Heat Pump

Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) service and support

Carrier Residential Heat Pump - 50WC Heat Pump Repair, maintenance, and replacement planning

Product service snapshot

Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) service details

Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 50WCE048EFB3BJ-A. Product family: 50WC. 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® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60)
Equipment type: Heat Pump
Product group: Residential Heat Pump - 50WC

Technical snapshot

Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) technical snapshot

Product Specs

Model: 50WCE048EFB3BJ-A
Manufacturer Number: 50WCE048EFB3BJ-A
Vendor Number: 50WCE048EFB3BJ-A
Catalog Brand: Carrier®
Product Family: 50WC
AHRI Usage: Packaged
Air Flow Direction: Vertical
Approvals: ETL Listed
Blower Motor HP: 3/4
Blower Motor Speeds: 1
Blower Motor Type: PSC (Permanent Split Capacitor)
Brand: Carrier®
CFM: 1,600
COP: 3.6-4.7
Color: Silver
Compressor Type: Scroll
Cooling Capacity: 46,900-52,050
Country Of Origin: USA
Cycle/Hertz: 60 Hz
Drain Connection Size: 3/4"
EER: 14-19.5
Energy Star Rated: NO
Heating Capacity: 36,500-54,000
Height: 44
Length: 26
Locked Rotor Amps (LRA): 126
Maximum Overcurrent Protection (MOCP): 40
OPT Code: 1P50WCE048EFB3BJ-A
Phase: Single
Prop 65: YES
Rated Load Amps (RLA): 17.3
Refrigerant: R-454B
Return Air Filter Size (RA) In Inches (W X H X D): 24 x 30 x 1
Stages Cooling: 1
Tier: Aquazone™
Tonnage: 4
UPC: See Optical
Voltage: 208-230 VAC
Weight: 267
Width: 24

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® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) 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.

Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) service questions

Can GreenFlow help with Carrier Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60)?

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® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) 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® Aquazone™ - 4 Ton Compact Water Source Heat Pumps Vertical Upflow Left Return R-454B (208/230-1-60) 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.

Popular cities

Service Areas

Boston, MA

Worcester, MA

Lowell, MA

View All

Our Happy Customers

Karina D.

Fast response, great communication, reliable quality - great overall experience!

Lesley S.

We were very happy with our experience with Green Flow Solution. After our hot water heater was leaking and needed to be replaced, they were able to install a new one the same day. They were professional and thorough. Thank you!

Grace M.

Our 26-year-old A/C unit was only blowing air, and two companies immediately pushed full replacements—both costly and high-pressure, with no real attempt to diagnose or repair. One even refused to leave and insisted no one would repair it. Then we found Green Flow. Andrey and his team were...

David Z.

Right on time. Excellent service. Fixed the heating system and reasonably priced.

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...

William Z.

Quick service