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Carrier Ductless / Mini Split ® Toshiba Ductless Variable Flow (VRF) 12000 Btu Indoor Compact 4-Way Cassette Unit (208/230-1-60)

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Carrier Commercial Ductless / Mini Split - MMU-UP___1MH-UL Ductless / Mini Split Repair, maintenance, and replacement planning
Carrier® Toshiba Ductless Variable Flow (VRF) 12000 Btu Indoor Compact 4-Way Cassette Unit (208/230-1-60) product image

Technical Specifications

Product Specs

  • Model: MMU-UP0121MH-UL
  • Manufacturer Number: MMU-UP0121MH-UL
  • Vendor Number: MMU-UP0121MH-UL
  • Catalog Brand: Toshiba Carrier
  • Product Family: MMU-UP___1MH-UL
  • AHRI Usage: Indoor AHU
  • Blower Motor Speeds: 3
  • Brand: Toshiba Carrier
  • CFM: 240-350
  • Color: Gray
  • Cooling Capacity: 12,000
  • Country Of Origin: JPN
  • Cycle/Hertz: 60 Hz
  • Energy Star Rated: NO
  • Heating Capacity: 13,500
  • Height: 41
  • Length: 28
  • Liquid Line Fitting Type: Flare
  • Liquid Line Size (OD): 1/4"
  • Maximum Overcurrent Protection (MOCP): 15
  • Mounting Type: Ceiling
  • OPT Code: 1PMMU-UP0121MH-UL
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-410A
  • Sound Level (dBA): 32-40
  • Suction Line Fitting Type: Flare
  • Suction Line Size (OD): 3/8"
  • Tonnage: 1
  • UPC: See Optical
  • Voltage: 208-240 VAC
  • Weight: 35
  • Width: 26

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) 12000 Btu Indoor Compact 4-Way Cassette Unit (208/230-1-60) 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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Jenny W.

Great service! On time, knowledgeable & professional

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Terry S.

Excellent service from best tech!

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