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BWT Perla Duplex
Duplex water softener —compliant with DIN EN14743 and DIN 19636-100
bewr
BWT Perla Duplex Models
I
Intended
use
1.1
Proper use
This product is intended for the partial softening of drinking and service
water. It is also designed to prevent malfunction and damage caused by
calcification
in water pipes and the connected fittings, devices, boilers
and other equipment.
The performance specifications of the product must match the expected
usage conditions.
For more information,
technical data in this installation and operating manual (see chapter
"6 Technical data". page 14).
Ifthe product is intended for a commercial application, a consultant from
the manufacturer must conduct a test and issue an approval.
Operation
of the product only with regular function
performance of the maintenance measures required to ensure the safe
operating
condition of the product in accordance
conditions for planning and construction.
I .2
Foreseeable
misuse
• Failure to use the product over a longer period of time (7 days as
per DIN EN 8065).
• Failure to maintain the ambient conditions and operating conditions
(see chapter "6 Technical data". page 14).
• Failure to comply with the maintenance and service intervals specified
in this
manual.
• The use of unauthorised consumables and spare parts.
1.3
Other applicable
documentation
• Data protection notice
• Material safety data sheets
• Installation and operating manual of the product
www.bwt.com
Models
2
The BWT Perla product range Duplex includes various duplex water
softeners based on ion exchange. The products are filled with organic
ion exchange material.
2.1
Adaptive parallel operation via two columns allows for maximum soft
see DIN 1988-200 and the
water availability and minimises stagnation in the columns.
Regeneration is triggered volumetrically
of water). This means that no remaining supply of softened water is
discarded during regeneration.
During regeneration, only one column is available, which handles the
checks and the
entire softening process.
Ideally, the regeneration time occurs at night, as water consumption
with the operating
is usually lower during this period.
If the capacity falls below 50% before the query time, proportional
regeneration
If the capacity does not fall below 50% until after the query time, the
control system assumes that the remaining capacity is sufficient to
last until the regeneration time.
Regeneration begins immediately if the capacity is exhausted; other-
•
wise it starts at the selected regeneration time.
Current
version
Replaces all previous versions
Ref. installation/operating
instructions no.:
Function
Operation
starts immediately.
EN
Product
data
sheet
1-534405
POE
DT0301
dated:
May 2021
1-511029
(depending on the quantity
b BWT
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