打开计时器

defrost timer: The DBLT-A Series defrost timer is a single cam control which activates a SPDT switch.Both the operating cycle and switch transfer duration are pre-set at the factory and are not adjust-able.The cycle will repeat as long as the motor is energized.An internal clutch mechanism permits initial adjustment of the cycle starting time.The DBLT Series defrost timer is applicable for controlling defrost timing in the refrigerating systems of refrigerators,freezers,display cases and other refrigeration systems. Power factorCOS)125VAC 250VAC Resitence load current 1 1 8A 0.5 5A Normal current 0.75 1 6A 0.5 4A Normal current 0.45 1 24A 0.5 16A .Timing defrost requirement Work cylce(50/60Hz) Frost melting & restore time(50/60Hz) 6hr±6min/5hr±5min 20min±4min/16min40s±3min20s 6hr±6min/5hr±5min 25min±4min/20min±3min20s 7hr12min±7min/6hr±6min 25min±4min/20min±3min20s 7hr12min±7min/6hr±6min 30min±5min/25min±4min 8hr±6min/6hr±6min 5min±2min/4min10s±1min40s 8hr±6min/6hrmin±6min 24min±4min/20min±3min20s 11hr26min±10min/9hr31min±8min 7min05s±3min/5min54s±2min30s 12hr±10min/10hr±8min 42min±6min/35min±5min 13hr43min±10min/11hrrh62±8min20s 8min24s±3min/7min±2min30s 31hr12min±12min/26hr±10min 8min24s±3min/7min±2min30s