Carrier 39LA, 39LB, 39LD, 39LC, 39LE, 39LF, 39LH03-25, 39LG specifications

Page 34

 

 

 

LEGEND

1

—

Accessory Side Panel

6

— Right Side Panels

2

—

Left Side Panel

7

— Inside Baffle

3

—

Top Panels

8

— Horizontal Baffle

4

—

Baffle Angle Screws

9

— Upper Condensate Pan

5

—

Piping

10

— Baffle Screw

Fig. 40 — Horizontal or Vertical Unit — Dual Coil Removal (39LA,LD Units, Sizes 25)

HORIZONTAL OR VERTICAL UNIT — VERTICAL COIL REMOVAL (39LB,LC,LF,LH Units) — Item numbers are in Fig. 41 unless otherwise indicated.

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

2.Disconnect piping (Item 6).

3.Horizontal Unit, 39LB and 39LC — On top panel (Item 4) remove screws located directly above side panels (Items 2 and 7). Top panels may be removed from unit to provide more workspace, but it is not required.

Vertical Unit, 39LF and 39LH — 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 5) holding top baffle to coil.

4.Remove side panel(s) (Item 7).

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 (Item 8) from inside baffle (Item 3). Leave baffle attached to left side panel (Item 2).

7.Slide coil and header end baffle from unit.

8.Replace coil by reversing preceding Steps 1-7.

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Contents Contents → Safety ConsiderationsIntroduction Unit IdentificationPage Preinstallation Service Area Requirements SizePhysical Data Unit SizeUnit Rigging Details Mixing Box Damper Operating Torque In.-lb InstallationMixing Box 39L Unit Size TorqueRecommended Actuators Page Install Sheaves on Motor and Fan Shafts IGV Actuator Bracket InstallationDetermining Sheave-Shaft Overhang PD Range Belt Small Deflection Force LB SheaveCross 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 TorqueCoil Cleaning ServiceFan Motor Replacement 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 Fan Shaft Bearing Removal FiltersDX and ALL Water Coils Steam Coils Only Filter Data Filter Arrangement, 2-in. and 4-in. FlatManufacturer Lubricant LubricationLubricant Data 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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