48HE,HJ

Table 8—CO2Sensor Standard Settings

SETTING

EQUIPMENT

OUTPUT

VENTILATION

ANALOG

CO2

OPTIONAL

RELAY

RATE

OUTPUT

CONTROL RANGE

RELAY SETPOINT

HYSTERESIS

 

 

 

(cfm/Person)

(ppm)

(ppm)

(ppm)

 

 

 

 

1

 

Proportional

Any

0-10V

0-2000

1000

50

 

4-20 mA

 

 

 

 

 

 

 

2

Interface w/Standard

Proportional

Any

2-10V

0-2000

1000

50

Building Control System

7-20 mA

 

 

 

 

 

 

3

 

Exponential

Any

0-10V

0-2000

1100

50

 

4-20 mA

 

 

 

 

 

 

 

4

 

Proportional

15

0-10V

0-1100

1100

50

 

4-20 mA

 

 

 

 

 

 

 

5

 

Proportional

20

0-10V

0- 900

900

50

 

4-20 mA

 

Economizer

 

 

 

 

 

6

Exponential

15

0-10V

0-1100

1100

50

 

 

4-20 mA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

Exponential

20

0-10V

0- 900

900

50

 

4-20 mA

 

 

 

 

 

 

 

8

Health & Safety

Proportional

0-10V

0-9999

5000

500

4-20 mA

 

 

 

 

 

 

 

9

Parking/Air Intakes/

Proportional

0-10V

0-2000

700

50

Loading Docks

4-20 mA

 

 

 

 

 

 

LEGEND

ppm — Parts Per Million

 

0.35

 

 

 

 

 

 

 

0.3

 

 

 

 

 

 

 

0.25

 

 

 

 

 

 

WG

0.2

 

 

 

 

 

 

P IN.

 

 

 

 

 

 

 

 

 

 

 

 

 

DELTA

0.15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

0.05

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

1000

2000

3000

4000

5000

6000

4 & 5 ton

6 ton

3 ton

C06133

Fig. 48 ---Humidi-MiZertAdaptive Dehumidification System Static Pressure Drop (in. wg)

C06134

C06041

Fig. 49 ---Belt Drive Motor Mounting

Fig. 50 ---Indoor-Fan Pulley Adjustment

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Carrier 48HE003---006, 48HJ004---007 installation instructions CO2Sensor Standard Settings, Belt Drive Motor Mounting

48HJ004---007, 48HE003---006 specifications

Carrier has long been a trusted name in the HVAC industry, and its models 48HJ004---007 and 48HE003---006 continue that legacy, offering efficient, reliable climate control solutions. These models are designed for different applications, ensuring optimal performance in a variety of environments.

The 48HJ series features advanced rooftop units that are ideal for commercial settings. They come equipped with high-efficiency scroll compressors that provide superior cooling and heating capabilities. This series is noted for its compact design, allowing for easy installation on rooftops or other constrained spaces. The units offer variable capacity operation, which enables them to efficiently meet varying heating and cooling demands without unnecessary energy consumption.

One of the standout features of the 48HJ series is its use of advanced microprocessor controls. This technology allows for precise temperature management and system diagnostics, enhancing the ease of operation while ensuring maximum comfort. Additionally, the series supports advanced connectivity options, enabling integration with building management systems. This allows for remote monitoring and control, making it easier for facility managers to keep track of performance and energy usage.

On the other hand, the 48HE series specializes in high-efficiency heating and cooling performance. These units are designed for larger commercial spaces and come with robust features for enhanced durability and efficiency. Like the 48HJ series, the 48HE models utilize scroll compressors and are equipped with a high-efficiency fan setup for improved airflow and reduced noise levels.

The 48HE also includes an innovative heat pump option, which allows the system to reverse the cooling process to provide heating, making it versatile across different seasonal demands. Both series are designed with eco-friendly refrigerants that comply with the latest environmental regulations, ensuring a minimized ecological footprint.

In terms of energy efficiency, both the 48HJ and 48HE series hold impressive SEER and EER ratings, contributing to reduced operational costs over time. The units are also built with durable, corrosion-resistant materials, ensuring longevity and low maintenance needs.

In conclusion, Carrier 48HJ004---007 and 48HE003---006 models are designed with cutting-edge technology, energy efficiency, and flexibility in mind. Their robust features make them ideal choices for commercial applications, providing reliable comfort and operational excellence. Whether for cooling or heating, these systems stand out in performance and sustainability, earning Carrier's reputation as a leader in the HVAC market.