Sanyo MDF-U730 Service Manual page 4

Features
HFC refrigerant
Refrigerant circuit contains HFC refrigerant that effect to environment little.
Latest cooling system reduces negative factor to global environment. With ambient
temperature shown at 35°C, while temperature inside chamber maintains -35°C.
PCM structure
PCM structure reduces amount of organic solvent.
Internal cooled air forced circulation
Internal cooled air forced circulation by internal fan motor is adopted to ensure the
uniform internal temperature.
Digital display and digital setting
Digital display indicates the internal temperature. Thermister sensor is adopted as
a temperature sensor because it has high stability of accuracy.
Microcomputer controls internal temperature by receiving signal from thermister
sensors.
The unit has various kinds of safety functions, such as high temperature alarm.
Alarm is shown by blinking LED lamp and buzzer sounds.
The unit also has remote alarm contact.
Auto defrosting function
Defrost is performed by special heater installed in cooling unit for a short time.
The unit also has manual defrosting function to be able to defrost at regular timing.