Gree sequences of operation

16 sequences for Gree equipment: what the unit does, step by step, with the timings. Pick the equipment type, then the mode.

Mini-split (16)

Startup

• Compressor restart delay and minimum run time
  Sapphire

Heating

• Anti-cold-air indoor fan delay
  Sapphire
• Heating mode
  Sapphire
• Heating mode (outdoor logic) and special modes
  Vireo GEN3
• Heating mode and anti-cold-air
  Livo GEN4
• Heating, defrost, oil return and mode conflict
  Multi21+

Cooling

• Cooling and dry mode (multi-zone)
  Multi21+
• Cooling and dry mode with protections
  Livo GEN4
• Cooling mode
  Sapphire
• Cooling, dry and fan modes (outdoor logic)
  Vireo GEN3
• Dry (dehumidify) mode
  Sapphire

Defrost

• Automatic defrost
  Sapphire
• Automatic defrost
  Livo GEN4
• Forced (compulsory) defrost from the remote
  Vireo GEN3, Kinghome HT1DI, HF1DI

Freeze protection

• Indoor coil anti-freeze protection
  Sapphire

Other

• Compressor protections and lockouts
  Multi21+

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.