Heat Pump

Carrier Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service and support

Carrier Residential Heat Pump - 37MGRA Heat Pump Repair, maintenance, and replacement planning

Product service snapshot

Carrier Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service details

Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) is a Carrier®, Bryant®, Payne® heat pump record from the Carrier Enterprise catalog. Catalog model: 37MGRAQ48FA3. Product family: 37MGRA. 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 Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1)
Equipment type: Heat Pump
Product group: Residential Heat Pump - 37MGRA

Technical snapshot

Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) technical snapshot

Product Specs

Model: 37MGRAQ48FA3
Manufacturer Number: 37MGRAQ48FA3
Vendor Number: 37MGRAQ48FA3
Catalog Brand: Carrier®, Bryant®, Payne®
Product Family: 37MGRA
AHRI Usage: Outdoor
Approvals: ETL Listed; UL Listed
Brand: Carrier®, Bryant®, Payne®
CFM: 4,502
Color: Gray
Compressor Type: Rotary
Condenser Motor HP: 9/100
Condenser Motor RPM: 800
Condenser Motor Speeds: 3
Condenser Motor Type: ECM (Electronically Commutated Motor)
Cooling Capacity: 48,000
Cooling Rated Capacity Btu/h: 48000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
EER2: 10.4
Energy Star Rated: YES
Heating Capacity: 13,000-53,000
Heating Capacity @ 5 Deg: 37000
Height: 52.48
High Heat: NO
Length: 16.34
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): (6) 1/4"
Maximum Overcurrent Protection (MOCP): 40
Maximum Piping Height: 49.21
Maximum Piping Length: 262.5
Metering Device: EEV - Electronic Expansion Valve
Number Of HVAC Zones: 6
OPT Code: 1P37MGRAQ48FA3
Phase: Single
Prop 65: YES
Rated Current Amps (RCA): 1
Rated Load Amps (RLA): 16.3
Refrigerant: R-454B
Refrigerant Charge: 9.26 lbs
SEER2: 22.25
Stages Cooling: 1
Stages Heating: 1
Suction Line Fitting Type: Flare
Suction Line Size (OD): (2) 1/2" + (4) 3/8
Tier: Standard
Tonnage: 4
UPC: See Optical
Voltage: 208-230 VAC
Weight: 222
Width: 37.48

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 Heat Pump Multi-Zone Outdoor 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.

Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service questions

Can GreenFlow help with Carrier Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor Unit R-454B (208/230-1) service requests?

Yes. GreenFlow can help collect the right details for Carrier Ductless 48000 Btuh Heat Pump Multi-Zone Outdoor 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 Heat Pump Multi-Zone Outdoor 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 Heat Pump Multi-Zone Outdoor 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 Heat Pump Multi-Zone Outdoor 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.

Popular cities

Service Areas

Boston, MA

Worcester, MA

Lowell, MA

View All

Our Happy Customers

Steven W.

My furnace stopped blowing out heat on a Saturday night during the winter and these guys came over in an hour! Andrey identified that a part had broken (high limit switch) that needed to be ordered. Fortunately for us, he was able to find a workaround solution that...

Gary H.

Fast and neat work

Roger L.

Green Flow Solutions was a pleasure to work with. Great communication, really timely and completed the job smoothly. Highly recommend!

Shaun M.

The team was attentive and persistent at finding and resolving our problem

Ted O.

Quick and professional service. Would give more stars if possible. Just amazing.

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...