2.3

ELECTRICAL DATA

 

 

 

 

 

CB-1 Trips at

29 amps

 

 

 

 

a. Circuit Breaker

CB-2 (50 amp) Trips at

62.5 amps

 

 

CB-2 (70 amp) Trips at

87.5 amps

 

 

 

 

 

b. Compressor

Full Load Amps (FLA)

13 amps @ 460 vac

 

Motor

 

 

 

 

 

 

 

 

380 vac, Single Phase,

 

460 vac, Single Phase,

 

 

 

50 hz

 

60 hz

c. Condenser Fan

Full Load Amps

1.3 amps

 

1.6 amps

 

Motor

Horsepower

0.43 hp

 

0.75 hp

 

 

 

 

 

 

 

 

Rotations Per Minute

1425 rpm

 

1725 rpm

 

 

 

 

 

 

 

 

Voltage and Frequency

360 -- 460 vac ¦ 2.5 hz

 

400 -- 500 vac ¦ 2.5 hz

 

 

 

 

 

 

 

Bearing Lubrication

Factory lubricated, additional grease not required.

 

 

 

 

 

 

Rotation

Counter-clockwise when viewed from shaft end.

 

 

 

 

 

 

 

Number of Heaters

 

4

 

 

 

d. Evaporator Coil

Rating

750 watts +5/--10% each @ 230 vac

 

Heaters

Resistance (cold)

66.8 to 77.2 ohms @ 20 _C (68 _F)

 

 

 

 

 

 

Type

Sheath

 

 

 

 

 

 

 

 

 

380 vac/50 hz

 

460 vac/60 hz

 

 

 

 

 

 

 

 

Full Load Amps

1.6

 

2.0

 

 

High Speed

 

 

 

 

 

 

 

 

Full Load Amps

0.8

 

1.0

 

 

Low Speed

 

 

 

 

 

 

 

 

Nominal Horsepower

0.70

 

0.84

 

 

High Speed

 

 

 

 

 

 

 

 

Nominal Horsepower

0.09

 

0.11

e. Evaporator Fan

Low Speed

 

 

 

 

 

Motor(s)

Rotations Per Minute

2850 rpm

 

3450 rpm

 

 

High Speed

 

 

 

 

 

 

 

 

Rotations Per Minute

1425 rpm

 

1750 rpm

 

 

Low Speed

 

 

 

 

 

 

 

 

Voltage and Frequency

360 -- 460 vac ± 1.25 hz

 

400 -- 500 vac ± 1.5 hz

 

 

 

 

 

 

 

 

Voltage & Frequency us-

180 -- 230 vac ± 1.25hz

 

200 -- 250 vac ± 1.5 hz

 

 

ing power autotransformer

 

 

 

 

 

 

 

 

Bearing Lubrication

Factory lubricated, additional grease not required

 

 

 

 

 

 

Rotation

CW when viewed from shaft end

 

 

 

 

 

 

Control Circuit

10 amps (F3)

 

 

 

 

f.

Fuses

Controller/DataCORDER

5 amps (F1 & F2)

 

 

Expansion Module

10 amps (F4)

2-7

T-309

Page 21
Image 21
Carrier 69NT20-531-300 manual Electrical Data

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.