Wiring Sensors To The Tv-Vavb3-E2'S Inputs; Wiring Specifications - Carrier TruVu VAVB3-E2 Installation And Startup Manual

Wiring sensors to the TV-VAVB3-E2's inputs

Wiring sensors to the TV-VAVB3-E2's inputs
You can wire the following sensors to the controller:
•
Alternate space temperature sensor (page 35)
•
Supply Air Temperature sensor (page 35)
•
CO sensor (page 36)
2
•
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:
Maximum length:
TruVu™ VAVB3-E2
Installation and Start-up Guide
If <100 ft (30.5 meters)
If >100 ft (30.5 meters)
500 feet (152 meters)
34
22 AWG, unshielded
22 AWG, shielded
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