Alarm Setpoint Screens - Black Box CRCW-12 User Manual

Chapter 4: E2 Controller
Figure 4-27. Fan Control screen, linked.
The Fan Control screen enables you to select a fan-speed control method (Variance from Average, Temperature Proportional, or
Manual, see Section 4.4.4.1) for each of the three fans. You may also link the fan temperature zones together in any combination,
so selected fans operate at the same speed. The linked zones use the average of the linked temperature sensors to control fan
speed. Link bars appear to the left of the fan icons indicating which fan zones have been linked.
The lower two fields disappear from the Fan Control screen when the system is in the humidification or dehumidification modes.
In these modes individual fan speed control ceases and the fan speeds are automatically linked and controlled to the same speed.

4.5.4.2 Alarm Setpoint Screens

Figure 4-28. 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 4-29. High temperature alarm.
Figure 4-30. Low temperature alarm.
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