Danfoss VLT Option Panel Instruction Manual page 25

8. Check motor rotation direction in bypass
as follows.
a. Momentarily bump motor in bypass.
b. Confirm directional rotation.
c. If incorrect, stop drive, remove power,
and lock out.
d. Reverse connection of any 2 of 3 input
power leads at terminal. Do not
change motor leads.
e. Remove lockout and apply power.
f. Confirm directional rotation.
CAUTION
F S O !
ULL PEED PERATION
E ,
NSURE THAT THE MOTOR SYSTEM
IS READY FOR FULL SPEED OPERATION
RESPONSIBILITY FOR ASSURING SYSTEM IS ABLE TO SAFELY RUN AT
. F
FULL SPEED AILURE TO ENSURE THAT THE MOTOR
ANY ATTACHED EQUIPMENT IS READY FOR FULL SPEED OPERATION
COULD RESULT IN EQUIPMENT DAMAGE
9. Check full load amps in drive mode on
motor terminals.
a. Put unit into drive mode.
b. Check full load amps on motor
terminals T1, T2, and T3. Verify motor
amps are within drive and motor rated
current and are balanced within 3%. If
incorrect, see Troubleshooting Section
in this manual for isolation procedures.
c. Check full load amps on input
terminals L1, L2, and L3. Verify that
current is within FLA of drive and
balanced within 3%. If incorrect, see
Troubleshooting Section in this manual
for isolation procedures.
,
AND ANY ATTACHED EQUIPMENT
. U
SER ASSUMES ALL
, ,
SYSTEM AND
.
11. Check full load amps in bypass mode on
motor terminals.
a. Put unit into bypass mode.
b. Check full load amps on terminals T1,
T2, and T3. Verify motor amps are
within motor FLA rated current and
balanced within 3%. If incorrect, see
Troubleshooting Section in this manual
for isolation procedures.
For steps 12-14, see sections 5 and 6 in this
manual for details.
12. Check operation of any optional functions
to confirm they work, as applicable.
Options may include run permissive, fire
mode, common start/stop, or others.
13. Exercise safety circuit and verify that unit
stops running.
14. Exercise start/stop circuit and verify that unit
starts and stops with system in auto mode of
operation.
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