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OPERATION
NEVER run pump dry. Running pump dry may damage seals, causing leakage and
flooding. Fill pump with water before starting motor.
Freezing conditions will damage the unit, as water expands as it freezes. Ensure that
the WhisperFlo VS 1500 is located so that it is not prone to freezing, or ensure that the
product is disconnected and dried of water during cold conditions.
Trapped air in system can cause explosion. Ensure all air is out of the system before
operating or testing equipment.
Fire and burn hazard. Modern motors run at high temperatures. To reduce the risk of
fire, do not allow leaves, debris, or foreign matter to collect around the pump motor. To
avoid burns when handling the motor, let it cool for at least 20 minutes before trying to
work on it.
Small children using pool must ALWAYS have close adult supervision.
Pump suction is hazardous and can trap and drown or disembowel bathers. Do not use
or operate pump, pool/spas if a suction outlet cover is missing, broken, or loose. Follow
the guidelines below for a pump installation which minimises risk to users of pool and
spas.
NEVER tighten or loosen trap lid while pump is operating.
Priming the pump
It is not necessary to lubricate
the oring. The original equipment
O-ring contains a permanent
internal lubricant.
c. Remove the trap lid (turn anti-clockwise).
d. Fill trap tank with water.
e. Check the lid o-ring and sealing surface, ensure there is no dust or debris on either, and replace
the lid (turn clockwise to tighten by hand only - no wrenches!).
f. Open the shut-off valves on the suction and discharge pipes, if present.
g. Release all air from filter, pump and piping system (refer filter owner' s manual). In a flooded
suction system (water source higher than pump), pump will prime itself when suction and
discharge valves are opened and air is released.
h. Switch on power to the pump to start.
i. Pump should start to prime now. Priming time will depend on vertical height of suction lift and
horizontal length of suction piping but is generally between 30 seconds to 3 minutes under
normal installation conditions.
j. The WhisperFlo VS 1500 will start slowly but ramp up to 3150RPM for the first 3 minutes to assist
priming. It will then switch to the selected speed (Step1).
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WhisperFlo VS 1500 Owner' s Manual
a. Before removing trap lid, SWITCH OFF
POWER SUPPLY to pump.
b. CLOSE SHUT-OFF VALVES on suction and
discharge pipes, if present.
*Should the pump not prime, ensure that all valves are open, lint trap is clear of debris and suctions and suction
pipe end is submersed in water, and that there are no leaks in suction pipe. See troubleshooting guide.
Control Panel Overview
(1) Speed Buttons
(2) External
Control Only
LED Indicator
(3) Start/Stop
Button
If power is connected to the WhisperFlo VS 1500 Variable Speed Pump motor, pressing any of
the following buttons referred to in this section could result in the motor starting. Failure to
recognise this could result in personal injury or damage to equipment.
Keypad Navigation
1. Speed Buttons - Used to select the run speed desired. The LED above the Speed Buttons will
illuminate when that speed is selected or is currently running. A flashing LED indicates that an
External Control is active on that speeds channel.
2. External Control Only LED Indicator - Indicates that the pump is operating in External Control
Only mode. When LED is illuminated the schedule is disabled and the only input is from the low
voltage external controls.
3. Start/Stop Button - Used to Start and Stop the pump. When the pump is stopped and the LED is
not illuminated, the pump is unable to run from any type of input.
4. Display Mode LED Indicators - An illuminated LED indicates the information being displayed on
the screen at any specific point. A flashing LED indicates that the parameter is currently being
edited.
5. Display Button - Used to toggle between the different available display modes. This button is
also used to set the 24-hour clock and screen resolution.
6. Quick Clean Button - Used to run a selected speed and duration programmed for Quick Clean.
When the LED is illuminated the Quick Clean schedule is active.
7. Power LED Indicator - An illuminated LED indicates that there is live power being supplied to the
pump.
8. "+" and "-" Arrows - Used to make on screen adjustments to the pump settings. The "+" arrow
increases the value of a given setting, while "-" decreases the value of a given setting. Pressing
and holding down either arrow button will increase or decrease the incremental changes faster.
OPERATION
(4) Display Mode
LED Indicators
(5) Display
Button
(6) Quick Clean
Button
(7) Power LED
Indicator
(8) "+" and "-"
Arrows
WhisperFlo VS 1500 Owner' s Manual
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