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Modulating digital thermostat AEK-7000 are designed to provide Proportional-Integral(PI) modulating control in 2-pipe or 4-pipe - details see: https://www.machineto.com/fan-coil-units-thermostat-10208616

Modulating digital thermostat AEK-7000 are designed to provide Proportional-Integral(PI) modulating control in 2-pipe or 4-pipe fan coil units, zoned commercial heating, ventilation and various heating and cooling applications.

AEK-7000 includes energy savings card key input, auto-detection of temperature sensor (remote sensor or internal sensor), and optional Celsius or Fahrenheit operation. Permanent user setting and program setting retention during power loss.

Specification:

Input Voltage: 24VAC, 50/60Hz
Output Voltage: Modulating output 4 to 20mA or 0-10VDC
Controllable temperature range: -40~140 °C.
Controllable humidity range:0~100%RH
External sensor: NTC10K (TSW-1000T) / 0~10VDC type sensors
Control signal output:
·3-postion control (control 3-postion type valve)
·proportional control (control proportional type valve)
1 modulating output for DC 0...10V or 0…20 mA actuators.
2 TRIAC controlled binary outputs 24VAC, option for floating output.
1 Input for DC 0…5V, 0…10V or 0…20 mA sensors.
Password protected programmable user and control parameters