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ll-Mounted Indoor Unit Engineering Manual

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ARNU123SBR4, ARNU153SBR4, ARNU183SCR4

Table 18: ARNU123SBR4, ARNU153SBR4, ARNU183SCR4 Cooling Capacity Table.

Model No. / 

Capacity Index

Outdoor 

Air Temp. 

(°F DB)

Indoor Air Temperature (°F DB / WB)

68 / 57

73 / 61

79 / 64

80 / 67

85 / 70

88 / 73

91 / 76

TC

SHC

TC

SHC

TC

SHC

TC

SHC

TC

SHC

TC

SHC

TC

SHC

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

MBh

ARNU123SBR4 / 

12.3

23

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

25

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

30

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

35

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

40

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

45

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

50

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

55

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.9

8.7

60

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.7

8.7

65

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.5

8.5

70

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

15.3

8.4

75

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.7

8.7

14.9

8.2

80

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.8

8.8

14.2

8.7

14.5

8.2

85

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.6

8.7

13.8

8.3

14.0

7.8

90

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.4

8.6

13.5

8.2

13.8

7.7

95

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

13.2

8.5

13.4

8.1

13.6

7.7

100

8.1

6.3

9.8

7.2

11.1

7.7

12.3

8.2

12.9

8.4

13.2

8.0

13.4

7.6

105

8.1

6.3

9.3

6.9

10.6

7.4

11.8

7.8

12.0

7.8

12.7

7.7

12.9

7.4

110

7.9

6.1

8.9

6.5

9.8

6.9

11.1

7.4

11.3

7.4

12.0

7.4

12.6

7.2

ARNU153SBR4 / 

15.4

23

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

25

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

30

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

35

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

40

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

45

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

50

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

55

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.9

11.3

60

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.7

11.2

65

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.4

11.0

70

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

19.1

10.8

75

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

18.4

11.3

18.6

10.6

80

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.3

11.4

17.8

11.2

18.2

10.6

85

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

17.1

11.3

17.3

10.7

17.6

10.1

90

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

16.8

11.1

16.9

10.6

17.3

10.0

95

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

16.5

11.0

16.8

10.5

17.1

9.9

100

10.1

8.1

12.3

9.4

13.9

10.0

15.4

10.6

16.2

10.8

16.5

10.4

16.8

9.8

105

10.1

8.1

11.7

8.9

13.2

9.5

14.8

10.1

15.1

10.1

15.8

10.0

16.2

9.6

110

9.9

7.9

11.1

8.4

12.3

8.9

13.9

9.5

14.2

9.5

15.1

9.5

15.7

9.3

ARNU183SCR4 /

19.1

23

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

25

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

30

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

35

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

40

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

45

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

50

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

55

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.7

13.8

60

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.4

13.7

65

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

24.0

13.5

70

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

23.7

13.3

75

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.8

13.8

23.1

13.0

80

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.4

13.9

22.1

13.7

22.5

12.9

85

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

21.2

13.8

21.4

13.1

21.8

12.4

90

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

20.9

13.6

21.0

12.9

21.4

12.2

95

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

20.5

13.5

20.9

12.8

21.2

12.1

100

12.6

9.9

15.3

11.4

17.2

12.2

19.1

13.0

20.1

13.3

20.5

12.7

20.9

12.0

105

12.6

9.9

14.5

10.9

16.4

11.7

18.3

12.4

18.7

12.4

19.7

12.2

20.1

11.7

110

12.3

9.6

13.8

10.3

15.3

10.9

17.2

11.7

17.6

11.7

18.7

11.7

19.5

11.4

TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh).

ART COOL

TM

 MIRROR

Summary of Contents for ARNU053SBL4

Page 1: ...V_WallMounted_IndoorUnits_3_16 WALL MOUNTED INDOOR UNIT ENGINEERING MANUAL Art Cool Mirror Wall Mounted 5 500 to 24 200 Btu h Standard Wall Mounted 5 500 to 35 500 Btu h Art Cool Gallery 9 600 and 12 300 Btu h ...

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

Page 3: ...9 Standard Wall Mounted Indoor Units 41 66 0HFKDQLFDO 6SHFL FDWLRQV 42 HQHUDO DWD 43 44 OHFWULFDO DWD 45 WHUQDO LPHQVLRQV 46 48 OHFWULFDO LULQJ LDJUDP 49 50 5HIULJHUDQW ORZ LDJUDP 51 FRXVWLF DWD 52 55 LU 9HORFLW 7HPSHUDWXUH LVWULEXWLRQ 56 60 DSDFLW 7DEOHV 61 66 Application Guidelines 67 75 6HOHFWLQJ WKH HVW RFDWLRQ 68 HQHUDO 0RXQWLQJ 69 70 HQHUDO UDLQ 3LSLQJ QIRUPDWLRQ 71 72 LULQJ XLGHOLQHV 73 74 ...

Page 4: ...urn B4 Ducted low static bottom return B8 Ducted high static BG Ducted high static BH Ducted high static BR Ducted high static CE Floor Standing small frame CF Floor Standing large frame L1 Ducted low static L2 Ducted low static L3 Ducted low static NJ Vertical Horizontal Air Handling Unit NK Vertical Horizontal Air Handling Unit SB Wall Mounted Art Cool Mirror SC Wall Mounted Art Cool Mirror SF A...

Page 5: ... standards a LATS refrigerant piping design must be provided with every Multi V order Following the installation if any changes or variations to the design are necessary a new LATS file must be created and provided to LG prior to system commissioning to ensure the proper pipe size has not changed Design Choices LATS Multi V software is flexible offering the HVAC system engineer an easy to use Tree...

Page 6: ...ll Mounted Indoor Unit 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 ...

Page 7: ... General Data on page 9 Electrical Data on page 9 External Dimensions on page 10 Electrical Wiring Diagram on page 11 Refrigerant Flow Diagrams on page 12 Acoustic Data on page 13 Air Velocity Temperature Distribution on page 15 Capacity Tables on page 16 ...

Page 8: ...r restoration test run and will operate the indoor unit using one of five operation modes 1 Auto Changeover Heat Recovery only 2 Heating 3 Cooling 4 Dry 5 Fan Only For Heat Recovery systems the Auto Changeover setting automati cally switches control of the indoor unit between Cooling and Heating modes based on space temperature conditions For Heat Pump systems heated or cooled air delivery is depe...

Page 9: ...ISO Standard 3745 4 All communication cable to be minimum 18 AWG 2 conductor stranded shielded and must comply with applicable and national code Ensure the communications cable is properly grounded at the master outdoor unit only Do not ground the ODU IDU communications cable at any other point Model No ARNU093SFA4 ARNU123SFA4 RROLQJ 0RGH 3HUIRUPDQFH Capacity Btu h 9 600 12 300 Power Input1 W 35 3...

Page 10: ... QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS WHUQDO LPHQVLRQV Figure 2 ARNU093SFA4 and ARNU123SFA4 Dimensions SF Frame ART COOLTM GALLERY Piping Access Hole Attachment Hole Attachment Hole 23 5 8 5 3 4 19 11 16 20 11 16 Air Outlet Grille Air Outlet Grille Air Outlet Grille Air Inlet Grille 23 5 8 Unit inches Note All measurements have a tolerance of 1 4 in ...

Page 11: ...tion CN TH1 Return air thermistor Return air thermistor connection CN UD Step motor Step motor output CN LR1 Step motor Step motor output CN LR2 Step motor Step motor output CN REMO Wired remote controller Wired remote controller connection CN EEV EEV output EEV control output CN EXT1 External on off controller External on off controller connection CN CC Dry contact Dry contact connection CN 485 C...

Page 12: ...HVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS ART COOLTM GALLERY Refrigerant Flow Diagram Figure 4 SF Frame Piping Diagram Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermistor Table 4 SF Frame Refrigerant Pipe Connection Port Diameters Table 5 SF Frame Thermistors SF Frame Model Liquid inch Vapor inch 6 UDPHV ARNU093SFA4 1 4 Flare 1 2 Flare ARNU123SFA4 1 4 Fla...

Page 13: ...oic chamber under ISO Standard 3745 Operating Conditions Power source 220V 60 Hz 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 Figure 5 Sound Pressure Measurement Location Table 6 Art Cool Gallery Indoor Unit Sound Pressure Levels Figure 6 ARNU093SFA4 and ARNU123SFA4 Sound Pressu...

Page 14: ...nominal operating conditions Sound power level is measured using rated conditions and tested in a reverberation room per ISO 3741 standards Sound level will vary depending on a range of factors such as construction acoustic absorption coefficient of particular area in which the equipment is installed 5HIHUHQFH DFRXVWLF LQWHQVLW G ȝ P2 Table 7 Art Cool Gallery Indoor Unit Sound Power Levels Model S...

Page 15: ...8 6 35 95 39 102 2 41 105 8 43 109 4 Air velocity m s ft s Temperature C F 2 7m 8 9 ft 2m 6 6 ft 1m 3 3 ft 0m 0 5m 16 4 ft 4m 13 1 ft 3m 9 8 ft 2m 6 6 ft 1m 3 3 ft 0m 0 2 7m 8 9 ft 2m 6 6 ft 1m 3 3 ft 0m 0 5m 16 4 ft 4m 13 1 ft 3m 9 8 ft 2m 6 6 ft 1m 3 3 ft 0m 0 Cooling Discharge angle 40 35 95 33 91 4 37 98 6 39 102 2 41 105 8 43 109 4 45 113 0 5 1 6 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 Air velocity m...

Page 16: ... 7 2 11 3 6 8 85 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 9 10 6 7 3 10 8 6 9 11 0 6 5 90 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 9 10 5 7 2 10 6 6 8 10 8 6 5 95 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 9 10 3 7 1 10 5 6 8 10 6 6 4 100 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 9 10 1 7 0 10 3 6 7 10 5 6 4 105 6 3 5 2 7 3 5 7 8 2 6 2 9 2 6 5 9 6 6 5 9 9 6 5 10 2 6 2 110 6 2 5 1 6 9 5 4 7 7 5 7 8 6 6 2 9 0 6 2 9 4 6 2 9 8 6 0 ARNU123SFA4 12 3...

Page 17: ... 5 40 0 36 0 11 3 11 3 11 3 11 3 10 9 10 6 10 0 9 5 45 0 41 0 11 8 11 8 11 8 11 4 10 9 10 6 10 0 9 5 47 0 43 0 12 2 12 1 12 0 11 4 10 9 10 6 10 0 9 5 50 0 46 0 13 1 12 5 12 0 11 4 10 9 10 6 10 0 9 5 55 0 51 0 13 4 12 6 12 0 11 4 10 9 10 6 10 0 9 5 60 0 56 0 13 4 12 6 12 0 11 4 10 9 10 6 10 0 9 5 ARNU123SFA4 12 3 4 0 4 4 9 1 9 1 9 1 9 1 9 0 9 0 9 0 9 0 0 0 4 9 4 9 4 9 4 9 4 9 4 9 2 9 2 9 2 5 0 4 5 ...

Page 18: ...ll Mounted Indoor Unit 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 ...

Page 19: ...age 20 General Data on page 21 Electrical Data on page 22 External Dimensions on page 23 Electrical Wiring Diagram on page 25 Refrigerant Flow Diagrams on page 26 Acoustic Data on page 27 Air Velocity Temperature Distribution on page 30 Capacity Tables on page 35 ...

Page 20: ...l boards The microprocessor control provides the following functions auto addressing self diagnostics auto restart following power restoration test run and will operate the indoor unit using one of five operation modes 1 Auto Changeover Heat Recovery only 2 Heating 3 Cooling 4 Dry 5 Fan Only For Heat Recovery systems the Auto Changeover set ting automatically switches control of the indoor unit be...

Page 21: ... cable to be minimum 18 AWG 2 conductor stranded shielded and must comply with applicable and national code Ensure the communications cable is properly grounded at the master outdoor unit only Do not ground the ODU IDU communications cable at any other point Model No ARNU053SBR4 ARNU073SBR4 ARNU093SBR4 ARNU123SBR4 ARNU153SBR4 ARNU183SCR4 ARNU243SCR4 RROLQJ 0RGH 3HUIRUPDQFH Capacity Btu h 5 500 7 5...

Page 22: ...plied to unit terminals is within the listed range limits Select wire size based on the larger MCA value Instead of a fuse use the circuit breaker Model Number Voltage Range MCA MOP Rated Amps A Power Supply Power Input W Hz Volts Phase Cooling Heating 6 UDPHV ARNU053SBR4 187 253 0 2 15 0 16 60 208 230V 1 21 21 ARNU073SBR4 0 2 0 16 21 21 ARNU093SBR4 0 2 0 16 21 21 ARNU123SBR4 0 2 0 16 21 21 ARNU15...

Page 23: ...WUDGHPDUN RI RUS WHUQDO LPHQVLRQV Figure 10 ARNU053SBR4 ARNU073SBR4 ARNU093SBR4 ARNU123SBR4 ARNU153SBR4 Dimensions SB Frame ART COOLTM MIRROR 12 1 8 12 1 8 5 1 16 Air Inlet Grille Front Panel 35 1 4 Display and Signal Receiver 26 5 8 12 7 8 10 7 16 16 5 8 2 13 16 Installation Plate 8 1 8 7 1 2 1 13 16 2 1 16 11 7 16 Access Hole Unit inches Note All measurements have a tolerance of 1 4 in Access Ho...

Page 24: ...RQV SC Frame Figure 11 ARNU183SCR4 ARNU243SCR4 Dimensions ART COOLTM MIRROR Right rear piping Left rear piping Installation Plate Measuring Tape Measuring Tape Hanger Place a level on raised tab Unit Outline 14 1 4 14 1 4 7 1 2 Air Inlet Grille 40 9 16 Front Panel 12 13 16 2 13 16 2 13 16 18 1 8 22 7 16 2 3 4 4 3 16 2 1 4 8 3 16 9 11 16 Access Hole 2 1 16 1 13 16 Display and Signal Receiver Unit i...

Page 25: ...ndoor status CN DISP1 Display Display of indoor status CN CC Dry contact Dry contact line CN 485 Communication Connection between indoor and outdoor units CN REMO Remote controller Remote control line CN EXT1 External ON OFF controller External ON OFF controller connection CN TH1 Return air and inlet pipe thermistor Return air and inlet pipe thermistor connection CN TH2 Outlet pipe thermistor Outl...

Page 26: ...3 SB SC Frame Piping Diagram Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermistor Table 13 SB SC Frame Refrigerant Pipe Connection Port Diameters Table 14 SB SC Frame Thermistors 6 DQG 6 UDPHV Heat Exchanger C F F lndoor unit EEV Filter Filter TH3 TH1 TH2 Heating Cooling Model Liquid inch Vapor inch 6 UDPHV ARNU053SBR4 1 4 Flare 1 2 Flare ARNU073SBR4 ARNU...

Page 27: ... will vary depending on a range of factors including the construction acoustic absorption coefficient of a particular room in which the unit was installed Figure 14 Sound Pressure Measurement Location Table 15 Art Cool Mirror Wall Mounted Indoor Unit Sound Pressure Levels Figure 15 ARNU053SBR4 ARNU073SBR4 and ARNU093SBR4 Sound Pressure Level Diagrams 3 3 ft 3 3 ft Microphone ART COOLTM MIRROR ARNU...

Page 28: ...H ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS Figure 16 ARNU123SBR4 and ARNU153SBR4 Sound Pressure Level Diagrams FRXVWLF DWD 6RXQG 3UHVVXUH HYHOV ART COOLTM MIRROR Figure 17 ARNU183SCR4 and ARNU243SCR4 Sound Pressure Level Diagrams ARNU123SBR4 ARNU153SBR4 ARNU243SCR4 ARNU183SCR4 ...

Page 29: ...nd tested in a reverberation room per ISO 3741 standards Sound level will vary depending on a range of factors such as construction acoustic absorption coefficient of particular area in which the equipment is installed 5HIHUHQFH DFRXVWLF LQWHQVLW G ȝ P2 Table 16 Art Cool Mirror Wall Mounted Indoor Unit Sound Power Levels Model Sound Power Levels dB A High Fan Speed 6 UDPHV ARNU053SBR4 54 0 ARNU073...

Page 30: ...FKDQJH ZLWKRXW QRWL FDWLRQ OHFWURQLFV 8 6 QF QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS FRXVWLF DWD 6RXQG 3RZHU HYHOV ART COOLTM MIRROR Figure 19 ARNU123SBR4 and ARNU153SBR4 Sound Power Level Diagrams Figure 20 ARNU183SCR4 and ARNU243SCR4 Sound Power Level Diagrams ARNU123SBR4 ARNU153SBR4 ARNU243SCR4 ARNU183SCR4 ...

Page 31: ...m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 28 82 4 30 86 32 89 6 34 93 2 28 82 4 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 21 69 8 17 62 6 19 66 2 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 Air velocity m s ft s Temperature C F Air velocity m s ft s Temperature C F 28 82 4 30 86 32 89 6 34 93 2 28 82 4 1 0 3 3 1 5 4 9 1 5 4 9 2 5 8 2 21 69 8 17 62 6 19 66 2 1 0 3 3 1 5 4 9 2 0 6 6 2 5...

Page 32: ...ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 Cooling Discharge angle 15 Heating Discharge angle 40 Air velocity m s ft s Temperature C F 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 3 0 9 8 3 0 1 1 5 21 69 8 19 66 2 17 62 6 Air velocity m s ft s Temperature C F 1 0 3 3 1 5 4 9 2 0 6 6 28 82 4 30 86 32 89 6 34 93 2 32 89 6 30 86 2 7m 8 9ft 2m 6 6ft 1m 3 ...

Page 33: ...t 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 Cooling Discharge angle 10 Heating Discharge angle 30 Air velocity m s ft s Temperature C F Air velocity m s ft s Temperature C F 0 5 1 6 0 5 1 6 1 5 4 9 2 0 6 6 2 5 8 2 3 0 9 8 1 0 3 3 0 5 1 6 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 21 69 8 20 68 18 64 4 30 86 32 89 6 34 93 2 28 82 4 2 7m 8 9ft 2m 6 6ft ...

Page 34: ...perature C F 0 5 1 6 1 0 3 3 1 5 4 9 2 0 6 6 0 5 1 6 0 5 1 6 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 18 64 4 16 60 8 14 57 2 12 53 6 10 50 35 95 34 93 2 34 93 2 32 89 6 32 89 6 44 1 11 2 42 107 6 40 104 38 100 4 38 100 4 36 96 8 36 96 8 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft ...

Page 35: ...5 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 40 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 45 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 50 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 55 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 60 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 6 5 8 65 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 ...

Page 36: ... 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 50 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 55 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 60 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 7 11 2 65 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 4 11 0 70 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19...

Page 37: ...5 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 50 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 55 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 60 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 0 17 3 65 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 30 5 17 0 70 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 3...

Page 38: ... 4 35 0 32 0 8 5 8 5 8 5 8 5 8 4 8 2 7 8 7 4 40 0 36 0 8 8 8 8 8 8 8 8 8 5 8 2 7 8 7 4 45 0 41 0 9 2 9 2 9 2 8 9 8 5 8 2 7 8 7 4 47 0 43 0 9 5 9 4 9 4 8 9 8 5 8 2 7 8 7 4 50 0 46 0 10 2 9 8 9 4 8 9 8 5 8 2 7 8 7 4 55 0 51 0 10 4 9 9 9 4 8 9 8 5 8 2 7 8 7 4 60 0 56 0 10 4 9 9 9 4 8 9 8 5 8 2 7 8 7 4 ARNU093SBR4 9 6 4 4 4 7 3 7 3 7 3 7 3 7 2 7 2 7 2 7 2 0 0 4 7 5 7 5 7 5 7 5 7 5 7 4 7 4 7 4 5 0 4 5 ...

Page 39: ...3SCR4 19 1 4 4 4 14 4 14 4 14 4 14 4 14 2 14 2 14 2 14 2 0 0 4 14 8 14 8 14 8 14 8 14 8 14 6 14 6 14 6 5 0 4 5 16 8 16 6 16 3 16 3 16 3 16 3 16 3 16 3 10 0 9 0 17 4 17 4 17 4 17 2 17 2 17 2 17 2 17 2 15 0 14 0 18 5 18 5 18 5 18 5 18 5 18 5 18 3 18 1 20 0 19 0 19 6 19 6 19 6 19 6 19 1 19 1 18 8 18 6 25 0 23 0 20 4 20 4 20 4 20 4 20 4 20 0 19 8 18 8 30 0 28 0 20 9 20 9 20 9 20 9 20 9 20 4 19 8 18 8 ...

Page 40: ...ll Mounted Indoor Unit 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 ...

Page 41: ...2 General Data on page 43 Electrical Data on page 45 External Dimensions on page 46 Electrical Wiring Diagram on page 49 Refrigerant Flow Diagrams on page 51 Acoustic Data on page 52 Air Velocity Temperature Distribution on page 56 Capacity Tables on page 61 ...

Page 42: ...essor control provides the following functions auto addressing self diagnostics auto restart following power restoration test run and will operate the indoor unit using one of five operation modes 1 Auto Changeover Heat Recovery only 2 Heating 3 Cooling 4 Dry 5 Fan Only For Heat Recovery systems the Auto Changeover setting automatically switches control of the indoor unit between Cooling and Heat ...

Page 43: ... section 608 of CAA 3 Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745 4 All communication cable to be minimum 18 AWG 2 conductor stranded shielded and must comply with applicable and national code Ensure the communication cable is properly grounded at the master outdoor unit only Do not ground the ODU IDU communication cable at any other point Model No ARNU053SBL4 A...

Page 44: ... 1 2 Flare 5 8 Flare 5 8 Flare 5 8 Flare Condensate Line in I D 5 8 5 8 5 8 5 8 STANDARD WALL MOUNTED General Data EEV Electronic Expansion Valve Power wiring is field supplied and must comply with the applicable local and national codes This unit comes with a dry nitrogen charge This data is rated 0 ft above sea level with 25 ft of refrigerant line per indoor unit and a 0 ft level difference betw...

Page 45: ...limits Select wire size based on the larger MCA value Instead of a fuse use the circuit breaker Model Number Voltage Range MCA MOP Rated Amps A Power Supply Power Input W Hz Volts Phase Cooling Heating 6 UDPHV ARNU053SBL4 187 253 0 2 15 0 16 60 208 230 1 21 0 21 0 ARNU073SBL4 0 2 0 16 21 0 21 0 ARNU093SBL4 0 2 0 16 21 0 21 0 ARNU123SBL4 0 2 0 16 21 0 21 0 ARNU153SBL4 0 2 0 16 21 0 21 0 6 UDPHV ARN...

Page 46: ...LVWHUHG WUDGHPDUN RI RUS STANDARD WALL MOUNTED WHUQDO LPHQVLRQV Figure 28 ARNU053SBL4 ARNU073SBL4 ARNU093SBL4 ARNU123SBL4 ARNU153SBL4 Dimensions SB Frame Display and Signal Receiver Front Panel Air Inlet Grille Installation Plate Access Hole 11 7 16 2 8 5 16 1 13 16 35 1 4 13 7 16 12 3 4 5 1 16 1 1 2 31 1 8 8 1 16 26 5 8 12 7 8 16 5 8 10 7 16 2 13 16 Unit inches Note All measurements have a tolera...

Page 47: ...QDO LPHQVLRQV SC Frame Figure 29 ARNU183SCL4 ARNU243SCL4 Dimensions Display and Signal Receiver Front Panel Air Inlet Grille Installation Plate Access Hole 9 7 8 40 9 16 12 13 16 8 5 16 2 13 16 2 3 4 2 1 4 Right rear piping Left rear piping Installation Plate Measuring Tape Measuring Tape Hanger Place a level on raised tab Unit Outline 8 3 16 4 3 16 18 1 8 22 1 2 2 13 16 Unit inches Note All measu...

Page 48: ...igure 30 ARNU303SVA4 ARNU363SVA4 Dimensions 1 Unit should be installed in compliance with the installation manual in the product box 2 Unit shall be grounded in accordance with the local regulations or applicable national codes 3 The Unit is powered from the outdoor unit Therefore power cable should be connected with the outdoor unit Note 3 2 1 Left rear piping Right rear piping 1 11 16 5 1 2 5 29...

Page 49: ...9 DWHU 9 0XOWL 9 6 QJLQHHULQJ 0DQXDO IRU DGGLWLRQDO LQIRUPDWLRQ PCB Connection Purpose Function CN POWER AC Power supply AC Power line input for indoor controller CN MOTOR Fan motor output Motor output of BLDC CN HVB Air cleaner Air cleaner control CN LEV EEV output EEV control output CN U D Step motor Step motor output CN DISP2 Display Display of indoor status CN DISP1 Display Display of indoor s...

Page 50: ...RU DGGLWLRQDO LQIRUPDWLRQ PCB Connection Purpose Function CN POWER AC Power supply AC Power line input for indoor controller CN MOTOR Fan motor output Motor output of BLDC CN LEV EEV output EEV control output CN U D Step motor Step motor output CN DISP2 Display Display of indoor status CN DISP1 Display Display of indoor status CN CC Dry contact Dry contact line CN 485 Communication Connection betw...

Page 51: ... Model Liquid inch Vapor inch 6 UDPHV ARNU053SBL4 1 4 Flare 1 2 Flare ARNU073SBL4 ARNU093SBL4 ARNU123SBL4 ARNU153SBL4 6 UDPHV ARNU183SCL4 1 4 Flare 1 2 Flare ARNU243SCL4 3 8 Flare 5 8 Flare 69 UDPHV ARNU303SVA4 3 8 Flare 5 8 Flare ARNU363SVA4 Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermistor Table 27 SB SC SV Frame Refrigerant Pipe Connection Port Diam...

Page 52: ...Hz 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 Figure 34 Sound Pressure Measurement Location Model Sound Pressure Levels dB A High Fan Speed Medium Fan Speed Low Fan Speed 6 UDPHV ARNU053SBL4 30 0 29 0 28 0 ARNU073SBL4 32 0 30 0 28 0 ARNU093SBL4 34 0 31 0 30 0 ARNU123SBL4 40 0 ...

Page 53: ...JOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS Figure 36 ARNU123SBL4 ARNU153SBL4 and ARNU183SCL4 Sound Pressure Level Diagrams Figure 37 ARNU243SCL4 ARNU303SVA4 and ARNU363SVA4 Sound Pressure Level Diagram STANDARD WALL MOUNTED FRXVWLF DWD 6RXQG 3UHVVXUH HYHOV ARNU123SBL4 ARNU153SBL4 ARNU183SCL4 ARNU183SCL4 ARNU363SVA4 ARNU303SVA4 ...

Page 54: ...nd tested in a reverberation room per ISO 3741 standards Sound level will vary depending on a range of factors such as construction acoustic absorption coefficient of particular area in which the equipment is installed 5HIHUHQFH DFRXVWLF LQWHQVLW G ȝ P2 Table 30 Standard Wall Mounted Indoor Unit Sound Power Levels Model Sound Power Levels dB A High Fan Speed 6 UDPHV ARNU053SBL4 54 0 ARNU073SBL4 54...

Page 55: ...F QJOHZRRG OLIIV 1 OO ULJKWV UHVHUYHG LV D UHJLVWHUHG WUDGHPDUN RI RUS STANDARD WALL MOUNTED FRXVWLF DWD 6RXQG 3RZHU HYHOV Figure 39 ARNU123SBL4 ARNU153SBL4 and ARNU183SCL4 Sound Power Level Diagrams Figure 40 AARNU243SCL4 ARNU303SVA4 and ARNU363SVA4 Sound Power Level Diagrams ARNU123SBL4 ARNU153SBL4 ARNU183SCL4 ARNU243SCL4 ARNU363SVA4 ARNU303SVA4 ...

Page 56: ...0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 28 82 4 30 86 32 89 6 34 93 2 28 82 4 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 21 69 8 17 62 6 19 66 2 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 Air velocity m s ft s Temperature C F Air velocity m s ft s Temperature C F 28 82 4 30 86 32 89 6 34 93 2 28 82 4 1 0 3 3 1 5 4 9 1 5 4 9 2 5 8 2 21 69 8 17 62 6 19 66 2 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 2 7m 8 9ft 2m 6 6ft 1...

Page 57: ...3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 Cooling Discharge angle 15 Heating Discharge angle 40 Air velocity m s ft s Temperature C F 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 3 0 9 8 3 0 1 1 5 21 69 8 19 66 2 17 62 6 Air velocity m s ft s Temperature C F 1 0 3 3 1 5 4 9 2 0 6 6 28 82 ...

Page 58: ... 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 Cooling Discharge angle 10 Heating Discharge angle 30 Air velocity m s ft s Temperature C F Air velocity m s ft s Temperature C F 0 5 1 6 0 5 1 6 1 5 4 9 2 0 6 6 2 5 8 2 3 0 9 8 1 0 3 3 0 5 1 6 1 0 3 3 1...

Page 59: ...ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0 Cooling Discharge angle 10 Heating Discharge angle 30 Figure 48 ARNU303SVA4 Cooling Heating Temperature C F 0 8m 26 2ft 7m 23ft 6m 20ft 0 0 0 28 82 4 30 86 32 89 6 Temperature C F 0 0 0 0 22 71 6 20 68 Discharge angle 25 Discharge angle 35 Air velocity m s ft s Air ...

Page 60: ...e angle 25 Discharge angle 35 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 8m 26 2ft 7m 23ft 6m 20ft 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 8m 26 2ft 7m 23ft 6m 20ft 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 8m 26 2ft 7m 23ft 6m 20ft 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 8m 26 2ft 7m 23ft 6m 20ft 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 2 7m 8 9ft 2m 6 6ft ...

Page 61: ...5 9 8 9 5 8 9 7 5 8 35 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 40 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 45 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 50 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 55 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 60 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 6 5 8 65 4 9 4 2 6 0 4 8 6 8 5 1...

Page 62: ... 45 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 50 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 55 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 60 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 7 11 2 65 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 4 11 0 70 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 ...

Page 63: ... 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 38 8 22 9 45 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 38 8 22 9 50 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 38 8 22 9 55 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 38 8 22 9 60 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 38 4 22 8 65 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22...

Page 64: ...2 8 2 8 2 8 1 7 8 7 4 35 0 32 0 8 5 8 5 8 5 8 5 8 4 8 2 7 8 7 4 40 0 36 0 8 8 8 8 8 8 8 8 8 5 8 2 7 8 7 4 45 0 41 0 9 2 9 2 9 2 8 9 8 5 8 2 7 8 7 4 47 0 43 0 9 5 9 4 9 4 8 9 8 5 8 2 7 8 7 4 50 0 46 0 10 2 9 8 9 4 8 9 8 5 8 2 7 8 7 4 55 0 51 0 10 4 9 9 9 4 8 9 8 5 8 2 7 8 7 4 60 0 56 0 10 4 9 9 9 4 8 9 8 5 8 2 7 8 7 4 ARNU093SBL4 9 6 4 4 4 7 3 7 3 7 3 7 3 7 2 7 2 7 2 7 2 0 0 4 7 5 7 5 7 5 7 5 7 5 7...

Page 65: ... 5 21 5 21 5 21 5 21 3 20 9 19 8 18 8 40 0 36 0 22 4 22 4 22 4 22 4 21 5 20 9 19 8 18 8 45 0 41 0 23 2 23 2 23 2 22 6 21 5 20 9 19 8 18 8 47 0 43 0 24 1 23 9 23 7 22 6 21 5 20 9 19 8 18 8 50 0 46 0 25 8 24 7 23 7 22 6 21 5 20 9 19 8 18 8 55 0 51 0 26 3 24 9 23 7 22 6 21 5 20 9 19 8 18 8 60 0 56 0 26 3 24 9 23 7 22 6 21 5 20 9 19 8 18 8 ARNU243SCL4 24 2 4 4 4 18 3 18 3 18 3 18 3 18 0 18 0 18 0 18 0...

Page 66: ...4 25 5 25 5 25 5 25 5 25 5 25 2 25 2 25 2 5 0 4 5 28 9 28 5 28 1 28 1 28 1 28 1 28 1 28 1 10 0 9 0 30 0 30 0 30 0 29 6 29 6 29 6 29 6 29 6 15 0 14 0 31 8 31 8 31 8 31 8 31 8 31 8 31 5 31 1 20 0 19 0 33 7 33 7 33 7 33 7 32 9 32 9 32 4 32 0 25 0 23 0 35 2 35 2 35 2 35 2 35 2 34 4 34 0 32 4 30 0 28 0 35 9 35 9 35 9 35 9 35 9 35 2 34 0 32 4 35 0 32 0 37 0 37 0 37 0 37 0 36 6 35 9 34 0 32 4 40 0 36 0 3...

Page 67: ...GUIDELINES Selecting the Best Location on page 68 General Mounting on page 69 General Drain Piping Information on page 71 Wiring Guidelines on page 73 Wired Remote Controller Location on page 75 Acronyms on page 76 ...

Page 68: ...posed to Unconditioned Air In some installation applications areas floors walls in some rooms may be exposed to unconditioned air room may be above or next to an unheated garage or storeroom To countermeasure Verify that carpet is or will be installed carpet may increase the temperature by three 3 degrees Add insulation between the floor joists Install radiant heat or another type of heating syste...

Page 69: ...se to the left right or rear of the frame If installing piping on the right side of the Gallery indoor unit frame first press on the top of the clamp and them slowly guide the piping downward Then bend the piping to the right side of the indoor unit frame 2 Bundle the piping and drain hose with tape where they meet near the indoor unit frame Position the drain hose at the bottom of the bundle posi...

Page 70: ...ts have several options on how the piping and wiring can be routed see figures below Whichever way the piping and wiring are routed out of the indoor units the mounting wall on which the indoor unit is installed should be strong and solid enough to protect it from vibration Mount the installation plate on the wall using the Type A screws If mounting the unit on concrete consider using anchor bolts...

Page 71: ...If connecting to a vertical drain line or plumbing system vent line FRQQHFW WKH 8 FRQGHQVDWH SXPS GLVFKDUJH OLQH XVLQJ D WWLQJ ZLWK WKH GRXEOH HQG RI WKH WWLQJ IDFLQJ XS KHQ FRQQHFWLQJ WR a vertical drain line include an inverted trap at the top of the IDU con GHQVDWH SXPS GLVFKDUJH ULVHU EHIRUH FRQQHFWLRQ WR WKH WWLQJ Drain Piping Drain piping must have down slope 1 50 to 1 100 Any holes through ...

Page 72: ...ll a trap in the condensate lines as near to the indoor unit coil as possible To prevent overflow the outlet of each trap should be positioned below its connection to the condensate pan All traps should be primed insulated and leak tested if located above an inhabited space Figure 63 Example of a Common Indoor Unit Drainage System APPLICATION GUIDELINES General Drain Piping Information Common hori...

Page 73: ... cable is properly grounded at the master outdoor unit only Do not ground the ODU IDU communication cable at any other point 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 gap contact separation of at least 1 8 inch in each active phase conductor Any openings where the field wiring ...

Page 74: ...appropriate terminal on the indoor unit control board Verify that the color and terminal numbers from the outdoor unit or heat recovery unit Heat Recovery systems only wiring match the color and terminal numbers on the indoor unit 3 Secure the power wiring communications cable to the control board If a control board cover is present reattach it Indoor Unit Terminal Block 1 L Power Input 208 230V 6...

Page 75: ... 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 chimneys An area where temperatures are uncontrolled such as an outsid...

Page 76: ...igitally Controlled MCA Minimum Circuit Ampacity BTL BACnet Testing Laboratories mm Millimeter Btu h British Thermal Unit per Hour MOP Maximum Overcurrent Protection CAA Clean Air Act OD Outside Diameter CFM Cubic Feet per Minute ODU Outdoor Unit CFR Code of Federal Regulations PI Power Input DB Dry Bulb PTAC Packaged Terminal Air Conditioner dB A Decibels with A frequency weighting SHC Sensible H...

Page 77: ...llMounted_IndoorUnits_05_15 EM MultiV WallMounted IndoorUnits 04 15 LG Electronics Commercial Products Support 1 888 865 3026 USA Follow the prompts for commercial A C products LG Electronics U S A Inc Commercial Air Conditioning Division 4300 North Point Parkway Alpharetta Georgia 30022 www lg vrf com ...

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