Data Aire dap4 User Manual page 35

MENU J – FACTORY SETTINGS (factory level) continued
Note: The Fan Settings screen is only displayed when fan type is set to "Plug Fan"
in the previous screen.
CW Mode: The fan control method while in CW cooling. The selections are:
Constant Speed: (default selection) Fan runs at a constant speed.
BMS Speed*: Fan begins at the constant speed setting then modulates via
BMS.
Vlv Pos Speed: Fan modulates based on CW valve position.
Air Pressure: Fan modulates to maintain the static air pressure set point.
Const Flow: Fan modulates to maintain the airflow set point.
BMS Flow*: Fan modulates to maintain the airflow of the BMS.
Vlv Pos Flow: Fan modulates to maintain the airflow based on CW valve
position.
Return Air T.: Fan modulates to return air temperature to maintain temp set
point.
Mod to Rack: Fan modulates to rack temperature to maintain temp set
point.
Note: Except for the selections of Constant Speed and Vlv Pos Speed,
optional sensors are required.
CW Speed: (not shown on IRDX model) The CW constant speed has a range of
adjustment from 60 to 100% with a default setting of 85%.
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