Rooftop Unit

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

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

Technical Specifications

Product Specs

Model: 48GEEM04A2A6-0A0A0
Manufacturer Number: 48GEEM04A2A6-0A0A0
Vendor Number: 48GEEM04A2A6-0A0A0
Catalog Brand: Carrier®
Product Family: 48GE
AHRI Usage: Packaged
Air Flow Direction: Convertible
BTU Input: 65,000
BTU Output: 53,000
Blower Motor HP: 0.71 Bhp
Blower Motor RPM: 249-2,490
Blower Motor Speeds: 2
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Wheel Diameter: 16 3/5"
Brand: Carrier®
CFM: 675-900
CFM Heating: 910-2,010
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: 1/3
Condenser Motor RPM: 800-1,000
Condenser Motor Speeds: Multiple
Condenser Motor Type: PSC (Permanent Split Capacitor)
Cooling Capacity: 36,000
Country Of Origin: MEX
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
Drive Type: Direct
EER2: 12
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: 33.375
Ignition Type: Direct Spark (DSI)
Length: 46.625
Locked Rotor Amps (LRA): 44
Maximum Overcurrent Protection (MOCP): 15
OPT Code: 1P48GEEM04A2A6-0A0A0
Outdoor Air Filter Size (OA) In Inches (W X H X D): 20 x 24 x 1
Phase: Three
Prop 65: YES
Rated Load Amps (RLA): 4.8
Refrigerant: R-454B
Return Air Filter Size (RA) In Inches (W X H X D): (2) 16 x 25 x 2
Sound Level (dBA): 55.6-81.8
Stages Cooling: 2
Stages Heating: 2
Thermal Efficiency: 81%
Tier: WeatherMaster®
Tonnage: 3
Voltage: 460 VAC
Weight: 535
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® - 3 Ton Packaged Rooftop Gas Heat & Electric 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

Jack B.

Andrey always does a great job.

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

Terry S.

Excellent service from best tech!

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

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