Rooftop Unit

Carrier Rooftop Unit ® WeatherMaker® - 15 Ton Packaged Rooftop Gas Heat & Electric Cool Unit R-454B (460-3)

Carrier Commercial Rooftop Unit - 48FE Rooftop Unit Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

Model: 48FEDM16A2A6-3A0A0
Manufacturer Number: 48FEDM16A2A6-3A0A0
Vendor Number: 48FEDM16A2A6-3A0A0
Catalog Brand: Carrier®
Product Family: 48FE
AHRI Usage: Packaged
Air Flow Direction: Horizontal / Vertical
Approvals: AHRI Certified; cULus
BTU Input: 144,000-180,000
BTU Output: 118,000-146,000
Blower Motor HP: 3 BHP
Blower Motor RPM: 250-2,200
Blower Motor Speeds: 2
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Wheel Diameter: 22"
Brand: Carrier®
CFM: 5,250
CFM Heating: 2,450-9,000
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: 22
Condenser Fan Motor Qty: 3
Condenser Motor HP: 1/4
Condenser Motor RPM: 1,100
Condenser Motor Type: PSC (Permanent Split Capacitor)
Cooling Capacity: 174,000
Cooling Rated Capacity Btu/h: 174000
Country Of Origin: MEX
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
Drive Type: Direct
EER: 10.8
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
Full Load Amps: 0.8
Gas Connection Size: 3/4"
Gas Connection Type: NPT
Heat Exchanger Type: Tubular
Height: 57.375
IEER: 14.5
Ignition Type: Direct Spark (DSI)
Length: 63.375
Maximum Fuse Size: 45
Maximum Overcurrent Protection (MOCP): 45
Minimum Circuit Ampacity (MCA): 32
Outdoor Air Filter Size (OA) In Inches (W X H X D): Vertical (2) 24 X 27 X 1; Horizontal (1) 30 X 39 X 1
Phase: Three
Prop 65: YES
Refrigerant: R-454B
Return Air Filter Size (RA) In Inches (W X H X D): (6) 18 X 24 X 2
Sound Level (dBA): 87
Stages Cooling: 2
Stages Heating: 2
Thermal Efficiency: 81%
Tier: WeatherMaker®
Tonnage: 15
Voltage: 460 VAC
Watts: 280
Weight: 1408
Width: 115.875

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® WeatherMaker® - 15 Ton Packaged Rooftop Gas Heat & Electric Cool Unit R-454B (460-3) requests

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.

Describe the service issue

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

Review access and history

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

Plan the next step

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

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Our Happy Customers

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

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