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TP-6835 9/17
65
Section 7 Bypass, Isolation, and Manual Transfer
E
L
N
Turn crank
counter-
clockwise
until window
shows
ISOLATE.
Automatic Transfer Switch
Bypass Switch
TS CONNECTED
Lower amber light
should be on.
TS TEST
TS ISOLATED
Figure 7-42
From TEST to ISOLATE Position
Hazardous voltage.
Will cause severe injury or death.
Only authorized personnel should
open the enclosure.
DANGER
Removing the transfer switch from bypass/isolation
models. Hazardous voltage will cause severe injury or
death.
Bypass and isolate the transfer switch before
removing it from the enclosure. The bypass/isolation switch is
energized. Do not touch the isolation contact fingers or the
control circuit terminals.
Note:
The
transfer
switch
weighs
59--90 kg
(130–200 lb.) depending upon the number of
poles.
4. Open the lower enclosure door. Pull out both left
and right side rails then use the two handles to roll
out the transfer switch. It can be safely inspected in
this position. See Figure 7-43.
right rail
left rail
handles
Figure 7-43
Transfer Switch Isolated and Pulled
Out for Inspection
Unbalanced weight.
Improper lifting can cause severe
injury or death and equipment
damage.
Use adequate lifting capacity.
Never leave the transfer switch
standing upright unless it is securely
bolted in place or stabilized.
WARNING
5. The transfer switch can also be removed for easier
maintenance operations. If it is necessary to lift the
transfer switch, use lifting equipment capable of
lifting the weight. Two persons are recommended.
Summary of Contents for KBC
Page 26: ...TP 6835 9 17 26 Section 2 Installation Notes...
Page 44: ...TP 6835 9 17 44 Section 4 Communication and Accessory Connections Notes...
Page 48: ...TP 6835 9 17 48 Section 5 Functional Tests and Setup Notes...
Page 50: ...TP 6835 9 17 50 Section 6 Scheduled Maintenance Notes...
Page 76: ...TP 6835 9 17 76 Section 7 Bypass Isolation and Manual Transfer Notes...
Page 79: ......