Mitsubishi Electric SEZ-M50DA(L)2 User Manual

Details symbols, general safety rules, and cautions for new refrigerants like R32/R410A.

Provides specific warnings and cautions for service personnel regarding refrigerant handling and charging.

Outlines specific safety precautions and procedures when working with R32 refrigerant units.

Details methods for detecting refrigerant leaks and ensuring system safety during operations.

Explains the procedures for safely recovering refrigerant and proper equipment labelling.

Describes various operation settings including timers, energy saving, and fan speed.

Outlines the features, buttons, and display indicators of the wireless remote controller.

Displays the unit's wiring diagram and explains the meaning of various symbols used.

Details the procedure for performing a self-diagnosis using the wired remote controller.

Provides a list of error codes and their corresponding symptoms detected by the unit.

Covers error codes E6, E7, FB, E1, E2, PA, and PB related to communication, water leakage, and fan motors.

Guides on troubleshooting based on observed phenomena and remote controller malfunctions.

Lists criteria for checking the normal operation of main components like thermistors.