Checklist Before Installation
1. Water Pressure - Not less than 20 psi constant. See page 30.
2. Double check hardness - of water with test strips provided to verify that your appliance is right for
the job. See page 10.
3. Water Supply Flow Rate - 5 gallons per minute is recommended as minimum.
4. Drain - Drain appliance to fl oor drain or washer drain. To prevent back-siphoning, the installer must
provide an adequate air gap or a siphon break. See fi gure 1.
5. Electricity - The transformer supplied is a standard 120 volt, 60 cycle A.C. for USA or 220 volt, 50
cycle A.C. for outside the USA. See fi gure 8.
6. Water Quality - If water supply contains sulfur, bacteria, iron bacteria, tannins, algae, oil, acid, dirt,
sand or other unusual substances, special equipment must be installed prior to the appliance.
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