Setra Systems SRMD Quick Start Manual Download Page 3

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3.0 WIRING TO THE DISPLAYS

Shown in Fig. 3 is a wiring diagram and picture of the back of the mounting
plate.

Note that each display has a terminal strip. If you are using field sensors

that are not Setra’s SRH humidity/temperature sensors, then calibrate the display
according to Section 4 before completing the wiring shown here.

Fig. 3

Wiring:

+E - Excitation, 24 VAC

COM - 2 terminals connected together, wire
to 24 VAC and to common of the field sensor

+S - wire to the field sensor

Input Wiring

Summary of Contents for SRMD

Page 1: ...lue 2 Faceplate Bezel White or Metallic Finish as ordered 3 Engineering units label set Note IfadualdisplayisorderedwithaSRHtemperatureorhumiditysensorandacolorspecifiedtomatch each oryourownsensors w...

Page 2: ...sion would be 2 wires and the dual display needs 2 wires for each of the two displays Run the wiring to the 24 VAC DC source and to the sensors that are to be monitored The power to the sensors is not...

Page 3: ...nal strip If you are using field sensors that are not Setra s SRH humidity temperature sensors then calibrate the display according to Section 4 before completing the wiring shown here Fig 3 Wiring E...

Page 4: ...display 0 to 100 factory default setting Calibration requires a calibrated Voltage Source to simulate the sensor analog output Set range dip switch to either 5 V for a 0 to 5 V input or 10 V for a 0 t...

Page 5: ...tup Humidity Sensor Apply 0 V and if necessary turn the ZERO potentiometer pot until the display reads 0 0 apply 5 VDC and turn the pot labeled 5V until the display reads 100 0 Setup Temperature Senso...

Page 6: ...he depth of the electrical box relative to the finish wall see Fig 2 install the mounting plate to the electrical box Be sure that the displays are installed right side up Install the 2 mounting screw...

Page 7: ...pins with the rubber grommets in the mounting plate Slowly and evenly push the bezel until the back of the bezel is flush against the finish wall Choose the appropriate Engineering unit labels for th...

Page 8: ...r normal installation use and service e SETRA is notified in advance of and the product is returned to SETRA transportation prepaid Unless otherwise specified in a manual or warranty card or agreed to...