Hayward SUMHEAT SHE1901 Guia Del Usuario página 26

Safety instructions
Regularly check the chemical composition of your water: This is
essential for your health and for your heat pump. Give particular
attention to the total alkalinity. It is formally recommended that you
have an independent retailer check your water.
DESCRIPTION
pH level
Concentration
of bleach
Alkalinity level
Hardness of the
calcium
WARNING
Warning as regards children/people with reduced physical capacity
This device is not intended to be used by people (including children)
whose physical and/or sensory or mental capacities are reduced, or
people without experience or knowledge, except if they can benefit,
by the intermediary of a person responsible for their safety, of a
surveillance or prior instructions regarding the use of the device.
Water quality standards
must be observed
NORMAL LEVEL
7.2 to 7.6
1.0 to 3.0 ppm
80 to 120 ppm
200 to 300 ppm
VERIFICATION
Once a week
Once every 2-3
days
Once
every 2-3 weeks
Once a month
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