CPC 203-5751 Manuel d'installation - Page 3

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Technical Bulletin - Wall-mounted RH Sensor and RH/Temperature Sensor Installation Guide

Part #: 026-4806 Revision 1 Date: 05/24/2005

RH/Temp Sensor Wiring

RH wiring is the same as the RH wiring shown in

the diagram above (Figure 2). For temp sensor

wiring, follow the steps below:

Use Belden #8761 shielded two-conductor cable

or equivalent.

Note: Seat the connector on the back plate if it

becomes dislodged.

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.

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.

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.

Finishing the Installation

Once the back plate of the sensor is mounted and the sensor and board wiring is complete:

Attach the sensor circuit board enclosure to the mounting plate. Push the top of the front part onto the mounting plate so the

hooked mounting tabs fit underneath the circuit board enclosure, and push the bottom part down so that the three prongs on

the back of the circuit board fit into the wiring connector. Continue pushing until the front part is flush with the mounting

plate.

Replace the front cover by inserting the hooked tab at the top of the cover into the slot on the front of the circuit board enclo-

sure so that it snaps into place. Press the bottom of the cover until it snaps into the enclosure.

Note: Do not expose sensor element to the fumes of curing RTV silicone rubber. Doing so will damage the calibra-

COMPUTER PROCESS CONTROLS - http://www.cpcus.com/

Figure 3 - Sensor and Input Board Wiring

tion of the element.

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