Wiring Sensors To The Vav Zone Ii's Inputs - Carrier VAV Zone II Installation And Startup Manual

Installing the VAV Zone II
Wire the TruVu™ ET Display's RS485 connector to the <ALCProduct>'s Rnet port, G to Gnd, + to Rnet +, - to
2
Rnet - using 2-conductor 22 AWG wire with a maximum distance of 500 feet (152 meters).
Turn on the VAV Zone II's power.
3
For complete TruVu™ ET Display installation instructions, see the TruVu™ ET Display Installation and Start-up
Guide.

Wiring sensors to the VAV Zone II's inputs

You can wire the following sensors to the controller:

Alternate space temperature sensor (page 23)

Supply Air Temperature sensor (page 23)

CO sensor (page 24)
2

Relative Humidity sensor (page 25)

Remote occupancy contact sensor (page 26)
NOTE This document gives instructions for wiring the sensors to the VAV Zone II. For mounting and wiring the
sensors, see the Carrier Sensors Installation Guide.
WARNING Disconnect electrical power to the VAV Zone II 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.
VAV Zone II Controllers
Installation and Start-up Guide
22
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