Carrier VVT Zone - Page 22

Installation
18 VVT Zone Controller
Wiring diagram for #33ZCSPTCO2:
#33ZCT55CO2
1 Wire the sensor to the controller. See appropriate diagram below.
2 Install a field supplied 250 Ohm 1/4 watt 2% tolerance resistor across the controller's RH/CO2 and Gnd
terminals.
3 Verify that the RH/CO2 jumper is set to 0-5Vdc on the VVT Zone Controller.