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Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) service and support

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Carrier Residential Heat Pump - 50WC Heat Pump Repair, maintenance, and replacement planning
Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) product image

Product service snapshot

Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) service details

Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) is a Carrier® heat pump record from the Carrier Enterprise catalog. Catalog model: 50WCE042LBA3VAB. 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™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B)
  • Equipment type: Heat Pump
  • Product group: Residential Heat Pump - 50WC

Technical snapshot

Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) technical snapshot

Product Specs

  • Model: 50WCE042LBA3VAB
  • Manufacturer Number: 50WCE042LBA3VAB
  • Vendor Number: 50WCE042LBA3VAB
  • Catalog Brand: Carrier®
  • Product Family: 50WC
  • AHRI Usage: Packaged
  • Air Flow Direction: Vertical
  • Approvals: ETL Listed
  • Blower Motor HP: 3/4
  • Blower Motor Speeds: 3
  • Blower Motor Type: ECM (Electronically Commutated Motor)
  • Blower Wheel Diameter: 10"
  • Blower Wheel Width: 10"
  • Brand: Carrier®
  • CFM: 1,400
  • COP: 3.8-4.9
  • Color: Silver
  • Compressor Type: Rotary
  • Cooling Capacity: 40,100-46,500
  • Country Of Origin: USA
  • Cycle/Hertz: 60 Hz
  • Drain Connection Size: 3/4"
  • EER: 15.6-21.5
  • Energy Star Rated: NO
  • Heating Capacity: 30,100-46,500
  • Height: 44
  • Length: 26
  • Locked Rotor Amps (LRA): 109
  • Maximum Overcurrent Protection (MOCP): 40
  • OPT Code: 1P50WCE042LBA3VAB
  • Phase: Single
  • Prop 65: YES
  • Rated Load Amps (RLA): 14.7
  • Refrigerant: R-454B
  • Return Air Filter Size (RA) In Inches (W X H X D): 24 x 30 x 1
  • Stages Cooling: 2
  • Stages Heating: 2
  • Tier: Aquazone™
  • Tonnage: 3.5
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 213
  • Width: 21.5

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® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) 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® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) service questions

Can GreenFlow help with Carrier Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Aquazone™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B)?

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™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) 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™ - 3.5 Ton Compact Water Source Heat Pump Vertical Upflow Right Return (R-454B) 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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Our Happy Customers

Tim S.

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

Max P.

Green Flow got our AC back up and running at our condo the same day! Andrey was on time, super efficient, and with the right part on hand. The price was fair enough. Would definitely recommend them!

Sheila Z.

My air conditioning died on one of the hottest days. I found green solutions online call them and within a few hours they were out to my house to figure out the problem. They came back the next day at 7 AM to fix it. All was good...

Terry S.

Excellent service from best tech!

Baran O.

Fast response, punctual, resolved the issue quickly. Thank you

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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