VVT Zone Controller 19
Wiring diagram for #33ZCT55CO2:
Wiring a Relative Humidity sensor
Part #OPNSENSRH-01
The Relative Humidity (RH) sensor is used for zone humidity control (dehumidification) if the rooftop unit has
a dehumidification device. If not, the sensor only monitors humidity.
NOTE Do not use a relative humidity sensor and CO
2
sensor on the same zone controller.
Wiring specifications
Cable from sensor to controller: If <100 ft (30.5 meters) 22 AWG, unshielded
If >100 ft (30.5 meters) 22 AWG, shielded
Maximum length: 500 feet (152 meters)
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