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Toshiba Carrier u-Series Three Phase Heat Pump Unit
MMYH-U

6.0 to 40.0 Tons

The new u-Series Elite Heat models work in the most extreme temperatures—for an expanded operation range that’s ideal for those too-cold climates.


carrier-AHRI-1230-vrf-multi-split
carrier-intertek-ETL-listed-C-US

Performance Features

New Elite Heat Model (6-30 tons)

  • Increased heating operation range down to -22F (down to -30F for Elite Heat Models) 
  • Increased cooling operation from -10F to 125F 
  • New heat exchanger design with increased surface area
  • High performance outdoor units with all Inverter driven twin and tri-rotary compressor 
  • DC Inverter condenser fan motor 
  • 208/230-3-60Hz or 460-3-60Hz voltage

Reliability Features

New DLC (diamond like coating) coating for compressor vanes for enhanced reliability

  • 2 Stage compressor vanes for reduced vane stress during operation 
  • All equipment wiring complies with NEC requirements 
  • Unit constructed in accordance with ETL requirements 
  • Unit performance is in accordance with AHRI 1230 standards 
  • Compressor and condenser fan motor are Inverter driven 
  • Finned tube heat exchanger 
  • Suitable for R-410a refrigerant

Installation Features

Two (2) different chassis with reduced footprint from previous e-Series models

  • Indoor units can be connected using Y-branch joints, branch headers, flow selector box or multiport flow selector box 
  • Factory provided controls 
  • Individual power connection for each module 
  • Outdoor units are connected using twinning kits provided from factory

Field-Installed Accessories

New factory offered snow hood accessory for low ambient operation

Effective 8/1/24, the warranty for our VRF equipment will include an opportunity for a 10-year parts and compressor limited warranty. If not registered within 90 days, the warranty will be a 5-year parts and 7-year compressor limited warranty.1

See warranty certificate for details.

1Except for residential applications in California and Quebec and other jurisdictions that prohibit warranty benefits conditioned on registration.

Performance Features

New Elite Heat Model (6-30 tons)

  • Increased heating operation range down to -22F (down to -30F for Elite Heat Models) 
  • Increased cooling operation from -10F to 125F 
  • New heat exchanger design with increased surface area
  • High performance outdoor units with all Inverter driven twin and tri-rotary compressor 
  • DC Inverter condenser fan motor 
  • 208/230-3-60Hz or 460-3-60Hz voltage

Reliability Features

New DLC (diamond like coating) coating for compressor vanes for enhanced reliability

  • 2 Stage compressor vanes for reduced vane stress during operation 
  • All equipment wiring complies with NEC requirements 
  • Unit constructed in accordance with ETL requirements 
  • Unit performance is in accordance with AHRI 1230 standards 
  • Compressor and condenser fan motor are Inverter driven 
  • Finned tube heat exchanger 
  • Suitable for R-410a refrigerant

Installation Features

Two (2) different chassis with reduced footprint from previous e-Series models

  • Indoor units can be connected using Y-branch joints, branch headers, flow selector box or multiport flow selector box 
  • Factory provided controls 
  • Individual power connection for each module 
  • Outdoor units are connected using twinning kits provided from factory

Field-Installed Accessories

New factory offered snow hood accessory for low ambient operation

Effective 8/1/24, the warranty for our VRF equipment will include an opportunity for a 10-year parts and compressor limited warranty. If not registered within 90 days, the warranty will be a 5-year parts and 7-year compressor limited warranty.1

See warranty certificate for details.

1Except for residential applications in California and Quebec and other jurisdictions that prohibit warranty benefits conditioned on registration.