Heat Pump

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

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

Product service snapshot

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

Ductless 48000 Btuh Heat Pump Multizone Outdoor Unit R-454B (208/230-1) is a Carrier®, Bryant® heat pump record from the Carrier Enterprise catalog. Catalog model: 37MGHAQ48FA3. Product family: 37MGHA. 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 Multizone Outdoor Unit R-454B (208/230-1)
Equipment type: Heat Pump
Product group: Residential Heat Pump - 37MGHA

Technical snapshot

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

Product Specs

Model: 37MGHAQ48FA3
Manufacturer Number: 37MGHAQ48FA3
Vendor Number: 37MGHAQ48FA3
Catalog Brand: Carrier®, Bryant®
Product Family: 37MGHA
AHRI Usage: Outdoor
Brand: Carrier®, Bryant®
CFM: 4,502.648617
Color: White
Compressor Type: Rotary
Condenser Fan CFM: 4503
Condenser Motor HP: 1/6
Condenser Motor RPM: 800
Condenser Motor Speeds: Multiple
Condenser Motor Type: PSC (Permanent Split Capacitor)
Cooling Capacity: 48,000
Cooling Rated Capacity Btu/h: 52000
Country Of Origin: CHN
Cycle/Hertz: 60 Hz
EER: 11.7-15
EER2: 11.7-12
Energy Star Rated: YES
Heating Capacity: 60,000-60,000
Heating Capacity @ 5 Deg: 48000
Height: 52.48
High Heat: YES
Length: 17.63
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): (6) 1/4"
Maximum Overcurrent Protection (MOCP): 45
Maximum Piping Height: 49.21'
Maximum Piping Length: 262.5'
Metering Device: EEV - Electronic Expansion Valve
Number Of HVAC Zones: 6
OPT Code: 1P37MGHAQ48FA3
Phase: Single
Prop 65: YES
Rated Current Amps (RCA): 1.19
Rated Load Amps (RLA): 7.3
Refrigerant: R-454B
Refrigerant Charge: 9.48 Lbs.
SEER: 20.5-23
SEER2: 20.5-23
Stages Cooling: 1
Stages Heating: 1
Suction Line Fitting Type: Flare
Suction Line Size (OD): (4) 3/8", (2) 1/2
Tonnage: 4
UPC: See Optical
Voltage: 208-230 VAC
Weight: 246.48
Width: 37.25

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 Multizone 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 Multizone Outdoor Unit R-454B (208/230-1) service questions

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

Yes. GreenFlow can help collect the right details for Carrier Ductless 48000 Btuh Heat Pump Multizone 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 Multizone 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 Multizone 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 Multizone 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.