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Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) service and support

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Carrier Residential Heat Pump - 27SCA5 Heat Pump Repair, maintenance, and replacement planning
Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) product image

Product service snapshot

Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) service details

Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 27SCA548A001. Product family: 27SCA5. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

  • Brand: Carrier
  • Model or series: Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3)
  • Equipment type: Heat Pump
  • Product group: Residential Heat Pump - 27SCA5

Technical snapshot

Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) technical snapshot

Product Specs

  • Model: 27SCA548A001
  • Manufacturer Number: 27SCA548A001
  • Vendor Number: 27SCA548A001
  • Catalog Brand: Carrier®
  • Product Family: 27SCA5
  • AHRI Usage: Outdoor
  • Brand: Carrier®
  • CFM: 1,250
  • Color: Gray
  • Compressor Type: Scroll
  • Condenser Fan Blade Diameter: 24
  • Condenser Fan CFM: 3800
  • Condenser Fan Discharge: Vertical
  • Condenser Fan Motor Qty: 1
  • Condenser Motor HP: 1/4
  • Condenser Motor RPM: 1,110
  • Condenser Motor Speeds: 1
  • Condenser Motor Type: PSC (Permanent Split Capacitor)
  • Cooling Capacity: 38,000-48,500
  • Corrosion Protected Coil: NO
  • Country Of Origin: USA
  • Cycle/Hertz: 60 Hz
  • Energy Star Rated: YES
  • Full Load Amps: 0.56
  • Heating Capacity: 44,500-50,500
  • Height: 38.875
  • Length: 31.1875
  • Liquid Line Fitting Type: Sweat or Braze
  • Liquid Line Size (OD): 3/8"
  • Locked Rotor Amps (LRA): 41
  • Maximum Overcurrent Protection (MOCP): 15
  • Metering Device: TXV/TEV - Thermostatic Expansion Valve
  • Phase: Three
  • Prop 65: YES
  • Rated Load Amps (RLA): 5.8
  • Refrigerant: R-454B
  • Sound Level (dBA): 75-76
  • Stages Cooling: 1
  • Stages Heating: 1
  • Suction Line Fitting Type: Sweat or Braze
  • Suction Line Size (OD): 7/8"
  • Tier: Comfort™
  • Tonnage: 4
  • UPC: 810150843316
  • Voltage: 575 VAC
  • Weight: 232
  • Width: 31.1875

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® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) 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® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) service questions

Can GreenFlow help with Carrier Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3)?

Helpful symptoms include no heat, no cooling, weak airflow, defrost or outdoor icing concerns, auxiliary heat behavior, thermostat issues, short cycling, unusual noise, and whether the request is urgent or planned maintenance.

Is Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) used for residential or commercial properties?

Heat pump requests may come from homes, condos, multifamily properties, managed buildings, and light-commercial spaces depending on the system type and building layout.

What helps schedule Carrier® Comfort™ - 4 Ton Heat Pump Condensing Unit R-454B (575-3) service faster?

Share the exact model and serial number if available, clear photos of the equipment and surrounding access area, current symptoms, recent maintenance history, and whether the request is repair, maintenance, or replacement planning.

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Jennifer A.

Andrey was very knowledgeable & thorough & fixed multiple issues with my old A/C units very quickly during this heatwave.

Benjamin B.

Great Service, fast and super friendly!

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...

hhuang821

Recently, my tankless water heater stopped working. Green Flow Solution responded quickly after I submitted a request through Yelp. I was impressed by their service team’s responsiveness and prompt follow-up, even over the weekend. Andrey, the technician, arrived the next day and resolved the issue professionally—the system was...

David H.

Quick response and on time arrival Diagnosed the problem ordered the part and fixed.

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Roman was great!

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