Carrier SPS - Page 45

Relative Humidity sensors
Carrier Sensors 41
6 Wire the sensor to the Open controller. See diagrams below and the controller's Installation and Startup
Guide for details.
Input
Output
Wiring diagram
15–36 Vdc 4–20 mA
15–36 Vdc supply voltage
4–20 mA Output
VoGnd
VinIo
21.6–26.4 Vac
(#OPNSENSRH-01 only)
4–20 mA
21.6–26.4 Vac supply voltage
4–20 mA Output
Supply ground/Signal common
VoGnd
VinIo
15–36 Vdc or
21.6–26.4 Vac
(#OPNSENSRH-01 only)
0–5 Vdc
Supply ground/Signal common
15–36 Vdc or 21.6–26.4 Vac
supply voltage
0–5 Vdc Output
VoGnd
VinIo
18–36 Vdc or
21.6–26.4 Vac
0–10 Vdc
Supply ground/Signal common
VoGnd
VinIo
18–36 Vdc or 21.6–26.4 Vac
supply voltage
0–10 Vdc Output
7 #OPNSENSRH-01 only—Make sure the power is off, then set DIP switches SW3 to the desired output.
4-20 mA
1 2 3 4
ON
0-5 Vdc
1 2 3 4
ON
0-10 Vdc
1 2 3 4
ON
8 Reattach the cover to the mounting plate.
9 Turn the two Allen screws at the bottom of the unit counterclockwise to secure the cover to the mounting
plate.
NOTES
• All wiring should be in accordance with all Local and National Electrical Code guidelines.
• If using shielded cable, connect only one end of the shield to ground at the controller. Connecting both
ends to ground may cause a ground loop.