„ELECTRICAL SUPPLY AND CONNECTIONS —

Check to be sure that the electrical service to the unit meets all local and national electrical codes. Unit elec- trical data is shown in the unit data label, located on the inside of the cabinet in the upper lefthand corner. Review this label before initiating electrical service. Voltage range of power supply to unit should be 105 to 125 volts. Refer to Table 2 for unit data.

NOTE: Other motors or heavy appliances should not be used on the same circuit with the cooler.

See Figure 1 for location of service cord.

Before servicing unit, disconnect electrical service. On sizes 1100L and 1300L, turn disconnect switch (located on power cord) to the OFF position. Failure to disconnect electrical service could result in elec- trical shock and cause personal injury or death.

If an extension cord is necessary, use only three- wire grounding type. The use of ungrounded cords or overloaded circuit voids compressor warranty.

INITIAL START-UP

„POWER SUPPLY — Connect unit to power supply. On sizes 1100L and 1300L, turn disconnect switch to the ON position. Check to verify that the compressor, lamp, and fans are running.

IMPORTANT: Low line voltage is often the cause of service complaints. Check to see that the line volt- age is within specified range with the unit running.

„TEMPERATURE CONTROL — The temperature control knob is located in the front power panel. See Figure 9. Unit is factory set at the number 4 position (normal), which will maintain the product at approxi- mately 38 F. For colder temperature, turn the black adjustment knob to a higher setting. Adjust tempera- ture control in small increments, one position at a time.

Allow 24 hours between temperature control adjust- ments. Excessive tampering with temperature con- trol could lead to service difficulties.

NOTE: For operation above 3,000-ft altitude, ther- mostat should be adjusted by a qualified service

TABLE 2 — UNIT DATA

UNIT

MC260,

MC750

MC1100,

MC300

MC1300

 

 

Voltage

 

 

 

Nominal

115

115

115

Range

105-125

105-125

105-125

Frequency

60

60

60

Total Amps

4.6

8.9

10.6

Refrigerant Type

R-134A

R-134A

R-134A

Charge Amount (oz)

4.3

7.5

14.5

Design Pressure

 

 

 

High Side (psig)

220

265

222

Low Side (psig)

88

93

88

technician.

a79-9

TEMPERATURE CONTROL KNOB

FIGURE 9 — TEMPERATURE CONTROL KNOB

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Carrier 1300L, 260L owner manual Initial START-UP, „ Electrical Supply and Connections, Unit Data
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1300L, 260L specifications

The Carrier 260L and 1300L represent notable advancements in the realm of air conditioning systems, particularly designed for both commercial and industrial applications. These models are renowned for their efficiency, robust performance, and the integration of cutting-edge technologies.

The Carrier 260L is characterized by its remarkable energy efficiency, with a focus on reducing operational costs while maintaining optimal cooling performance. It is available in various capacities, making it suitable for a wide range of spaces, from medium-sized commercial installations to large-scale industrial facilities. The model incorporates advanced inverter technology, enabling it to adjust the compressor speed according to the cooling demand. This results in both energy savings and enhanced comfort, as the system can maintain a stable temperature with minimal fluctuations.

In contrast, the Carrier 1300L is tailored for larger industrial applications, offering even greater cooling capacities. This model is designed to tackle high thermal loads, making it ideal for factories, warehouses, and other large spaces where cooling requirements can fluctuate significantly. The 1300L also features robust construction principles, ensuring reliability and longevity even in demanding environments.

Both models share several key features that elevate their performance. They are equipped with eco-friendly refrigerants, aligning with global sustainability efforts. The units boast sophisticated control systems that allow for precise temperature management, remote monitoring, and integration with building management systems. This not only enhances user convenience but also promotes energy management strategies that are increasingly critical in today's energy-conscious world.

Moreover, the Carrier 260L and 1300L are designed with ease of maintenance in mind. Their modular components facilitate quicker access for service technicians, ensuring minimal downtime. Enhanced filtration systems improve indoor air quality, capturing dust and other particulates effectively, which is a key consideration in commercial settings.

In summary, Carrier's 260L and 1300L models stand out for their energy efficiency, advanced technology integration, and user-friendly features. They effectively meet the cooling challenges faced in commercial and industrial environments while adhering to sustainability goals, enhancing both user experience and operational efficiency. These systems exemplify Carrier's commitment to quality, reliability, and innovation in air conditioning solutions.
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