Carrier RTU OPEN 11-808-427-01 - Manual (Page 39)

RTU Open 33
To wire a status switch to the controller
NOTES
•
Binary inputs 3, 5, 8, and 9 are configurable and may be used for Fan Status, Filter Status, Remote
Occupancy, or Door Contacts, if they have not already been used for their default functions.
• Follow device manufacturer's installation and operating instructions.
Wiring a compressor safety
This is typically provided by the manufacturer with the rooftop equipment. A compressor safety status may be
monitored if available.
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)