VRF Air Source Outdoor Unit Low Ambient Heat Pump

6-24 Tons (208/230 and 460V)

YORK® VRF Low Ambient Heat Pump Units offer an extended operating temperature range for exceptional performance under extreme conditions.

  • Defrost cycle
  • Demand control
  • Automatic judgement system
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Optimized Technology for Better Integration

The YORK® variable refrigerant flow (VRF) low ambient heat pump unit performs in an extended operating temperature range: outdoor ambient temperatures as low as 14°F (-10°C) in the cooling mode and as low as -13°F (-25°C) in the heating mode. Its dual fan design increases airflow up to 23% while lowering sound levels, and its advanced inverter compressor modulates refrigerant flow to indoor units for precision comfort. This heat pump offers extended connection ratios of up to 150%, making it one of the best in the industry.  
Optimized Technology for Better Integration


  • Outstanding performance when outdoor ambient temperatures are as low as 14°F (-10°C) in cooling mode and as low as -13°F (-25°C) in heating mode
  • Advanced defrost cycle operation in heating mode
  • Automatic judgement system for refrigerant amount to verify refrigerant charge is correct
  • Long refrigerant piping lengths – up to 1,640 feet total pipe run
  • Power-saving demand control for reduced peak load and energy savings
  • Diagnostics and malfunction codes available at the push of a control panel button

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