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Programming Instructions
ADJUSTING THE TIME OF DAY
The Sentry control system remembers the time of day even in the event of a
prolonged power outage. However, it may occasionally be necessary to reset
the time of day. For example: if you are not in the Pacific Time Zone you will
want to reset the time for your own time zone. (The system will automatical-
ly adjust to and from daylight savings time.)
To accomplish this, press DISPLAY, MODE and DISPLAY within five seconds
each. A number representing the hour will be displayed, followed by AM or
PM. The hour will advance or decrease each time UP or DOWN is pressed
within five seconds. Then, press DISPLAY again to display the minutes.
Adjust the minutes as necessary by pressing UP or DOWN. After 5 seconds,
the display will return to normal.
CHANGING THE FILTER CYCLES
The Sentry Control System allows you to easily adjust two separate aspects
of each of the filtration cycles (1) the time of day at which each cycle begins,
(2) the duration of each cycle.
To make adjustments, first press CYCLE to enter the filter cycle programming
mode. The LCD screen will display the following in the upper right corner:
ADJUST START TIME
FILTER
CYCLE
This means the system is ready to accept your changes to the start time for
filter cycle number one. Simultaneously, the large four-digit display in the cen-
ter of the screen displays the currently programmed start time for that filtra-
tion cycle.
At this point, you have four options. You may:
(1) Press UP or DOWN to adjust the start time in increments of 30 minutes.
(2) Press CYCLE to progress to adjusting each subsequent filter cycle. With
each press, the currently programmed status will be shown in the large four
digit display. To adjust any of the programming, simply press UP or DOWN.
(3) Press SELECT to move down the menu from Start Time to Duration. With
each press, the currently programmed status will be shown in the large four-
digit display. Press UP or DOWN to adjust the duration in increments of 15
minutes.
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START TIME