4.7
CONTAINER VENTING PROCEDURE
WARNING
!
Potential hazardous atmosphere and low oxygen levels inside the container, ventilate before
entering. Stay away from doors while venting. (Refer to
)
1. Set the Start-Stop (ST) switch to the “I” position to turn the unit On.
2. Fully open the manual fresh air vent.
NOTE
Avoid any direct breathing of the venting gases from the air makeup vent.
3. Go to Cd43, select Fresh mode and set the operating parameters to 21% O
2
. Refer to
4. Allow the refrigeration unit to run. This allows the evaporator fans to exchange low-oxygen level air with
ambient air.
5. Monitor the container internal environment via Cd44. Refer to
6. When the oxygen level reaches a safe level ~ 20 ± 2%, open both of the container rear doors and pull back
the curtain to facilitate the clearing of the hazardous atmosphere. Step away from the container rear doors.
Continue refrigeration operation for five minutes prior to entry or unloading of the container.
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Page 45: ...7 5 T 366 Figure 7 4 PIDs NT2619 and NT2704 Schematic and Wiring Diagram...
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