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INSTALLATION (continued)
1--6
2 – Manual Operation Test
This procedure will check the manual operation of the
Bypass Swit ch, Isolation Swit ch, and Transfe r Switch.
Observe the lights on the Status Indicator panel. The
Bypass Switch CLOSED ON NORMAL and the TEST
lights should be on. See Figure 1–11.
1. Isolate the Automatic Transfer Switch:
Install the Isolation Handle and turn it counterclock-
wise until it stops
(approximately 7 or 8 turns). The
Automatic Transfer Switch is now in the Discon-
nected posit ion (See Figure 1–9.).
The DISCONNECTED light should come on.
Turn draw-out crank
approximately 7 or 8
counterclockwise
turns until it stops.
Figure 1–9. Open (disconnect) isolation contact s.
2. A detachable manualoperator handle is provided on
the Transfer Switch for maintenance purposes only.
Do not manually operate the Transfer Switch
unless the Isolation Handle is in the OPEN
position and the DISCONNECTED light is on.
!
handle
rotating
weight
Figure 1–10. Transfer Switch ma nual operator h andle.
Figure 1–11. Status Indicator Panel.
Insert the manual handle into the hole in therotating
weight as shown in Figure 1–10. Move the installed
handle up and down to manually operate t he
Transfer Switch. The Switch should operate
smoothly without binding. Return the Transfer
Switch to the NORM AL position. Remove manual
operator handleand store it on theTransfer Switchi n
the place provided. Now go to page 1–7.
Turn draw-out
crank clockwise
approximately 7 or 8
turns until TEST light
comes on.
Figure 1–12. Move ATS to TEST position.