Unified Brands VENTILATION SYSTEMS User Manual
Page 17

14
The PAWS Control Panel is equipped with an
integral clock which can be used to
automatically operate the fan and wash cycles.
To set the time press "RETURN CLOCK" once.
The display will read "SET DAY AND TIME
SELECTED" and then change to "SET DAY
AND TIME" as well as the day and time. Press
"CHANGE CLEAR" and the day and time will
begin to flash. Press "DAY+" and/or "DAY-" to
set the correct day. Press "HOUR+" and/or
"HOUR-" to set the correct hour. Note if "AM"
or "PM" is displayed correctly. Press
"MINUTE+" and/or "MINUTE-" to set the
correct minutes. When you are satisfied that
the day and time are correctly displayed, press
"SAVE ENTER". The display changes to the
Normal Display. If no key is pressed for thirty
[30] seconds, the display will automatically
return to Normal Display.
b. Setting the PAWS
1. Single Wash Models [P-10__ & P-15__]
The wash can be programmed to run for up to
fifteen [15] minutes. It is followed by a recovery
period of from zero [0] minutes up to two [2]
hours. This period can be used in installations
which require that the fans automatically turn
on for a period of time after the wash cycle is
complete.
To review the PAWS, press "PAWS". The
display
will
indicate
"PAWS
MODE
SELECTED" for about three [3] seconds then
change to indicate the total PAWS duration
[wash and recovery periods] in hours and
minutes, and the duration of the wash period in
minutes. Press "NEXT" to display the duration
of the recovery period. Press "NEXT" to
display the duration of the fire delay cycle.
To change the duration of a segment, press
"NEXT" or "LAST" until the appropriate
segment is displayed, then press "CHANGE
CLEAR". When the display flashes, press
"MINUTE+" or "MINUTE-" until the duration is
displayed, then press "SAVE ENTER" to retain
that time. The total PAWS duration is
automatically updated.
To change the duration of an additional
segment, repeat the above procedure.
When all segments have been set, press
"RETURN CLOCK" to return to Normal Display.
If no key is pressed for thirty [30] seconds, the
panel will automatically return to Normal
Display.
2. Multi-Wash Models [P-20-__ & P-25-___]
As many as eight [8] hood sections can be
programmed to wash in sequence. [The total
number of washes and outputs is determined
prior to shipment and set at the factory]. Each
section can be programmed to wash for a
different period of time, up to fifteen [15]
minutes per section.
There are also up to eight [8] recovery periods
which can be programmed for different
durations from zero [0] minutes up to two [2]
hours per segment. The recovery periods can
be used to allow the water heater to recover
between wash segments in installations with a
limited hot water supply. It can also be used in
installations which require that the fans
automatically turn on for a period of time after
the final wash period.
To review PAWS, press "PAWS". The display
will indicate "PAWS MODE SELECTED" for
about three [3] seconds then change to indicate
the total PAWS duration [PAWS and recovery
periods] in hours and minutes, and the duration
of the first wash period in minutes. Press
"NEXT" to display the duration of the first
recovery period. Continue to press "NEXT" to
review the remaining wash and recovery
segments.
To change the duration of a wash or recovery
segment, press "NEXT" or "LAST" until the
appropriate segment is displayed, then press
"CHANGE CLEAR". When the display flashes,
press "MINUTE+" or "MINUTE-" until the
desired duration is displayed, then press
"SAVE ENTER" to retain that time. The total
PAWS duration is automatically updated.
To change additional segments, repeat the
above procedure.
When all segments have been set, press
"RETURN CLOCK" to return to Normal Display.
If no key is pressed for thirty [30] seconds, the
panel will automatically return to Normal
Display.
c. Setting The Fire Delay
To change the duration of the fire delay cycle
press "PAWS" to enter the PAWS Review
mode. Press "NEXT" to review all of the
PAWS segments. After the final PAWS
segment, press "NEXT" again and the display
will read "FIRE DELAY" and its duration. Press
"CHANGE CLEAR" and the display will begin to
flash. Press "MINUTE+" and/or "MINUTE-"
until the correct duration is displayed. Press