Carrier TruVu VAVB3-E2 - Wiring Sensors to the TV-VAVB3-E2 S Inputs; Wiring Specifications

Wiring sensors to the TV-VAVB3-E2's inputs
TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022
Installation and Start-up Guide All rights reserved
34
You can wire the following sensors to the controller:
• Alternate space temperature sensor (page 35)
• Supply Air Temperature sensor (page 35)
• CO
2
sensor (page 36)
• Relative Humidity sensor (page 38)
• Remote occupancy contact sensor (page 39)
NOTE This document gives instructions for wiring the sensors to the TV-VAVB3-E2. For mounting and wiring the
sensors, see the Carrier Sensors Installation Guide.
WARNING Disconnect electrical power to the TV-VAVB3-E2 before wiring it. Failure to follow this warning
could cause electrical shock, personal injury, or damage to the controller.
CAUTION
• Do not run sensor or relay wires in the same conduit or raceway with Class 1 AC or DC service wiring.
• Do not abrade, cut, or nick the outer jacket of the cable.
• Do not pull or draw cable with a force that may harm the physical or electrical properties.
• Avoid splices in any control wiring.
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)
Wiring sensors to the TV-VAVB3-E2's inputs