Simrad SX90 - INSTALLATION REV C - Check the 3-Phase Connection for Correct Rotation Direction

SimradSX90
6 Re-insertthe3-phasemainsfusesforthehullunitin
thevessel’sfusebox.
Checkthe3–phaseconnectionforcorrect
rotationdirection
Procedure
TheMotorControlUnitisequippedwithaPhaseWatchRelay
(K303),whichpreventsoperationofthehoist/lowermotorif
the3-phaseconnectionsarewrongwithrespecttothemotor’s
rotationdirection.
Figure43MotorControlUnitwithS302,S301,E301,K303
andLEDL1
(CD015409L)
HOIST STOP
REMOTE LOWER
E301
S301
S302
K303
L1
Tomakesurethattheprocedureisfollowed,tickoffeachtask
afterithasbeendone.
1
Checkthatthehoist/lowerswitchS302intheMotor
ControlUnitissetintheSTOPposition.
2
SwitchonthemotorprotectingswitchS301bypressing
theoperatinghandleupwardstoONposition.
3
CheckthattheLEDL1onthefrontofthePhaseWatch
Relay(K303)islit.
4
IftheLEDisn o t lit,observethefollowingprocedure:
1Disconnecttheship’s3-phasefuses.
2Changetwoofthe3-phaseconnectionsontheterminal
E301intheMotorControlUnit.
3Re-insertthe3-phasefusesintheship’sfusebox.
98
307531/C