Midea sequences of operation

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

Furnace (4)

Ignition

• Failed ignition and re-ignition
  A2L 96 percent two-stage (BGH96M)
• Low fire heat call (W1 only)
  A2L 96 percent two-stage (BGH96M)

Heating

• High fire heat call (W1 + W2)
  A2L 96 percent two-stage (BGH96M)

Other

• Refrigerant leak sensor response (A2L coil)
  A2L 96 percent two-stage (BGH96M)

Heat pump (2)

Startup

• Compressor start and system protections
  DLCMRBH, DLCMHBH multi-zone outdoor

Defrost

• Multi-zone defrost entry and exit
  DLCMRBH, DLCMHBH multi-zone outdoor

Mini-split (2)

Startup

• Start protection and compressor stop rules
  DLFSHB high wall

Defrost

• Defrost mode
  DLFSHB high wall

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.