Humidity - Black Box CRCW-12 User Manual

Chapter 4: E2 Controller
You can view the cooling band from the Service>Cool menu. The "CW Prop Band" establishes the number of degrees for the
proportional control output band. The "CW Int Time" is the integral factor used to adjust the proportional output response. The
"CW Dead Band" value establishes the range of the P/I temperature control. The "min deltaT" is the minimum temperature rise
expected between the entering and leaving water temperature. A flow alarm is activated if the temperature difference falls below
this value while the unit is actively cooling.
This screen also displays the current air temperature and setpoint temperature. The current proportional control output signal to
the CW control valve is shown at the bottom of the screen.

4.5.5.2 Humidity

The cut-in/cut-out offsets for the Dehumidification modes may be adjusted from the Service>Humid menu.
Figure 4-44. Humidity screens.
NOTE: The Humidifier screen only appears if your A/C unit is equipped with a humidifier at the factory.
You may set a maximum position for the CW valve opening in the dehumidification mode. This may be used when the heat load
is low to reduce possible setpoint temperature overshoot while the unit is dehumidifying the air. The fan speed during
dehumidification can be adjusted to limit the potential for over-cooling (see Blower Set Up, Section 4.5.5.5.3).
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