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 TM 55-1905-220-14-8
4-12.4.
AIR CONDITIONING WATER PUMP MOTOR CONTROLLER - MAINTENANCE
INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
DESCRIPTION OF OPERATION
TO START THE MOTOR PRESS THE START BUTTON. THIS
ENERGIZES CONTSCTOR M CONNECTING THE MOTOTR ACROSS THE
LINE. M MAINTAINS ITSELF THROUGH ITS OWN AUXILIARY
CONTACT. TO STOP THE MOTOR PRESS THE PRESS THE STOP
BUTTON.
A VOLTAGE FAILURE WILL CAUSE M TO OPEN, STOPPING THE
START BUTTON (LOW VOLTAGE PROTECTION).
AN OVERLOAD WILL CAUSE THE OL CONTACTS TO OPEN
CAUSING M TO OPEN STOPPING THE MOTOR. TO RESTART, PRESS
THE STOP-RESET BUTTON AND THEN THE START BUTTON.
4-573
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