Simrad SU90 - Check 3-Phase Connection for Correct Rotation

Settingtowork
Check3–phaseconnectionforcorrectrotation
LocationofS302,S301,E301,K303and
LEDL1intheMotorControlUnit
HOIST STOP
REMOTE LOWER
(CD015409-024)
E301
S301
K303
L1
S302
Purpose
TheMotorControlUnitisequipped
withaPhaseWatchRelay(K303),which
preventsoperationofthehoistingmotor
ifthe3-phaseconnectionsarewrongwith
respecttothemotor'srotationdirection.
Procedure
1Checkthatthehoist/lowerswitch
S302intheMotorControlUnitisset
intheSTOPposition.
[_____]Ok
2Switchonthemotorprotecting
switchS301bypressingtheoperating
handleupwardstoONposition.
[_____]Ok
3CheckthattheLEDL1onthefrontof
thePhaseWatchRelay(K303)islit.
[_____]Ok
4IftheLEDisnotlit,observethefollowingprocedure:
aDisconnecttheship’s3-phasefuses.
bChangetwoofthe3-phaseconnectionsontheterminalE301intheMotor
ControlUnit.
cRe-insertthe3-phasefusesintheship’sfusebox.
dCheckagainthattheLEDonthefrontofthePhaseWatchRelay(K303)islit.
[_____]Ok
5SwitchoffthemotorprotectingswitchS301bypressingtheoperatinghandle
downwardstoOFFposition.
[_____]Ok
381293/A
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