NOTES:

1.WEIGHTS INCLUDE ECONOMIZER OR OUTDOOR AIR DAMPER.

2.CENTER OF GRAVITY.

3.UNIT CLEARANCES:

TOP OF UNITS: NO OVERHANG

CONDENSER COIL: 4’ - 0“ [1219]

ECONOMIZER SIDE: 6’ - 0” [1829]

HEAT SIDE: 4’’ - 0” [1219]

FILTER ACCESS SIDE: 15’ - 0” [4572] (FOR REMOVAL

OF EVAPORATOR COIL)

4.FOR SMALLER SERVICE AND OPERATIONAL CLEARANCES, CONTACT CARRIER APPLICATION ENGINEERING DEPART- MENT.

5.BOTTOM DUCTS ARE DESIGNED TO BE ATTACHED TO AC- CESSORY ROOF CURB. IF UNIT IS MOUNTED ON DUNNAGE, IT IS RECOMMENDED THAT THE DUCTS BE SUPPORTED BY CROSS BRACES AS DONE ON ACCESSORY ROOF CURB.

6.BASE UNIT WEIGHTS INCLUDE OUTDOOR AIR HOODS AND FILTERS (INDOOR FAN MOTOR IS NOT INCLUDED). ADD IN- DOOR FAN MOTOR, FIOPS, AND ACCESSORIES FOR TOTAL OPERATING WEIGHT.

7.VAV MOTOR WEIGHTS INCLUDE INDOOR MOTOR, VFD, VFD TRANSDUCER, AND ASSOCIATED WIRING.

8.DIMENSIONS IN [ ] ARE IN MILLIMETERS. ALL OTHER DIMEN- SIONS ARE IN INCHES.

9.FOR SIDE-SUPPLY/RETURN APPLICATIONS, A SINGLE RE- TURN AND SUPPLY DUCTWORK CONNECTION IS RECOM- MENDED FOR COVERING ALL THREE RETURN AND ALL THREE SUPPLY OPENINGS. THE ENTIRE AREA AROUND THE DUCT OPENINGS IS AVAILABLE FOR A 1.5” DUCT FLANGE ATTACHMENT.

12

a50-8102

48AJ/AK LOW HEAT 48AJ/AK HIGH HEAT 48AW/AY LOW HEAT 48AW/AY HIGH HEAT

48AJ/AK LOW HEAT 48AJ/AK HIGH HEAT 48AW/AY LOW HEAT 48AW/AY HIGH HEAT

48AJ/AK051 LOW HEAT 48AW/AY051 LOW HEAT

48AJ/AK051 HIGH HEAT 48AW/AY051 HIGH HEAT

48AJ/AK060 LOW HEAT 48AW/AY060 LOW HEAT

48AJ/AK060 HIGH HEAT 48AW/AY060 HIGH HEAT

 

LEGEND

CV

Constant Volume

FIOP

Factory-Installed Option

IFM

Indoor Fan Motor

VAV

Volume Air volume

VFD

Variable Frequency Drive

Fig. 10 — Center of Gravity and Weights — 48AJ,AK,AW,AY051,060

Page 12
Image 12
Carrier installation instructions Center of Gravity and Weights 48AJ,AK,AW,AY051,060, A50-8102

48AJ specifications

The Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY024-068 are cutting-edge rooftop air conditioning units designed for commercial applications. These models are renowned for their reliability, energy efficiency, and innovative technologies aimed at providing optimal indoor comfort.

One of the standout features of these units is their advanced cooling and heating capabilities. They employ a multi-stage compressor system that allows for precise temperature control, accommodating various load requirements. This flexibility is particularly beneficial in commercial settings where the cooling load can fluctuate throughout the day.

Energy efficiency is paramount in today’s environmental landscape, and Carrier has ensured that these models meet stringent efficiency standards. They incorporate high-efficiency scroll compressors, which significantly reduce energy consumption while delivering powerful performance. The units are also equipped with variable speed fans that adjust airflow based on demand, further optimizing energy use.

In terms of construction, these rooftop units feature a robust design that enhances durability and longevity. The cabinet is constructed to withstand harsh weather conditions, ensuring reliable performance year-round. Additionally, the units are equipped with corrosion-resistant coatings, particularly useful in coastal environments where salt exposure can be a concern.

The Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY models utilize advanced controls and connectivity features, allowing for easy integration into building management systems. This connectivity enables remote monitoring and control, facilitating quick response to changing conditions and simplifying maintenance tasks.

Noise reduction is another key characteristic of these models. They are designed with sound-absorbing insulation and low-noise fan blades to ensure quiet operation, making them suitable for noise-sensitive environments such as schools and hospitals.

These units are also available with various options for air filtration and dehumidification. The use of high-efficiency air filters enhances indoor air quality by trapping dust, pollen, and other airborne particles. Enhanced dehumidification capabilities ensure that spaces remain comfortable even in humid conditions.

In conclusion, the Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY024-068 rooftop units are engineered to offer exceptional performance, energy efficiency, and durability. With their advanced technologies and user-friendly features, they stand out as reliable solutions for meeting diverse commercial cooling and heating needs, making them a popular choice for many businesses.