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

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PREINSTALLATION

1.Check items received against packing list. Notify Carrier of any discrepancy.

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

3.To transfer unit from truck to storage site, refer to rigging details in Fig. 5 and section on unit rigging for proper handling. See Table 1 for component weights.

If a fork lift truck is used, lift only from heavy end of skid. Minimum recommended fork length is 48 inches.

4.Do not stack unit components or accessories during stor- age. Stacking can cause damage or deformation.

5.If unit is to be stored for more than 2 weeks prior to in- stallation, observe the following precautions:

a.Choose a dry storage site that is reasonably level and sturdy to prevent undue stress or permanent damage to the unit structure or components. Do not store unit on vibrating surface. Damage to station- ary bearings can occur. Set unit off ground if in heavy rain area.

b.Remove all fasteners and other small parts from jobsite to minimize theft. Tag and store parts in a safe place until needed.

c.Cover entire unit with a tarp or plastic coverall. Extend cover under unit if stored on ground. Secure cover with adequate tiedowns or store indoors. Be sure all coil connections have protec- tive shipping caps.

d.Monthly — Remove tarp from unit, enter fan section through access door or through fan inlet, and rotate fan and motor slowly by hand to redis- tribute the bearing grease and to prevent bearing corrosion.

Rigging (Fig. 5) — All 39L units can be rigged by means of the lifting brackets on bottom of unit.

Units are shipped fully assembled. Do not remove shipping skids or protective covering until unit is ready for final place- ment. Use slings and spreader bars as applicable to lift unit. Do not lift unit by coil connections or headers.

Do not remove protective caps from coil piping connections until ready to connect piping.

Do not remove protective cover or grease from fan shaft un- til ready to install sheave.

Lay rigid temporary protection such as plywood walkways in unit to prevent damage to insulation or bottom panel during installation.

Suspended Units — Figure 6 shows overhead suspen- sion of unit using optional factory-supplied suspension channels.

Each support channel consists of 2 pieces, the smaller of which fits inside the larger one. This allows the channel to be adjusted to the required length for installation.

Channels are shipped on top of the unit. The 2 sections of each channel are shipped one inside the other, and are held in place during shipping by the panel screws in the top panel.

Hardware required for installation of suspension channels is shipped in a package inside the fan section.

At least 2 suspension channels are shipped with each fan and coil unit. One or more extra channels will be supplied depending on the number of accessories ordered. Be sure to install all the suspension channels shipped with a unit. Refer to 39L Isolator Mounting (Suspended Unit) certified drawing for details.

To install suspension channels:

1.Remove panel screws to free suspension channels for in- stallation. Replace screws in top panel.

2.Adjust channel to required length by sliding one channel section inside the other. The channel must extend at least 9 in. but not more than 12 in. beyond the edge of the unit. Set length of channel by installing factory-supplied bolts through the overlapping channel sections.

3.Mount unit to suspension channel using factory-supplied nuts and bolts through 7/16-in. diameter holes in unit lift- ing bracket.

4.Install field-supplied suspension rods through 9/16-in. di- ameter holes provided at outer edges of channel. Be sure hanger rods are securely fastened in place.

Service Clearance — Provide adequate space for unit service access (fan shaft and coil removal, filter removal, mo- tor access, damper linkage access, etc.) as shown in Fig. 4.

Condensate Drain — To prevent excessive build-up of condensate in drain pan, adequate trap clearance must be pro- vided beneath the unit as indicated in Fig. 7. See Installation, Condensate Drain section (page 8) for additional details.

External Vibration Isolators — Install vibration iso- lators per certified drawings, and in accordance with the job specifications and the instructions of the vibration isolator manufacturer. The coil piping must be isolated or have a flexi- ble connection to avoid coil header damage because of unit motion. A flexible connection should be installed at the fan dis- charge.

Figure 6 shows isolation location for floor mounting or overhead suspension of unit.

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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 Fan Shaft Bearing Removal FiltersDX and ALL Water Coils Steam Coils Only 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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