Data Aire dap4 touch, User Manual

Page: 19 / 137

19
MENU B
– SETPOINTS continued
Rack Temp
Setpoints
Temp Setpoint:
72.0
• Temp Deadband:
2.0•
Note: This screen is only shown when the fan is set to modulate to rack
temperature in factory settings menu.
Temp Setpoint: This fan temperature set point is used to control the fan speed
based on the Rack Air Temperature. The range of adjustment is 65 to 85 °F with a
default value of 72.0 °F.
Temp Deadband: This fan deadband is the amount that temperature must rise
above the fan speed setpoint before fan speed will begin to increase. The range of
adjustment is 1.0 to 5.0° with a default value of 2.0°.
Dewpoint
Setpoints
Low Dewpoint Sp:
45.0• Low Dewpoint
Db:
1.0
•
Hi Dewpoint Sp:
59.0
• Hi Dewpoint Db:
1.0
•
Note: This screen is only shown when humidity control is set to
“Dewpoint” in the
factory settings menu or if the Air-side Economizer feature is used.
Low Dewpoint Sp: This is the Low Dewpoint Setpoint. It sets the limit for when
humidification will begin. The range of adjustment is 30.0 to 55.0 °F with a default
value of 45.0 °F.
Low Dewpoint Db: This is the Low Dewpoint Deadband. It determines how much
above the setpoint that dewpoint must rise to end humidification. The range of
adjustment is 0.1 to 3.0 °F with a default value of 1.0 °F.
High Dewpoint Sp: This is the High Dewpoint Setpoint. It sets the limit for when