Ductless / Mini Split

Carrier Ductless / Mini Split Ductless 24,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1)

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Carrier Residential Ductless / Mini Split - 37MHRAC Ductless / Mini Split Repair, maintenance, and replacement planning

Technical Specifications

Product Specs

Model: 37MHRAC24AA3
Manufacturer Number: 37MHRAC24AA3
Vendor Number: 37MHRAC24AA3
Catalog Brand: Carrier®, Bryant®, Payne®
Product Family: 37MHRAC
AHRI Usage: Outdoor
Approvals: ETL Listed; UL Listed
Brand: Carrier®, Bryant®, Payne®
Color: White
Compressor Type: Rotary
Condenser Coil Fins Per Inch (FPI): 22
Condenser Fan CFM: 1354
Condenser Motor HP: 3/50
Condenser Motor RPM: 950
Condenser Motor Speeds: 3
Condenser Motor Type: ECM (Electronically Commutated Motor)
Condenser Motor Watts: 62
Cooling Capacity: 5,800-22,600
Cooling Rated Capacity Btu/h: 22000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
EER2: 10.2
Energy Star Rated: YES
Fan Diameter: 17.1
Height: 21.81
High Heat: NO
Inverter: YES
Length: 12.99
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 1/4"
Maximum Overcurrent Protection (MOCP): 20
Maximum Piping Height: 82.02
Maximum Piping Length: 24.6
Metering Device: Capillary Tube
Number Of HVAC Zones: 1
OPT Code: 1P37MHRAC24AA3
Phase: Single
Prop 65: YES
Rated Current Amps (RCA): 0.75
Refrigerant: R-454B
Refrigerant Charge: R-454B
SEER2: 21.1
Stages Cooling: 1
Suction Line Fitting Type: Flare
Suction Line Size (OD): 5/8"
Tier: Comfort™
Tonnage: 2
UPC: See Optical
Voltage: 208-230 VAC
Weight: 67.02
Width: 31.69

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 24,000 Btuh Single-Zone Outdoor Cooling Unit R-454B (208/230-1) requests

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.

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

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

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...

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

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