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Carrier 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) service and support

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Carrier Residential Fan Coil - FMA5L Fan Coil Repair, maintenance, and replacement planning
Carrier 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) product image

Product service snapshot

Carrier 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) service details

1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) is a Carrier®, Bryant®, Payne® fan coil record from the Carrier Enterprise catalog. Catalog model: FMA5L1808AL. Product family: FMA5L. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

  • Brand: Carrier
  • Model or series: 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B)
  • Equipment type: Fan Coil
  • Product group: Residential Fan Coil - FMA5L

Technical snapshot

1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) technical snapshot

Product Specs

  • Model: FMA5L1808AL
  • Manufacturer Number: FMA5L1808AL
  • Vendor Number: FMA5L1808AL
  • Catalog Brand: Carrier®, Bryant®, Payne®
  • Product Family: FMA5L
  • AHRI Usage: Indoor AHU
  • Air Flow Direction: Upflow
  • Approvals: ETL Listed
  • Blower Motor HP: 1/6
  • Blower Motor RPM: 1,075
  • Blower Motor Speeds: 3
  • Blower Motor Type: PSC (Permanent Split Capacitor)
  • Brand: Carrier®, Bryant®, Payne®
  • CFM: 650
  • Cabinet Width: 20.5
  • Color: Gray
  • Cooling Capacity: 18,000
  • Cooling Rated Capacity Btu/h: 18000
  • Country Of Origin: MEX
  • Cycle/Hertz: 60 Hz
  • Drain Connection Size: 3/4"
  • Electric Heat Range [kW]: 7.5
  • Energy Star Rated: NO
  • Evaporator Coil Fins Per Inch (FPI): 17
  • Filter Size: 15 1/2" x 19 1/2" x 3/4
  • Height: 36.5
  • Includes Filter Rack: YES
  • Length: 15
  • Liquid Line Fitting Type: Sweat or Braze
  • Liquid Line Size (OD): 3/8"
  • Maximum Overcurrent Protection (MOCP): 15
  • Metering Device: TXV/TEV - Thermostatic Expansion Valve
  • OPT Code: 1PFMA5L1808AL
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-454B
  • Stage: 1
  • Suction Line Fitting Type: Sweat or Braze
  • Suction Line Size (OD): 3/4"
  • Tonnage: 1.5
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 88
  • Width: 20.5

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 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (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.

1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) service questions

Can GreenFlow help with Carrier 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) service requests?

Yes. GreenFlow can help collect the right details for Carrier 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B)?

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 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (R-454B) used for residential or commercial properties?

Fan Coil 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 1.5 Ton w/7.5kW Heater Apartment Fan Coil Unit (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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Natalee B.

The technician came and did a wonderful job, we are very happy. He was professional and knowledgeable. Everything was resolved.

Thabiti B.

Quick, highly competent and professional. Green Flow did great work.

Atrian I.

Maintenance and repair A/c unit.

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Andrey B.

Tech identified the problem, replaced the faulty part (flame sensor), and was all done inside 30 minutes. Great job!

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Hana is very very nice to deal with

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