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Carrier Air Handler ® Toshiba Ductless Variable Flow (VRF) 12000 BTU Indoor Vertical Air Handler Unit (208/230-1-60)

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Carrier Commercial Air Handler - MMD-UP_VHG-UL Air Handler Repair, maintenance, and replacement planning
Carrier® Toshiba Ductless Variable Flow (VRF) 12000 BTU Indoor Vertical Air Handler Unit (208/230-1-60) product image

Technical Specifications

Product Specs

  • Model: MMD-UP0121VHG-UL
  • Manufacturer Number: MMD-UP0121VHG-UL
  • Vendor Number: MMD-UP0121VHG-UL
  • Catalog Brand: Toshiba Carrier
  • Product Family: MMD-UP_VHG-UL
  • AHRI Usage: Indoor AHU
  • Approvals: ETL Listed
  • Blower Motor Speeds: 3
  • Brand: Toshiba Carrier
  • CFM: 340-480
  • Color: Gray
  • Cooling Capacity: 12,000
  • Country Of Origin: Varies
  • Cycle/Hertz: 60 Hz
  • Energy Star Rated: NO
  • Heating Capacity: 13,500
  • Height: 46.875
  • Length: 22.25
  • Liquid Line Fitting Type: Sweat or Braze
  • Liquid Line Size (OD): 1/4"
  • Maximum Overcurrent Protection (MOCP): 15
  • Mounting Type: Ducted Multi-Position
  • OPT Code: 1PMMD-UP0121VHG-UL
  • Phase: Single
  • Prop 65: YES
  • Refrigerant: R-410A
  • Sound Level (dBA): 36.8-41.4
  • Stage: 1
  • Suction Line Fitting Type: Sweat or Braze
  • Suction Line Size (OD): 3/8"
  • Tonnage: 1
  • UPC: See Optical
  • Voltage: 208-230 VAC
  • Weight: 130
  • Width: 17.75

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) 12000 BTU Indoor Vertical Air Handler 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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Our Happy Customers

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

Murali S.

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

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

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