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M412616
ࡽ
ELECTRICAL CONNECTIONS
WARNING
All electrical connections should be
made by a qualified electrician.
To reduce the risk of electrical shock,
de-energize the electrical circuit being
connected to the tumbler before mak-
ing any electrical connections. Never
attempt to connect a live circuit.
Use the following steps to connect electrical service
to the tumbler:
1. Install a circuit breaker, as close to tumbler as
possible. If more than one tumbler is being
installed, a circuit breaker should be provided
for each tumbler. This will make it possible to
disconnect each tumbler for maintenance
purposes.
2. a. Connect conduit-encased leads to circuit
breaker.
b. Turn “off” disconnect switch on tumbler and
open junction box.
c. Insert conduit-encased leads through
one of the knockout holes in junction box.
d. Connect wire leads to disconnect switch.
1 Phase Units: Connect one lead to top left
connection point. Connect other lead to top
right connection point.
3 Phase Units: Connect one lead to each
connection point.
e. Connect a ground wire to PE Busbar,
Figure 19,
in junction box.
Figure 19
Figure 18
3. Check electrical service phase sequence
(three phase only) as follows:
a. Energize electrical service and momentarily
start tumbler. Check direction of the cylinder
rotation. If cylinder rotates clockwise (viewed
from front), phase sequence is correct. If
cylinder rotates counterclockwise, proceed
with step “b”.
b. Disconnect and reverse any two leads at
connections.
4. Close junction box cover and turn “on”
disconnect
switch.
T260IE1A
NAMEPLATE
GUARD
JUNCTION
BOX
COVER
DISCONNECT
SWITCH
T277IE1A
ELECTRIC
MODELS
ELECTRICAL CONNECTIONS
PE
BUSBAR
ELECTRICAL
DISCONNECT
GAS AND STEAM
MODELS
PE
BUSBAR
ELECTRICAL
DISCONNECT