Fan Coil

Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) service and support

Carrier Residential Fan Coil - 40MPHB Fan Coil Repair, maintenance, and replacement planning

Product service snapshot

Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) service details

Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) is a Carrier® fan coil record from the Carrier Enterprise catalog. Catalog model: 40MPHBQ18XA3. Product family: 40MPHB. Green Flow Solution uses this page for residential model identification, service planning, maintenance conversations, repair diagnostics, and replacement matching.

Brand: Carrier
Model or series: Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60)
Equipment type: Fan Coil
Product group: Residential Fan Coil - 40MPHB

Technical snapshot

Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) technical snapshot

Product Specs

Model: 40MPHBQ18XA3
Manufacturer Number: 40MPHBQ18XA3
Vendor Number: 40MPHBQ18XA3
Catalog Brand: Carrier®
Product Family: 40MPHB
AHRI Usage: Indoor AHU
Approvals: ETL Listed; UL Listed
Blower Motor HP: 77/1000
Blower Motor RPM: 1,050
Blower Motor Speeds: 4
Blower Motor Type: ECM (Electronically Commutated Motor)
Blower Motor Watts: 58
Blower Wheel Width: 34 19/25"
Brand: Carrier®
CFM: 319-719
Color: White
Cooling Capacity: 18,000
Cooling Rated Capacity Btu/h: 18000
Country Of Origin: CHN
Cycle/Hertz: 50/60 Hz
Drain Connection Size: 5/8"
Energy Star Rated: NO
Height: 14.5
Length: 10.8
Liquid Line Fitting Type: Flare
Liquid Line Size (OD): 3/8"
Multi Zone: YES
OPT Code: 1P40MPHBQ18XA3
Phase: Single
Prop 65: YES
Rated Current Amps (RCA): 0.4
Rated Load Amps (RLA): 0.364
Refrigerant: R-410A
Remote Control Included: YES
Sound Level (dBA): 36.7-52.1
Suction Line Fitting Type: Flare
Suction Line Size (OD): 5/8"
Tier: Infinity™
Tonnage: 1.5
UPC: See Optical
Voltage: 208-230 VAC
Weight: 46
Width: 44.8

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 Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) 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.

Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) service questions

Can GreenFlow help with Carrier Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) service requests?

Yes. GreenFlow can help collect the right details for Carrier Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) service requests, including the model, symptoms, equipment age, building type, access notes, photos, and timing.

What symptoms should I mention for Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60)?

Helpful symptoms include no heat, no cooling, weak airflow, error codes, leaks, short cycling, unusual noise, thermostat behavior, and whether the issue is urgent or planned maintenance.

Is Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) used for residential or commercial properties?

Fan Coil requests may come from homes, condos, multi-unit properties, offices, managed buildings, and light-commercial spaces depending on the equipment type and application.

What helps schedule Carrier® Infinity® - 18000 Btu High Wall Ductless Fan Coil Unit R-410A (208/230-1-60) 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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Our Happy Customers

Atrian I.

Maintenance and repair A/c unit.

Bridget D.

Next day service, Good communication and fair pricing! They were in and out and we are fully back up and running with our thermostat.

Sheila Z.

My air conditioning died on one of the hottest days. I found green solutions online call them and within a few hours they were out to my house to figure out the problem. They came back the next day at 7 AM to fix it. All was good...

Andrey B.

Tech identified the problem, replaced the faulty part (flame sensor), and was all done inside 30 minutes. Great job!

Jennifer Q.

Andrey is a great technician. He was incredibly respectful of our home, and he worked efficiently to complete the service.Green Flow Solution scheduled us easily. I like that they text a reminder for service on the day scheduled. I especially appreciate that I didn't have to wait days...

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.