Rooftop Unit

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Carrier Rooftop Unit ® WeatherMaster®- 4 Ton Packaged Hybrid Heat Rooftop Unit (575-3)

Carrier Commercial Rooftop Unit - 48QE Rooftop Unit Repair, maintenance, and replacement planning
Carrier® WeatherMaster®- 4 Ton Packaged Hybrid Heat Rooftop Unit (575-3) product image

Technical Specifications

Product Specs

  • Model: 48QERM05A2A1-3B0A0
  • Manufacturer Number: 48QERM05A2A1-3B0A0
  • Vendor Number: 48QERM05A2A1-3B0A0
  • Catalog Brand: Carrier®
  • Product Family: 48QE
  • AHRI Usage: Packaged
  • Air Flow Direction: Convertible
  • BTU Input: 82,000-110,000
  • BTU Output: 65,000-88,000
  • Blower Motor HP: 1 3/50
  • Blower Motor RPM: 217-2,170
  • Blower Motor Type: ECM (Electronically Commutated Motor)
  • Blower Wheel Diameter: 16 3/5"
  • Brand: Carrier®
  • CFM Heating: 1,250-2,330
  • Color: Gray
  • Compressor Type: Scroll
  • Condenser Coil Fins Per Inch (FPI): 18
  • Condenser Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
  • Condenser Fan Blade Diameter: 23
  • Condenser Fan Motor Qty: 1
  • Condenser Motor HP: 1/4
  • Condenser Motor RPM: 900-1,100
  • Condenser Motor Speeds: Multiple
  • Condenser Motor Type: PSC (Permanent Split Capacitor)
  • Country Of Origin: USA
  • Cycle/Hertz: 60 Hz
  • Drain Connection Size: 3/4"
  • Drive Type: Direct
  • EER2: 11.8
  • Energy Star Rated: NO
  • Evaporator Coil Fins Per Inch (FPI): 15
  • Evaporator Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
  • Fuel Type: Natural Gas or LP
  • Gas Connection Size: 1/2"
  • Gas Connection Type: NPT
  • Height: 41.375
  • Ignition Type: Direct Spark (DSI)
  • Length: 46.625
  • Locked Rotor Amps (LRA): 39
  • Low Ambient Cooling Capable: YES
  • Maximum Overcurrent Protection (MOCP): 15
  • OPT Code: 1P48QERM05A2A1-3B0A0
  • Outdoor Air Filter Size (OA) In Inches (W X H X D): 20 x 24 x 1
  • Phase: Three
  • Rated Load Amps (RLA): 5.7
  • Refrigerant: R-454B
  • Return Air Filter Size (RA) In Inches (W X H X D): (4) 16 x 16 x 2
  • Sound Level (dBA): 79
  • Stages Cooling: 2
  • Stages Heating: 1
  • Tier: WeatherMaster®
  • Tonnage: 4
  • UPC: See Optical
  • Voltage: 575 VAC
  • Weight: 651
  • Width: 74.375

Useful troubleshooting details

  • Confirm the exact model number, serial number, installed equipment type, and site voltage before service or replacement planning.
  • Match replacement equipment and accessories against current Carrier compatibility requirements, refrigerant type, capacity, airflow, and local code requirements.

Service planning

How GreenFlow handles Carrier® WeatherMaster®- 4 Ton Packaged Hybrid Heat Rooftop Unit (575-3) requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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