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tests.
It is recommended as each connection lor wire is connected to
the equipment, that it be checked off on the interconnection diagram
and the wire labeled to indicate where it is connected.
When sensor
leads are connected, it is recommended that they be run in separate
conduit from the motor armature leads.
WARNING
ALL MOTOR BASES AND EQUIP-
MENT ENCLOSURE HOUSINGS
SHOULD BE CONNECTED TO THE
BUILDING OR FACILITY EARTH
GROUNDING SYSTEM IN ACCORD-
ANCE WITH THE NATIONAL ELEC-
TRICAL CODE.
If a separate AC line breaker, switch and/or fuse is used, the device
and fuse selection should be in accordance with the National Electrical
Code and/or local requirements based on power unit Input data.
Codes
generally require the use of a fused disconnecting switch or circuit
breaker.
CAUTION
MAKE CERTAIN THE INPUT VOL-
TAGE, FREQUENCY AND PHASE OF
THE POWER SUPPLY AGREE WITH
THE POWER UNIT NAMEPLATE ON
THE CONTROL PANEL INSIDE THE
ENCLOSURE.
IT IS NECESSARY
ON THE THREE PHASE POWER
UNITS TO CONNECT THE AC
SUPPLY IN THE CORRECT PHASE
SEQUENCE FOR THE PROPER
DIRECTION OF MOTOR ROTATION.
Conduit entrance can be made th!ough the top, ends or bottom of the
power unit enclosure.
Recommended entry for power and control leads
is through the base or the top near the left end of the enclosure.
Entrance of conduit through other than the left end of the base or
top may be blocked by components.
Protect electrical circuit/ com-
ponents when cutting conduit entrance by covering them.
CAUTION
DO NOT GROUND ANY POWER OR
CONTROL CIRCUITS OF THE VT-70D
DRIVE UNLESS NOTED ON THE DIAGRAMS.
NATIONAL ELECTRICAL CODE AND
SOUND LOCAL PRACTICES SHOULD
BE CONSULTED FOR FURTHER REQUIRE-
MENTS.
3-3
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