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Carrier Heat Pump ® Toshiba Ductless Variable Flow (VRF) 42,000 Btu Indoor Heat Pump Underceiling Unit (230/208-1-60)

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Carrier Commercial Heat Pump - MMC Heat Pump Repair, maintenance, and replacement planning
Carrier® Toshiba Ductless Variable Flow (VRF) 42,000 Btu Indoor Heat Pump Underceiling Unit (230/208-1-60) product image

Technical Specifications

Product Specs

  • Model: MMC-AP0421H2UL
  • Manufacturer Number: MMC-AP0421H2UL
  • Vendor Number: MMC-AP0421H2UL
  • Catalog Brand: Toshiba Carrier
  • Product Family: MMC
  • AHRI Usage: Indoor AHU
  • Approvals: ETL Listed
  • Blower Motor Speeds: 3
  • Brand: Toshiba Carrier
  • CFM: 730-950
  • Color: White
  • Cooling Capacity: 42,000
  • Country Of Origin: USA
  • Cubic Measurement: 8.0747
  • Cycle/Hertz: 60 Hz
  • Energy Star Rated: NO
  • Heating Capacity: 47,500
  • Height: 8.3125
  • Length: 26.75
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): 3/8"
  • Maximum Overcurrent Protection (MOCP): 15
  • Mounting Type: Concealed Ducted
  • OPT Code: 1PMMC-AP0421H2UL
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-410A
  • Sound Level (dBA): 39.5-46
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): 5/8"
  • Tonnage: 3.5
  • UOM: EA
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 75
  • Width: 62.75

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® Toshiba Ductless Variable Flow (VRF) 42,000 Btu Indoor Heat Pump Underceiling Unit (230/208-1-60) 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

Jenny W.

Great service! On time, knowledgeable & professional

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

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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