Carrier XtendFRESH, Operation, Service And Parts Manual

Page: 27 / 72

6–3 T-366
6.3 SENSOR AIR FILTER
Figure 6.3 CO
2
/O
2
Assembly
WARNING
!
Potential hazardous atmosphere and low oxygen levels inside the container, ventilate before
entering. Stay away from doors while venting. Refer to
Section 4.7 .
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.
6.3.1 Removing the Sensor Air Filter Element
When replacing the Sensor Air Filter element it can be accessed in two ways: through the left-hand side evaporator
access panel or through the inside of the container by removing the upper back panel (
Figure 6.4 ). Refer to Sec-
tion 6.6 for procedures to remove and install the left access panel.
Figure 6.4 Left Access Panel and Back Panel (Inside of Container)
O
2
Sensor
CO
2
Sensor
Sensor Air Filter
O
2
Amplifier
CO
2
/O
2
Inlet
CO
2
/O
2
Outlet
Left Access Panel
Back Panel