Carrier 39LE, 39LB, 39LD, 39LA, 39LC, 39LF, 39LH03-25, 39LG Direct Expansion Coil Circuiting Data

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Table 7 — Direct Expansion Coil Circuiting Data

LARGE FACE AREA (39LA, 39LD)

UNIT SIZE

 

03

 

 

06

 

 

08

 

 

10

 

 

12

CIRCUITING TYPE

Qtr

Half

Full

Qtr

Half

Full

Qtr

Half

Full

Qtr

Half

Full

Half

 

Full

CFM AT 550 FPM

 

1996

 

 

3245

 

 

4345

 

 

5247

 

6149

FACE AREA (sq ft)

 

3.63

 

 

5.90

 

 

7.90

 

 

9.54

 

11.18

TUBE FACE

 

16

 

 

20

 

 

24

 

 

24

 

 

24

TUBE LENGTH (in.)

 

26.1

 

 

34.0

 

 

37.9

 

 

45.8

 

53.7

NUMBER OF CIRCUITS

4

8

16

—

10

20

—

12

24

—

12

24

12

 

24

NUMBER OF TXVs

2

2

2

—

2

2

—

2

2

—

2

2

2

 

2

NUMBER OF CIRCUITS/TXV†

2

4

8

—

5

10

—

6

12

—

6

12

6

 

12

SUCTION CONNECTIONS

7/8

11/8

13/8

—

11/8

13/8

—

11/8

15/8

—

11/8

15/8

11/8

 

15/8

(in. OD)

 

DISTRIBUTOR CONNECTIONS

7/8

7/8

11/8

—

7/8

11/8

—

7/8

15/8

—

7/8

15/8

7/8

 

11/8

(in. OD)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-ROW COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit Equivalent Length (ft)

52

26

—

—

32

—

—

34

18

—

40

20

45

 

23

Distributor Tube Length (in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Face Split

11

11

—

—

11

—

—

13

15

—

13

15

13

 

15

Row Split

13

15

—

—

16

—

—

18

18

—

18

18

18

 

18

Distributor Nozzle Size**

2

2

—

—

3

—

—

4

4

—

5

5

6

 

6

6-ROW COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit Equivalent Length (ft)

—

39

20

—

47

24

—

51

26

—

59

30

67

 

34

Distributor Tube Length (in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Face Split

—

11

11

—

11

13

—

13

15

—

13

15

13

 

15

Row Split

—

15

16

—

16

18

—

18

21

—

18

21

18

 

21

Distributor Nozzle Size**

—

2

3

—

3

3

—

4

4

—

5

5

6

 

6

LARGE FACE AREA (39LA, 39LD)

UNIT SIZE

15

 

 

18

 

21

 

 

 

 

 

 

25

 

 

 

CIRCUITING TYPE

Half

 

Full

Half

 

Full

Half

Full

 

Double

Half

 

Full

Double

CFM AT 550 FPM

8200

9740

 

11,880

 

 

 

 

13,750

 

 

 

FACE AREA (sq ft)

14.91

17.71

 

21.6

 

 

 

 

 

25.0

 

 

 

TUBE FACE

32

 

 

38

 

38

 

 

 

 

 

22U-22L

 

 

 

TUBE LENGTH (in.)

53.7

 

53.7

 

65.5

 

 

 

 

 

65.5

 

 

 

NUMBER OF CIRCUITS

16

 

32

19

 

38

19

38

 

—

 

22

 

44

 

88

NUMBER OF TXVs

2

 

4*

2

 

4*

2

4*

 

—

2

 

2

2

 

2

4

 

4

NUMBER OF CIRCUITS/TXV†

8

 

8

9-10

 

9-10

9-10

9-10

 

—

5-6

 

5-6

11

 

11

11

 

11

SUCTION CONNECTIONS

13/8

 

13/8

13/8

 

13/8

13/8

11/8

 

—

11/8

 

11/8

13/8

 

13/8

15/8

 

15/8

(in. OD)

 

 

 

 

 

 

DISTRIBUTOR CONNECTIONS

11/8

 

11/8

11/8

 

11/8

11/8

11/8

 

—

7/8

 

7/8

13/8

 

13/8

13/8

 

13/8

(in. OD)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-ROW COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit Equivalent Length (ft)

45

 

23

45

 

23

54

26

 

—

54

 

54

26

 

26

—

 

—

Distributor Tube Length (in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Face Split

15

 

16

16

 

16

16

163/4

 

—

12

 

12

15

 

15

—

 

—

Row Split

26

 

16

28

 

16

28

163/4

 

—

21

 

21

23

 

23

—

 

—

Distributor Nozzle Size**

8

 

4

10

 

5

10

5

 

—

8

 

8

5

 

5

—

 

—

6-ROW COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit Equivalent Length (ft)

67

 

34

67

 

34

81

40

 

—

—

 

—

40

 

40

—

 

—

Distributor Tube Length (in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Face Split

15

 

16

16

 

18

16

181/2

 

—

—

 

—

15

 

15

—

 

—

Row Split

23

 

16

28

 

18

28

181/2

 

—

—

 

—

22

 

22

—

 

—

Distributor Nozzle Size**

8

 

4

10

 

5

10

5

 

—

—

 

—

5

 

5

—

 

—

LEGEND

AHU — Air-Handling Unit Selection Program

TXV — Thermostatic Expansion Valve (Field-supplied)

*May be field manifolded for either face split or row split.

†Where each TXV has the same number of circuits, that number is shown once. When coil has an uneven number of circuits per TXV, both values are shown.

**Factory-supplied distributors have factory-selected nozzle sizes shown. If necessary, replace factory-supplied nozzles with field- supplied and installed nozzles. Consult Electronic Catalog AHU selection program for correct nozzle selection.

††Not available on 39LB units.

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Contents Contents → Safety ConsiderationsIntroduction Unit IdentificationPage Preinstallation Service Area Requirements SizePhysical Data Unit SizeUnit Rigging Details Installation Mixing BoxMixing Box Damper Operating Torque In.-lb 39L Unit Size TorqueRecommended Actuators Page Install Sheaves on Motor and Fan Shafts IGV Actuator Bracket InstallationDetermining Sheave-Shaft Overhang Belt Small Deflection Force LB Sheave CrossPD Range SectionWater and Steam Coil Piping Recommendations Coil Freeze-Up ProtectionLow, Medium or High Pressure Coil Piping Dripping Steam Supply to Condensate Return Chilled Water Coil Circuiting Data Steam Coil Connection Sizes Face Split Coil Suction Line Piping Direct Expansion Coil Circuiting Data Small Face Area 39LB, 39LC, 39LF Unit Size Circuiting Type ROW COIL††Side Connector Hot Gas Bypass Data Distributor Part Numbers= 1.68 x .33 x Face Split Coil Manifolding Typical Electric Heater Installation Typical Electric Heater Wiring Schematic Electric Heater Data Steps FLAWire Size Load Amps Fan Discharge Positions, Fans without IGVsSTART-UP Bolt Size TorqueService Fan Motor ReplacementCoil Cleaning GeneralField-Installed Coils 39LA,LD Only Coil RemovalHorizontal Unit Slant Coil Removal 39LA Units Sizes Vertical Unit Slant Coil Removal 39LD Units Sizes Page Changing Coil Hand DX and ALL Water Coils Steam Coils Only FiltersFan Shaft Bearing Removal Filter Data Filter Arrangement, 2-in. and 4-in. FlatLubrication Lubricant DataManufacturer Lubricant 39L Unit Size Cutoff Cutoff ClearanceMetric Conversion Chart Copyright 2004 Carrier Corporation

39LG, 39LH03-25, 39LD, 39LE, 39LB specifications

The Carrier 39 series, encompassing models 39LA, 39LF, 39LC, 39LB, and 39LE, represents a prominent line of rooftop packaged units that combine robust performance, energy efficiency, and advanced technology for commercial applications. Designed to provide reliable heating and cooling solutions, these units stand out for their versatility and innovative features.

The 39LA model offers high efficiency and flexibility, making it ideal for various building types. It incorporates advanced economizer capabilities that enhance indoor air quality while reducing energy costs. The unit is equipped with a dual-walled cabinet, which not only improves durability but also ensures quiet operation, making it suitable for noise-sensitive environments.

The 39LF model further enhances energy savings, featuring a unique hybrid heat pump system. This system allows for both heating and cooling through an integrated design, reducing the need for separate systems and streamlining maintenance requirements. The 39LF also boasts high Seasonal Energy Efficiency Ratio (SEER) ratings, contributing to lower operating costs without compromising comfort.

The 39LC variant excels in humid climates, employing advanced dehumidification technologies that effectively manage indoor moisture levels. This model is often utilized in environments such as gyms, restaurants, and hotels where humidity control is vital. Its variable-speed compressors adjust output based on demand, optimizing energy consumption while maintaining consistent comfort levels.

The 39LB model focuses on enhanced filtration and air quality improvements. Its engineered design accommodates high-efficiency particulate air (HEPA) filters, crucial for spaces that require stringent air quality standards. This model also includes smart controls that allow for precise temperature adjustments, ensuring optimal comfort in any setting.

Finally, the 39LE unit emphasizes user-friendly interfaces and smart technology integration. The built-in Wi-Fi capability enables remote monitoring and operation, allowing managers to adjust settings from anywhere, improving overall energy management. Additionally, the 39LE’s compatibility with Building Management Systems (BMS) facilitates seamless integration into existing setups.

In summary, the Carrier 39 series 39LA, 39LF, 39LC, 39LB, and 39LE present a comprehensive array of features designed for various commercial heating and cooling applications. With an emphasis on energy efficiency, advanced air quality management, and user-friendly technology, these units continue to set the standard for rooftop packaged units in the industry. Their innovative characteristics not only enhance comfort but also promote sustainability, making them a smart choice for modern commercial environments.
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