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Press the PROGRAM button once more to set the day and time for ending the

12.

exercise. A default time AM 12:00 appears in the display. A small 2 appears to

the right of the time. The lamp symbol is absent. The 2 (or even number)

indicates the end of an exercise or open contacts. The absence of the lamp symbol

indicates when the exerciser contacts will open.

Press the DAY button repeatedly until an arrow appears under the desired day for

13.

terminating the exercise (Monday = 1) as in step 9.

Press the MINUTE button repeatedly until the desired minute of the exercise

14.

termination hour is displayed, such as AM 5:40 or PM 5:40.

Move the slider on the SET switch to the "run" position. The exerciser time clock

15.

is now programmed to start the emergency generator at the desired day, time and

for the desired duration.

NOTE: It is possible to program one to eight "on - off" cycles or transitions for the

following day combinations: One to eight "on-off" cycles any day of the week; One to

eight "on-off" cycles Monday to Friday inclusive; One to eight "on-off" cycles both

Friday and Saturday only; One to eight "on-off" cycles Monday to Saturday inclusive;

One to eight "on-off" cycles Monday to Sunday inclusive; All day combinations can have

any combination of "on -off " cycles. Normally the exerciser time clock will only

require one "on-off" cycle once per week. The programming steps given above describe

how to exercise the generator once a week.

and time for exercising the generator is Saturday at 5:00 AM. Move the slider of the

to the right (P in circle) position. Press the

SWITCH

the arrow appears under day 6. Press the

repeatedly until the desired time

BUTTON

shut down after exercising for 10 minutes. With the slider of the

right (P in circle) position press the PROGRAM BUTTON once. The display will show

a continuous default time of

change to a 2 and the lamp symbol disappears. Press the DAY BUTTON (1..7) again

repeatedly until the day arrow appears under day 6. Press the

by the

MINUTE BUTTON

Return the

SET SWITCH

programmed to start the generator at 5:30 AM on Saturday morning and run for 10

minutes then shut down at 5:40 AM of the same day Saturday. Following this procedure,

the generator can be exercised as frequently as desired.

Manual for AST2225 Series

EXAMPLE

HOUR BUTTON

5: 30 are displayed. The generator is to be

12:00. The day arrow(s) disappears. The small 1 will

again repeatedly until the desired time

slider to the "run" position. The exerciser time clock is

Automatic

Transfer Switch

: Suppose that the desirable day

(1..7) repeatedly until

DAY BUTTON

(h) followed by the

SET SWITCH

HOUR BUTTON

5: 40 are displayed.

SET

MINUTE

still in the

(h) followed