54
Figure 60
2.6.2.6 Enthalpy Wheel Settings (Figures 61 - 62)
This screen will only be shown if the Enthalpy Wheel option is selected in the
unit setup and a VFD is provided. The screen shown in Figure 61 allows
modification of the Enthalpy Wheel Relative Humidity Set Point, PID Gain
(or Proportional Band) and Reset (or Integral) for the freeze protection. The
Humidity level in the exhaust section of the unit is also shown. The range of
the Gain is 0.0% to 99.9%. The range of the Reset is 0 to 999. The range
for the Set Point is 0.0% to 99.9%. To modify these set points, press the
ENTER
key until the desired set point is selected and use the arrow keys until the
desired setting is shown. Press the
ENTER
key to accept the set point value.
To return to the Parameter Settings, press the
Esc
key.
Figure 61
The screen shown in Figure 62 is for the Enthalpy Wheel VFD speed
control. If the outdoor air temperature is lower than the supply air
temperature set point minus the heating deadband the enthalpy wheel speed
Desert Aire - CM3500 Manual
Summary of Contents for CM3500 Series
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