LG LS090HSV5 Engineering Manual Download

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PRODUCT DATA | 23

Product Data

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

REFRIGERANT FLOW DIAGRAMS

Refrigerant Flow Diagrams for LSN / LSU180HSV5

Table 9:

Single Zone High Efficiency Wall Mount LSN/LSU180HSV5 Thermistor Details.

Thermistor

Description

PCB Connector

TH1

Indoor air temperature thermistor

CN-TH1 (Indoor)

TH2

Evaporator inlet temperature thermistor

TH3

Evaporator middle temperature thermistor

CN-TH3 (Indoor)

TH4

Evaporator outlet temperature thermistor

CN-TH2 (Indoor)

TH5

Water level sensor (optional)

TH6

Outdoor air temperature thermistor

CN-TH1 (Outdoor)

TH7

Condensing temperature thermistor

TH8

Discharge pipe temperature thermistor

CN-TH2 (Outdoor)

Field Piping

(Copper Tubing)

Field Piping

(Copper Tubing)

Heat

Exchanger

(Evaporator)

Heat

Exchanger

(Condenser)

Compressor

3-Way Valve

Valve

Reversing

Indoor Unit

Outdoor Unit

: Cooling

: Heating

EEV

Th1

Th4

Th3

Th6

Th7

Th8

Liquid Side

Vapor Side

3-Way Valve

Th5

Th2

Accumulator

Ø5/8 Inches

Ø3/8 Inches

Summary of Contents for LS090HSV5

Page 1: ...SINGLE ZONE HIGH EFFICIENCY WALL MOUNT ENGINEERING MANUAL Models LS090HSV5 LS120HSV5 LS180HSV5 Single Zone High Efficiency Systems 3 4 to 1 1 2 Tons ...

Page 2: ...llustrations 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 best practices building ventilation owner s and service manuals visit www lghv...

Page 3: ...h Efficiency Standard Performance Data 37 45 CoolingCapacityData 38 396 Heating Capacity Data 40 41 Maximum Heating Capacity Data 42 43 Equipment Selection Procedure 44 45 High Efficiency Standard Application Guidelines 46 55 PlacementConsiderations 47 51 Installing Outdoor Unit Indoors 52 54 Refrigerant Piping Design 55 TABLE OF SYMBOLS This symbol indicates an imminently hazardous situation whic...

Page 4: ... Style SV High Efficiency Inverter VP Gallery YV Premier EV Mega V Standard Inverter T Thermostat Compatible LV Extended Piping Nominal Capacity Nominal cooling capacity in Btu h Frame Type A Art Cool S Standard C Four Way Ceiling Cassette D Ceiling Concealed Duct Low Static H Ceiling Concealed Duct High Static V Vertical Horizontal Air Handling L LG 9 9 000 12 12 000 18 18 000 24 24 000 36 36 000...

Page 5: ...X Single Zone and Energy Recovery Ventilator ERV systems directly into CAD drawings LATS Revit integrates the LG LATS program with Revit software It permits engineers to layout and validate Multi V VRF systems directly into Revit 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 d...

Page 6: ...here originally intended Structural elements prevent routing the piping as planned Air conditioning system conflicts with other building systems plumbing gas lines etc The contractor must mark any deviation from the design on the Shop Drawing including as built straight lines and elbows This Mark Up drawing must be returned to the design engineer or Rep who must input contractor changes into the L...

Page 7: ...Functions Controls and Options on page 12 Dimensions on page 13 Acoustic Data on page 18 Refrigerant Flow Diagrams on page 22 Wiring Diagrams on page 24 Electrical Connections on page 27 Air Flow External Pressure and Temperature Distribution on page 31 Accessories on page 35 PRODUCT DATA ...

Page 8: ...al oil separator and controls to ensure sufficient 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 twin rotary compressor to modulate capacity modulation in 1 Hz increments Frequency ranges for the outdoor units are as follows LSU090HSV5 10 84 Hz LSU120HSV5 10 92 Hz LSU180HSV5...

Page 9: ... U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp GENERAL DATA Pairing Table Outdoor Unit Model Indoor Unit Model Wireless Remote Controller LSU090HSV5 LSU120HSV5 LSN090HSV5 LSN120HSV5 AKB74955602 LSU180HSV5 LSN180HSV5 AKB74955602 Table 1 Single Zone High Efficiency Standard Wall Mount Unit Pairing Table ...

Page 10: ... 1 Outdoor Unit Type Qty Propeller 1 Motor Drive Brushless Digitally Controlled Direct Airflow Rate Indoor Unit Max H M L CFM Cooling 459 338 317 194 459 338 317 194 706 530 477 371 Heating 459 338 317 229 459 338 317 229 706 547 494 371 Outdoor Unit Max CFM 1 165 1 165 2 119 Piping Liquid Line in ø1 4 ø1 4 ø3 8 Vapor Line in ø3 8 ø3 8 ø5 8 Condensate Drain O D I D in 27 32 5 8 27 32 5 8 27 32 5 8...

Page 11: ...e Voltage Range Min to Max MCA MOP Compressor Quantity Compressor Motor RLA Outdoor Fan Motor Indoor Fan Motor Cooling Heating kW FLA FLA 3 4 LS090HSV5 60 208 230 187 253 10 0 15 0 1 7 0 7 0 0 043 0 4 0 4 1 LS120HSV5 10 0 15 0 1 7 0 7 0 0 043 0 4 0 4 1 1 2 LS180HSV5 13 0 20 0 1 9 6 9 6 0 124 0 25 0 4 Voltage tolerance is 10 Maximum allowable voltage unbalance is 2 MCA Minimum Circuit Ampacity Maxi...

Page 12: ...gnosis Indoor Unit Display Type Number Display Number Display Number Display Indoor Unit Display Light On Off On Off On Off Energy Saving Mode Lock Cooling Only Cooling Only Cooling Only Central Controllers AC Smart IV PACS4B000 PACS4B000 PACS4B000 ACP IV PACP4B000 PACP4B000 PACP4B000 PI 485 PMNFP14A1 PMNFP14A1 PMNFP14A1 Remote Controllers MultiSITE CRC1 PREMTBVC0 PREMTBVC0 PREMTBVC0 MultiSITE CRC...

Page 13: ...SU090HSV5 LSU120HSV5 Unit Inch mm 4 3 16 106 31 32 24 10 1 2 267 19 32 15 21 1 2 545 4 15 16 125 6 7 16 163 5 3 32 129 1 7 32 30 5 12 1 16 306 9 5 16 236 30 5 16 770 10 29 32 277 Ø17 11 32 440 2 23 32 69 15 32 11 5 11 5 16 288 13 16 20 2 5 25 2 3 32 54 22 558 12 31 32 330 13 29 32 353 Drain Hole 8 Ø13 16 20 Liquid Pipe Connection Flared Vapor Pipe Connection Flared Sump Heater Service Valve Cover ...

Page 14: ... of LG Corp OUTDOOR UNIT DIMENSIONS LSU180HSV5 Unit Inch mm 13 13 32 340 14 3 16 360 6 15 32 164 21 1 2 546 2 3 4 69 5 12 19 32 320 34 1 4 870 13 3 32 333 29 32 22 5 5 7 8 149 17 32 13 3 5 32 79 5 21 1 2 571 20 27 32 529 31 1 2 800 7 11 16 195 4 7 32 107 6 25 32 172 7 8 22 15 3 32 383 1 25 32 45 25 14 6 29 32 175 Liquid Pipe Connection Flared Vapor Pipe Connection Flared Service Valve Cover Commun...

Page 15: ... GRAVITY DIMENSIONS d e a b c A D B C Figure 4 LSU090 120 180HSV5 Outdoor Unit Corner Weight and Center of Gravity Dimensions Model No Weight lb Center of Gravity in Leg in Corner Weight lb Shipping Net a b c d e A B C D LSU090HSV5 LSU120HSV5 78 9 74 1 19 31 32 9 11 32 5 21 32 22 12 31 32 9 5 11 0 26 8 26 8 LSU180HSV5 126 5 116 8 21 3 32 13 25 32 6 23 32 21 1 2 13 13 32 21 1 16 4 38 6 40 7 Table 5...

Page 16: ...irection control is available Cooling Heating Up Down Left Right AirOutletHole 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 32 93 10 11 32 263 5 31 32 152 3 27 32 98 5 9 32 134 12 1 8 308 3 11 16 94 7 5 8 194 Unit Outline Fixing the Installation Plate Drilling Hole 29 32 23 Ø2 9 16 65 2 7 16 61 5 1 7 16 33 5 1 9 32 32 7...

Page 17: ...id Pipe 2 3 8 60 2 3 8 60 Rear Left Right 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 3 9 32 83 5 9 32 134 1 1 16 27 2 3 32 53 11 13 16 300 7 16 11 2 3 8 6...

Page 18: ...struction acoustic absorption coefficient of a particular room in which the unit was installed 2 6 0 8 3 3 1 Microphone Unit ft m Table 6 High Efficiency Standard Wall Mount Indoor Unit Acoustic Data Figure 6 Sound Pressure Level Diagrams for LSN090HSV5 Indoor Units Model Sound Pressure Levels dB A Cooling Heating H M L H M L LSN090HSV5 39 33 23 39 33 23 LSN120HSV5 39 33 23 39 33 23 LSN180HSV5 45 ...

Page 19: ...70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB re 20μPa High Octave Band Center Frequency Hz Low 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 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB re 20μPa High Octave Band Center Frequency Hz Low NC 15 NC 20 NC 25 NC 30 NC 35 NC...

Page 20: ...iciency Standard Wall Mount Outdoor Unit Sound Level Measurement Table 7 High Efficiency Standard Wall Mount Outdoor Unit Acoustic Data 3 3 ft 1 Center of Outdoor Unit Unit ft m Model Sound Pressure Levels dB A Cooling Max Heating Max LSU090HSV5 45 48 LSU120HSV5 45 48 LSU180HSV5 53 53 Figure 9 Sound Pressure Level Diagrams for LSU090HSV5 Outdoor Units LSU090HSV5 Cooling Heating 10 20 30 40 50 60 7...

Page 21: ...125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB re 20μPa Front Back Octave Band Center Frequency Hz 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 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB re 20μPa Front Back Octave Band Center Frequency Hz NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 N...

Page 22: ...re thermistor TH3 Evaporator middle temperature thermistor CN TH3 Indoor TH4 Evaporator outlet temperature thermistor CN TH2 Indoor TH5 Water level sensor optional TH6 Outdoor air temperature thermistor C_PIPE AIR Outdoor TH7 Condensing temperature thermistor TH8 Discharge pipe temperature thermistor D_PIPE Outdoor Table 8 Single Zone High Efficiency Wall Mount LSN LSU090 120HSV5 Thermistor Detail...

Page 23: ...mistor CN TH1 Indoor TH2 Evaporator inlet temperature thermistor TH3 Evaporator middle temperature thermistor CN TH3 Indoor TH4 Evaporator outlet temperature thermistor CN TH2 Indoor TH5 Water level sensor optional TH6 Outdoor air temperature thermistor CN TH1 Outdoor TH7 Condensing temperature thermistor TH8 Discharge pipe temperature thermistor CN TH2 Outdoor Field Piping Copper Tubing Field Pip...

Page 24: ... 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 LSN090HSV5 LSN120HSV5 LSN180HSV5 INDOOR UNIT WIRING DIAGRAM Wiring Diagram for LSN090 120 180HSV5 ...

Page 25: ...s 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 LSU090HSV5 LSU120HSV5 OUTDOOR UNIT WIRING DIAGRAM Wiring Diagram for LSU090 120HSV5 ...

Page 26: ...ual 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 LSU180HSV5 OUTDOOR UNIT WIRING DIAGRAM Wiring Diagram for LSU180HSV5 ...

Page 27: ...nnection 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 shielded...

Page 28: ... Communications System Schematic Use a conduit for the communications cable power wiring from the outdoor unit to the indoor units Make sure the communications cable power wiring from the outdoor units to the indoor units and the power wiring to the outdoor unit are separate otherwise the outdoor unit operation may be affected by electrical noise and will malfunction or fail 208 230 VAC Figure 13 ...

Page 29: ... SPEED OPER MODE Figure 16 Wired Controller Connection on the Indoor Unit Terminal Block When using field supplied controller cable make sure to connect the yel low to yellow communications wire red to red 12V power wire and black to black ground wire terminals from the remote controller to the indoor unit terminal blocks Wired Controller Connections Optional controllers see Functions Controls Opt...

Page 30: ...d to cold air Controller must be installed four 4 to five 5 feet above the floor where its LED display can be read easily in an area with good air circulation and where it can detect an average room temperature Do not install the wired controller near or in Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from the sun or appliances Concealed pipes and chimne...

Page 31: ... 1 6 0 5 1 6 2 6 6 2 6 6 Air Velocity m s ft s 0 10 2 4 6 8 m 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 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 ft 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 Discharge Angle 35 From the floor Vertical Louver Center Fan Speed Power Top View Disch...

Page 32: ...m m ft 3 3 0 6 6 ft 3 3 0 6 6 ft 0 32 8 6 6 13 1 19 7 26 2 28 82 30 86 32 90 0 3 1 0 3 1 0 3 1 0 5 1 6 0 5 1 6 0 5 1 6 1 3 3 1 3 3 1 3 3 2 6 6 Air Velocity m s ft s 0 10 2 4 6 8 m 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 32 8 6 6 13 1 19 7 26 2 0 32 8 6 6 13 1 19 7 26 2 ft 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...

Page 33: ... ft 0 32 8 6 6 13 1 19 7 26 2 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 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft 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...

Page 34: ... 8 m m ft 3 3 0 6 6 ft 3 3 0 6 6 ft 0 32 8 6 6 13 1 19 7 26 2 32 90 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft 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 ...

Page 35: ...or unit 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...

Page 36: ...lt in Wi Fi module along with a free smart phone app that provides monitoring and remote control capabilities for certain LG single zone systems The app has the following features and benefits Sign in to the app using LG credentials or using Google or Facebook login credentials Users only have to log in to the app once the app remembers login details for subsequent logins View current temperature ...

Page 37: ...PERFORMANCE DATA Cooling Capacity Data on page 38 Heating Capacity Data on page 40 Maximum Heating Capacity Data on page 42 Equipment Selection Procedure on page 44 ...

Page 38: ...2 93 7 20 0 63 14 26 7 49 0 68 11 90 8 16 0 56 10 33 8 61 0 47 7 7 18 6 00 0 40 8 97 6 39 0 47 10 77 6 78 0 54 13 01 7 26 0 63 14 36 7 55 0 69 11 98 8 24 0 56 10 40 8 69 0 48 10 7 25 6 08 0 40 9 06 6 48 0 48 10 88 6 87 0 55 13 15 7 36 0 64 14 51 7 66 0 70 12 11 8 35 0 57 10 51 8 81 0 48 14 7 35 6 19 0 41 9 19 6 59 0 49 11 03 6 99 0 56 13 33 7 49 0 66 14 71 7 80 0 71 12 27 8 50 0 58 10 65 8 97 0 49...

Page 39: ... 41 14 52 0 81 35 12 95 10 47 0 71 15 04 10 98 0 81 17 13 11 49 0 92 19 75 12 13 1 05 21 31 12 51 1 13 20 11 13 99 0 97 19 31 14 98 0 86 40 13 41 10 85 0 75 15 37 11 31 0 85 17 34 11 78 0 95 19 79 12 36 1 06 21 26 12 71 1 14 20 63 14 34 1 00 20 21 15 43 0 91 45 13 87 11 23 0 80 15 71 11 64 0 89 17 54 12 06 0 97 19 84 12 59 1 08 21 21 12 90 1 14 21 15 14 70 1 04 21 10 15 89 0 97 50 14 34 11 60 0 84...

Page 40: ... TC PI TC PI TC PI TC PI TC PI 3 4 6 94 0 71 6 73 0 70 6 66 0 70 6 59 0 69 6 54 0 69 6 41 0 69 6 26 0 69 0 1 7 55 0 78 7 32 0 77 7 25 0 77 7 18 0 76 7 12 0 76 6 98 0 75 6 81 0 75 1 0 7 65 0 78 7 42 0 78 7 34 0 78 7 27 0 77 7 21 0 77 7 07 0 76 6 90 0 76 6 5 7 99 0 81 7 75 0 80 7 67 0 80 7 59 0 80 7 54 0 80 7 38 0 79 7 21 0 79 10 9 8 34 0 84 8 09 0 83 8 01 0 83 7 93 0 82 7 87 0 82 7 71 0 81 7 53 0 8...

Page 41: ...70 20 40 1 68 20 20 1 68 20 00 1 67 19 84 1 67 19 44 1 65 18 98 1 65 43 40 21 72 1 73 21 06 1 71 20 84 1 71 20 64 1 69 20 48 1 69 20 07 1 67 19 59 1 67 47 43 22 73 1 76 22 04 1 75 21 82 1 75 21 60 1 73 21 43 1 73 21 00 1 71 20 51 1 71 53 50 22 96 1 78 22 26 1 76 22 03 1 76 21 82 1 75 21 65 1 75 21 21 1 73 20 71 1 73 59 53 23 48 1 80 22 77 1 78 22 54 1 78 22 31 1 76 22 14 1 76 21 70 1 75 21 18 1 75...

Page 42: ...s 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 Nominal capacity as rated 0 ft above sea level with 25 ft of refrigerant piping 0 ft level difference between outdoor and indoor units Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb D...

Page 43: ... 01 27 07 2 88 20 92 2 38 41 38 36 30 3 36 35 88 3 42 35 54 3 48 35 35 3 51 34 17 3 37 31 51 3 17 23 52 2 40 43 40 37 52 3 45 37 08 3 52 36 73 3 58 36 53 3 62 35 26 3 46 32 39 3 23 23 79 2 38 47 43 39 96 3 68 39 49 3 80 39 11 3 92 38 90 3 98 37 46 3 79 34 24 3 50 24 56 2 46 53 50 41 00 3 75 40 49 3 86 40 07 3 97 39 84 4 03 38 27 3 81 34 74 3 48 24 13 2 28 59 53 41 52 3 67 41 48 3 81 41 45 3 95 41 ...

Page 44: ... lengths is shown below Cooling Capacity Coefficient Factors Heating Capacity Coefficient Factors Table 20 Single Zone High Efficiency Standard Wall Mounted Unit Cooling Capacity Coefficient Factors Table 21 Single Zone High Efficiency Standard Wall Mounted Unit Heating Capacity Coefficient Factors 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 ...

Page 45: ...orrection Factors 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 the...

Page 46: ...APPLICATION GUIDELINES Placement Considerations on page 47 Installing Outdoor Units Indoors on page 52 Design Guideline Summary on page 55 ...

Page 47: ...rance from ceiling A More than 4 inches More than 4 inches At least 6 5 feet from the floor A Ceiling Clearance inches Indoor Unit Model s 5 LSN090HSV5 LSN120HSV5 8 LSN180HSV5 Table 24 Single Zone High Efficiency Standard Wall Mount Indoor Unit Ceiling Clearances Figure 22 Single Zone High Efficiency Standard Wall Mount Indoor Unit Clearance Requirements PLACEMENT CONSIDERATIONS The unit must not ...

Page 48: ...vironment near an ocean lake 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 vent...

Page 49: ...ight feet 66 98 148 197 Protection Angle 55 45 35 25 If the building does not include lightning protection the outdoor unit may be damaged from a lightening strike Inform the customer of this possibility in advance Figure 24 Typical Arrangement of Refrigerant Pipe and Cable s in a Utility Conduit PLACEMENT CONSIDERATIONS Outdoor Unit Ground Safe zone Lightning rod Protection Angle 25 55 5 feet Lig...

Page 50: ...than 150 of the outdoor unit s height 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 may need to be applied to the outdoor unit at oceanside locations Ocean winds may cause corrosion particularly on the condenser and evaporator fins which in turn could cause product malfunction or inefficient pe...

Page 51: ...m 14 4 Case 4 Standard 12 24 Minimum 4 8 79 Case 5 Standard 24 12 Minimum 10 4 Table 28 Single Zone High Efficiency Standard Wall Mount 9 000 12 000 18 000 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...

Page 52: ...imiting the ambient air temperature may allow the Single Zone High Efficiency Standard Wall Mount system designer to eliminate oversizing The outdoor unit to compensate for loss of capacity at low ambient temperatures May also curtail the need to provide inefficient redundant zone heating devices such as wall fin radiators and second stage ancillary heat ing devices Design Considerations Include E...

Page 53: ...inwater 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 for Outdoor U...

Page 54: ...3 min 312 Within Allowable 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 should match or exceed discharge airflow Separate inlet airflow from discharge airflow to prevent recirculation Figure 31 Open Rate by Louver Radian Formula Open Rate...

Page 55: ...Ø1 4 Ø1 4 Ø3 8 Pipe Length ELF Equivalent Length of pipe in Feet Standard Piping Length 24 6 24 6 24 6 Piping Length with No Additional Refrigerant 41 41 24 6 Longest total equivalent piping length 82 82 114 8 Shortest total equivalent piping length 9 8 9 8 9 8 Distance between fittings and indoor units or outdoor units 20 inches 20 inches 20 inches Elevation All Elevation Limitations are Measured...

Page 56: ...ISO 9001 2008 LG ELECTRONICS INC LG Electronics Commercial Products Support 1 888 865 3026 USA Follow the prompts for commercial A C products LG Electronics U S A Inc Air Conditioning Technologies 4300 North Point Parkway Alpharetta Georgia 30022 www lghvac com ...

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