Desert Aire CM3500 Series Installation And Operation Manual page 57

Care must be used when applying an offset to an analog value as erratic operation can result. To
modify the offsets, press the ENTER key until the desired offset is selected and use the arrow keys
until the desired setting is shown. Press the ENTER key to accept the offset value.
To return to the SERVICE MENU, press the Esc key.
The second offset screen allow for the control values of the analog input points wired
into the two possible expansion I/O boards to be adjusted if calibration shows these
devices to be inaccurate. This screen will only be shown if an expansion I/O board is
wired into the controller. The range for the air pressure and CO2 sensors is -99 to 99.
The range for the temperatures and humidity sensors is -99.9 to 99.9. Care must be
used when applying an offset to an analog value as erratic operation can result. To
modify the offsets, press the ENTER key until the desired offset is selected and use
the arrow keys until the desired setting is shown. Press the ENTER key to accept the
offset value.
To return to the SERVICE MENU, press the Esc key.
Figure 65
Figure 66
Desert Aire - CM3500 Manual
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