To Wire The Controller For Power - Carrier Zone Ctrl II Installation And Startup Manual

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To wire the controller for power

1
To access the screw terminal connectors, lift up the controller's cover by pulling the tabs located on both
sides of the controller's left mounting bracket.
2
Remove power from the power supply.
3
Pull the screw terminal connector from the controller's power terminals labeled Gnd and 24 Vac.
4
Connect the transformer wires to the screw terminal connector.
5
Apply power to the power supply.
6
Measure the voltage at the Zone Ctrl II's power input terminals to verify that the voltage is within the
operating range of 21.6–26.4 Vac.
7
Connect a 4-inch (10.2 cm) wire from Gnd to the control panel.
8
Insert the screw terminal connector into the Zone Ctrl II's power terminals.
9
Verify that the Power LED is on and the Run LED is blinking.
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide
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11
Installing the Zone Ctrl II
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