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Carrier Heat Pump Ductless 9,000/12,000 Btuh Heat Pump 4-Way Cassette Unit R-454B (208/230-1)

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Carrier Residential Heat Pump - 45MBCA Heat Pump Repair, maintenance, and replacement planning
Carrier Ductless 9,000/12,000 Btuh Heat Pump 4-Way Cassette Unit R-454B (208/230-1) product image

Technical Specifications

Product Specs

  • Model: 45MBCAQ12XA3
  • Manufacturer Number: 45MBCAQ12XA3
  • Vendor Number: 45MBCAQ12XA3
  • Catalog Brand: Carrier®, Bryant®
  • Product Family: 45MBCA
  • AHRI Usage: Indoor AHU
  • Blower Motor HP: 3/50
  • Blower Motor RPM: 700
  • Blower Motor Speeds: 7
  • Blower Motor Type: ECM (Electronically Commutated Motor)
  • Blower Motor Watts: 45
  • Blower Wheel Diameter: 12 7/10
  • Blower Wheel Width: 5 4/5
  • Brand: Carrier®, Bryant®
  • CFM: 194-365
  • CFM Heating: 194.23-364.92
  • Color: White
  • Cooling Capacity: 15,100-15,100
  • Cooling Rated Capacity Btu/h: 14800
  • Country Of Origin: CHN
  • Cycle/Hertz: 60 Hz
  • Energy Star Rated: NO
  • Evaporator Coil Fins Per Inch (FPI): 20
  • Heating Capacity: 16,200-16,200
  • Height: 9.65
  • Length: 22.44
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): 1/4"
  • Mounting Type: Ceiling Cassette
  • Multi Zone: YES
  • Number Of HVAC Zones: 1
  • OPT Code: 1P45MBCAQ12XA3
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-454B
  • Remote Control Included: YES
  • Sound Level (dBA): 26-43.5
  • Stages Cooling: 1
  • Stages Heating: 1
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): 3/8"
  • Tier: Standard
  • Tonnage: 1
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 35.27
  • Width: 22.44

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 9,000/12,000 Btuh Heat Pump 4-Way Cassette 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.

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Our Happy Customers

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Jack B.

Andrey always does a great job.

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

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