Data Aire dap4 User Manual page 47

MENU J – FACTORY SETTINGS (factory level) continued
Note: This compressor rotation screen is only displayed when more than one
compressor is selected. However, it is not shown when a variable compressor is
selected because the variable compressor is always the lead compressor.
Rotation Enabled – Allows lead compressor to change (default is enabled).
Lead Compressor – (Only displayed when there are two compressors) indicates
the current lead compressor. You can also manually change which one is the lead.
Rotation is by FIFO – (Only displayed when there are four compressors). FIFO
means that the first compressor started will also be the first compressor to stop.
Rotate Lead – (displayed when there are two compressors). After a compressor
has run for the accumulated hours of this setting, the lead compressor will change.
Range of adjustment is 12 to 999Hrs with a default setting of 168Hrs.
Note: The Options Installed screen should only be set by the factory. Additional
screens will appear based on options that are installed.
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