Ecolab EcoAdd Series Operating Instructions Manual page 233

DANGER!
Damage and injuries may occur if installation, maintenance or repair
work is carried out incorrectly.
– All installation, maintenance and repair work must only be performed by
authorised and trained specialist personnel in accordance with the
applicable local regulations.
– Safety regulations and prescribed protective clothing when handling
chemicals should be followed. Attention must be paid to the information
included on the product data sheet for the metering medium used.
– Prior to installation, maintenance and repair works the feeding of the
dosing medium should be disconnected and the system cleaned.
NOTICE!
Only original equipment spare parts may be used for maintenance
and repairs.
CAUTION!
For maintenance work, the pump must be placed to the 'Maintenance
mode' which causes the motor and the diaphragm to be reset, simplifying
the maintenance work!
It is essential that you observe the procedure in the "Maintenance" chapter!
After the dosing pump is placed into the 'Maintenance mode' the mains
plug must be disconnected to prevent accidents.
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417102276 Rev. 5-02.2020