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Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) service and support

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Carrier Commercial Rooftop Unit - 48FC Rooftop Unit Repair, maintenance, and replacement planning
Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) product image

Product service snapshot

Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) service details

Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) is a Carrier® rooftop unit record from the Carrier Enterprise catalog. Catalog model: 48FCFM24A3A5-8W0A0. Product family: 48FC. Green Flow Solution uses this page for commercial model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

  • Brand: Carrier
  • Model or series: Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60)
  • Equipment type: Rooftop Unit
  • Product group: Commercial Rooftop Unit - 48FC

Technical snapshot

Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) technical snapshot

Product Specs

  • Model: 48FCFM24A3A5-8W0A0
  • Manufacturer Number: 48FCFM24A3A5-8W0A0
  • Vendor Number: 48FCFM24A3A5-8W0A0
  • Catalog Brand: Carrier®
  • Product Family: 48FC
  • AHRI Usage: Packaged
  • Air Flow Direction: Convertible
  • Approvals: AHRI Certified; cULus
  • BTU Input: 176,000-400,000
  • BTU Output: 142,000-324,000
  • Blower Motor HP: 5 BHP
  • Blower Motor RPM: 250-2,200
  • Blower Motor Type: ECM (Electronically Commutated Motor)
  • Blower Wheel Diameter: 22"
  • Brand: Carrier®
  • CFM: 7,000
  • Color: Gray
  • Compressor Type: Scroll
  • Condenser Coil Fins Per Inch (FPI): 18
  • Condenser Fan Blade Diameter: 22
  • Condenser Motor HP: 1/4
  • Condenser Motor RPM: 1,100
  • Condenser Motor Type: PSC (Permanent Split Capacitor)
  • Cooling Capacity: 248,000
  • Country Of Origin: MEX
  • Cycle/Hertz: 60 Hz
  • Drain Connection Size: 3/4"
  • Drive Type: Direct
  • EER: 10
  • 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: 3/4"
  • Gas Connection Type: NPT
  • Height: 49.375
  • IEER: 14.5
  • Length: 86.375
  • Locked Rotor Amps (LRA): 240
  • OPT Code: 1P48FCFM24A3A5-8W0A0
  • Phase: Three
  • Prop 65: YES
  • Rated Load Amps (RLA): 34
  • Refrigerant: R-410A
  • Sound Level (dBA): 66.3-95.6
  • Stages Cooling: 2
  • Stages Heating: 2
  • Thermal Efficiency: 81%
  • Tier: WeatherMaker®
  • Tonnage: 20
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 2000
  • Width: 141.5

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® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) 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.

Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) service questions

What Carrier Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) alarm or error-code details should I share?

Share the exact alarm, fault, or status message shown on the unit controller, thermostat, service app, or building automation system. Photos of the control screen, unit nameplate, and thermostat/BAS screen help the team understand the issue before dispatch.

What should I check before requesting Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) service?

Confirm the thermostat or building schedule, whether one tenant space or multiple zones are affected, recent filter or maintenance history, and whether the RTU is locked out, noisy, short cycling, or not responding. Do not open rooftop panels or reset electrical equipment if it is unsafe.

Why would a Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) run but not heat or cool correctly?

Possible causes include airflow restrictions, dirty filters, economizer or damper issues, sensor or control faults, compressor or reversing-valve issues, defrost problems, refrigerant concerns, electrical faults, or building automation scheduling. A technician needs the full symptom and alarm context to diagnose it safely.

When is a Carrier® WeatherMaker® - 20 Ton Packaged Rooftop Gas Heat & Electric Cool Unit High Heat R-410A (208/230-3-60) issue urgent?

Treat the request as urgent when no heat or no cooling affects occupied space, an alarm or lockout is active, there is electrical odor, unusual noise, water intrusion, unsafe rooftop access, or repeated tenant comfort complaints. Include business hours and access notes when scheduling.

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Our Happy Customers

William H.

Called these guys on a Friday night, they showed up in 24 hours and fixed the problem in 35 minutes for under $300. Absolutely will use them again.

Roger L.

Green Flow Solutions was a pleasure to work with. Great communication, really timely and completed the job smoothly. Highly recommend!

Catherine M.

Technician worked systematically and found the broken part. Replaced it in no time.

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.

Nicholas M.

I called Green Flow Solutions in a hurry to diagnose and fix an AC unit in a commercial condo unit. They responded quickly, arrived urgently and performed an excellent job on the repair needed. Communication 10/10, professionalism 10/10 and quality 10/10. I will be recommending Green Flow Solutions...

Jose M.

Green Flow responded immediately when our ac system went out. Within an hour, Andrey was at our house and diagnosed the problem. Fantastic.

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