Carrier Zone Ctrl II - To Wire Inputs and Outputs

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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To wire inputs and outputs
WARNING
Do not apply line voltage (mains voltage) to the controller's ports and terminals.
1 Verify that the Zone Ctrl II's power and communications connections work properly.
2 Pull the screw terminal connector from the controller's power terminals labeled
Gnd
and
24 Vac
.
3 Connect the input wiring to the screw terminals on the Zone Ctrl II.
NOTES
○ Connect the shield wire to the
Gnd
terminal with the ground wire.
○
IN-3
and
IN-4
share the
Gnd
terminal beside
IN-3
.
Dry
contact
Any input
Any input
Gnd
IN
Gnd
IN
Gnd
IN-1 or IN-2 only
Gnd
IN-1 or IN-2 only
Gnd
IN-1 or IN-2 only
Thermistor
24 Vdc
half-wave
power
supply
2 wire
3 wire
4 wire
Out
V+
Gnd
Out
V+
n/c
Out +
Out -
V+
Gnd
0-5 Vdc
0-5 Vdc
0-5 Vdc
4 To use
IN-1
or
IN-2
, set jumpers
IN-1
or
IN-2
to the type of signal the input will receive (thermistor/dry
contact, or 0–5 Vdc).
5 Connect the binary output wiring to the screw terminals on the Zone Ctrl II and to the controlled device.
24 Vac
Motor
Valve
Any BO
An
y BO
Bus
Any BO