not avoided m...

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

Page 6: ...lable in a nominal capacity range of 3 4 to 1 ton These are best suited for applications with zones that require heat ing 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 DFS System allows cooling or heating for the entire residence or just a single...

Page 7: ...ure on page 9 General Data on page 10 Electrical Data on page 12 Outdoor Unit Dimensions on page 13 Indoor Unit Dimensions on page 14 Acoustic Data on page 15 Refrigerant Flow Diagram on page 16 Wiring Diagram on page 17 Accessories on page 19 Product data ...

Page 8: ...power consumption and monthly utility bills This latest inverter technology allows the LG Single Zone Art Cool Premier Wall Mount outdoor unit 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 minimizes compressor and fan componen...

Page 9: ...hird Indoor Outdoor Product HEV Mega HYV Art Cool Premier HVP Art Cool Gallery HSV High Efficiency HSV2 Art Cool Mirror HV Standard 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 Mount Standard Mega...

Page 10: ... notification GeneraL Data Art Cool Premier Pairing Table The following table shows the available outdoor and indoor unit along with the factory provided 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: ...Drive Brushless Digitally Controlled Direct Airflow Rate Indoor Max H M L CFM 547 494 417 283 Outdoor Max CFM 1 165 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 refrigerant line per indoor uni...

Page 12: ...90HYV LAU090HYV LA120HYV LAN120HYV LAU120HYV 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 Max Pipe Length ft 5 65 6 Piping Length no add l refrigerant ft 5 41 0 Max Elevation Difference ft 32 8 Table 2 Unit General Data Continued EEV Electronic Expansion Valve IDU Indoor Unit ODU Outdoor Unit Power wiring is field supp...

Page 13: ...Product Data 13 Product Data Due to our policy of continuous product innovation some specifications may change without notification Outdoor Unit Dimensions LAU090HYV LAU120HYV ...

Page 14: ...Product Data Art Cool Premier Wall Mount Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification Indoor Unit Dimensions LAN090HYV LAN120HYV ...

Page 15: ...und 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 ASUW093MMB8 LAU090HYV ASUW123MMB8 LAU120HYV 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 AS...

Page 16: ...ondenser Compressor Accumulator GasSide 3 WayValve 2 WayValve LiquidSide Cooling Heating Reversing Valve EEV Th1 Th6 Th3 Th7 Th4 Th5 LOC Description PCB Connector Th1 Indoor air temperature thermistor CN TH1 Indoor Th3 Water level sensor Option CN TH2 Indoor Th4 Evaporating middle temperature thermistor CN TH3 Indoor Th5 Discharge pipe temperature thermistor CN TH2 OUTDOOR Th6 Heat exchanger tempe...

Page 17: ...Product Data 17 Product Data Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAN090HYV LAN120HYV ...

Page 18: ...18 Product Data Art Cool Premier Wall Mount Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAU090HYV LAU120HYV ...

Page 19: ...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 5 Summary Data Zone Controller Communication Cables Before ...

Page 20: ...puts Dry Contact Unit for Setback PQDSBC ON OFF Mode Controller Lock Power Save Run Status Error Status 2 2 Dry 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 wi...

Page 21: ...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 22: ... 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 6...

Page 23: ... Cooling Capacity Table on page 24 Heating Capacity Table on page 25 PERFORMANCE DATA ...

Page 24: ...ir temp F DB Indoor Air Temp F DB F WB 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 7 49 0 36 7 90 7 38 0 37 8 45 7 27 0 38 9 00 7 16 0 40 9 25 7 06 0 41 10 10 6 91 0 42 10 65 6 81 0 44 23 7 89 7 76 0 36 8 48 7 64 0 37 9 07 7 53 0 38 9 66 7 42 0 39 9 93 7 31 0 41 10 84 7 16 0 42 11 43 7 05 0 43 59 9 46 8 33 0 41 10 17 8 21 0 43 10...

Page 25: ...ture F TC Total Capacity kBtu h PI Power Input kW includes compressor indoor fan motor and outdoor fan motor 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 Outd...

Page 26: ...26 Product Data Art Cool Premier Wall Mount Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification ...

Page 27: ... Equipment Selection Procedure on page 28 Building Ventilation Design Guide on page 29 Placement Considerations on page 31 Application Guidelines ...

Page 28: ...ltiply 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 Piping Comp...

Page 29: ...HRAE 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 ventilation duct system not associated with the Single Zone Art Cool Premier syst...

Page 30: ...aust 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 ai...

Page 31: ...e unusual phenomena 2 Position the outdoor unit so that its airflow 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 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 ...

Page 32: ...m accumulating on the coil surfaces Use inlet and discharge duct or hoods to prevent snow or rain from accumulating on the fan inlet and outlet guards Best practice prevents snow from accumulating on top of the unit Consider tie down requirements in case of high winds or where required by local codes Ambient Air Conditions Avoid exposing the outdoor unit to steam combustible gases or other corrosi...

Page 33: ...ll or other large obstacle observe the clearance requirements as shown in Figure 10 This clearance ensures that heat radia tion 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 anim...

Page 34: ...Due to our policy of continuous product innovation some specifications may change without notification 34 Application Guidelines Art Cool Premier Wall Mount Engineering Manual ...

Page 35: ...ield Supplied Copper Tubing on page 37 Refrigerant Piping System Layout on page 38 Piping Connection on page 41 Electrical Connections on page 43 Mechanical Specifications on page 44 Acronyms on page 45 Refrigerant Piping Design Layout Best Practices ...

Page 36: ...ent piping length 65 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 8 below lists pipe length limits that must b...

Page 37: ... 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 9 Linear Thermal Expansion of Copper Tubing in Inches Selecting Field Supplied Copper Tubing Anticipated Linear Expansion LE ...

Page 38: ...rigerant 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 39: ...e insulation jacket see Figure 16 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 40: ...tion 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 20 Typical Arrangement of Refrigerant Pipe and Cable s in a Utility Conduit Table 12 Utility Conduit Sizes Inches 1 OD pipe diameter in inches Values in parenthesis indicate OD of pi...

Page 41: ...are nut by hand 3 Tighten the flare nut with a torque wrench until the wrench clicks Follow the guidelines as outline in Table 14 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 21 Heat Pump Outdoor Unit Removal of Connection Cover Figure 22 Heat Pump Outdoor Unit Piping Connection Installat...

Page 42: ...on 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 43: ...cal 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 Comply with local codes while running wire from the indoor unit to the outdoor unit Be sure to connect wire firmly Separately wire the high and low voltage lines Use heat proof...

Page 44: ...r 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 Compressors The outdoor...

Page 45: ...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 46: ... Roswell Road Alpharetta Georgia 30009 www lg vrf com DFS EM AG 001 US_014A07 Supercedes DFS EM AG 001 US_013M12 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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