Carrier 48HJ015-025 Accessory Curb Description, ``A ``B ``C, Package no Height, 50DP900211

Page 2

ACCESSORY

CURB

DESCRIPTION

``A''

``B''

``C''

PACKAGE NO.

HEIGHT

 

 

 

 

50PQ900221

1 -2

Standard Curb Ð

Ð

Ð

Ð

(305)

14 High

 

 

 

 

50PQ900141

2 -0

Standard Curb

 

 

 

for Units Requiring

Ð

Ð

Ð

(610)

 

High Installation

 

 

 

 

 

 

 

 

50PQ900151

2 -0

Horizontal Supply

5 -6

0 -21¤2

1 -6

(610)

and Return Curb

(1676)

(64)

(457)

 

50DP900211

1 -11

Pre-Assembled,

6 -2

0 -61¤4

1 -25¤8

High-Static,

(584)

(1880)

(159)

(371)

 

Horizontal Adapter

 

 

 

 

 

 

LEGEND

COMP SECT. Ð Compressor Section

NOTES:

1.Roof curb accessory is shipped unassembled.

2.Insulated panels, 1¤2-in. thick neoprene-coated, 2 lb density.

3. Dimensions in ( ) are in millimeters.

4. Direction of air¯ow.

NOTE: To prevent the hazard of stagnant water build-up in the drain pan of the indoor-air section, unit can only be pitched as shown.

5.Roof curb: 18 gage steel.

6.Attach all ductwork to roof curb.

7.Field installation of sidewall is mandatory.

Fig. 1 Ð Roof Curb and Horizontal Adapter Details

2

Image 2
Contents Installation ContentsSafety Considerations Package no Height Accessory Curb Description``A ``B ``C 50DP900211Unit Dimension aUnit Maximum Shipping Weight 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 GND48HJD015 All 48HJD025, HJE015 HJE017 Make Outdoor-Air Inlet AdjustmentsUnit Voltage Unit Economizer Motor Control Module Location Accessory Field-Installed Economizer Adjust START-UPFiop Ð Fan Performance Data, 48HJ015, 208/230, 460-V UnitsAirflow Ð Fan Performance Data, 48HJ015, 575-V Units Fan Performance Data, 48HJ017 Units Unit 48HJ Minimum CFM Maximum CFM Fan Performance Data, 48HJ025 UnitsAir Quantity Limits Unit CFM Economizer Accessory/FIOP Economizer Static Pressure in. wgBase Unit Operation Pressure DropService LubricationManufacturer Lubricant Evaporator Fan, 48HJ015 UnitsEvaporator Fan, 48HJ017,025 Units 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.