Aqua Medic Nitratreductor NR Blue Mode D'emploi page 12

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Nitrite in the outlet of the filter: If the outlet of the filter contains high amounts of nitrite,

the feeding rate is too low. Increase the feeding or lower the flow rate. In most of those cases,

the redox potential is too high (more than -50 mV).

Nitrate in the outlet of the filter: High residual concentrations of nitrate often occur together

with high nitrite values. Caution! Most nitrate tests are disturbed by high nitrite concentrations!

In this case, the redox potential is also too high. Increase feeding rates, decrease the flow rate.

Hydrogensulfide in the outlet of the filter: The filter smells like fouling eggs. In most cases,

the redox potential is too low (below -300 mV). Reduce the feeding, check the flow rate and

increase it if necessary.

8. Warranty

Should any defect in materials or workmanship be found within 24 months of the date of purchase

AB Aqua Medic undertakes to repair, or at our option replace, the defective part free of charge –

always provided the product has been installed correctly, is used for the purpose that was intended

by us, is used in accordance with the operating instructions and is returned to us carriage paid.

Proof of Purchase is required by presentation of the original invoice or receipt indicating the

dealer's name, the model number and date of purchase. This warranty may not apply if any model

or production number has been altered, deleted or removed, unauthorised persons or organisations

have executed repairs, modifications or alterations, or damage is caused by accident, misuse or

neglect. Please note that the product is not defective under the terms of this Warranty where the

product, or any of its component parts, was not originally designed and / or manufactured for the

market in which it is used. These statements do not affect your statutory rights as a customer.

AB Aqua Medic GmbH - Gewerbepark 24 - 49143 Bissendorf/Germany

All manuals and user guides at all-guides.com

- Technical changes reserved – 07/2016