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 automatic transfer switching
equipment.
Readall instructions on the Wiring Diagrams and labels
affixed to the ATS.Note the control features that are
providedand review their operation before proceeding.

1 – Manual Operation

A detachablemanual operator handle is provided on the
TransferSwitching devicefor maintenance purposes only.
Manualoperation of the transfer switching devicemust
be checked before it is operate d electrically.
Do not manually operate the transfer switching
device until both power sources are
disconnected: open both circuit breakers.
1. Afterdeenergizing both power sources, open the
enclosuredoor. Locateandthemaintenance
handle on the left side of the transfer switching
device. See Figure 1–6.
2. Grasp the attached maintenance handle and turn it
with thumb and fingers as shown to manually
operate it. The maintenance handle turns the
opposite direction of the weight. Turni t up or down
as shownto manually operate the transfer switching
device. It should operate smoothly without any
binding. If it does not, checkf orshi ppingdamage
or constructiondebris.
3. Returnthe transfer switching device to the N
(normal)posi tion.
Now continue to 2–VoltageChecksonnext page.
maintenance
handle
WithALL P OWER OFF grasp
maintenance handle and turn it
quickly with your thumb and fingers.
weight marked N(normal)
and E(emergency)
floating
weight
weight
Position of the transferswitch is indicated here
Figure 1-6. Maintenance handle and positions.