Chapter 6: Maintaining the Ductless Enclosure
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48
Main Control Board Replacement
If the main control board is replaced, the Paramount must be calibrated per
the menu screens in
Chapter 5
. See
Appendix A: Replacement Parts
, and
reference Figure 6-4.
1.
Consult the wiring diagram on the back of the front panel and disconnect
all power.
2.
Remove the hardware to rotate the header control panel.
3.
Locate the connectors to the main control board and remove the
connectors per the wiring diagram.
4.
Label the two pressure hoses and remove the two pressure hoses from the
control board. The hoses must be installed properly with the front hose
corresponding with the front “total pressure” hose from the motorized
impeller assembly (front to front throughout).
5.
Remove the control board from the plastic display bezel by removing the
four Phillips screws.
6.
Reassemble the new control board in reverse order and follow the
“Calibration” menu screens from
Chapter 5
as the Pressure Sensor,
Airflow Alarm, and Organic Sensor all need calibration.
Figure 6-4
Main Control Board
