Carrier 48HJ015-025 installation instructions Economizer Motor Control Module Location

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5.Loosen sheet metal screws for top cover of base unit located above outdoor-air inlet opening.

6.Match notches in hood top cover with unit top cover screws. Insert hood ¯ange between top cover ¯ange and unit. Tighten screws.

7.Insert outdoor-air inlet screens and spacer in channel created by lower ®lter retainer and ®lter support bracket.

8.Attach remaining shorter section of ®lter support bracket.

Fig. 19 Ð Economizer Motor Control

Module Location

Fig. 17 Ð Economizer Damper Assembly Ð End View

Fig. 20 Ð Outdoor-Air Hood Component Location

LED Ð Light-Emitting Diode

Fig. 18 Ð Economizer Motor Control Module

Fig. 21 Ð Seal Strip Location

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Contents Installation ContentsSafety Considerations 50DP900211 Accessory Curb Description``A ``B ``C Package no HeightUnit 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 GND Make Electrical ConnectionsElectrical Data Equip48HJD015 All 48HJD025, HJE015 HJE017 Make Outdoor-Air Inlet AdjustmentsUnit Voltage Unit Economizer Motor Control Module Location START-UP Accessory Field-Installed Economizer AdjustFiop 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 Pressure Drop Accessory/FIOP Economizer Static Pressure in. wgBase Unit Operation Unit CFM EconomizerLubrication ServiceManufacturer Lubricant Evaporator Fan, 48HJ015 UnitsEvaporator Fan, 48HJ017,025 Units Condenser-Fan Adjustment Belt Tension Adjustment Ð To adjust belt tensionHigh and Low Outdoor-Air Temperature Economizer Checkout ProceduresGas Valve Adjustment Pilot AdjustmentMain Burner Removal Protective DevicesTypical Wiring Schematic 48HJ025 Shown Typical Wiring Schematic 48HJ025 Shown Typical Component Arrangement 48HJ025 Shown CLO AHAIFM IFRPage Page Packaged Service Training Page PRE-START-UP START-UP Checklist

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.