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OPERATION
Activating/Deactivating the Time Clock
When the pump is first plugged in, the clock will not be turned on. This means the pump will start
from speed 1, whenever the pump is powered up. The pump will then proceed to speed 2, after
the programmed duration for speed 1 has elapsed and so on for speed 3. This is the recommended
setting for when the pump is connected to a salt chlorinator.
If the pump is running as a standalone device, then it is recommended to activate the time clock.
To activate the time clock:
1. Press and hold the Display button for 3 seconds.
2. "Cloc" will be displayed on screen.
3. Use the "+" and "-" arrows to choose between time clock On or Off.
4. Press Display to advance.
5. Use the "+" and "-" arrows to adjust the screen back-light brightness.
6. Press Display to exit the Setup menu. Automatically set itself to the Speed 1 start time, blink and
advance. The pump will also run the associated schedule from that start time.
Setting the Clock
When the pump is first plugged in, the clock has not been set. Any daily schedule set by the user will
be based on this clock setting, so it will be necessary to set the clock first.
To Set the Clock:
1. Press and hold the Display button for 3 seconds.
2. Use the "+" and "-" arrows to choose between a 12 or 24 hour time format.
3. Press Display to advance in the Clock Setup menu.
4. Use the "+" and "-" arrows to change the time to the correct time of day. In the 12 hour time format
AM/ PM will display in the bottom right corner.
5. Press Display to advance.
6. Use the "+" and "-" arrows to adjust the screen backlight brightness.
7. Press Display to exit the Clock Setup menu. The clock is now set.
During a power outage, the drive will retain the clock setting in memory for as long as 24 hours. If the
power is out longer than 24 hours the clock will have to be set again. If the drive has lost the user set
time, the clock will continuously blink until the time is reset. Once the time is reset the clock will stop
blinking.
Note: When power is returned to the pump after a prolonged outage (24+ hours) the clock will
automatically set itself to the Speed 1 start time, blink and advance. The pump will also run the
associated schedule from that start time.
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WhisperFlo VS 1500 Owner' s Manual
Using the Default Schedule
The default schedule is designed to provide enough daily turnover to service a typical pool. See
Table 1 for default schedule.
DURATION (Hours)
SPEED 1
SPEED 2
SPEED 3
Table 1: Default Schedule
SPEED 1 is set to begin at 8:00am and run at 3000 RPM for a duration of 2 hours. When SPEED 1 is
complete the pump immediately begins running the default SPEED 2. SPEED 2 is factory default to
1400 RPM and will last for 10 hours. When SPEED 2 has completed its run the pump will run SPEED 3
at 2200 RPM for a duration of two hours.
After 14 hours of run time and completing its run of SPEED 3, the pump will enter a stationary/paused
state for the next 10 hours. The pump will restart at 8:00am the next morning and cycle through the
default schedule again. The pump will continue to run in this in this manner until a custom schedule
is programmed into the drive by the user.
Note: The Start/Stop button must be pressed, and the LED lit, for the pump to run. If the time clock
is turned off. The pump will start at speed 1 whenever the pump is powered up.
OPERATION
SPEED (RPM)
2
3000
10
1400
2
2200
WhisperFlo VS 1500 Owner' s Manual
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