Carrier 48HJ015-025 installation instructions Base Unit Dimensions, 48HJ025

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MAXIMUM SHIPPING WEIGHT

Lb

Kg

2535

1150

 

 

NOTES:

1. Dimensions in ( ) are in millimeters.

2. Center of gravity.

3. Direction of air¯ow.

4. Ductwork to be attached to accessory roof curb only.

5. Minimum clearance:

a. Rear: 7 0 (2134) for coil removal. This dimen- sion can be reduced to 4 0 (1219) if conditions permit coil removal from the top.

b. 4 0 (1219) to combustible surfaces, all four sides (includes between units).

c. Left side: 4 0 (1219) for proper condenser coil air¯ow.

d. Front: 4 0 (1219) for control box access.

e. Right side: 4 0 (1219) for proper operation of

damper and power exhaust (if so equipped).

f. Top: 6 0 (1829) to assure proper condenser fan operation.

g. Bottom: 14 (356) to combustible surfaces (when not using curb).

h. Control box side: 3 0 (914) to ungrounded sur- faces (non-combustible).

i. Control box side: 3 6 (1067) to block or concrete walls, or other grounded surfaces.

j. Local codes or jurisdiction may prevail.

6. With the exception of clearance for the condenser coil and the damper/power exhaust as stated in Note No. 5, a removable fence or barricade requires no clearance.

7. Dimensions are from outside of corner post. Allow 0 -5¤16(8) on each side for top cover drip edge.

CORNER WEIGHT*

 

A

B

 

C

 

 

D

Lb

 

Kg

Lb

 

Kg

Lb

 

Kg

Lb

 

Kg

523

 

237

541

 

245

574

 

260

596

 

270

 

 

 

 

 

 

 

 

 

 

 

 

*Weights are for unit only and do not include options or crating.

Fig. 5 Ð Base Unit Dimensions, 48HJ025

6

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Contents Contents Safety ConsiderationsInstallation Package no Height Accessory Curb Description``A ``B ``C 50DP900211Dimension a Unit Maximum Shipping WeightUnit Physical Data Base Unit Dimensions, 48HJ015,017 Base Unit Dimensions, 48HJ025 Air Distribution Ð Through-the-Bottom 48HJ017 and 025 Shown Combustion Fan Housing Location Equip Make Electrical ConnectionsElectrical Data GNDMake Outdoor-Air Inlet Adjustments Unit Voltage Unit48HJD015 All 48HJD025, HJE015 HJE017 Economizer Motor Control Module Location Accessory Field-Installed Economizer Adjust START-UPÐ Fan Performance Data, 48HJ015, 208/230, 460-V Units AirflowFiop Ð Fan Performance Data, 48HJ015, 575-V Units Fan Performance Data, 48HJ017 Units Fan Performance Data, 48HJ025 Units Air Quantity LimitsUnit 48HJ Minimum CFM Maximum CFM Unit CFM Economizer Accessory/FIOP Economizer Static Pressure in. wgBase Unit Operation Pressure DropService LubricationEvaporator Fan, 48HJ015 Units Evaporator Fan, 48HJ017,025 UnitsManufacturer Lubricant Belt Tension Adjustment Ð To adjust belt tension Condenser-Fan AdjustmentEconomizer Checkout Procedures High and Low Outdoor-Air TemperaturePilot Adjustment Gas Valve AdjustmentProtective Devices Main Burner RemovalTypical Wiring Schematic 48HJ025 Shown Typical Wiring Schematic 48HJ025 Shown Typical Component Arrangement 48HJ025 Shown IFR AHAIFM CLOPage Page Packaged Service Training Page START-UP Checklist PRE-START-UP

48HJ015-025 specifications

The Carrier 48HJ015-025 is a distinguished series of rooftop packaged units renowned for their efficient performance and reliability in light commercial applications. Designed for a variety of indoor environments, these units are engineered to provide efficient heating and cooling solutions, making them suitable for retail spaces, offices, and other commercial buildings.

One of the main features of the Carrier 48HJ series is its advanced scroll compressor technology, which enhances the overall efficiency of the systems. This type of compressor is known for its durability and quiet operation, providing consistent temperature control while minimizing energy consumption. The use of a scroll compressor contributes to a higher Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF), making these units a smart choice for energy-conscious businesses.

Additionally, the 48HJ series incorporates a multi-speed indoor blower that allows for precise airflow control. This feature ensures optimal indoor comfort by adjusting the air distribution based on the specific heating or cooling needs of the space. The ability to adapt to varying load conditions enhances efficiency and reduces energy wastage.

Another noteworthy characteristic of the Carrier 48HJ015-025 is its robust construction. Built with galvanized steel, the units are designed to withstand harsh environmental conditions, ensuring longevity and minimal maintenance requirements. The powder-painted finish offers corrosion resistance, contributing to the unit’s durability over time.

The series also integrates advanced controls for ease of operation. The user-friendly thermostat enables precise temperature management and can be programmed according to the specific needs of the facility. Moreover, compatibility with Building Management Systems (BMS) facilitates seamless integration into existing infrastructure, enabling remote monitoring and enhanced operational efficiency.

In terms of environmental considerations, the Carrier 48HJ series utilizes R-410A refrigerant, which is known for its reduced impact on the ozone layer compared to older refrigerants. This commitment to sustainability aligns with modern environmental standards and regulations.

Overall, the Carrier 48HJ015-025 stands out as a versatile and efficient rooftop packaged unit, perfect for varying commercial applications. Its combination of advanced technology, reliability, and user-focused design makes it a prominent choice for businesses seeking optimized climate control solutions while ensuring sustainability and energy efficiency.