Black Box Black Box Cold Row DX Network Hardware User Manual


 
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724-746-5500 | blackbox.com
Chapter 4: E2 Controller
When fans are not linked, the controller adjusts the speed of each fan as necessary for that zone to meet the supply air
temperature setpoint. When the system is in the dehumidification mode, the fan speeds are automatically linked and controlled to
the same speed.
4.5.4.2 Alarm Setpoint Screens
Figure 4-29. Alarm Set screen.
You can access the Alarm Setpoints screens from the Control menu. These screens enable the high and low temperature and
humidity alarms, adjust their setpoints, and compare them to the control setpoints and to the current system-level operating data
derived from the sensor inputs.
Figure 4-30. High temperature alarm.
Figure 4-31. Low temperature alarm.
Figure 4-32. High humidity alarm.