Ispring UVF11A Installation And Maintenance Manual page 14

1. The system is to be used with potable water supply only.
2. Feed water pressure to the unit is no less than 4 PSI and no greater than 85 PSI.
3. The system is to be used on water supplies with chlorine concentrations of 1.0 mg/L (ppm) or less.
4. Feed water temperature to the unit must be no less than 32°F and no more than 100°F.
5. Maximum hardness in feed water must be less than 120ppm.
6. Feed water must have a pH between 4 and 8.
7. Turbidity must be less than 1.0 NTU.
8. SDI must be less than 5.
9. Maximum iron in feed water must be less than 0.3ppm.
While the testing was performed under standard laboratory conditions, actual performance may vary. The Manufacturer does not know the
characteristics of your water supply. The quality of water supplies may vary seasonably, or over a period of time. Your water usage may vary
as well. The Manufacturer assumes no liability for the determination of the proper equipment necessary to meet your requirements, and we
do not authorize others to assume such obligation on our behalf.
This Limited Warranty does not cover any Manufacturer-supplied items that are defective as a result of the use of improper parts, equipment
or materials. This warranty does not cover alterations or modifications of the unit or failure of a unit caused by such alterations and
modifications.
This Limited Warranty does not cover malfunctions of the unit due to tampering, misuse, alteration, lack of regular maintenance, misapplication,
fouling due to hydrogen sulfide, manganese or iron, scaling from excessive hardness, turbidity greater than 1.0 NTU, Silt Density Index (SDI)
greater than 5.0. In addition, damage to the unit due to fire, accident, negligence, acts of God, or events beyond the control of the Manufacturer
are not covered by this warranty.
Incidental and Consequential Damages Limitation: The Manufacturer will not be responsible for any incidental or consequential damages as a
result of the failure of this unit to comply with express or implied warranties or any defect in the unit, including but not limited to, lost time,
inconvenience, damage to personal property, loss of revenue, commercial losses, postage, travel, telephone expenditures, or other losses of
this nature. In case some states do not allow the exclusion or limitation of incidental or consequential damages, you may choose to return the
system. If you choose to keep it, you understand this exclusion WILL STILL apply to you.
Owner's Warranty Responsibilities: As a condition of this Limited Warranty, the owner must ensure that periodic maintenance of the system is
performed as described in the literature enclosed with the system. Neglect, improper maintenance, abuse, modification, or alteration of the
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