Temperature controller

摘要

PROBLEM TO BE SOLVED: To provide a temperature control chamber controlled not to perform unnecessary defrosting operation during a cooling operation.;SOLUTION: In a temperature control chamber 10, during performing a cooling operation for cooling a storage chamber 12 by a cooler 20 so that it gets a predetermined temperature until a predetermined time when a cooling operation time becomes a frosting standby time, a controller 50 is controlled to perform a defrosting operation for defrosting an evaporator 25 by a heater 31 and it is controlled not to operate a defrosting operation even when the cooling operation time becomes the defrosting standby time when a residual time until it becomes a predetermined time of a cooling operation becomes shorter than a defrosting operation cancel time for cancelling a defrosting operation.;SELECTED DRAWING: Figure 4;COPYRIGHT: (C)2019,JPO&INPIT