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Carrier Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) service and support

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Carrier Residential Heat Pump - 45MBDA Heat Pump Repair, maintenance, and replacement planning
Carrier Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) product image

Product service snapshot

Carrier Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) service details

Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) is a Carrier®, Bryant®, Payne® heat pump record from the Carrier Enterprise catalog. Catalog model: 45MBDAQ48XH3. Product family: 45MBDA. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

  • Brand: Carrier
  • Model or series: Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1)
  • Equipment type: Heat Pump
  • Product group: Residential Heat Pump - 45MBDA

Technical snapshot

Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) technical snapshot

Product Specs

  • Model: 45MBDAQ48XH3
  • Manufacturer Number: 45MBDAQ48XH3
  • Vendor Number: 45MBDAQ48XH3
  • Catalog Brand: Carrier®, Bryant®, Payne®
  • Product Family: 45MBDA
  • AHRI Usage: Indoor AHU
  • Approvals: ETL Listed
  • Blower Motor HP: 3/4
  • Blower Motor RPM: 1,000
  • Blower Motor Speeds: 3
  • Blower Motor Type: ECM (Electronically Commutated Motor)
  • Blower Motor Watts: 515
  • Blower Wheel Diameter: 8 1/10"
  • Blower Wheel Width: 9 1/5"
  • Brand: Carrier®, Bryant®, Payne®
  • CFM: 1,059.48-1,648.08
  • CFM Heating: 1,059.48-1,648.08
  • Color: Gray
  • Cooling Capacity: 48,000
  • Cooling Rated Capacity Btu/h: 48000
  • Country Of Origin: CHN
  • Cycle/Hertz: 60 Hz
  • Energy Star Rated: YES
  • Evaporator Coil Fins Per Inch (FPI): 19
  • Heating Capacity: 48,000
  • Height: 11.81
  • Length: 29.53
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): 3/8"
  • Metering Device: EEV - Electronic Expansion Valve
  • Mounting Type: Concealed Ducted
  • Multi Zone: YES
  • OPT Code: 1P45MBDAQ48XH3
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-454B
  • Remote Control Included: YES
  • Sound Level (dBA): 40-51
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): 3/4"
  • Tier: Standard
  • Tonnage: 4
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 111.33
  • Width: 47.24

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 Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil 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.

Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) service questions

Can GreenFlow help with Carrier Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil 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 Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1)?

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 Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil Unit R-454B (208/230-1) 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 Ductless 48000 Btuh Slim Ducted Heat Pump Fan Coil 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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Qin S.

I had a great experience with Green Flow Solution. They were responsive, professional. The technician quickly diagnosed the issue and explained everything clearly. The repair was done efficiently, and the system is running perfectly now. I really appreciated their honesty, and excellent customer service. Highly recommended for anyone...

Thabiti B.

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

cecilia S.

Quick and efficient

Mohammad P.

Hana is very very nice to deal with

David L.

Quick to provide service and diagnose. Provided a fair quote and honored the quote. Had to order the piece that was needed. Technician offered to come on Sunday to provide service. Would hire again.

Josh M.

Timely and friendly service, highly recommended.

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