Contherm MITRE 4150 - Page 42

MANUALP/4000_SERVICE_0712 July2012
42
9. Remove the IR CO
2
driver board. Please take note of the power and
output terminal wire connections and the jumper switches conditions. The
board is mounted on 4 PCB standoff.
10. Remove the CO
2
sensing unit from the sensor mounting plate. 4 mounting
screw holds the sensor in place. Please take note of the IR CO
2
sensing
unit interface board and the flat ribbon cable orientation.