Caution, Full speed operation and checkout – Bell & Gossett 176R0649C Technologic 502 Series Pump Controller User Manual
Page 33

33
f
ull
s
pEEd
o
pEration
!
E
nsurE
tHat
tHE
motor
,
systEm
,
and
any
attacHEd
EquipmEnt
is
rEady
for
full
spEEd
opEration
. u
sEr
assumEs
all
rEsponsibility
for
assuring
systEm
is
ablE
to
safEly
run
at
full
spEEd
. f
ailurE
to
EnsurE
tHat
tHE
motor
,
systEm
,
and
any
attacHEd
EquipmEnt
is
rEady
for
full
spEEd
opEration
could
rEsult
in
EquipmEnt
damagE
.
1. Check full load amps in drive mode on motor
terminals.
a. Put unit into drive mode by pressing
Hand On key on keypad.
b. Use up arrow to run drive up to full
speed.
c. 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.
2. Check full load amps in bypass mode on
motor terminals.
a. Put unit into bypass mode. (Motor
will run at full speed from line
voltage.)
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.
CAUTION
!
Full Speed Operation and Checkout
3. Check operation of any optional functions to
confirm they work, as applicable.
4. Exercise safety circuit and verify that unit
stops running. Safety circuits include E-Stop,
interlock, or overloads.
5. Exercise start/stop circuit and verify that unit
starts and stops with system in auto mode of
operation.