Carrier 69NT20-531-300 manual Compressor Section

Models: 69NT20-531-300

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2.1.4 Compressor Section

The compressor section includes the compressor (with high pressure switch) and the oil separator.

This section also contains the oil return solenoid, compressor power plug, the discharge pressure

transducer, discharge temperature sensor and the suction pressure transducers.

The supply temperature sensor, supply recorder sensor and ambient sensor are located at the left side of the compressor.

 

 

 

 

 

2

 

 

 

 

1

 

 

 

 

 

 

4

 

 

 

23

 

 

 

 

22

9

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

21

 

 

 

20

 

 

11

 

Discharge

19

 

 

Connection

18

 

 

 

(Hidden)

17

 

 

 

 

Economizer

 

 

 

12

8

 

 

 

Connection

 

 

 

13

 

 

 

 

Suction

 

 

 

 

 

 

 

 

11

7

Connection

 

 

 

Oil Return

 

 

 

14

 

Connection

 

 

16

6

 

 

 

 

5

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

3

 

 

 

 

1.

Compressor Guard

12.

Economizer Service Valve

2.

Supply Temperature/Supply Recorder Sensor

13.

Suction Service Valve

 

Assembly

14.

Discharge Temperature Sensor

3.

Ambient Sensor

15.

Oil Return Service Valve

4.

Supply Air Thermometer Port (location)

16.

Discharge Pressure Transducer

5.

Oil Drain

17.

Oil Return Solenoid Valve

6.

Compressor

18.

Oil Separator

7.

Compressor Sight Glass

19.

From Economizer

8

Compressor Power Plug

20.

To Condenser

9.

Discharge Service Valve

21.

From Suction Modulating Valve

10.

High Pressure Switch

22.

Suction Strainer

11.

Access Valve

23.

Suction Pressure Transducer

Figure 2-3 Compressor Section

2-3

T-309

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Carrier 69NT20-531-300 manual Compressor Section

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.