LEGEND

1

Fan Side Panel

10

Holddown Screws

2

Fan Access Door

11

Coil

3

Screws

12

Holddown Screws

4

Angle

13

Left Support Panel

5

Baffle Screws

14

Inside Baffle

6

Piping

15

Accessory Side Panel

7

Right Side Panels

16

Left Side Panels

8

Right Support Panel

17

Rear Panel

9Condensate Baffle

Fig. 39 — Vertical Unit Slant Coil Removal (39LD Units — Sizes 03-21)

HORIZONTAL OR VERTICAL UNIT — DUAL COIL REMOVAL (39LA,39LD units — size 25) — (NOTE: Item numbers are in Fig. 40 unless otherwise indicated.)

1.Refer to Fig. 4 for service area requirements.

2.Disconnect piping (Item 5).

3.Horizontal Unit, 39LA — On top panel (Item 3) remove screws located directly above side panels (Items 2 and 6). Top panels may be removed from unit to provide more workspace, but it is not required.

Vertical Unit, 39LD — Through fan access door (Item 2, Fig. 39), remove screws (Item 3, Fig. 39) holding angle (Item 4, Fig. 39) to top of coil panels (Item 7, Fig. 39).

Remove rear panel (Item 17, Fig. 39) and remove baffle angle screws (Item 4) holding top baffle to coil.

4.Remove side panel(s) (Item 6).

NOTE: Vertical units may require support of fan section after removal of side panels.

5.If accessory is present, remove accessory side panel (Item

1)on left side of unit. Detach filter track support bracket if upstream accessory is a filter.

6.Remove screws from horizontal baffle (Item 8). Leave baffle attached to upper condensate pan (Item 9).

7.Remove screws from inside baffles (Item 7). Leave baffles attached to left side panel (Item 2).

8.Slide coils and header and baffles from unit.

9.Replace coils by reversing proceeding Steps 1-8.

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Carrier 39LB, 39LA, 39LC, 39LE, 39LF, 39LH03-25, 39LG specifications Vertical Unit Slant Coil Removal 39LD Units Sizes

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.