Carrier 69NT40-541-304 Operation, Service And Parts Supplement page 13

When a failure occurs during automatic testing the unit will suspend operation awaiting opera-
tor intervention.
When Pre-Trip test Auto 2 runs to completion without being interrupted, the unit will terminate
pre-trip and display "Auto 2" "end." The unit will suspend operation until the user depresses
the ENTER key!
The unit will remain in the full cooling mode as long as the emergency bypass switch is in the
BYPASS position and the MODE SWITCH is in the FULL COOL position. If the cargo may be
damaged by low temperatures, the operator must monitor container temperature and manually
cycle operation as required to maintain temperature within required limits.
The unit will remain in the DEFROST mode as long as the emergency defrost switch is in the
DEFROST position. To prevent cargo damage, the operator must monitor container tempera-
ture and manually cycle operation as required to maintain temperature within required limits.
To prevent trapping liquid refrigerant in the manifold gauge set, be sure set is brought to suc-
tion pressure before disconnecting.
Do not over tighten or damage the enclosing tube assembly. Torque to 200-inch pounds (2.3
Mkg). Also make sure all parts are placed on the enclosing tube in proper sequence to avoid
premature coil burnout.
CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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CAUTION
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