Emerson 203-5751 RH Sensor Wiring, RH/Temp Sensor Wiring, Sensor and Input Board Wiring

Models: 203-5751

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RH Sensor Wiring

Wall-Mounted RH Sensor and RH/Temperature Sensor

Product Information Sheet

203-5751

RH Sensor Wiring

1.Use Belden #8771 shielded three-conductor cable or equivalent.

NOTE: Seat the connector on the back plate if it becomes dislodged.

2.Connect the RED, BLACK, and WHITE wires to the screw terminals the sensor’s connector as shown in Figure 2. Clip the SHIELD wire.

3.Connect the SHIELD and BLACK wires to the 0V terminal of the input board (under INPUT 1). Connect the WHITE wire to the SIG terminal of the input board.

4.Connect the RED wire to the +12V power terminal on the input board.

5.Locate the input dip switch for the sensor point, and set to the OFF position (LEFT for MultiFlex, DOWN for 16AI). Refer to the input board’s user manual for locations of the input dip switches.

RH/Temp Sensor Wiring

RH wiring is the same as the RH wiring shown in the diagram(Figure 2). For temp sensor wiring, follow the steps below:

1.Use Belden #8761 shielded two-conductor cable or equivalent.

NOTE: Seat the connector on the back plate if it becomes dislodged.

2.Connect the BLACK and CLEAR wires to the screw terminals the sensor’s connector as shown in Figure 2. Clip the SHIELD wire. Note that the third terminal on the sensor connector is unused.

3.Connect the SHIELD and BLACK wires to the 0V terminal of the input board (under INPUT 2). Connect the CLEAR wire to the SIG terminal of the input board.

4.Locate the input dip switch for the sensor point, and set to the ON position (RIGHT for MultiFlex, UP for 16AI). Refer to the input board’s user manual for locations of the input dip switches.

Figure 2 – Sensor and Input Board Wiring

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Emerson 203-5751 RH Sensor Wiring, RH/Temp Sensor Wiring, Sensor and Input Board Wiring, Product Information Sheet