Auto-Zone CV & CV-EX
Section 3
Programming 3-21
Setpoint Screen #13
Setpoint Screen #14
Setpoint Screen #15
CVAHU Setpoints
Economizer Setpoints
Min Voltage: 0.0 v
Max Voltage: 10.0 v
The user can set the voltages required to open and close the
damper. Some actuators use a 2-10 VDC signal instead of 0-10
VDC.
If the system is not configured for Economizer Control, no
economizer setpoint screens will appear.
Minimum Default Maximum
Min Voltage 0.0 VDC 0.0 VDC 10.0 VDC
Max Voltage 0.0 VDC 10.0 VDC 10.0 VDC
CVAHU Setpoints
Fan Starting Delay
Multiplier...: 10
If there are several air handling units on a system and you
don’t want them to all start at the same when going into the
occupied mode or after a power outage, you can input a Fan
Starting Multiplier. The multiplier is multiplied times the
address number of the unit and this becomes the number of
seconds this unit waits before starting the fan. For example if
the Multiplier is 5 and this unit is at address #18, then the time
delay will be 90 seconds.
Minimum Default Maximum
Multiplier 0 0 30
Sensor Rdg Offset
ZNT.: 73.6 0.0
SAT.: 76.5 0.0
OAT.: 70.2 0.0
The Thermister Type III Sensor readings can be calibrated.
Enter Positive values to increase the reading or Negative
values to decrease the reading. The Outdoor Air calibration
offset only applies to the CVAHU that has the sensor installed.
It has no effect on the Global Broadcast value of Outdoor Air.
Minimum Default Maximum
Zone Sensor ZNT -100.0°F 0.0°F +100.0°F
Supply Sensor SAT -100.0°F 0.0°F +100.0°F
Outdoor Sensor OAT -100.0°F 0.0°F +100.0°F
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