Advanced Microprocessor with Graphics Control Setup
23
4.5
Main Menu (AG)—Operating Status
The Operating Status is intended to provide the user with displayed information concerning what the
control is calling for the system to do.
For example: The display indicates the chilled water valve is 68% open. On a new call for cooling, it
takes several seconds for the valve to travel from full closed to 68% open. So when the display reads
68%, it may take a few seconds for the valve to actually open 68%. Also, if the display indicates a com-
pressor is operating but the compressor has not turned on yet, it may be off because of the short cycle
control (see
5.3.1 - Short Cycle Control
).
4.6
Main Menu (AG)—View/Set Control Setpoints
Control setpoints can be reviewed and/or changed through the display. The following table lists the
default setpoints and their allowable ranges.
*Unit will operate at these conditions but will not control to these extremes of conditions.
4.7
Main Menu (AG)—Setup System
Selecting SETUP SYSTEM will step to the following menu:
• SETUP OPERATION
• SELECT OPTIONS
• CALIBRATE SENSORS
• CALIBRATE VALVE ACTUATOR
• SELECT CONTROL ALGORITHM
• SELECT HUMIDITY SENSING MODE
• SET STATUS DISPLAY
• CHANGE PASSWORDS
NOTE
There may be some time lapse before a specific component matches the displayed number.
Table 8
Default control and alarm setpoints
Setpoint
Default
Range*
Temperature Setpoint
72°F
40 to 90°F (5 to 32°C)
Temperature Sensitivity
2.0°F
1 to 9.9°F (0.6 to 5.6°C)
Humidity Setpoint
50%
20 to 80% RH
Humidity Sensitivity
5%
1 to 30% RH
High Temperature Alarm
80°F
35 to 95°F (2 to 35°C)
Low Temperature Alarm
65°F
35 to 95°F (2 to 35°C)
High Humidity Alarm
60%
15 to 85% RH
Low Humidity Alarm
40%
15 to 85% RH
