Mitsubishi sequences of operation

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

Mini-split (4)

Startup

Pump/purge

Freeze protection

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.