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 TM 55-1905-219-14-2
OPERATING INSTRUCTIONS
FOR
AIR CONDITIONING UNIT AND SEA WATER PUMP
For the initial start up, see the "CARRIER TRANSICOLD AIR CONDITIONING" Manual.
PRESTART AFTER THE INITIAL START UP
1.
Check strainer on suction side of salt water cooling pump.
2.
Open salt water cooling valves at the sea chest, inlet to condenser and the overboard discharge.
3.
Inspect oil level in compressor crankcase.
4.
Open any stop valve in refrigerant, oil and sea water lines to pressure gages and control switches.
5.
Make sure vents and drains are closed.
START
1.
Start sea water pump at control panel.
2.
Start air circulation fan at control panel.
3.
Start compressor motor at control panel by putting selector switch in the auto position, momentarily push start
button while holding in the L..P. bypass button continuously. When motor is running at full speed, release
L..P. bypass button.
SECURING
1.
Stop compressor at motor controller by depressing the stop button.
2.
Close salt water cooling valves at the sea chest, inlet to condenser and the overboard discharge.
3.
If there is any danger of freezing the water in the condenser tubes, open the vents on top and the drains at
the bottom of the water heads to drain the condenser.
4.
See the manual for shutting down the compressor for an extended period.
2-664
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