Rooftop Unit

Carrier Rooftop Unit ® WeatherExpert® - 4 Ton Packaged Rooftop Gas Heat & Electric Cool Unit (460-3)

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

Technical Specifications

Product Specs

Model: 48JCSW05K2P6-3W9A0
Manufacturer Number: 48JCSW05K2P6-3W9A0
Vendor Number: 48JCSW05K2P6-3W9A0
Catalog Brand: Carrier®
Product Family: 48JC
AHRI Usage: Packaged
Air Flow Direction: Convertible
Approvals: AHRI Certified; cULus
BTU Input: 50,000-67,000
BTU Output: 40,000-54,000
Blower Motor HP: 1 3/50 BHP
Blower Motor RPM: 217-2,170
Blower Motor Speeds: Variable
Blower Motor Type: ECM (Electronically Commutated Motor)
Brand: Carrier®
CFM: 800
Color: Gray
Compressor Type: Scroll
Condenser Coil Fins Per Inch (FPI): 18
Condenser Fan Blade Diameter: 23
Condenser Fan Motor Qty: 1
Condenser Motor HP: 1/3
Condenser Motor RPM: 160-1,100
Condenser Motor Speeds: Variable
Condenser Motor Type: ECM (Electronically Commutated Motor)
Cooling Capacity: 47,000
Cooling Rated Capacity Btu/h: 48000
Country Of Origin: MEX
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
Drive Type: Direct
EER: 13
Energy Star Rated: NO
Evaporator Coil Fins Per Inch (FPI): 15
Evaporator Coil Metering Device: TXV/TEV - Thermostatic Expansion Valve
Fuel Type: Natural Gas
Gas Connection Size: 1/2"
Height: 41.375
Length: 46.625
Locked Rotor Amps (LRA): 38
Maximum Overcurrent Protection (MOCP): 20
OPT Code: 1P48JCSW05K2P6-3W9A0
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): 8.3
Refrigerant: R-410A
Return Air Filter Size (RA) In Inches (W X H X D): (4) 16 x 16 x 2
Sound Level (dBA): 79
Stages Cooling: Variable
Thermal Efficiency: 81%
Tier: WeatherExpert®
Tonnage: 4
UPC: See Optical
Voltage: 460 VAC
Weight: 640
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® WeatherExpert® - 4 Ton Packaged Rooftop Gas Heat & Electric Cool Unit (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

Jenny W.

Great service! On time, knowledgeable & professional

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

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.

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