Desert Aire CM3500 Series Installation And Operation Manual page 46

46
Desert Aire - CM3500 Manual
Pressing the DOWN key will display the Supply Blower PID screen shown on
Figure 48. The Supply Blower PID screen allows the PID loop for the blower
speed to be modified. The PID setting of the Gain (or Proportional Band),
Reset (or Integral) and the Rate (or Derivative) can be modified here. The
range of the Gain is 0 to 32767. The range of the Reset is 0 to 32767. The
range of the Rate is 0 to 32767. The Set Point of the Fan DP is also set here.
The actual fan DP and Loop Output are displayed here to aid in the tuning of
the PID loop.
To modify these set points, press the ENTER key and use the arrow keys
until the desired setting is shown. Pressing the ENTER key will now change
the set point.
Pressing the DOWN key will display the Manual Blower Setup screen shown
on Figure 49. The supply air blower can be set to manual control here. The
Man S/A Command will be used for the speed of the blower. The Man E/A
Command will be used for the speed of the exhaust blower. These commands
can be set from 0.0% to 100.0%.
Figure 47
Figure 48