Carrier 69NT40-541-001, Operation And Service

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T-316 1–4
CAUTION
!
When condenser water flow is below 11 lpm (3 gpm) or when water-cooled operation is not in
use, the CFS switch MUST be set to position “1” or the unit will not operate properly.
CAUTION
!
When a failure occurs during automatic testing the unit will suspend operation awaiting opera-
tor intervention.
CAUTION
!
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!
CAUTION
!
The unit will remain in the full cooling mode as long as the emergency bypass switch is in the
BYPASS position. If the cargo may be damaged by low temperatures, the operator must moni-
tor container temperature and manually cycle operation as required to maintain temperature
within required limits.
CAUTION
!
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.
CAUTION
!
To prevent trapping liquid refrigerant in the manifold gauge set be sure set is brought to suc-
tion pressure before disconnecting.
CAUTION
!
Removing the compressor motor press-fit stator in the field is not recommended. The rotor
and stator are a matched pair and should not be separated.
CAUTION
!
The copper tube which connects to the oil suction strainer extends out the bottom with the
bottom plate removed. Take pre cautions to avoid bending or breaking it while changing crank-
case positions.
CAUTION
!
Ensure that thrust washer does not fall off dowel pins while installing oil pump.