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14 | PRODUCT DATA

Single Zone Extended Piping W

all Mounted Engineering Manual

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d

e

a

b

c

A

D

B

C

Figure 4: Center of Gravity and Corner Weight Dimensions Diagram.

OUTDOOR UNIT CENTER OF GRAVITY /
CORNER WEIGHT

Model

Weight (lb.)

Center of Gravity (inch)

Leg (inch)

Corner Weight (lb.)

Shipping

Net

a

b

c

d

e

A

B

C

D

LSU243HLV3

147.7

135.4

23-7/32 12-19/32 5-29/32 24-13/32 14-3/16

18.6 24.2 49.1 43.5

LSU303HLV3, LSU363HLV3

160.3

147.9

23-7/32 12-19/32 5-29/32 24-13/32 14-3/16

20.3

26.5

53.7

47.4

Table 5: Center of Gravity and Corner Weight Dimensions.

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Содержание LS243HLV3

Страница 1: ...SINGLE ZONE EXTENDED PIPING WALL MOUNTED ENGINEERING MANUAL 2 Tons LS243HLV3 2 1 2 and 2 3 4 Tons LS303HLV3 LS363HLV3 ...

Страница 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 3 For more technical materials such as submittals catalogs installation owner s and service manuals visit www lghvac com ...

Страница 3: ...Mechanical Specifications 8 General Data 9 10 Electrical Data 11 Functions Controls Options 12 Outdoor Unit Dimensions 13 14 Indoor Unit Dimensions 15 16 Acoustic Data 17 20 Refrigerant Flow Diagram 21 Indoor Unit Wiring Diagram 22 Outdoor Unit Wiring Diagram 23 Electrical Connections 24 27 Air Flow Static Pressure and Temperature Distribution 28 33 Performance Data 34 44 Cooling Capacity 35 36 Ma...

Страница 4: ...Unit Family LS Wall Mounted UNIT NOMENCLATURE Capacity Mbh Generation or Revision 1 First 2 Second 3 Third 4 Fourth 3 4 INTRODUCTION Single Zone Extended Piping Wall Mounted Engineering Manual XH WR 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 ...

Страница 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 component 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 ...

Страница 6: ...s 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 software 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 The d...

Страница 7: ...t Dimensions on page 13 Outdoor Unit Center of Gravity Corner Weight on page 14 Indoor Unit Dimensions on page 15 Acoustic Data on page 17 Refrigerant Flow Diagram on page 21 Indoor Unit Wiring Diagram on page 22 Outdoor Unit Wiring Diagram on page 23 Electrical Connections on page 24 Air Flow Static Pressure and Temperature Distribution on page 28 ...

Страница 8: ...d 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 LSU243HLV3 10 Hz 70 Hz for Cooling 10 Hz 100 Hz for Heating LSU303HLV3 10 Hz 60 Hz for Cooling 10 Hz 90 Hz for Heating LSU36...

Страница 9: ... WUDGHPDUN RI RUS GENERAL DATA Extended Piping Wall Mounted System Pairing Table The following tables show the available outdoor and indoor units along with the factory provided controllers Table 1 Single Zone Wall Mounted Extended Piping System Pairing Table Outdoor Unit Model Indoor Unit Model Controller LSU243HLV3 LSN243HLV3 AKB74955602 LSU303HLV3 LSU363HLV3 LSN303HLV3 LSN363HLV3 AKB74955602 ...

Страница 10: ...hless Digitally Controlled Direct Airflow Rate IDU Cooling Max H M L CFM 813 601 495 389 1 095 883 742 601 1 095 883 742 601 ODU Max CFM 2 119 2 295 2 295 Piping Liquid in 3 8 Flare 3 8 Flare 3 8 Flare Vapor in 5 8 Flare 5 8 Flare 5 8 Flare Condensate Drain O D I D in 25 32 19 32 25 32 19 32 25 32 19 32 Additional Refrigerant Charge oz ft 0 38 0 38 0 38 Pipe Length7 Minimum Maximum ft 9 8 164 0 9 ...

Страница 11: ...W FLA W FLA 2 LS243HLV3 60 208 230 187 253 19 0 30 1 14 41 14 41 124 0 4 58 0 5 2 1 2 LS303HLV3 23 0 30 1 15 1 15 1 124 0 25 110 0 5 2 3 4 LS363HLV3 23 0 30 1 15 1 15 1 124 0 25 110 0 5 Table 3 208 230V 60Hz 1 Phase Single Zone Extended Piping Wall Mounted Electrical Data Voltage tolerance is 10 Maximum allowable voltage unbalance is 2 MCA Minimum Circuit Ampacity Maximum Overcurrent Protection MO...

Страница 12: ...r 24 hour On Off Weekly Timer Applicable with Wired Controller o o o Two Thermistor Control o o o Low Ambient Overheating Protection Low Heating Smart Diagnosis Indoor Display Type Number Display Number Display Number Display Indoor Unit Display Light On Off On Off On Off Energy Saving Drain Pan Heater Controllers Wireless Handheld Remote Controller Programmable Controllers MultiSITE CRC1 CRC1 o P...

Страница 13: ... 32 26 13 330 1 9 16 40 Ø22 1 8 562 2 17 32 64 32 3 4 832 5 13 16 148 3 9 32 83 5 9 16 141 15 16 24 13 7 32 336 24 13 32 620 14 3 16 360 15 11 32 390 25 14 14 3 5 32 80 Vapor Pipe Conn Flare Joint Service Valve Cover Power Comm Cable Holes Control Box Air Outlet Drain Hole 5 Ø13 16 20 6 17 32 166 15 7 16 392 1 1 32 26 37 13 32 950 13 330 1 9 16 40 Ø22 1 8 562 2 17 32 64 32 3 4 832 5 13 16 148 3 9 ...

Страница 14: ...S d e a b c A D B C Figure 4 Center of Gravity and Corner Weight Dimensions Diagram OUTDOOR UNIT CENTER OF GRAVITY CORNER WEIGHT Model Weight lb Center of Gravity inch Leg inch Corner Weight lb Shipping Net a b c d e A B C D LSU243HLV3 147 7 135 4 23 7 32 12 19 32 5 29 32 24 13 32 14 3 16 18 6 24 2 49 1 43 5 LSU303HLV3 LSU363HLV3 160 3 147 9 23 7 32 12 19 32 5 29 32 24 13 32 14 3 16 20 3 26 5 53 7...

Страница 15: ...liquid pipe Approx 14 1 8 359 to gas pipe In Case of Left Side Piping Unit Outline Connecting Gas Liquid Pipe 14 23 32 374 2 5 32 55 4 21 32 118 1 17 32 47 2 3 8 60 2 15 32 63 1 3 32 50 2 1 1 16 26 2 2 7 16 61 5 1 7 16 33 5 1 4 6 x 1 8 3 1 8 3 x 1 4 6 5 8 15 3 1 9 32 32 7 5 31 32 152 1 1 4 31 2 13 32 61 41 23 32 1060 14 29 32 379 7 27 32 199 8 7 16 214 6 5 16 160 2 51 9 1 32 229 Ø2 9 16 65 2 3 4 7...

Страница 16: ...ting Up Down Left Right 8 5 8 219 Air Intake Hole Left 45 12 22 57 47 45 2 3 8 60 15 32 12 7 16 11 2 5 8 67 47 1 4 1200 14 3 16 360 14 23 32 374 2 2 3 3 2 6 9 A i r O u t l e t H o l e 43 3 16 1097 Air Intake Hole Rear Rear Right 10 7 16 265 2 5 8 67 7 16 11 15 32 12 2 3 8 60 Air Intake Air Outlet 47 1 4 1200 Approx 17 1 8 435 to liquid pipe Approx 19 1 2 495 to gas pipe In Case of Left Side Pipin...

Страница 17: ... 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 ab sorption coefficient of a particular room in which the unit was installed LSN243HLV3 Cooling Heating Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequen...

Страница 18: ...00 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 Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequency Hz LSN303HLV3 g n i t a e H g n i l o o C 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 ...

Страница 19: ...tandard Reference acoustic pressure 0dB 20μPa 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 LSU243HLV3 Cooling Heating Octave Band Sou...

Страница 20: ...5 NC 60 NC 65 Approximate Hearing Threshold Octave Band Sound Pressure Level G ȝ3D Octave Band Center Frequency Hz LSU363HLV3 Cooling Heating 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Ɣ Ÿ Front Back 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...

Страница 21: ...43 303 363HLV3 Thermistor Details Table 9 LSN LSU243 303 363HLV3 Refrigerant Piping Sizes Appendix Heat Exchanger M Propeller Fan M Cross Flow Fan Compressor Accumulator 4 Way Valve EEV Electronic Expansion Valve Capillary Tube 2 Way Valve 3 Way Valve Temperature Sensor Pressure Sensor Pressure Switch Check Valve Flare Joint Muffler Strainer Reversing Valve Field Piping Copper Tubing Field Piping ...

Страница 22: ... 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 LSN243HLV3 LSN303HLV3 LSN363HLV3 INDOOR UNIT WIRING DIAGRAM 01 2020 Wiring Diagram for Extended Piping Wall Mounted Indoor Units ...

Страница 23: ...YDWLRQ VRPH VSHFL FDWLRQV PD FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS LSU243HLV3 LSU303HLV3 LSU363HLV3 OUTDOOR UNIT WIRING DIAGRAM 01 2020 Wiring Diagram for Extended Piping Wall Mounted Outdoor Units ...

Страница 24: ...he wires cannot be easily pulled out Confirm that the electrical capacity is sufficient Power supply to the outdoor unit must be selected based on NEC and local codes Maximum allowable voltage fluctuation 10 or name plate rated value It is recommended that a circuit breaker is installed especially if conditions could become wet or moist Include a disconnect in the power wiring system Add an air ga...

Страница 25: ...xtended Piping unit Never apply line voltage power to the communication cable connection If contact is made the PCBs will be damaged The shield of the communications cable connecting the outdoor unit to the indoor unit must be grounded only to the outdoor unit frame Tie the shield of each cable segment together using a wire nut at the indoor unit Maintain polarity throughout the communication netw...

Страница 26: ... 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 FT 6 rated if local electric and building codes require plenum cable usage Communication cable from indoor unit to remot...

Страница 27: ...ad 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 chimneys An area where temperatures are uncontrolled such as an outside wall Assigning the Thermistor for Temperature ...

Страница 28: ...2 3 13 1 19 7 26 2 1 0 0 10 2 2 4 6 8 m 3 3 m ft 0 6 6 ft 3 3 0 6 6 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 Air Velocity m s ft s 2 m 4 0 1 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 6 6 8 2 3 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...

Страница 29: ...ocity m s ft s 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 6 6 8 2 3 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 Discharge QJOH Û URP WKH IORRU Vertical Louver Center Fan Speed Power Top View Discharge QJOH Û URP WKH IORRU Vertical Louver Center Fan Speed Power Air Speed 0 3 m s 1 ft s Rang...

Страница 30: ...6 2 0 Air Velocity m s ft s 2 m 4 0 1 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 6 6 8 2 3 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 Discharge QJOH Û URP WKH IORRU Vertical Louver Center Fan Speed Power Top View Discharge QJOH Û URP WKH...

Страница 31: ... m s ft s 2 m 4 0 1 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 6 6 8 2 3 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 Discharge QJOH Û URP WKH IORRU Vertical Louver Center Fan Speed Power Top View Discharge QJOH Û URP WKH IORRU Vertical Lo...

Страница 32: ...6 2 0 Air Velocity m s ft s 2 m 4 0 1 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 6 6 8 2 3 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 Discharge QJOH Û URP WKH IORRU Vertical Louver Center Fan Speed Power Top View Discharge QJOH Û URP WKH...

Страница 33: ... m s ft s 2 m 4 0 1 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 Air Velocity m s ft s 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 ft 1 3 1 8 2 3 19 7 26 2 0 6 6 8 2 3 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 Discharge QJOH Û URP WKH IORRU Vertical Louver Center Fan Speed Power Top View Discharge QJOH Û URP WKH IORRU Vertical Lo...

Страница 34: ...Cooling Capacity Data on page 35 Maximum Cooling Capacity Data on page 37 Heating Capacity Data on page 39 Maximum Heating Capacity on page 41 Equipment Selection Procedure on page 43 PERFORMANCE DATA ...

Страница 35: ...7 75 13 98 1 59 18 94 14 91 1 64 20 42 16 06 1 71 21 31 16 75 1 74 23 17 18 25 1 82 24 41 19 26 1 87 110 16 10 12 70 1 57 17 32 13 66 1 62 18 54 14 62 1 67 20 06 15 82 1 73 20 97 16 54 1 77 22 76 17 95 1 84 23 95 18 89 1 89 115 15 53 12 25 1 59 16 70 13 18 1 64 17 88 14 12 1 69 19 35 15 28 1 75 20 24 15 99 1 79 21 98 17 35 1 87 23 14 18 26 1 92 118 15 18 11 98 1 60 16 34 12 89 1 65 17 49 13 81 1 7...

Страница 36: ...8 2 16 30 65 22 59 2 29 33 30 23 09 2 43 36 62 23 73 2 60 38 61 24 11 2 70 41 63 28 17 2 64 43 64 30 87 2 61 65 27 74 21 88 2 27 30 25 22 50 2 40 32 77 23 11 2 53 35 92 23 88 2 69 37 81 24 34 2 79 40 82 28 18 2 76 42 83 30 74 2 74 70 27 48 21 68 2 38 29 86 22 40 2 50 32 24 23 13 2 62 35 22 24 03 2 78 37 01 24 57 2 87 40 02 28 20 2 87 42 02 30 61 2 87 75 27 23 21 48 2 49 29 47 22 31 2 60 31 72 23 1...

Страница 37: ...LV3 LSN303HLV3 Outdoor Air Temp F DB Indoor Air Temperature F DB F WB 64 53 68 57 72 61 77 64 80 67 86 72 90 75 TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 0 15 85 14 09 1 74 19 41 16 80 1 77 22 96 19 67 1 81 27 41 22 32 1 95 30 08 23 71 1 97 32 20 27 21 1 88 33 61 28 98 1 70 5 15 91 14 35 1 77 19 48 17 09 1 81 23 06 20 00 1 87 27 53 22 70 2 03 30 21 24 12 2 06 32 33 27 6...

Страница 38: ... 91 60 16 44 14 56 2 33 20 87 17 74 2 42 25 30 20 76 2 53 30 84 24 66 2 74 34 16 26 27 2 81 36 43 29 00 2 99 37 95 30 82 3 00 65 16 24 14 39 2 36 20 71 17 61 2 49 25 19 20 66 2 63 30 78 24 60 2 89 34 14 26 24 2 98 36 45 29 00 3 17 38 00 30 84 3 18 70 16 03 14 21 2 39 20 55 17 47 2 55 25 07 20 55 2 73 30 72 24 54 3 04 34 12 26 20 3 15 36 47 29 00 3 34 38 05 30 87 3 36 75 15 82 14 04 2 42 20 39 17 3...

Страница 39: ...4 16 03 1 82 15 86 1 82 15 71 1 80 15 59 1 80 15 27 1 78 14 91 1 78 0 1 17 99 2 02 17 45 2 00 17 27 2 00 17 10 1 98 16 97 1 98 16 63 1 96 16 23 1 96 1 0 18 22 2 04 17 67 2 02 17 49 2 02 17 32 2 00 17 18 2 00 16 84 1 98 16 44 1 98 6 5 19 04 2 11 18 46 2 09 18 27 2 09 18 09 2 07 17 95 2 07 17 59 2 05 17 18 2 05 10 9 19 87 2 18 19 27 2 15 19 08 2 15 18 89 2 13 18 74 2 13 18 37 2 11 17 93 2 11 16 14 2...

Страница 40: ...79 41 38 34 29 3 06 33 25 3 03 32 91 3 03 32 58 3 00 32 34 3 00 31 69 2 97 30 93 2 97 43 40 35 39 3 11 34 31 3 08 33 97 3 08 33 63 3 05 33 37 3 05 32 70 3 02 31 93 3 02 47 43 37 04 3 18 35 92 3 15 35 55 3 15 35 20 3 12 34 93 3 12 34 23 3 08 33 42 3 08 53 50 37 41 3 21 36 28 3 18 35 91 3 18 35 55 3 15 35 28 3 15 34 57 3 11 33 75 3 11 59 53 38 26 3 24 37 10 3 21 36 73 3 21 36 36 3 18 36 08 3 18 35 3...

Страница 41: ... 57 3 62 24 45 3 63 24 39 3 63 24 22 3 68 23 84 3 74 22 70 3 99 0 1 26 11 3 65 25 90 3 67 25 74 3 70 25 65 3 71 25 46 3 76 25 03 3 83 23 76 4 09 1 0 26 68 3 69 26 46 3 72 26 28 3 75 26 18 3 76 25 97 3 79 25 50 3 83 24 08 3 99 6 5 29 62 3 79 29 32 3 84 29 08 3 89 28 08 3 90 28 65 3 88 27 99 3 84 24 99 3 69 10 9 31 18 3 81 30 83 3 86 30 55 3 92 30 39 3 94 30 01 3 90 29 14 3 85 25 44 3 66 16 14 32 62...

Страница 42: ...25 4 38 38 80 4 46 38 43 4 54 38 22 4 58 36 94 4 38 34 06 4 11 25 43 3 13 43 40 39 48 4 19 39 03 4 27 38 65 4 35 38 45 4 39 37 11 4 19 34 09 3 91 25 03 2 89 47 43 39 96 4 04 39 49 4 17 39 11 4 31 38 90 4 37 37 46 4 14 34 24 3 83 24 56 2 70 53 50 41 00 4 11 40 49 4 24 40 07 4 36 39 84 4 42 38 27 4 16 34 74 3 81 24 13 2 50 59 53 41 52 4 03 41 48 4 18 41 45 4 34 41 43 4 41 39 73 4 15 35 89 3 80 24 37...

Страница 43: ... 0 2 1 2 3 2 5 2 8 Altitude Correction Factor The impact of air density must be considered on systems installed at a significant altitude above sea level therefore locally accepted altitude correction factors using ASHRAE guidelines must be applied Defrost Correction Factor for Heating Operation The outdoor unit heating capacity may need to be adjusted for frost accumulation on air cooled systems ...

Страница 44: ...s The outdoor unit must also be large enough to offset the total heating load for the space it serves If the corrected heating capacity ratio exceeds 100 reselect the equipment or change the system design by moving some of the load to another system Understand the design safety factors Reference load calculations for actual cooling and heating capacities applies in 99 of applications consider tota...

Страница 45: ...Placement Considerations on page 46 Installing Outdoor Units Indoors on page 51 Refrigerant Piping Design on page 54 APPLICATION GUIDELINES ...

Страница 46: ...V WR DLU FLUFXODWLRQ DURXQG WKH XQLW NHHS SURSHU GLVWDQFHV IURP FHLOLQJV GRRUZD V ÀRRU ZDOOV HWF Do not install in an area where operation sound will disturb occupants place the unit where noise prevention is taken into consideration Do not install near doorway Avoid installing the unit near high frequency generators 7KH XQLW PXVW QRW EH LQVWDOOHG ZKHUH VXOIXULF DFLG DQG ÀDPPDEOH RU FRU URVLYH JDV...

Страница 47: ...an lake etc ensure that the site is well ventilated and has a lot of natural light Example Install on a rooftop Do Not 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...

Страница 48: ...feet 66 98 148 197 3URWHFWLRQ QJOH Û 55 45 35 25 Figure 27 Typical Arrangement of Single Zone Refrigerant Pipe and Cable s in a Utility Conduit Ground Safe zone Lightning rod 3URWHFWLRQ QJOH Ûa Û 5 feet Lightning rod Underground Refrigerant Piping Refrigerant pipe installed underground must be routed inside a vapor tight protective sleeve to prevent insulation deterioration and water infiltration ...

Страница 49: ... more 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 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 FLH...

Страница 50: ...is 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 the unit is adequately anchored Consult local codes for rooftop mounting requirements In order to have successful service access to the outdoor unit see Figure 31 for minimum spacing When instal...

Страница 51: ...nclosed space limiting the ambient air temperature will allow the Single Zone Extended Piping Wall Mounted 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 ...

Страница 52: ...densate generated during heating mode and defrost cycle in addition 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 ...

Страница 53: ...Airflow 6 612 ft 3 min 2 119 ft 3 min 312 Within Allowable Limits Confirming Air Flow Rate Total Opening Rate Example LSU243HLV3 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 34 Open Rate by L...

Страница 54: ...mitations Model Numbers LS243HLV3 LS303HLV3 LS363HLV3 Pipe Sizes Vapor 5 8 inches 5 8 inches 5 8 inches Liquid 3 8 inches 3 8 inches 3 8 inches Pipe Length ELF Equivalent Length of pipe in Feet Standard Piping Length 24 6 24 6 24 6 Piping Length with No Additional Refrigerant 24 6 24 6 24 6 Longest Total Equivalent Piping Length 164 0 164 0 164 0 Shortest Total Equivalent Piping Length 9 8 9 8 9 8...

Страница 55: ......

Страница 56: ...hvac com EM_SZ_WallMounted_ExtendedPiping_HLV3_03_2020 Supersedes EM_SZ_WallMounted_ExtendedPiping_HLV_11_18 EM_SZ_WallMounted_ExtendedPiping_HLV_12_16 EM SZ HighEfficiencyWallmount HSV3 HV3 HLV 9 16 EM SZ HighEfficiencyWallmount HSV3 HV3 HLV 6 16 DFS EM AH 001 US 014D10 20001747 ISO 9001 2008 LG ELECTRONICS INC ...

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