To Wire And Mount The Space Rh Sensors - Carrier SPS Installation Manual

Relative Humidity sensors

To wire and mount the Space RH sensors

Vdc output to controller
Ground or signal common (for
voltage output transmitters only)
Vdc or 24 Vac supply voltage
4–20mA output to controller
Relative humidity sensor
Remove the sensor's cover from the mounting plate.
1
Feed the wires from the electrical box through the wire access hole in the center of the sensor mounting
2
plate.
Use the 2 screws provided to attach the mounting plate to the electrical box.
3
Strip the outer jacket from the cable for at least 4 inches (10.2 cm). Strip .25 inch (.6 cm) of insulation
4
from each wire.
Wire the unit for power. See Typical power wiring diagrams for Space RH sensors (page 42).
5
40
Wire access hole
Mounting hole
Relative humidity temperature sensor
Mounting hole
Zero adjust potentiometer
Span adjust potentiometer
Zero Span
SW3
Io Vin Gnd Vo
SW2
S1 S2
Output selection
(#OPNSENSRH-01 only)
Carrier Sensors