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Installation
To Check Tank Air Charge
If drawdown (amount of water available per cycle)
decreases significantly, check as follows:
1. To check air charge in tank, shut off electric power to
pump, open faucet near tank, and drain completely.
2. At the air valve in top of tank, check air pressure with
standard tire gauge. Air pressure should be 28 PSI.
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1. Tank nearly empty – air expands filling area above
vinyl separator.
2. Water begins to enter tank – air is compressed
above separator as it fills with water.
3. Pump-up cycle completed – air now compressed to
Figure 3
For parts or assistance, call Flotec Customer Service at 800-365-6832
Water
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Water
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0
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3. If the air pressure is below 28 PSI, add air to the tank.
Use an air compressor or a portable air storage tank.
4. Use soap or liquid detergent to check for air leaks
around air valve. Continuous bubbling indicates a
leak. If necessary, install new core in air valve. This is
the same as those used for automobile tubeless tires.
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2
Water
H
0
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cut off setting of pressure switch.
4. Water being drawn from tank – compressed tank air
forces water out of separator.
5. Separator completely empty – new cycle ready to
begin.
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