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Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) service and support

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Carrier Commercial Rooftop Unit - 48K Rooftop Unit Repair, maintenance, and replacement planning
Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) product image

Product service snapshot

Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) service details

Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) is a Carrier® rooftop unit record from the Carrier Enterprise catalog. Catalog model: 48K3HF26A8B6A1B3A5. Product family: 48K. 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®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3)
  • Equipment type: Rooftop Unit
  • Product group: Commercial Rooftop Unit - 48K

Technical snapshot

Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) technical snapshot

Product Specs

  • Model: 48K3HF26A8B6A1B3A5
  • Manufacturer Number: 48K3HF26A8B6A1B3A5
  • Vendor Number: 48K3HF26A8B6A1B3A5
  • Catalog Brand: Carrier®
  • Product Family: 48K
  • AHRI Usage: Packaged
  • Brand: Carrier®
  • Cycle/Hertz: 60 Hz
  • Phase: Three
  • Refrigerant: R-454B
  • Voltage: 460 VAC

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®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) 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.

Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) service questions

What Carrier Carrier® WeatherMaker®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) 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®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) 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®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) 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®- 25 Ton Packaged Cooling /Gas Heat Rooftop Unit (460-3) 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

Tom T.

Fantastic job by Green Flow. Andrey, Andrei and Yuri were punctual, very neat, capable, and meticulous in replacing two complete HVAC systems and ductwork repairs in our home. They will now be our go to service for all our HVAC needs going forward.

Hanna P.

Outstanding service! The technician was not only skilled but also very communicative, providing regular updates about their ETA. The service was incredibly fast, and they resolved the issue efficiently. Great experience overall—highly recommend for reliable and professional HVAC services!

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...

Aniket G.

We used Andrey to replace the HVAC system. He was quick, efficient and knew what he was doing. I would surely recommend him.

Tim S.

Very thorough and professional. Seems to have got our heater working again. Thanks!

Valni D.

I’m delighted. Andrey the technician came on time and found the problem. They charged me fairly price.We thinking about hiring the company to maintain.

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