Repair - ProMinent CHLORINSITU IIa Assembly And Operating Instructions Manual

Maintenance and repair
Interval Maintenance work
Regularly Check whether the hardness of the water upstream of the softener is < 0.1°dH.
Slowly open the sampling tap and allow the air to bleed out. Once pure water flows from
the tap, leave it running for 1 min. Then take a sample: Check the hardness of the soft‐
ened water (order no. Z90.2093, van den Heuvel Watertechnologie b.v.).
Measuring the hardness of the softened water:
It is essential to avoid all perspiration traces and dust in this process!
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Flush the measuring tube and its lid with sampling water.
Fill the measuring tube with the water sample up to the 10 ml mark.
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Add 1 drop of indicator.
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Close the measuring tube and turn it repeatedly upside down - do not shake it.
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If the sample turns GREEN, the water has the correct hardness (< 0.05 °dH). The
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water is suitable for further use.
If the sample turns RED, the water hardness is > 0.05 °dH.
Add another 1 drop of indicator.
If the sample turns RED, contact customer service.
If the sample turns GREEN, take another sample on the next day and repeat the
measurement.
If the sample turns GREEN, the water has the correct hardness (0.1 ... 0.05 °dH). The
water is suitable for further use.
If the sample turns RED, contact customer service.

9.3 Repair

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User qualification, repair: Service, see
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qualification' on page 8
The system can only be repaired by the manufacturer or the
authorised Service department. Please get in touch with your local
Service contact.
Ä Chapter 1.3 'User