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INSTALLATION (continued)
1 --- 3
Functional Test
The Functional Test consists of three checks: manual
operation, voltage checks, and electrical operation.
NOTICE
Do these checks in the order presented to avoid
damaging the non–automatic transfer switch.
1 – Manual Operation Test
A detachable maintenance handle is provided on the
transfer switch for main t e n ance purp ose s only.Manual
operation of the switch should be checked before it is
energized (operated electrically).
Do not manually operate the transfer switch until
both power sources are disconnected: open
both circuit breakers.
1. Selecttheappropriateswitchamperagesize/design
and follow the directions for installing the handle:
260 and 400 amp. E–design SeeFigure1-2.
Insert the manual handle into the hole in the shaft, left
side of the operator.
1000 – 3000 ampere. G–design SeeFigure1-3.
Install t he hub onto the center operator shaft and
insert the manual firmly into the hole in the side of
the hub (spring fully compressed).
handle
Figure 1-2. Maintenance han dle for E–design 260 an d
400 ampere
2. Movethehandleasshowntomanuallyoperatethe
Transfer Switch. The switch should operate
smoothly without bi nding. If it does not, check f or
shipping damage or construction debris.
3. Return the transfer switch to the N (normal) position.
Rem ove manual operator handle (if detachable) and
store it on the transfer switch in the place provided.
NOTICE
Verify that the maintenance handl e has been
removed before proceeding!
Now continue to 2–VoltageCheckson next page.
clockwise DOWN closes
the Normal source contacts
(lower) and opens the
Emergency source
contacts (upper)
counterclockwise DOWN
closes the Emergency
source contacts (upper)
and opens the Normal
source contacts (lower)
window
indicators
OPEN or
CLOSED
Emergency
contacts
Normal
contacts
contact position
indicators (left side)
Turn counterclockwise
to Emergency.
Turn clockwise
to Normal.
Insert handle into hole
(spring fully compressed)
Grasp handle firmly
with both hands
Slide hub
onto shaft
Figure 1-3. Maintenance ha n dle on 1000 – 3000 a mpere G design transfer switches.