1PC NEW Shangfang SF-104S Digital Temperature Controller Freezer Thermostat

Description

Ashley Automation
1PC NEW Shangfang SF-104S Digital Temperature Controller Freezer Thermostat
Features
Sealed waterproof / External Relay
Meets UL certification standards
Suitable for air-cooled cryogenic control
Dual Sensor / Temperature Control
Manual, automatic electric defrost
Evaporator fan control
Time, temperature terminated defrost
Delay Start / parameter lock
Technical Data
Temperature display range: -45 ~ 45 ℃
Control temperature range: -45 ~ 45 ℃
Accuracy: ± 1 ℃
Temperature probe: two, 2 m long
Compressor: normally open 30A/250VAC
Defrost heating wire: normally open 30A/250VAC
Evaporator fan: normally open 30A/250VAC
Dimensions: 77mm (length) × 35mm (width) × 30mm (depth)
Hole Size: 71mm (length) × 29mm (W)
Parameter Description
E1 Lowest  temperature: －45℃/－40℉  ~ control the temperature,the factory value of －35℃/－31℉;
E2 Highest temperature: control temperature~45℃/120℉, the factory value of 20℃/68℉;
E3 Temperature return difference: 1～10℃/1～18℉, the factory value of4℃/7℉;
E4 Delay start-up time from 0 ~ 10minutes,the factory value of 2 minutes;
E5 Warehouse temperature probe calibration: －5～5℃/℉, the factory value of 0 ;
E6 Defrost  probe calibration:－5～5℃/℉, the factory value of 0 ;
F1 Defrost time: 1~ 60 minutes, the factory value of 20 minutes;
F2 Defrost interval: 1 ~24 hours, the factory value of 6 hours;
F3 Defrost termination temperature: 0～20℃/32～68℉ the factory value of 8℃/46℉
F4 Defrost temperature display: 0 = with compressor synchronization, 1 = defrost start temperature display;
Function Description
1, temperature control
& Compressor after a brief delay, when the storage temperature is greater than (control temperature + temperature hysteresis), the compressor starts; storage temperature is less than the control temperature, the compressor stops.
& To protect the compressor, the compressor stops each time must be longer than the delay time (E4 parameters) to restart.
2, electric defrost function:
& Only defrost defrost termination probe temperature less than the temperature (F3 parameter) to enter when defrosting, turn the heating wire.
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