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Carrier Gen 2 Vvt Manual

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    Page 1 Installation, Service, and Troubleshooting Instructions PART NO. 33CSZC--01AND33CSZC--PI CONTENTS Page GENERAL................................. 2 INSTALLATION............................ 2-4 Zone Controller Placement................. 2 Wiring Requirements...................... 2 Damper Circuit Board Installation.......... 2 Wiring Connections........................ 2 Indoor-Air Quality (IAQ) Sensor Installation....................... 3 Provide Power To Damper Circuit Board.... 4...
    Page 2 GENERAL The zone controller operates in a VVTtsystem. The VVT system allows a single-zone heating/cooling unit to operate as a multiple-zone system. The conditioned space is divided into occupied zones. Each occupied zone is monitored by a zone controller. The zone controller regulates the amount of conditioned air entering a zone through the control of a supply- air damper. Air¯ow to each zone is controlled individually by each zone controller. Each zone controller communicates with the monitor ther-...
    Page 3 Electric shock can cause injury or death. Ensure power to the transformer has been disconnected before wiring. WIRE NETWORK TO ZONE CONTROLLER Ð Connect the black, red, and green wires from the network cable to the terminals on the zone controller wiring connector board. WIRE SENSORS TO DAMPER BOARD Ð The damper board sensor wiring bundle contains the wires required to connect the sensors. See Fig. 3. Wire nut the pressure sensor to the WHT, BLU, and GRN wires in the larger wiring bundle. The other wires...
    Page 4 LOCAL MODE IAQ WIRING Ð Wire the dry contact relay output from the sensor (connections 3 and 4) to the red and black wires of the O section of the ®eld-supplied pressure sensor harness of the zone controller damper. A pres- sure sensor harness is supplied with a pressure sensor for use with the bypass damper. Recommended gage of wire is 14, stranded. Wire the 2 wires from the isolated 24 vac power supply to the power input side of the sensor (connections 1 and 5). Recommended gage of wire is 14,...
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