ZM7132R Trainer refrigeration control Vocational Education Equipment For School Lab Air Conditioner Training Equipment
Study of an industrial case controller in a commercial freezer
Real components: case controller with control panel, expansion valve, pressure transmitter, temperature probe
Case controller controls: fan, rail heat, expansion valve, day / night output, compressor, alarm, defroster, defrost start
Front panel with system diagram, signal lamps
Temperature measurement points: environment, refrigerant outlet, air before and
after evaporator, evaporator surface (defrost sensor)