COOLING APPARATUS

PROBLEM TO BE SOLVED: To set a practicing time of a defrosting operation arbitrarily by a defrosting timer and previously prevent malfunction caused by forgetting to set the defrosting timer or a breakdown. SOLUTION: A defrosting timer in which a user sets a practicing time of a desired defrosting o...

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Bibliographische Detailangaben
1. Verfasser:	ISHIHARA MICHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CHEWING GUM COCOA COCOA PRODUCTS, e.g. CHOCOLATE COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS CONFECTIONERY COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS FOODS OR FOODSTUFFS HEAT PUMP SYSTEMS HEATING HUMAN NECESSITIES ICE-BOXES ICE-CREAM LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PREPARATION THEREOF RANGES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS SUBSTITUTES FOR COCOA OR COCOA PRODUCTS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To set a practicing time of a defrosting operation arbitrarily by a defrosting timer and previously prevent malfunction caused by forgetting to set the defrosting timer or a breakdown. SOLUTION: A defrosting timer in which a user sets a practicing time of a desired defrosting operation and consisting of a 24-hour timer is provided. A microcomputer inputs an on-operation signal from the defrosting timer (S1; Y), implementing the defrosting operation to a cooling machine (S4). The microcomputer implements an error display and a forced-defrosting operation (S7, S8) when a state in which the on-operation signal from the defrosting timer is not outputted lasts for 25 hours (S2; Y). The error display is continued to a next defrosting operation according to the on-operation signal from the defrosting timer (S2, S3).