Table 30 --EconoMi$erlV Input/Output Logic

 

 

 

 

INPUTS

 

 

Demand

Control

 

Enthalpy*

 

 

 

 

Ventilation

(DCV)

 

Outdoor

Return

Below

set

 

High

 

 

Low

 

 

 

 

 

(DCV

LED Off)

(Free

Cooling

LED

Off)

 

 

 

Low

 

 

High

 

 

 

(Free

Cooling

LED

On)

Above

set

 

High

 

 

Low

 

 

 

 

 

(DCV

LED On)

(Free

Cooling

LED

Off)

 

 

 

Low

 

 

High

 

 

 

(Free

Cooling

LED

On)

*For single enthalpy control, the module compares enthalpy to the ABCD set point.

tPower at N terminal determines Occupied/Unoccupied 24 vac (Occupied), no power (Unoccupied).

**Modulation is based on the supply air sensor signal. 1-tModulation is based on the DCV signal.

 

 

 

 

 

 

OUTPUTS

 

 

 

 

Compressor

 

 

N Terminalt

 

Y1

Y2

Stage

Stage

 

Occupied

Unoccupied

 

 

1

2

 

 

Dam )er

 

On

On

On

On

Minimum

position

Closed

 

 

 

On

Off

On

Off

 

 

 

 

 

Off

Off

Off

Off

 

 

 

 

 

On

On

On

Off

Modulating**

(between rain.

Modulating**

(between

On

Off

Off

Off

position and full-open)

closed and full-open)

Off

Off

Off

Off

Minimum

position

Closed

 

 

 

 

 

 

 

On

On

On

On

Modulating1-1- (between min.

Modulatingtl-

(between

On

Off

On

Off

position

and

DCV maximum)

closed and

DCV

maximum)

 

Off

Off

Off

Off

 

 

 

 

 

 

 

 

 

On

On

On

Off

Modulating***

 

Modulatingtl-t

On

Off

Off

Off

 

 

 

 

 

Off

Off

Off

Off

 

 

 

 

 

outdoor

***Modulation

is based on the

greater

of DCV and supply air sensor

 

signals,

between minimum

position

and either

maximum

position

setting:

(DCV)

or fully open (supply

air signal).

 

 

ttl-Modulation

is based on the greater

of DCV

and supply

air sen-

 

sor signals, between closed and either maximum position (DCV) or fully open (supply air signal).

Fig. 61 --EconoMiSerlV Functional View

52

Page 52
Image 52
Carrier 48TJ016-028 specifications EconoMi$erlV Input/Output Logic, Inputs, Dcv, Outputs

48TJ016-028 specifications

The Carrier 48TJ016-028 is a notable model in the range of packaged rooftop units designed by Carrier, a leader in heating, ventilation, and air conditioning (HVAC) solutions. Tailored specifically for commercial applications, these units provide a blend of efficiency, durability, and reliability, making them suitable for a variety of settings, including offices, retail spaces, and industrial environments.

One of the standout features of the 48TJ series is its energy-efficient performance. Equipped with high-efficiency scroll compressors, these units offer superior cooling capacity while minimizing energy consumption. This aligns with modern sustainability goals, helping businesses reduce their carbon footprint and operational costs. Additionally, the 48TJ units comply with stringent industry standards, such as the ASHRAE 90.1 energy efficiency guidelines, ensuring that users receive a product that meets modern energy performance benchmarks.

The 48TJ016-028 units also include advanced technologies that enhance performance and user comfort. The inclusion of a sophisticated microprocessor control system facilitates precise temperature regulation, allowing for an optimal balance of cooling and heating based on real-time conditions. Moreover, the user-friendly controls make it easy for facility managers to monitor system performance and make adjustments as necessary.

Another notable characteristic of the 48TJ series is its flexible installation options. These rooftop units are designed for easy integration into existing building structures and can be installed on flat or pitched roofs. Their compact design and lightweight construction simplify the installation process while minimizing structural impacts on buildings.

Durability is paramount in the design of the 48TJ units as well. The cabinets are constructed from high-quality materials with corrosion-resistant coatings, ensuring a long lifespan even in harsh environmental conditions. The systems are also equipped with robust insulation to reduce sound levels and improve overall operating efficiency.

Furthermore, the Carrier 48TJ016-028 units offer various options for customization. Users can choose from different airflow configurations, heating options, and accessories, allowing for tailored solutions that meet specific requirements. Whether you are looking for a unit with enhanced filtration, economizer capabilities, or advanced humidity control, the 48TJ series provides the flexibility needed for diverse applications.

In summary, the Carrier 48TJ016-028 units deliver a compelling combination of energy efficiency, advanced technology, and robust construction, making them an ideal choice for commercial HVAC needs. With their versatile features and customizable options, they stand out as reliable solutions for maintaining comfortable indoor environments.