Auto-Zone Plus Section 3
Programming 3-29
Setpoint Screen #6
Setpoint Screen #7
Setpoint Screen #8
Economizer Setpoints
Econo Enable: 50°
Supply Setpt: 50°
Min Econo %.: 20%
The Econo Enable setpoint is the outdoor air or wetbulb
temperature that enables the Economizer to open past its
minimum position setpoint to control supply air temperature.
The Supply Setpt is the supply air temperature the Economizer
tries to maintain.
The Min Econo % is the position the economizer holds during
occupied mode when it is not enabled for operation, due to
outdoor air or wetbulb temperature.
Minimum Default Maximum
Econo Enable -30°F 50°F 99°F
Supply Setpt 45°F 50°F 80°F
Min Econo % 0 % 20 % 100 %
Economizer Setpoints
Economizer Control
Rate......: 10
During Economizer control, the Economizer damper is
allowed to move open or closed, as required, at a rate
controlled by this value. Use this to speed up or slow down the
operation of your economizer. Thr larger the number, the
slower the damper moves.
Minimum Default Maximum
Rate 1 10 99
Sensor Rdg Offset
SAT.: 82.9° 0.0°
RAT.: 77.2° 0.0°
OAT.: 70.2° 0.0°
As described in the Zone Controller section, the Thermistor
Type III sensor readings can be calibrated. The Outdoor Air
Calibration Offset only applies to the controller that has the
sensor installed. It has no effect on the global broadcast value
of outdoor air.
Minimum Default Maximum
Supply Sensor SAT -100.0°F 0.0°F +100.0°F
Return Sensor RAT -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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