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Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) service and support

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Carrier Residential Carrier Catalog Product - 50NL-B Carrier Catalog Product Repair, maintenance, and replacement planning
Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) product image

Product service snapshot

Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) service details

Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) is a Carrier® carrier catalog product record from the Carrier Enterprise catalog. Catalog model: 50NL-B42---3. Product family: 50NL-B. 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™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1)
  • Equipment type: Carrier Catalog Product
  • Product group: Residential Carrier Catalog Product - 50NL-B

Technical snapshot

Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) technical snapshot

Product Specs

  • Model: 50NL-B42---3
  • Manufacturer Number: 50NL-B42---3
  • Vendor Number: 50NL-B42---3
  • Catalog Brand: Carrier®
  • Product Family: 50NL-B
  • AHRI Usage: Packaged
  • Air Flow Direction: Downflow / Horizontal
  • Blower Motor HP: 3/4
  • Blower Motor RPM: 1,075
  • Blower Motor Speeds: Multiple
  • Blower Motor Type: ECM (Electronically Commutated Motor)
  • Blower Wheel Diameter: 11"
  • Blower Wheel Width: 10"
  • Brand: Carrier®
  • CFM: 1,350
  • Color: Gray
  • Compressor Type: Scroll
  • Condenser Coil Fins Per Inch (FPI): 21
  • Condenser Coil Metering Device: Orifice
  • Condenser Fan Blade Diameter: 26
  • Condenser Fan CFM: 3500
  • Condenser Fan Motor Qty: 1
  • Condenser Motor HP: 1/5
  • Condenser Motor RPM: 810
  • Condenser Motor Speeds: 1
  • Condenser Motor Type: PSC (Permanent Split Capacitor)
  • Cooling Capacity: 42,000
  • Country Of Origin: MEX
  • Cycle/Hertz: 60 Hz
  • Drain Connection Size: 3/4"
  • Drive Type: Direct
  • EER2: 11
  • Energy Star Rated: NO
  • Evaporator Coil Fins Per Inch (FPI): 17
  • Evaporator Coil Metering Device: Orifice
  • Height: 43
  • Length: 48.25
  • Locked Rotor Amps (LRA): 109
  • Maximum Overcurrent Protection (MOCP): 40
  • OPT Code: 1P50NL-B42---3
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-454B
  • Return Air Filter Size (RA) In Inches (W X H X D): (1) 24 x 14 x 1; (1) 24 x 16 x 1
  • SEER2: 13.4
  • Sound Level (dBA): 69
  • Stages Cooling: 1
  • Tier: Comfort™
  • Tonnage: 3.5
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 384
  • Width: 44.1875

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™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) 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™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) service questions

Can GreenFlow help with Carrier Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1)?

Helpful symptoms include no heat, no cooling, weak airflow, error codes, leaks, short cycling, unusual noise, thermostat behavior, and whether the issue is urgent or planned maintenance.

Is Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) used for residential or commercial properties?

Carrier Catalog Product requests may come from homes, condos, multi-unit properties, offices, managed buildings, and light-commercial spaces depending on the equipment type and application.

What helps schedule Carrier® Comfort™ - 3.5 Ton 13.4 SEER2 Residential Packaged Air Conditioning Unit R-454B (208/230-1) 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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Andrey was very knowledgeable & thorough & fixed multiple issues with my old A/C units very quickly during this heatwave.

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