Table 3-4 Controller Configuration Variables

NOTES

1.Configuration numbers not listed are not used in this application. These items may appear when loading configuration software to the controller but changes will not be recognized by the controller programming.

CONFIGURATION

TITLE

DEFAULT

OPTION

NUMBER

 

 

 

CnF02

Evaporator Fan Speed

dS (Dual)

SS (Single)

 

 

 

 

CnF04

Dehumidification Mode

On

OFF

 

 

 

 

CnF11

Defrost “Off” Selection

noOFF

OFF

 

 

 

 

CnF16

DataCORDER Present

On (Yes)

OFF (No)

 

 

 

 

CnF22

Economy Mode Option

OFF

Std, Full

 

 

 

 

CnF23

Defrost Interval Timer Save Option

noSAv

SAv

 

 

 

 

CnF24

Long Pre Trip Test Sequence Enabled

On

Off

 

 

 

 

CnF25

Pre-Trip Test Points/Results Recording Option

rSLtS

dAtA

CnF26

Heat Lockout Change Option

Set to -10_C

Set to -5_C

 

 

 

 

CnF28

Bulb Mode Option

NOr

bULb

CnF31

Probe Check Option

Std

SPEC

 

 

 

 

CnF33

Snap Freeze Option

OFF

SnAP

 

 

 

 

CnF34

Degree Celsius Lockout Option

bOth

_F

 

 

 

 

CnF37

Electronic Temperature Recorder

rEtUR (Return)

suPPl, BOth

3-13

T-309

Page 38
Image 38
Carrier 69NT20-531-300 manual CnF11 Defrost Off Selection NoOFF, Std, Full, CnF33 Snap Freeze Option, SnAP

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.

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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.