Instruction Manual

Screw Compressor Central Chiller Chapter 4: Operation 42
Compressor Enable Screen
These screens allow the customer to toggle the compressors between ON-LINE and OFF-
LINE. As the operator presses the F1 or F2 button, the corresponding compressor state
changes between ON-LINE and OFF-LINE. Press F4 to leave this screen.
Setting Compressor Rotation Times
and Activating Compressor Lead/Lag Operation
While in the Configuration Menu, the compressor rotation screen allows the customer to
enable or disable the rotation of compressors. While viewing the screen for the applicable
rotation, pressing F1 will toggle the rotation function On or Off. Pressing the F2 button will
present an entry screen which will allow the entry of a rotation interval. Use the and
arrows to change the number of hours. Acceptable range is 50-200 hours.
The compressor rotation screen displays:
Compressor Rotation Screen