LG AKB7363560 Engineering Manual Download Page 20

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20 | ProduCT dATA

Art Cool Mirror W

all Mounted Engineering Manual

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

rEFrigErant FloW diagraMS

LAn090HSV2, LAu090HSV2
LAn120HSV2, LAu120HSV2

Indoor Unit

Outdoor Unit

Heat

Exchanger

(Evaporator)

Heat

Exchanger

(Condenser)

Compressor

Accumulator

Gas Side

3-Way Valve

2-Way Valve

Liquid Side

Cooling
Heating

Reversing Valve

EEV

Th1

Th5

Th2

Th6

Th3

Th4

LOC.

Description

PCB Connector

Th1

CN-TH1(Indoor)

Th2

CN-TH2 (Indoor)

Th3

CN-TH3 (Indoor)

Th4

CN-TH2 (Outdoor)

Th5

CN-TH1(Outdoor)

Th6

Indoor air temperature thermistor

Evaporator middle temperature thermistor
Discharge pipe temperature thermistor
Heat exchanger temperature thermistor
Outdoor air temperature thermistor

Water level sensor (Option)

Summary of Contents for AKB7363560

Page 1: ...Engineering Manual Art Cool Mirror Inverter Wall Mounted 3 4 Ton 1 Ton 11 2 Ton and 2 Ton Art Cool Mirror Inverter 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: ...090HSV2 LAU090HSV2 LAN120HSV2 LAU120HSV2 39 LAN180HSV2 LAU180HSV2 LAN240HSV2 LAU240HSV2 40 Building Ventilation Design Guide 41 Placement Considerations 43 45 Refrigerant Piping Design Layout Best Practices 46 Refrigerant Piping Design 47 Design Guideline Summary 47 Selecting Field Supplied Copper Tubing 48 Installation Layout Best Practices 49 Refrigerant Piping System Layout 49 Piping Connection...

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

Page 6: ...ilable in a nominal capacity range of 3 4 1 1 1 2 and 2 tons These are best suited for applications 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 DFS System allows cooling or heating for the entire residence or jus...

Page 7: ...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 on page 16 Indoor Unit Wiring Diagram on page 22 Outdoor Unit Wiring Diagram on page 23 Accessories on page 26 ...

Page 8: ...ch reduces power consumption and monthly utility bills This latest inverter technology allows the LG Single Zone Art Cool Mirror 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 fa...

Page 9: ...ation 2 Second 3 Third 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 M...

Page 10: ...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 LAU120HSV2 12 000 LAN090HSV2 9 000 LAN120HSV2 12 000 AKB73635606 LAU180HSV2 18 000 LAU240HSV2 24 000 LAN180HSV2 18 000 LAN240HSV2 24 000 AKB73635606 ...

Page 11: ...ess Digitally Controlled Direct Airflow Rate Indoor H M L CFM 335 272 212 353 272 212 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 unit and a ...

Page 12: ...n 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 unit and a 0 ft level difference between outdoor and indoor units Cooling capacity rating obtained with air entering the indoor coil at 80ºF d...

Page 13: ...t Airflow Rate Indoor H M L CFM 622 509 399 632 526 399 Outdoor Max CFM 2 119 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 unit and a 0 ft level difference between ...

Page 14: ...y rating obtained with air entering the indoor coil at 80ºF dry bulb DB and 67ºF wet bulb WB and outdoor ambient conditions of 95ºF dry bulb DB and 75ºF wet bulb WB Heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb DB and 60ºF wet bulb WB and outdoor ambient conditions of 47ºF dry bulb DB and 43ºF wet bulb WB 5 Piping lengths are equivalent Table 2 Unit General Da...

Page 15: ... product innovation some specifications may change without notification LAU090HSV2 LAU120HSV2 Outdoor Unit Dimensions 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 2 13 16 8 3 32 4 3 2 5 11 5 16 18 5 16 Unit inch Discharge Air Grille ...

Page 16: ...ous product innovation some specifications may change without notification LAU180HSV2 LAU240HSV2 Outdoor Unit Dimensions 34 1 4 21 1 2 12 19 32 14 3 16 6 5 16 2 3 16 13 3 32 12 19 32 31 1 2 30 13 16 15 13 32 3 3 32 2 20 29 32 Item No Part Name Remark 1 2 3 4 5 6 Unit inch Discharge Air Grille ...

Page 17: ...notification Indoor Unit Dimensions LAN090HSV2 LAN120HSV2 2 3 4 2 9 16 5 3 16 3 11 16 Right rear piping Left rear piping Installation Plate Place a level on raised tab Unit Outline 8 1 2 6 29 32 17 13 32 34 13 16 8 1 16 1 3 4 11 1 4 1 31 32 17 13 32 1 3 4 2 5 32 2 13 32 3 2 1 4 5 Unit inch Front Panel Return Air Grille ...

Page 18: ...otification Indoor Unit Dimensions LAN180HSV2 LAN240HSV2 3 2 1 2 3 4 2 3 4 2 11 16 2 3 16 Right rear piping Left rear piping Installation Plate Measuring Tape Measuring Tape Hanger Place a level on raised tab Unit Outline 8 3 32 4 3 32 18 3 32 22 13 32 40 9 16 9 11 16 1 13 16 12 13 16 2 1 32 4 1 13 16 2 17 32 2 1 32 Unit inch Front Panel Return Air Grille ...

Page 19: ...3BRM9 LAN120HSV2 Octave Band Sound Pressure Level 0dB 20μPa OctaveBand 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 3 0 NC 3 5 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold ASNW243CRM9 LAN240HSV2 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Center Frequency Hz Octave Band Sound Pressure Level 0dB 2...

Page 20: ...r Heat Exchanger Condenser Compressor Accumulator GasSide 3 WayValve 2 WayValve LiquidSide Cooling Heating Reversing Valve EEV Th1 Th5 Th2 Th6 Th3 Th4 LOC Description PCB Connector Th1 CN TH1 Indoor Th2 CN TH2 Indoor Th3 CN TH3 Indoor Th4 CN TH2 Outdoor Th5 CN TH1 Outdoor Th6 Indoor air temperature thermistor Evaporator middle temperature thermistor Discharge pipe temperature thermistor Heat excha...

Page 21: ...versing Valve EEV Th1 Th5 Th2 Th6 Th3 Th4 LOC Description PCB Connector Th1 Indoor air temperature thermistor Evaporator inlet temperature thermistor Evaporator outlet temperature thermistor Water level sensor CN TH1 Indoor Th2 Th3 CN TH2 Indoor Th4 Evaporator middle temperature thermistor CN TH3 Indoor Th5 Discharge pipe temperature thermistor CN TH3 Outdoor Th6 Suction pipe temperature thermisto...

Page 22: ... Art Cool Mirror Wall Mounted Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAN090HSV2 LAN120HSV2 Factory Wiring Field Wiring ...

Page 23: ...Product Data 23 Product Data Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAN180HSV2 LAN240HSV2 Factory Wiring Field Wiring ...

Page 24: ... Art Cool Mirror Wall Mounted Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAU090HSV2 LAU120HSV2 Factory Wiring Field Wiring ...

Page 25: ...Product Data 25 Product Data Due to our policy of continuous product innovation some specifications may change without notification Wiring Diagram LAU180HSV2 LAU240HSV2 Factory Wiring Field Wiring ...

Page 26: ...ion mode occupied 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 Communicat...

Page 27: ...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 PI 485 V net Control Integration Board1 PMNFP14A0 Outdoor Unit Control integration to LG V net controls AC Smart Premium ACP BACnet LonWorks etc Digital Output DO Kit PQNFP00T0 Comm BUS ON OFF 0 1 O...

Page 28: ...n andAC Manager Plus integration advanced functionality in addition to basic unit control and monitoring Advanced Control Platform ACP Premium PQCPC22A1 256 16 64 128 with PDI Premium 10 4 24 VAC Table 8 Summary Data Integration Solutions Connect to Outdoor Unit Terminals Internet A Internet B Central Controller Name Model No Devices per Controller Systems per Comm BUS Devices per Comm BUS No of C...

Page 29: ...door unit room 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...

Page 30: ... 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 31: ... Cooling Capacity Data on page 32 Heating Capacity Data on page 34 PERFORMANCE DATA ...

Page 32: ...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 6 86 6 01 0 38 7 37 6 46 0 39 7 88 6 91 0 40 8 40 7 36 0 42 8 63 7 57 0 43 9 42 8 26 0 45 9 94 8 71 0 46 23 7 36 6 23 0 38 7 91 6 69 0 39 8 46 7 16 0 40 9 01 7 63 0 41 9 27 7 84 0 43 10 12 8 56 0 44 10 67 9 03 0 46 59 8 83 6 69 0 44 9 49 7 19 0 45 10 16...

Page 33: ... 58 0 92 16 49 14 46 0 95 16 96 14 87 0 98 18 51 16 23 1 02 19 52 17 12 1 05 23 14 46 12 23 0 86 15 54 13 15 0 89 16 62 14 06 0 92 17 71 14 98 0 94 18 20 15 40 0 97 19 87 16 81 1 01 20 96 17 73 1 04 59 17 35 13 14 0 99 18 65 14 12 1 02 19 95 15 11 1 06 21 25 16 09 1 09 21 84 16 54 1 12 23 85 18 06 1 17 25 14 19 04 1 20 70 19 80 16 12 1 46 21 12 17 20 1 51 22 44 18 27 1 56 23 32 18 99 1 60 23 98 19...

Page 34: ...t Bulb Temperature 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 ...

Page 35: ...tu 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 Outdoor Air Temperature 47 F 8 ...

Page 36: ...36 Product Data Art Cool Mirror Wall Mounted Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification This page intentionally left blank ...

Page 37: ... Equipment Selection Procedure on page 38 Building Ventilation Design Guide on page 41 Placement Considerations on page 42 Application Guidelines ...

Page 38: ...nit Find corresponding cooling or heating capacity correction factors as shown in Figure 7 throuigh Figure 10 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 Consult Table 7 for equivalents lengths regarding elbow connectors Capacity Coefficient Factors Figure 7 Cooling ...

Page 39: ...2 1 3 1 5 1 6 1 8 2 0 2 1 2 3 2 5 2 8 Equivalent Piping Length for Piping Components Capacity Coefficient Factors Continued Figure 9 Cooling Capacity Coefficient Factor Figure 10 Heating Capacity Coefficient Factor Equipment Selection Procedure LAN180HSV2 LAU180HSV2 LAN240HSV2 LAU240HSV2 Cooling 24k 18k 65 6 98 4 Total Pipe Length ft 100 95 90 24 6 Capacity Heating 24 6 65 6 98 4 100 95 18k 24k To...

Page 40: ...oor air system designed to filter condition and dehumidify ventilation air and deliver it directly to the con ditioned space through a separate register or grille This approach requires a separate independent ventilation duct system not associated with the DFS Single Zone Art Cool Mirror system Figure 11 Advantages Does not add additional heating or cooling loads to indoor units May be used with a...

Page 41: ...er 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 13 Advantages Outdoor air may be manually controlled by the occupant or auto matic controls may be installed to open clos...

Page 42: ...snowfall even in areas of the country where these are 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 high...

Page 43: ...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 corrosive elements Avo...

Page 44: ... space from the side and rear of the ODU Figure 15 Art Cool Mirror Outdoor Unit Clearance Single Zone Art Cool Mirror Wall Mount Outdoor Unit Clearance Outdoor Unit Clearance Figure 16 Art Cool Mirror Outdoor Unit Next to Wall Clearance Outdoor Unit Wall Clearance Sunroof Overhang Or Roof Figure 17 Art Cool Mirror Outdoor Unit Under Roof Overhang When placing the outdoor unit under an overhang awn...

Page 45: ...ield 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 on page 55 Refrigerant Piping Design Layout Best Practices ...

Page 46: ...98 4 feet Distance between fittings and indoor 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 49 2 feet If outdoor unit is below indoor unit 32 8 feet 49 2 feet Additional Refrigerant Needed 0 22 oz ft 0 38 oz ft One of the most critical elements of a Art Cool Mirror Wall Mount system is the refrig...

Page 47: ... 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 11 Linear Thermal Expansion of Copper Tubing in Inches Anticipated Linear Expansion LE inches Nominal Tube Size OD inches 1 4 3 8 1 2 3 4 1 2 ...

Page 48: ...oned between valve and the indoor unit rated for use with R410A refrigerant 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 must be easily accessible for serv...

Page 49: ...utside around the primary pipe insulation jacket see Figure 21 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...

Page 50: ...sleeve to prevent insulation 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 25 Typical Arrangement of Refrigerant Pipe and Cable s in a Utility Conduit Table 14 Utility Conduit Sizes Inches 1 OD pipe diameter in inches Values in paren...

Page 51: ...assembling Take care not to add any contaminants Tighten the flare nut initially by hand 4 Finish tightening the flare nut with a torque wrench until the wrench clicks Figure 28 Follow the guidelines as outlined in Table 16 for the amount of torque to use Tubing cover Figure 26 Outdoor Unit Connection Cover Removal Figure 27 Pipe Attachment When tightening the flare nut with torque wrench ensure t...

Page 52: ...weating Add additional insulation 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 DFS Single Zone Inverter refrigeration system c...

Page 53: ... and outdoor unit Do not allow wire to touch refrigerant tubing the com pressor or any moving parts Figure 30 Outdoor Unit Connection 1 Remove the control cover from the unit by loosening the fastening screw Figure 30 2 Take off the caps on the conduit panel 3 Connect both the power supply and low voltage lines to the corresponding terminals on the ter minal block see Figure 32 and Figure 33 4 Be ...

Page 54: ...ntrolled 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 hermetic digitally controlled inverter driven rotary ...

Page 55: ...n Valve ELF Equivalent Length in Feet 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 Ma...

Page 56: ...ivision 11405 Old Roswell Road Alpharetta Georgia 30009 www lg vrf com DFS EM AA 001 US_014B06 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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