Engineered Comfort Fan Coil Controller EZstat Spécifications télécharger pdf (Page 8)

Installation and Operation Manual

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Fan Coil Controller – EZstat

EC-EZstat

Date: 9-2014 Supersedes: NEW

Engineered Comfort reserves the right to change any information concerning product or speciﬁcation without notice or obligation.

Page 8 of 36

Turn Counterclockwise unl

the screw engages the base.

 4.2 ConnecngInputs

The inputs for the EZstat are congured for specic funcons and do not require set up in the eld. Not all inputs are

required for every model or applicaon.

  Remotespacetemperaturesensor(oponal)

Connect a 10kΩ, Type II thermistor temperature sensor (Nailor part #H1‑1989) to the remote space temperature (RS)

input and ground (GND) terminals. The input includes the internal pull‑up resistor. Follow the instrucons supplied with

the sensor for installaon.

When a remote space temperature input is connected to the EZstat, the remote temperature is used instead of the

internal temperature sensor.

Fig. 4-1 Wiring for remote space temperature sensor

To prevent mounng screw heads from toughing the circuit board in the controller, use only the mounng

screws supplied. Using screws other than the type supplied may damage the EZstat unit.

GRD

7. Turn the Allen screw counterclockwise unl it backs out of the mounng base and engages the case.

Discharge air temperature

Connect a 10kΩ, Type III thermistor temperature (Nailor part #H1‑0246) probe to the discharge air temperature (DAT)

input. The input includes the internal pull‑up resistor.

Fig. 4-2 Wiring for Discharge Air Temperature Sensor

GND

DAT

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Engineered Comfort Fan Coil Controller EZstat Spécifications Page 8