LG Mega LS120HXV Engineering Manual Download Page 13

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PRODUCT DATA | 13

Product Data

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FUNCTIONS, CONTROLS, OPTIONS

Table 6: Indoor Units—Functions, Controls and Options.

Indoor Unit Type

LS090-120-180-240HEV2

LS090-120HXV

$LUÀRZ

Air Supply Outlet

Airflow Direction Control (Left / Right)

Manual

Auto

Airflow Direction Control (Up / Down)

Auto

Auto Swing (Left / Right)

Auto Swing (Up / Down)

Fan Speed Airflow Steps (Fan / Cool / Heat)

6 / 6 / 6

Natural Wind (Auto Wind)

Jet Cool / Jet Heat (Power Wind)

¥¥

Comfort Air

Air Purifying

Prefilter (Washable Anti-Bacterial / Anti-Fungal

)

Deodorizing Filter

Functions

Drain Pump

Hot Start

Self Diagnostics

Defrost

Dry (Dehumidification)

Auto Changeover

Auto Cleaning (Coil Dry)

Auto Restart

Child Lock

Forced Operation

Sleep Mode

¥KRXU

Timer 24 hour (On / Off) / 7 hour (Off)

¥;

Timer (Weekly)

Two Thermistor Control

Low Ambient

Overheat Protection

Smart Diagnosis

Indoor Unit Display Type

Number Display

3 LED

Indoor Unit Display Light

On / Off

Energy Saving

Electric heater

Controllers

Wireless Remote Controller

AKB74955602

AKB73456121

Simple Controller

Programmable Controller

Premium Programmable Controller

Dry contact

Central control (LGAP)

PI 485

Special Function Kit

Zone control

CTIE

Electro thermostat

Wi-Fi Module (Option)

Water level sensor connection (for optional AG-9300-LG)

Wind baffle kit

Other

Mode Lock

Cooling Only or Heating Only

Temperature Control

Thermistor

Smart Inverter Monitoring System (SIMS)

Primary washable filters.

¥ 6WDQGDUGIHDWXUH

o = Optional accessory (must be purchased separately)

X = Not available

Summary of Contents for Mega LS120HXV

Page 1: ...SINGLE ZONE MEGA AND MEGA 115V WALL MOUNTED ENGINEERING MANUAL 3 4 1 1 1 2 and 2 Tons Mega Models LS090HEV2 LS120HEV2 LS180HEV2 LS240HEV2 3 4 and 1 Tons Mega 115V Models LS090HXV LS120HXV ...

Page 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 ...

Page 3: ...fications 8 General Data 9 Electrical Data 12 Functions Controls Options 13 OutdoorUnitDimensions 14 17 Indoor Unit Dimensions 18 20 Acoustic Data 21 26 Refrigerant Flow Diagrams 27 28 WiringDiagrams IndoorUnits 29 30 WiringDiagrams OutdoorUnits 31 33 Electrical Connections 27 30 Air Flow External Pressure Temp Distribution 34 37 Accessories 47 48 Mega and Mega 115V Performance Data 49 58 Cooling ...

Page 4: ... Outdoor Units LS N 090 HEV 2 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 9 000 120 12 000 180 18 000 240 24 000 300 307 30 000 360 36 000 Indoor Outdoor Product HEV Mega HXV Mega 115V HYV Ar...

Page 5: ...evit drawings AutoCAD and Revit are both registered marks of Autodesk Inc Features All LG product design criteria have been loaded into the program making LATS simple to use double click or drag and drop the com ponent choices Build systems in Tree Mode where the refrigerant system can be viewed Switch to a Schematic diagram to see the electrical and communications wiring LATS software permits the...

Page 6: ... lines and elbows This Mark Up drawing must be returned to the design engineer or Rep who must input contractor changes into the LATS file Copy the original LATS soft ware file save and rename as a separate file and modify all piping lengths by double clicking on each length and editing information Like the shop drawing the Auto Piping and System Check must also be run on this new As Built drawing...

Page 7: ...13 Outdoor Unit Dimensions on page 14 Indoor Unit Dimensions on page 18 Acoustic Data on page 21 Refrigerant Flow Diagrams on page 27 Wiring Diagrams Indoor Units on page 29 Wiring Diagrams Outdoor Units on page 31 Electrical Connections on page 34 Air Flow Static Pressure and Temperature Distribution on page 38 Accessories on page 47 ...

Page 8: ...alves oil separator accu mulator four way reversing 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 c...

Page 9: ...L DATA Mega Pairing Table Outdoor Unit Model Indoor Unit Model Controller Mega Inverter LSU090HEV2 LSU120HEV2 LSN090HEV2 LSN120HEV2 AKB74955602 LSU180HEV2 LSU240HEV2 LSN180HEV2 LSN240HEV2 AKB74955602 Mega 115V LSU090HXV LSU120HXV LSN090HXV LSN120HXV AKB73456121 Table 1 Single Zone Mega and Mega 115V Pairing Table The following table shows the available outdoor and indoor unit along with the factor...

Page 10: ...Motor Drive Brushless Digital Controlled Direct Airflow Rate Indoor Unit Max H M L CFM 459 353 264 148 459 353 264 148 689 512 459 371 689 512 459 371 Outdoor Unit Max CFM 953 953 1 730 1 730 Piping Liquid Line in OD 1 4 1 4 1 4 1 4 Vapor Line in OD 3 8 3 8 1 2 1 2 Condensation Line OD ID 27 32 5 8 27 32 5 8 27 32 5 8 27 32 5 8 Additional Refrigerant Charge oz ft 0 22 0 22 0 26 0 26 Pipe Length5 M...

Page 11: ...ng 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 49 2 6 6 49 2 Piping Length5 no add l refrigerant ft 24 6 24 6 Max Elevation Difference ft 23 23 EEV Electronic Expansion Valve IDU Indoor Unit ODU Outdoor Unit This unit comes with a dry helium charge This data is rated...

Page 12: ...e 5 115V 60Hz 1 Phase Single Zone Single Zone Mega 115V System Electrical Data Table Nominal Tons Unit Model No Hertz Voltage Voltage Range Min to Max MCA MOP Compressor Quantity Compressor Motor RLA Outdoor Fan Motor Indoor Fan Motor Cooling Heating W FLA W FLA 3 4 LS090HXV 60 115 104 127 13 5 20 1 10 0 10 0 43 0 4 30 0 5 1 LS120HXV 13 5 20 1 10 0 10 0 43 0 4 30 0 5 Electrical Data Voltage tolera...

Page 13: ...t Dry Dehumidification Auto Changeover Auto Cleaning Coil Dry Auto Restart Child Lock X X Forced Operation Sleep Mode KRXU Timer 24 hour On Off 7 hour Off Timer Weekly X X Two Thermistor Control X X Low Ambient Overheat Protection Smart Diagnosis X Indoor Unit Display Type Number Display 3 LED Indoor Unit Display Light On Off On Off Energy Saving Electric heater X X Controllers Wireless Remote Con...

Page 14: ... RUS OUTDOOR UNIT DIMENSIONS LSU090HEV2 LSU120HEV2 Unit Inch mm 9 27 32 250 10 5 8 270 Drain Hole 2 Ø13 16 20 3 1 2 89 18 7 32 463 5 8 16 2 9 16 65 28 7 32 717 10 1 2 267 3 16 5 19 1 2 495 9 16 14 9 1 4 235 2 7 32 56 Ø16 1 4 413 9 1 16 230 2 13 16 71 14 5 8 371 5 3 32 129 2 15 16 74 5 127 1 1 4 31 21 21 Liquid Pipe Connection Flare Vapor Pipe Connection Flare Service Valve Cover Power and Communic...

Page 15: ...HEV2 OUTDOOR UNIT DIMENSIONS Unit Inch mm 5 5 8 143 23 1 16 586 14 13 32 366 15 3 16 386 1 1 32 26 12 5 16 313 12 11 16 322 34 1 4 870 20 9 32 515 3 1 16 78 1 1 4 32 13 330 6 17 32 166 4 19 32 117 6 25 32 172 7 9 16 192 3 4 19 2 1 16 52 25 19 32 650 7 8 22 25 25 25 25 Liquid Pipe Connection Flare Vapor Pipe Connection Flare Service Valve Cover Power and Communication Cable Access Hole Control Box ...

Page 16: ...VITY DIMENSIONS Figure 3 LSU090 120 180 240HEV2 Outdoor Unit Corner Weight and Center of Gravity Dimensions e a b c A d B C D Model No Weight lb Center of Gravity Inch Leg Inch Corner Weight lb Shipping Net a b c d e A B C D LSU090HEV2 LSU120HEV2 60 0 55 3 18 11 16 8 5 8 4 7 16 18 7 32 10 3 32 3 5 5 7 23 1 23 0 LSU180HEV2 LSU240HEV2 108 0 98 1 22 1 4 10 1 4 5 29 32 23 1 16 14 13 32 11 4 16 0 37 3 ...

Page 17: ...8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS OUTDOOR UNIT DIMENSIONS LSU090HXV LSU120HXV 5 4 2 3 28 1 4 Ø17 3 8 10 9 16 9 5 16 19 1 2 2 3 16 2 1 4 7 16 1 Unit Inch 18 1 4 28 1 4 2 1 4 10 1 16 9 1 16 10 11 16 Discharge Air Grille Gas Pipe Connection Port Liquid Pipe Connection Port Control Box Ground Terminal ...

Page 18: ... Connection 2 7 32 56 11 32 9 Installation Plate Knock Out Refrigerant Drain Pipe and Cable Routing Hole 5 16 8 2 51 Air Intake Air Outlet Bottom 28 5 32 715 Air Outlet Hole If airflow direction control is available Cooling Heating Up Down Left Right A i r O u t l e t H o l e Air Intake Hole 5 29 32 150 Air Intake Hole Rear Rear Right Left 55 15 15 85 45 55 32 15 16 837 2 15 32 63 12 1 16 306 3 21...

Page 19: ...ng Gas Liquid Pipe 2 3 8 60 2 3 8 60 Rear Left Right Decoration Cover Drain Hose Connection Installation Plate If airflow direction control is available Cooling Heating Up Down Left Right 50 15 20 85 45 50 39 9 32 998 2 23 32 69 14 11 16 373 5 13 32 137 2 3 32 53 13 19 32 345 Ø2 9 16 65 3 9 32 83 Unit Outline Fixing the Installation Plate Drilling Hole 1 1 16 27 5 29 32 150 4 17 32 115 Ø2 9 16 65 ...

Page 20: ...8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS INDOOR UNIT DIMENSIONS LSN090HXV LSN120HXV 34 7 8 8 5 16 11 1 4 3 2 4 1 Ø2 13 16 5 1 4 3 3 4 Right rear piping Left rear piping Installation Plate Place a level on raised tab Unit Outline 8 9 16 6 15 16 17 7 16 17 7 16 5 Ø2 13 16 4 2 5 16 6 5 16 15 16 Unit Inch Return Air Grille for piping and cable ...

Page 21: ...perating conditions are assumed to be standard 5HIHUHQFH DFRXVWLF SUHVVXUH G ȝ3D Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 and may be different according to the test condition or equipment 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 2 6 0 8...

Page 22: ...00 1000 2000 4000 8000 Ŷ High Octave Band Center Frequency Hz Ɣ Low Ÿ Middle Approximate Hearing Threshold Octave DQG 3UHVVXUH HYHO G ȝ3D NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Cooling Heating Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Ŷ High Ɣ Low ŸMiddle NC 15 NC 20 NC 25 NC 30 NC 35...

Page 23: ...125 250 500 1000 2000 4000 8000 Ŷ High Ɣ Low ŸMiddle 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 Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Ŷ High Ɣ Low Ÿ Middle 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 ACO...

Page 24: ... A with a tolerance of 1 Data is valid at nominal operation conditions Operating conditions are assumed to be standard 5HIHUHQFH DFRXVWLF SUHVVXUH G ȝ3D Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 and may be different according to the test condition or equipment Sound level will vary depending on a range of factors including the construction acoustic absorption ...

Page 25: ...g Threshold Octave DQG 3UHVVXUH HYHO G ȝ3D 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave DQG 3UHVVXUH HYHO G ȝ3D Ɣ ŸFront Back Octave Band Center Frequency Hz Approximate Hearing Threshold NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 ...

Page 26: ...0 NC 55 NC 60 NC 65 Approximate Hearing Threshold 2FWDYH DQG 6RXQG 3UHVVXUH HYHO G ȝ3D 2FWDYH DQG HQWHU UHTXHQF LSU120HXV Figure 14 Sound Pressure Levels for Mega LSU240HEV2 Outdoor Units Figure 15 Sound Pressure Levels for Mega 115V Outdoor Units LSU240HEV2 Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Ÿ Ɣ Front B...

Page 27: ...it Cooling Heating EEV TH1 TH2 TH4 TH5 TH6 Liquid Side Vapor Side 3 Way Valve TH3 Propeller Fan Cross Flow Fan Flare Joint Flare Joint Electronic Expansion Valve Strainer Table 10 Mega LSN LSU090 240HEV2 Thermistor Details Thermistor Description PCB Connector TH1 Indoor air temperature thermistor CN TH1 Indoor TH2 Evaporator temperature thermistor CN TH3 Indoor TH3 Water Level Sensor Option CN TH2...

Page 28: ...e temperature thermistor CN TH2 Outdoor TH4 Condensing middle temperature thermistor CN TH1 Outdoor TH5 Outdoor air temperature thermistor t i n U r o o d t u O t i n U r o o d n I Heat Exchanger Evaporator Heat Exchanger Condenser Compressor Accumulator Vapor Side 3 Way Valve 2 Way Valve Liquid Side Cooling Heating Reversing Valve EEV FIELD PIPING Ø1 4 Copper Tubing FIELD PIPING Ø3 8 Copper Tubin...

Page 29: ...VRPH VSHFL FDWLRQV PD FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS INDOOR UNIT WIRING DIAGRAM Mega LSN090 120 180 240HEV2 Wiring Diagram for LSN090 120 180 240HEV2 Option Field Wiring Factory Wiring MEZ64135636 ...

Page 30: ...RXU SROLF RI FRQWLQXRXV SURGXFW LQQRYDWLRQ VRPH VSHFL FDWLRQV PD FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS Wiring Diagram for LSN090 120HXV INDOOR UNIT WIRING DIAGRAM Mega 115V LSN090HXV and LSN120HXV ...

Page 31: ...RYDWLRQ VRPH VSHFL FDWLRQV PD FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS OUTDOOR UNIT WIRING DIAGRAM Mega LSU090 120HEV2 Wiring Diagram for LSU090 120HEV2 Option Field Wiring Factory Wiring MEZ64835136 ...

Page 32: ...LQXRXV SURGXFW LQQRYDWLRQ VRPH VSHFL FDWLRQV PD FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS OUTDOOR UNIT WIRING DIAGRAM Mega LSU180 240HEV2 Wiring Diagram for LSU180 240HEV2 Option Field Wiring Factory Wiring MEZ66177431 ...

Page 33: ...XV SURGXFW LQQRYDWLRQ VRPH VSHFL FDWLRQV PD FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS OUTDOOR UNIT WIRING DIAGRAM Mega 115V LSU090 120HXV 250V 250V 250V Wiring Diagram for LSU090 120HXV ...

Page 34: ...n connection power cable to the indoor unit in the same conduit Use separate conduits Power Wiring Communications Cable Specifications Power wiring to the outdoor unit must be solid or stranded and must comply with the applicable local and national electric codes Communication connection power cable from the outdoor unit to the indoor unit must be a minimum of 18 AWG four 4 conductor stranded shie...

Page 35: ...Power Communica tions System Schematic Figure 17 LS180HEV2 and LS240HEV2 General Power Communica tions System Schematic Figure 18 LS090HXV and LS120HXV General Power Communica tions System Schematic LS090 120HEV2 208 230VAC Figure 19 Terminal Block Wiring Diagram LS090 120HEV2 Power Supply Circuit Breaker Ground Wiring Outdoor Unit Indoor Unit Power Supply Circuit Breaker Ground Wiring Outdoor Uni...

Page 36: ...n LG representative for more infor mation can connect to the Single Zone Mega 115V Wall Mount indoor unit in one of two different ways 1 LG Wired Remote Extension Cable with Molex plug PZCWRC1 sold separately that connects to the CN REMO terminal on the indoor unit PCB 2 Field supplied controller cable that connects to the indoor unit terminal block must be at least UL2547 or UL1007 and at least F...

Page 37: ...iant heat from the sun or appliances Concealed pipes and chimneys An area where temperatures are uncontrolled such as an outside wall Assigning the Thermistor for Temperature Detection Each indoor unit includes a return air thermistor assigned to sense the temperature If a wired controller is installed there is a choice of sensing temperature with either the indoor unit return air thermistor or th...

Page 38: ... 0 10 2 2 4 6 8 m m 0 6 6 ft 32 8 13 1 19 7 26 2 1 0 0 10 2 2 4 6 8 m 3 3 0 m ft 6 6 ft 3 3 0 6 6 0 ft 32 8 6 6 13 1 19 7 26 2 28 82 26 79 24 75 22 72 0 3 1 0 5 1 6 1 3 3 1 3 3 1 3 3 2 6 6 0 3 1 0 3 1 0 5 1 6 0 5 1 6 2 6 6 2 6 6 Air Velocity m s ft s 0 m 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 ft 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 2...

Page 39: ... 6 6 13 1 19 7 26 2 28 82 0 3 1 0 5 1 6 1 3 3 1 3 3 1 3 3 2 6 6 0 3 1 0 3 1 0 5 1 6 0 5 1 6 2 6 6 2 6 6 0 Air Velocity m s ft s m 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 32 8 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 Side View Discharg...

Page 40: ... 1 19 7 26 2 28 82 26 79 24 75 22 72 0 3 1 0 5 1 6 1 3 3 1 3 3 1 3 3 2 6 6 0 3 1 0 3 1 0 5 1 6 0 5 1 6 2 6 6 2 6 6 Air Velocity m s ft s 0 2 m 10 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 ft 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 Side Vi...

Page 41: ... V 1 0 0 10 2 2 4 6 8 m m 0 IW 8 6 6 1 2 1 0 0 10 2 2 4 6 8 m 0 m IW IW 0 0 IW 8 6 6 1 26 2 Air VHORFLW P V IW V 0 m 10 2 4 6 8 m 1 0 1 2 4 2 4 Air VHORFLW P V IW V 0 10 2 4 6 8 m 1 0 1 2 4 2 4 0 6 6 IW 8 1 2 0 8 6 6 1 26 2 m IW IW 0 8 1 8 1 8 1 8 1 IW 0 Side View Discharge QJOH Û URP WKH IORRU VHUWLFDO RXYHU HQWHU DQ 6SHHG 3RZHU Top View Discharge QJOH Û URP WKH IORRU VHUWLFDO RXYHU HQWHU DQ 6SHH...

Page 42: ... 7 26 2 22 72 24 75 26 79 28 82 20 68 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 5 1 6 0 5 1 6 0 3 1 0 3 1 Air Velocity m s ft s 0 m 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 ft 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 Side V...

Page 43: ...6 1 3 3 2 6 6 1 5 4 9 32 90 0 3 1 0 5 1 6 1 3 3 2 6 6 0 5 1 6 0 5 1 6 1 3 3 1 3 3 0 3 1 0 3 1 2 6 6 2 6 6 Air Velocity m s ft s 0 2 m 10 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 ft 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 Side View Discha...

Page 44: ...5 4 9 0 5 1 6 28 82 26 79 24 75 22 72 18 64 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 5 1 6 0 5 1 6 0 3 1 0 3 1 0 Air Velocity m s ft s 2 m 10 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 32 8 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 ...

Page 45: ...6 ft 32 8 13 1 19 7 26 2 32 90 0 Air Velocity m s ft s 2 m 10 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 10 2 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 ft 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 0 3 1 0 3 1 0 5 1 6 0 5 1 6 1 3 3 1 3 3 2 6 6 2 6 6 0 3 1 0 5 1 6 1 3 3 2 6 6 Side View Dis...

Page 46: ...y ft s Temperature F 3 3 98 6 91 4 87 8 84 2 80 6 11 5 13 1 9 8 8 2 4 9 6 6 6 6ft 3 3ft 0ft 26 2ft 13 1ft 9 8ft 6 6ft 3 3ft 0ft 16 4ft 19 7ft 23 0ft 6 6ft 3 3ft 0ft 26 2ft 13 1ft 9 8ft 6 6ft 3 3ft 0ft 16 4ft 19 7ft 23 0ft Air velocity ft s Temperature F 64 4 66 2 69 8 73 4 8 2 13 1 11 5 9 8 8 2 6 6 4 9 3 3 6 6ft 3 3ft 0ft 26 2ft 13 1ft 9 8ft 6 6ft 3 3ft 0ft 16 4ft 19 7ft 23 0ft 6 6ft 3 3ft 0ft 26 ...

Page 47: ... main printed circuit board PCB using an accessory cable without the need for a separate interface device The main screen for LGMV allows 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 Graph Full screen graph of actual high and low pressures and high and low pressure limits...

Page 48: ...r codes and a troubleshooting guide SIMs consists of a hardware Wireless Local Area Network WLAN module an interface cable and a free downloadable application app for iOS or Android The user must supply either an Apple or an Android smart phone SIMs is not optimized for tablets and only be used with LG single zone and Multi F systems Only trained HVAC service technicians familiar with variable ref...

Page 49: ...PERFORMANCE DATA Cooling Capacity Data on page 50 Heating Capacity Data on page 53 Maximum Heating Capacity Data on page 55 Equipment Selection Procedure on page 57 ...

Page 50: ...78 14 71 7 12 0 84 12 27 7 76 0 69 10 65 8 19 0 58 23 7 89 6 07 0 48 9 49 6 46 0 58 11 09 6 86 0 68 13 09 7 35 0 81 14 29 7 64 0 88 12 58 8 34 0 70 11 43 8 80 0 58 25 8 01 6 17 0 49 9 58 6 55 0 59 11 14 6 93 0 69 13 10 7 40 0 81 14 28 7 69 0 89 12 71 8 42 0 71 11 67 8 91 0 60 30 8 32 6 40 0 53 9 80 6 76 0 62 11 28 7 11 0 71 13 13 7 55 0 82 14 24 7 81 0 89 13 06 8 65 0 74 12 27 9 21 0 64 35 8 63 6 ...

Page 51: ...98 0 85 16 84 10 62 1 01 20 22 11 27 1 16 24 43 12 08 1 36 26 96 12 56 1 48 22 50 13 70 1 20 19 52 14 46 1 02 23 14 46 10 71 0 84 17 40 11 41 1 02 20 33 12 10 1 19 24 00 12 97 1 41 26 20 13 48 1 55 23 06 14 71 1 23 20 96 15 53 1 02 25 14 69 10 88 0 87 17 56 11 55 1 04 20 43 12 23 1 21 24 02 13 07 1 42 26 18 13 57 1 55 23 31 14 87 1 25 21 40 15 73 1 05 30 15 25 11 30 0 93 17 97 11 92 1 09 20 68 12 ...

Page 52: ... 59 4 92 0 31 5 98 5 26 0 32 6 37 5 61 0 33 6 55 5 77 0 34 7 15 6 29 0 35 7 54 6 64 0 36 23 5 59 4 92 0 30 6 00 5 28 0 31 6 42 5 65 0 32 6 84 6 02 0 33 7 03 6 19 0 34 7 68 6 76 0 35 8 10 7 13 0 36 25 5 67 4 99 0 31 6 08 5 35 0 31 6 50 5 72 0 32 6 92 6 09 0 33 7 11 6 26 0 34 7 76 6 83 0 36 8 18 7 19 0 37 30 5 89 5 18 0 33 6 31 5 56 0 34 6 74 5 93 0 35 7 15 6 29 0 36 7 35 6 47 0 37 8 00 7 04 0 38 8 ...

Page 53: ... 65 0 81 7 41 0 80 7 34 0 80 7 27 0 79 7 21 0 79 7 07 0 78 6 90 0 78 19 17 7 75 0 82 7 51 0 81 7 44 0 81 7 36 0 81 7 31 0 81 7 16 0 80 6 99 0 80 24 23 8 50 0 85 8 24 0 84 8 16 0 84 8 08 0 84 8 02 0 84 7 85 0 83 7 67 0 83 32 30 10 19 0 92 9 88 0 91 9 78 0 91 9 68 0 90 9 61 0 90 9 41 0 89 9 19 0 89 41 38 11 69 0 98 11 33 0 97 11 22 0 97 11 11 0 96 11 02 0 96 10 80 0 95 10 55 0 95 43 40 12 06 1 00 11...

Page 54: ... 12 75 1 10 64 57 14 43 1 15 13 99 1 14 13 85 1 14 13 72 1 13 13 61 1 13 13 34 1 12 13 02 1 12 70 61 14 71 1 17 14 26 1 16 14 11 1 16 13 98 1 15 13 87 1 15 13 59 1 14 13 27 1 14 75 65 14 91 1 19 14 46 1 18 14 31 1 18 14 17 1 16 14 06 1 16 13 78 1 15 13 45 1 15 LS240HEV2 LS090HXV LS120HXV Outdoor Air Temp Indoor Air Temperature F DB F DB F WB 60 64 68 70 72 75 86 TC PI TC PI TC PI TC PI TC PI TC PI...

Page 55: ...20HEV2 LSU120HEV2 Heating Capacities Outdoor Air Temp Indoor Air Temperature F DB 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 16 14 9 21 1 31 9 08 1 33 8 95 1 35 8 89 1 36 8 63 1 34 8 27 1 31 6 85 1 21 17 15 9 56 1 33 9 43 1 35 9 29 1 36 9 23 1 37 8 96 1 34 8 59 1 30 7 09 1 15 19 17 10 10 1 33 9 96 1 35 9 82 1 36 9 64 1 37 9 45 1 34 9 02 1 29 7 35 1 14 24 23 11 08 1 34...

Page 56: ...2 26 24 03 2 31 23 90 2 33 22 64 2 22 20 92 2 06 15 08 1 49 47 43 26 10 2 13 25 80 2 21 25 50 2 29 25 26 2 32 24 01 2 19 22 17 2 02 15 95 1 38 53 50 25 72 2 08 25 39 2 15 25 06 2 22 25 14 2 25 23 44 2 11 21 42 1 91 14 70 1 17 59 53 25 42 2 03 25 39 2 12 25 37 2 21 25 14 2 24 23 75 2 10 21 56 1 90 14 50 1 18 64 57 25 86 1 98 25 47 2 02 25 07 2 05 24 89 2 07 23 36 1 94 21 26 1 77 14 35 1 15 70 61 25...

Page 57: ... DSDFLW RHI FLHQW DFWRUV Operation Mode Piping Length ft 16 4 24 6 32 8 49 2 65 6 82 0 98 4 114 8 131 2 147 6 164 0 Rate of Capacity Change LS 090HEV2 LS 120HEV2 Cooling 100 100 97 7 93 0 Heating 100 100 98 3 95 0 LS 180HEV2 LS 240HEV2 Cooling 100 100 99 0 97 0 95 0 Heating 100 100 99 2 97 6 96 0 Equivalent Piping Length for Piping Components Component Size Inches Elbow ft 1 4 3 8 1 2 5 8 3 4 7 8 ...

Page 58: ...DURE RUUHFWLRQ DFWRUV Check the Indoor and Outdoor Unit Selection s Compare the corrected cooling and heating capacities to the load calculations Is each capacity sufficient for the zone it serves For each indoor unit the corrected capacity must be at least equal to the total of the cooling design load plus ventilation load if applicable for the space served by the indoor unit For each indoor unit...

Page 59: ...Placement Considerations on page 60 Installing Outdoor Units Indoors on page 65 Design Guideline Summary on page 68 APPLICATION GUIDELINES ...

Page 60: ... doorway Avoid installing the unit near high frequency generators Figure 28 Mega Indoor Unit Clearance Requirements Ceiling Clearance inches Indoor Unit Model s 8 LSN090HEV2 LSN120HEV2 LSN180HEV2 LSN240HEV2 LSN090HXV LSN120HXV Table 35 Mega Indoor Unit Ceiling Clearance 4 100 Unit Inch mm 4 100 8 200 At least 6 1 2 feet from the floor 7KH XQLW PXVW QRW EH LQVWDOOHG ZKHUH VXOIXULF DFLG DQG ÀDPPDEOH...

Page 61: ...e etc ensure that the site is well ventilated and has a lot of natural light Example Install on a rooftop Dont s Where it will be subjected to direct thermal radiation from other heat sources or an area that would expose the outdoor unit to heat or steam like discharge from boiler stacks chimneys steam relief ports other air conditioning units kitchen vents plumbing vents and other sources of extr...

Page 62: ... Height feet 66 98 148 197 3URWHFWLRQ QJOH Û 55 45 35 25 If the building does not include lightning protection the outdoor unit will be damaged from a lightening strike Inform the customer of this possibility in advance Figure 30 Typical Arrangement of Refrigerant Pipe and Cable s in a Utility Conduit Ground Safe zone Lightning rod 3URWHFWLRQ QJOH Ûa Û 5 feet Lightning rod Underground Refrigerant ...

Page 63: ...eight There must be 2 to 3 1 2 inches of clearance between the outdoor unit and the windbreaker for purposes of air flow Additional anti corrosion treatment will need to be applied to the outdoor unit at oceanside locations Ocean winds will cause corrosion particularly on the condenser and HYDSRUDWRU QV ZKLFK LQ WXUQ FRXOG FDXVH SURGXFW PDOIXQFWLRQ RU LQHI FLHQW SHUIRUPDQFH Figure 32 Oceanside Pla...

Page 64: ...Minimum 4 8 79 Case 5 Standard 24 12 Minimum 10 4 Table 39 Single Zone Mega and Mega 115V Outdoor Unit Service Access and Allowable Clearances Diagram Legend Do not place the unit where animals and or plants will be in the path of the warm air or where the warm air and or noise will disturb neighbors If the outdoor unit is installed between standard and minimum clearances capacity decreases approx...

Page 65: ...erature will allow the Single Zone Mega and Mega 115V Wall Mount system designer to eliminate oversizing The outdoor unit to compensate for loss of capacity at low ambient temperatures Will also curtail the need to provide inefficient redundant zone heating devices such as wall fin radiators and second stage ancillary heating devices Design Considerations Include Enclosure types and elements such ...

Page 66: ...ition to rainwater that infiltrates the inlet louver enclosed area Install a field provided drain pan under the outdoor units and provide a path to a nearby floor drain If the ambient air temperature is expected to drop below 32 F in the enclosure heat the bottom surface of the pan drain line and floor drain so that the condensate does not freeze before reaching the drain Louver Recommendations fo...

Page 67: ...le Limits Confirming Air Flow Rate Total Opening Rate Example LSU180HSV5 Discharge Airflow Rate 2 119 ft 3 min Velocity of Outlet Air 16 4 ft s Velocity of Inlet Air 8 2 ft s Open Rate 80 or More Inlet airflow must match or exceed discharge airflow Separate inlet airflow from discharge airflow to prevent recirculation Figure 37 Open Rate by Louver Radian Formula Open Rate Effective Face Area Af To...

Page 68: ...h with No Additional Refrigerant 24 6 24 6 24 6 Longest total equivalent piping length 49 2 65 6 49 2 Shortest total equivalent piping length 9 8 9 8 6 6 Distance between fittings and indoor units or outdoor units LQFKHV LQFKHV LQFKHV Elevation All Elevation Limitations are Measured in Actual Feet If outdoor unit is above indoor unit 23 feet 32 8 feet 23 feet If outdoor unit is below indoor unit 2...

Page 69: ...tioning Division 4300 North Point Parkway Alpharetta Georgia 30022 www lghvac com EM SZ_Mega_Mega115V_HEV2_HXV__05_19 Supersedes EM SZ_Mega_Mega115V 3 16 EM SZ_Mega_Mega115V 4 15 EM SZ_Mega_Mega115V 10 14 20001747 ISO 9001 2008 LG ELECTRONICS INC ...

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Summary of Contents for Mega LS120HXV

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LG Mega LS120HXV, Engineering Manual, Page: 13 / 69

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Summary of Contents for Mega LS120HXV

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