DEI-104F is a digital thermostat temperature controller designed primarily for refrigeration applications, such as freezers, chillers, display fridges, and small cold rooms. It monitors temperature and controls compressor operation automatically based on your setpoint.
Key Specifications
~Sensor type: NTC temperature probe included (usually ~1.5 m long).
~Temperature control range: approximately −40 °C to +55 °C, with a typical tolerance ~ ±0.5 °C or ±1 °C.
~Display range: shows real-time measured temperature (often same range −40 °C to +55 °C).
~Power supply: AC 230 V ±10 % 50/60 Hz.
~Power use: low-power unit (~5 W).
~Contact output for compressor: ~7(3) A at 230 VAC.
~Defrost support: programmable defrost/stop-compressor timer on many versions.
~Panel size: ~76×34.5 mm front mounting; cutout ~72×30 mm.
Typical Uses
Refrigerators and freezers (commercial or small-scale)
Cold rooms or chill display cases
General HVAC temperature control with compressor cycling
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