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Carrier 69NT20-531-300 manual Section Description, Refrigeration Unit -- Front Section

Models: 69NT20-531-300

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SECTION 2

DESCRIPTION

2.1 GENERAL DESCRIPTION

2.1.1 Refrigeration Unit -- Front Section

The unit is designed so that the majority of the components are accessible from the front, see Figure 2-1. The upper access panels allow entry into the evaporator section, and the center access panel allows access to the evaporator expansion valve, unloader

valve, suction modulation valve and evaporator coil heaters. The unit model number, serial number and parts identification number can be found on the serial plate to the left of the economizer.

2.1.2 Fresh Air Makeup Vent

The function of the upper or lower makeup air vent is to provide ventilation for commodities that require fresh air circulation.

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1.

Access Panel (Evap. Fan #1)

 

Parts Identification Number (PID) Plate

2.

Access Panel (Heaters, Suction Modulating

9.

Power Cables and Plug

 

Valve, Unloader Valve & Evaporator

10.

Condenser Fan

 

Expansion Valve)

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Interrogator Connector (Front left)

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Fork Lift Pockets

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Blank Cover (Temperature Recorder Location)

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Control Box

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Blank Cover (Lower Fresh Air Makeup Vent

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Compressor

 

Location)

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Receiver or Water Cooled Condenser

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Upper Fresh Air Makeup Vent

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Economizer

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Access Panel (Evap. Fan #2)

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Unit Serial Number, Model Number and

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Compressor Protection Panel (cutaway view)

 

Figure 2-1 Refrigeration Unit -- Front Section

 

2-1

 

T-309

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Carrier 69NT20-531-300 manual Section Description, Refrigeration Unit -- Front Section
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69NT20-531-300 specifications

The Carrier 69NT20-531-300 is a cutting-edge rooftop unit designed to meet the demanding requirements of commercial heating and cooling applications. This model embodies Carrier’s commitment to energy efficiency, reliability, and advanced technological features that enhance indoor comfort while minimizing operational costs.

One of the standout features of the Carrier 69NT20-531-300 is its high energy efficiency. It is equipped with advanced compressor technology that optimizes performance while reducing energy consumption. This ensures that businesses can maintain a comfortable indoor climate without incurring exorbitant utility bills. With a high Seasonal Energy Efficiency Ratio (SEER) and Energy Efficiency Ratio (EER), users can expect not only enhanced comfort but also significant cost savings over time.

The cooling capabilities of the 69NT20-531-300 are complemented by its robust heating options. This unit utilizes a gas heat exchanger, ensuring quick and even heating throughout the space. The combination of cooling and heating capabilities in one compact unit makes it a versatile choice for various applications, including retail spaces, offices, and warehouses.

In addition to its impressive performance specifications, the Carrier 69NT20-531-300 incorporates innovative technologies that further enhance its functionality. The unit comes with advanced controls, allowing for precise temperature regulation and zoning capabilities. This ensures that different areas of a building can maintain their desired temperatures based on usage, improving overall energy efficiency.

Durability is another hallmark of the Carrier 69NT20-531-300. The unit is constructed with high-quality materials and features a weather-proof cabinet that protects it from the elements, ensuring long-term reliability even in harsh conditions. Furthermore, its modular design simplifies maintenance, making it easy for technicians to access critical components.

The 69NT20-531-300 is also designed with low noise operation in mind. It employs sound-dampening technology to ensure that operations are quiet, making it an ideal choice for locations where noise reduction is a priority, such as schools or healthcare facilities.

Overall, the Carrier 69NT20-531-300 stands out as a premier choice for businesses looking for an efficient, reliable, and feature-rich rooftop HVAC unit. Its blend of energy efficiency, advanced technology, and durability positions it as a leader in commercial heating and cooling solutions, making it a valuable investment for any commercial property.