Auto-Zone Control Systems Auto-Zone CV-C Controller Installation Guide (Version 01A) User Manual
Page 37
Auto-Zone CV-C
Section 2
Sequence of Operation
2-27
Cooling Failure
Anytime the first stage of cooling is activated on CV-C units the Supply
Air has 30 minutes to change by 5
°
F from its starting condition. If this
does not occur an alarm is generated. This test is not performed if your
system is configured for Chilled Water Valve operation.
Heating Failure
The same conditions apply as listed for Cooling Failure except it looks at
the first stage of heating to test the condition. This test is not performed if
your system is configured for Hot Water Valve operation.
Space Temperature Alarm
If the space temperature is above or below its cooling or heating setpoints
by 5
°
F for at least 30 minutes, an alarm is generated.
Dirty Filter Alarm
If the Dirty Filter contact closes no operational changes are made but an
alarm is generated.
Generic Alarm
If the Normally Open or Normally Closed Generic Alarm input becomes
active and alarm is generated.
NOTE: If you do not required alarm reporting at the System
Manager simply disconnect the RS-485 connector from
the System Manager and force it to Rebuild the Alarm
Map. (See Section 3 Rebuilding Alarm Map)