Carrier XtendFRESH, Operation, Service And Parts Manual

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T-366 6–6
Figure 6.7 CO
2
Sensor
6.6 XTENDFRESH ACCESS PANEL
WARNING
!
Before servicing unit, make sure the Start-Stop switch (ST) is in the OFF position. Unit circuit
breaker (CB-1) and external power sources are turned OFF and tagged to prevent accidental
energizing of circuits.
6.6.1 Removing the XtendFRESH Access Panel
1. Remove the two louvered panels from the upper right access panel ( Figure 6.1 ) by removing the mounting
bolts and T.I.R locking device if used.
2. Remove the eight #10-32 nuts holding the ducts in place. Leave the blower fan mounted to its duct. Gently
push the duct away from the back of the panel ( Figure 6.8 ).
Figure 6.8 Blower Fan Nut Locations
3. Remove the access panel mounting bolts and T.I.R. locking device if used.
4. Carefully pull the access panel out slightly to reach inside of the unit and unplug the fresh air solenoid and
fan connectors.
5. Set the panel aside to make any necessary repairs.
CO Sensor
2
#10-32 Nuts