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ESM-3712-CN

Emko

Digital ON/OFF +

DEFROST Cooling Controller

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3 Output for compressor, defrost and fan controls
Separately adjustable 2 offset value for cabinet and evaporator sensor
Operation selection of compressor operate continously,
stops or operates periodically in case of cabinet probe defect
Fan can be operated depending on evaporator temperature or
(cabinet-evaporator) temperature
Cooling Application
NTC Input or PTC Input (Must be determined in order.)
ON/OFF Control
Adjustable °C and°F
Set value boundaries
Selectable defrost function (hot gas or electric)
Adjustable defrost time from front panel
Installing parameters using Prokey (Optional)
Remote access, data collecting and controlling with ModBus RTU (Optional)

Physical Features
Dimensions 76mm x 34,5mm x 71mm
Protection Class IP65 at front, IP20 at rear
Installation Fixed Installation
Storage / Operating Temperature -40°C with +85°C / 0 °C with +50°C
Storage / Operating Humidity 90 % max. (None condensing)
Electrical Features
Supply Voltage and Power 230 Vac (+%15) 50/60 Hz. 1.5 VA
115 Vac(+%15) 50/60 Hz. 1.5 VA
24 Vac(+%15) 50/60 Hz. 1.5 VA
24Vac/dc (+%15) 50/60 Hz
100-240Vac 50/60Hz
10-30Vdc 1.5 W
Sensor Inputs NTC (10k ohm @.25 °C)
PTC(1000 ohm @.25 °C)
Optional Sensor Inputs
Scale NTC -50°C…100°C / -50.0°C…100.0°C
PTC -50°C…150°C / -50.0°C…150.0°C
Accuracy ± % 1 of full scale for the Thermoresistance
Output
Relay Output 16(8)A@250 Vac at resistive load (Compressor Output)
5A@250 Vac at resistive load (Defrost Output)
5A@250 Vac at resistive load (Fan Output)
SSR Output
Analogue Output
Optional Outputs
Control
Control Form On / Off
Reading Frequency 3 readings per second
Communication Protocols RS-485
Approvals EAC, CE
Brands

Emko

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