BWT Perla one User manual
1-510499 / 12695 / 2019-10 / © BWT Wassertechnik GmbH / Printed in Germany
BWT Perla one
Simplex softening unit
Subject to change without notice!
Installation and operating manual EN
2
Thank you very much for the
confidence that you have
shown in us by purchasing a
BWT appliance.
EN
Table of contents Page 3
3
EN
Table of contents
1 Safety instructions 4
1.1 General safety instructions 4
1.2 Scope of the documentation 4
1.4 Transport and installation 5
1.5 Symbols used 5
1.6 How safety instructions are displayed 6
1.8 Important notes on the product 7
2 List of supplied parts 9
3 Intended use 11
3.1 Proper use 11
3.2 Foreseeable misuse 11
3.3 Other applicable documentation 11
4 Function 11
4.1 General 11
4.2 Operation 11
4.3 Regeneration 12
4.4 Regenerative monitoring 12
4.5 Multi-info touch display 12
4.6 Stagnation management 12
4.9 Interaction 13
4.10 Connectivity 13
4.11 Safety 13
5 Installation conditions 14
5.1 General 14
5.2 Installation site and environment 14
5.4 Functional and warranty conditions 15
5.5 Installation 15
6 Installation 16
6.1 Installation diagram 16
6.2 Electrical connections 17
7 Start-up 18
7.1 Display and operation 18
7.2 Starting up 18
8 Operation 25
8.1 Opening the Easy Fill technology cover 25
8.2 Closing the Easy Fill technology cover 25
8.3 Device status display 25
8.4 Operating display (home screen) 26
8.6 Stoppages and reactivating the unit 35
9 Additional online functions 36
9.1 Registration without a GSM connection 38
9.2 LAN connection 38
9.3 WLAN connection 39
9.4 Activating your BWT product 39
9.5 BWT Best Water Home App 40
9.6 Remote operation 41
9.7 Fault during start-up 42
9.8 Fault during operation 45
10 Operator responsibilities 46
10.1 Intended operation 46
10.2 Checks 46
10.3 Inspection 47
10.4 Maintenance in accordance with
EN 806-5 48
10.5 Replacement of parts 48
11 Warranty 48
11.1 Product returns 48
12 Technical data 49
12.1 Dimensions 50
13 Troubleshooting 52
13.1 Malfunctions 52
14 Decommissioning and disposal 53
14.1 Shutting down the unit 53
14.2 Disposal 53
15 Standards and legal provisions 53
16 Operating report 54
17 German Drinking Water
Ordinance notice 55
EU Declaration of Conformity 59
4
EN
1 Safety instructions
1.1 General safety instructions
The product was manufactured in accordance with
all recognised regulations and technical standards
and was in compliance with the relevant legal re-
quirements when it was put into circulation.
Nevertheless, it can pose a risk of personal injury
or property damage if you do not observe this
chapter and the safety instructions throughout this
documentation.
Read this documentation carefully and in its en-
tirety before working with the product.
This documentation must be kept accessible to
all users at all times.
Always hand over the product to third parties to-
gether with the full documentation.
Follow all of the instructions in relation to the
proper handling of the product.
If you detect damage to the product or the mains
supply, stop its operation and notify a service
technician immediately.
Use only accessories, spare parts and con-
sumable materials that have been approved by
BWT.
Adhere to the environmental and operating con-
Use your personal protective equipment. It en-
sures your safety and protects you from injury.
Perform only tasks that are described in these
operating instructions or that you have been
trained to do by BWT.
Perform all tasks in compliance with all applica-
ble standards and provisions.
Instruct the operator in the function and opera-
tion of the product.
Instruct the operator in the maintenance of the
product.
Instruct the operator in relation to potential dan-
gers that may arise while operating the product.
1.2 Scope of the documentation
This documentation applies exclusively to the
product whose production number is listed in
chapter 12, “Technical data”.
This documentation is intended for operators,
installers without training from BWT, installers with
training from BWT (e.g. drinking water specialists),
and BWT service technicians.
This documentation contains important information
up, operating, using, maintaining, and disassem-
bling the product, and for correcting simple faults
independently.
Read this documentation in full before working with
the product. Pay particular attention to the chapter
1.3 Personnel qualications
The installation work described in these instructions
requires basic knowledge of mechanics, hydraulics
and electrical systems as well as knowledge of the
corresponding specialist terms.
To ensure that the device is installed safely, this work
specialist.
A qualied specialist is someone with specialist
training, knowledge and experience as well as
knowledge of the applicable regulations allowing
them to assess the work assigned to them, identify
potential risks, and take suitable safety measures. A
specialist regulations.
A trained person is someone who has been
entrusted to them and the potential dangers of
improper conduct and, if necessary, trained and
instructed on the necessary protective equipment
and protective measures.
5
EN
1.4 Transport and installation
To avoid damage during transport to the installation
location, do not remove the BWT product from the
packaging until you have reached the relevant lo-
cation. Then dispose of the packaging in the correct
manner. Check that the delivery is complete.
If there is a risk of frost, drain all components that
convey water.
Only lift or transport the product or product parts at
the eyebolts or attachment points provided.
The product must be placed on a horizontal surface
-
ing capacity. It must be secured so that it does not
fall or tip over.
1.5 Symbols used
This symbol indicates general
risks to persons, equipment or the
environment.
This symbol indicates risks due to
the mains voltage.
Risk of death by electric shock!
This symbol indicates information
or instructions that you must
observe in order to ensure safe
operation.
Unplug device before any service
and repair work.
This symbol indicates information
that is important to observe.
This symbol indicates that at the
end of its service life the electrical
or electronic device may not be
disposed of in household waste.
This symbol indicates that the
product can be recycled after it is
shut down.
6
EN
1.6 How safety instructions are
displayed
In this document safety instructions precede any
sequence of actions that could cause harm to per-
sons or damage to property. All hazard prevention
measures must be followed.
Safety instructions are displayed as follows:
SIGNAL WORD!
Source of hazard
(e.g. electric shock)
Type of hazard (e.g. risk of fatal
injury)!
Escape or prevent hazard
Rescue measure (optional)
Signal word / colour Indicates the severity of
the hazard
Warning symbol Calls attention to the
hazard
Source / type of
hazard
Indicates the type and
the source of the hazard
Consequences of
hazard
Explains the conse-
quences of not following
the safety instructions
Hazard prevention
measure
Explains how to avoid
the hazard
Signal word Colour Severity of the hazard
DANGER
High-risk hazard.
Indicates a hazardous
situation which, if not
avoided, will result in
death or serious injury.
WARNING
Hazard with a mod-
erate degree of risk.
Indicates a hazardous
situation which, if not
avoided, could result in
death or serious injury.
CAUTION
Low-risk hazard.
Indicates a hazardous
situation which, if not
avoided, may result
in minor or moderate
injury.
1.7 Product-specic safety
instructions
DANGER!
Mains voltage!
Risk of death by electric shock!
Unplug device before any service and
repair work.
If the mains cable of the unit becomes
damaged, you must replace it with an
original BWT cable.
perform certain safety-relevant actions on the
device.
7
EN
1.8 Important notes on the product
The product must be installed as
described in the installation guide
in compliance with the general
requirements for the supply of
company or by a party registered
in the water supply company’s
Water Ordinance) section 16 and section 21, notify
residents of the installation of the product, and ex-
plain how it works and which regenerative is used.
Using treated drinking water with plants and
aquatic animals
Each species of plant and aquatic animal requires
water that contains a special combination of sub-
stances. Users of the unit should therefore consult
the standard literature and check that they can use
retreated drinking water for watering plants or for
Handing over the product to the operator
If there is a delay between in-
stallation / start-up of the unit
and transfer to the operator, both
exchanger columns must be man-
ually regenerated.
The operator must be told how the product works
as well as how to operate and maintain it.
Hand over the quickguide with instructions on in-
stalling and operating the product to the operator.
1.9 Denitions
Inow water: Drinking water quality of the local wa-
ter supplier. Depends on the region and described
using the degrees of hardness soft, medium or hard.
Softened water: Softened water, usually with water
hardness of 0 – 9°dH
Outlet water: The water leaving the softening unit
Pearl water: BWT recommended water quality with
water hardness of 4 – 6°dH
Blended water: The BWT softening unit mixes
to the desired outlet water quality.
Fully softened water:
water is mixed and which is treated by the device.
Hardness value of 0.1 – 2.5°dH.
8
EN
Microbiological and sensory quality of the (partially) softened water
The quality of the treated water depends greatly on the conditions under which the product is installed
and operated. The most important factors are listed in the following table.
Unfavourable conditions BWT recommendations
Quality of the inflow
water
Unsuitable and marginal quality
the product
Contact the BWT drinking water
Operating conditions
Long periods of stagnation, infre-
quent regeneration and incorrect
configuration of the system can
pearl water
Observe the notes in the installation
and operating manual, contact the
Quality of the regen-
erative
Impurities from cheaper regener-
atives with insoluble components
cause deposits
Use of BWT Perla tabs or regeneratives
that comply with DIN EN 973 type A
Installation situation and
conditions
Temperatures in the installation
room greater than 25°C, evapo-
ration of solvents or an improper
waste water connection may ad-
versely affect the quality of the
pearl water
Observe the notes in the installation
and operating manual
When determining whether there is a problem with the sensory or microbiological quality of the treated
water, it is important where in the system the quality is measured. For example, if the quality is measured
or hot water storage tank.
9
EN
2 List of supplied parts
BWT Perla one simplex water softener with:
11.1 Microprocessor control with 3.5-inch
multi-info touch display
1.2 Multiple-way control valve
1.3 Water meter for partially softened water
1.4 Manual mixing valve
2 Easy Fill technology cover
3 Integrated regenerative container
4 Brine suction system
5 Water outlet
6 Water inlet with non-return valve
7Column containing ion exchanger material
– 2 m rinsing water hose
–
– Fasteners
–BWT AQA test hardness monitoring device
–BWT pearl water test strips for monitoring
the quality of pearl water
8 Multiblock module X DN32
9
10 BWT siphon
9 8
10
4
3
6
5
7
2
11
1.2–1.4 1.1
10
EN
Optional extras
(not on list of supplied parts)
Order no.
BWT Bewasol brine lifting system 11808
BWT AQA Stop wireless humidity
sensor
(required accessories for the AQA
Guard function)
11772
LTE antenna, cable length of 3 m 1-444528
Fault signal cable ZLT 1-433090
Mineral metering units
(not on list of supplied parts)
Order no.
BWT Bewados Plus E3 17080
Austria: 082026
BWT Bewados Plus E20 17081
Austria: 082027
11
EN
3 Intended use
3.1 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 calci-
devices, boilers and other equipment.
match the expected usage conditions. For notes on
this, see the DIN 1988-200 standard as well as the
technical data in chapter 12 of this installation and
operating manual.
If the product is intended for a commercial appli-
cation, a BWT consultant must conduct a test and
issue an approval.
Operation of the product with regular function
checks and the execution of the maintenance meas-
ures required for the safe operating condition of the
product in accordance with the operating conditions
for planning and construction.
3.2 Foreseeable misuse
A product not used for a longer period of time (7 days
in accordance with DIN EN 806-5) is not operated
as intended.
Non-compliance with the ambient and operating
conditions in the technical specifications in
chapter 12.
Failure to comply with the maintenance and service
The use of unauthorised consumables and spare
parts.
3.3 Other applicable documentation
Data protection notice
Material safety data sheets
Installation and operating manual for the instal-
lation accessories
4 Function
4.1 General
The BWT Perla one is a simplex water softener
that functions using ion exchange. The product
is lled with organic ion exchange material.
water is available via an integrated bypass.
rate is reduced during the regeneration procedure.
NOTE
The design of the unit does not permit
setting it to 0°dH. The minimum avail-
able outow hardness is approximately
20 percent of the inow water hardness.
Maximum softening (set to 0°dH)
Regeneration is triggered volumetrically (depend-
ing on the quantity of water). This means that no
remaining supply of softened water is discarded
during regeneration.
4.2 Operation
The mode of operation is consumption-dependent.
This adaptive, sequential design maximises sof-
tened water availability and minimises stagnation.
water is available.
The regeneration time therefore occurs at night,
as water consumption is usually lower during this
period.
BWT Perla one automatically determines the capac-
ity required by means of constant monitoring over
a two-week consumption period.
Regeneration begins immediately if the capacity is
exhausted; otherwise it starts at the regeneration
time.
12
EN
DE, AT, CH, EN, FR, IT, ES.
Water hardness in: °dH, °f, mol/m3, ppm calcium
carbonate.
change can be programmed in the control unit.
4.6 Stagnation management
Depending on the capacity consumption, the
product performs a proportional regeneration or a
hygiene rinse at the time of regeneration.
If the capacity is not used up within 72 hours, the
control unit triggers a regeneration.
4.7 Display of ow rates
(volumes)
The accumulated water consumption indicates the
consumption of fully softened water.
4.8 Display of current ow rate
(volume ow)
NOTE
The ow shown in the display indicates
the outlet water (fully softened water
plus added inow water).
A comparison of the displayed volumes
using a domestic water meter is not
possible.
Blending valve
Fully softened water
= Displayed volume [litres].
Inlet water
Outlet water
= Displayed flow rate [liter/h]
4.3 Regeneration
Exchange of hardness forming substances Ca and
Mg ions for Na ions from the regenerative at the
ion exchanger.
A precision brine meter measures out the brine
required.
The product is equipped with a device that disinfects
the ion exchange material during regeneration.
By measuring data acquisition during brine extrac-
tion, the regeneration process is adapted to the
respective pressure conditions, the regenerative
and regeneration water consumption is reduced to
the required minimum.
The optimised brine preparation process produces
as much brine as needed for regeneration in less
than 0.5 hours.
The brine collects in a special sink of the regen-
erative container and is fully extracted from there.
After brine extraction, there is no liquid left in the
regenerative container.
An ultrasound sensor in the Easy Fill technology
cover measures the regenerative level.
The regeneration is proportional. 100% regener-
ation takes place after 72 hours at the latest for
hygiene purposes.
4.4 Regenerative monitoring
100% in the multi-info touch display corresponds to
From a level of around 20%, the device status
4.5 Multi-info touch display
A fully graphical, 3.5-inch full cap touch display is
used for display and for controlling the product. The
device status is displayed via the BWT logo.
from the HYDROMAPS database can be adopted
or the hardness of the local drinking water and the
desired outlet water hardness can be entered into
the control unit.
All other product parameters are stored in the
control unit. All product data is pre-set and product
parameters can be queried.
in l/h during operation.
Operating data, such as water and regenerative
consumption, can be displayed on screen.
13
EN
4.9 Interaction
A BWT mineral metering unit can be plugged into
the unit at any time.
Up to 10 BWT wireless humidity sensors (order no.
11772) can be taught.
4.10 Connectivity
BWT DES (BWT Digital Eco System)
WLAN/LAN (LAN via RJ45 socket), can be used
after registration with BWT and creation of a
customer account.
GSM connection to the BWT server for full
functionality and database updates. Not with all
models in the BWT Perla series.
APP: BWT Best Water Home (depending on the
model and market, can potentially be used after
registration with BWT and creation of a custom-
er account).
Plug connection to central instrumentation and
control (CIC): The contact opens in the event of
an error or power failure (max. contact assign-
4.11 Safety
AQA Safe valve
The AQA Safe valve closes the waste water valve
in the event of a power failure and thus protects
against water damage caused by rinsing water,
especially when the rinsing water is being drained by
a pump that stops functioning when the power fails.
In the event of a power failure, the control valves
remain in their respective operating condition. The
programmed parameters are stored permanently
AQA Watch function
period of time (> 10 minutes) indicate a problem in
the pipeline network (e.g. leakage, dripping drain
tap or leaky toilet cistern). The programmable AQA
Watch function of the intelligent control unit moni-
tors the water supply to the building and issues a
warning message.
AQA Guard (optional)
Up to 10 sensors can be wirelessly registered with
the BWT Perla one. When a sensor detects mois-
ture, the control unit gives a visual warning signal.
When using the BWT Best Water Home app on a
mobile device, the warning is also displayed there.
14
EN
5 Installation conditions
5.1 General
The product must be installed as described in the
installation guide in compliance with the general
requirements for the supply of water in Germany
company or by a party registered in the water supply
Observe all applicable local installation regulations,
general guidelines, sanitary requirements and tech-
5.2 Installation site and environment
Softening units may not be installed in systems
The installation site must be kept free of frost, must
protect the product from chemicals, paint, solvents
and fumes, must be structurally waterproofed in
accordance with DIN 18195-5 and must allow for
easy connection to the water supply system.
NOTE
A connection to the sewage system,
a oor drain and a separate mains con-
nection (230 V / 50 Hz) must be located
in the immediate vicinity.
-
tion integrated into the softening unit (available with
some models) or the internal AQA Stop function
However, this is at the property insurer’s discretion.
It is the unit operator’s responsibility to clarify this.
not have an integrated AQA Stop function, a sepa-
rate safety device will have to be installed on site in
This safety device (e.g. external BWT AQA Stop)
current in order to prevent unintended water leakage
from the softening unit if the product is damaged.
required operating pressure must be present at
all times. A separate means of protection against
a shortage of water is not provided and must be
installed on site if desired.
If the rinsing water is fed into a pump, it must be
designed for a water volume of at least 2 m3/h or
35 l/min for products for building services and at
least 3 m3/h or 50 l/min for Rondomat and BWT
Perla Professional products.
If the pump is used for other products simultane-
ously, the size must be adjusted according to their
water discharge quantities.
The pump must be resistant to salt water.
-
uct, either GSM reception or integration into a home
network via LAN or WLAN should be possible at the
installation site (see chapter 9).
5.3 Inow water
-
tions of the Trinkwasserverordnung (German Drink-
ing Water Ordinance) or EU directive 98/83/EC. The
total dissolved iron and manganese may not exceed
bubbles. Install a bleed device if necessary.
If the treated water is intended for human con-
(German Drinking Water Ordinance), the ambient
temperature must not exceed 25°C.
If the treated water is intended for industrial pur-
poses only, the ambient temperature must not
exceed 40°C.
The product’s maximum operating pressure must
never be exceeded (see chapter 12, Technical data).
If the network pressure is higher, a pressure reducer
must be installed upstream of the product.
The product requires a minimum operating pressure
to function correctly (see chapter 12, Technical
data).
The optimal operating pressure is between 3 and
6 bar.
15
EN
5.4 Functional and warranty
conditions
Softening units require regular functional monitor-
ing, maintenance and replacement of important
parts after certain intervals.
The amounts of metering substance and regen-
erative necessary are subject to the level of con-
sumption, which depends on operating conditions.
Softening units must be cleaned regularly and also
disinfected if necessary. See this installation and
operating manual for the maintenance intervals.
We recommend that you enter into a maintenance
agreement.
of the pressure surge and the standing pressure
must not exceed the nominal pressure. The pos-
itive pressure surge must not exceed 2 bar and
the negative pressure surge must not be less
DIN 1988-200/3.4.3).
Continuous operation of the softening unit with water
containing chlorine or chlorine dioxide is possible if
the concentration of free chlorine/chlorine dioxide
does not exceed 0.5 mg/l.
Continuous operation with water containing chlorine
or chlorine dioxide can lead to premature ageing
if an organic ion exchange material is used. A
softening unit can reduce the concentration of free
chlorine and chlorine dioxide. In other words, the
-
ity-based features, one of the following must be
present at the installation site:
A GSM signal strength of -40 to -89 dB
A WLAN signal strength of -20 to -89 dB
An RJ45 network socket connected to the net-
work within 1.5 m of the device
5.5 Installation
The pipeline network must be rinsed before the
product can be installed.
You must check whether a mineral metering device
needs to be installed downstream from the product
for the purpose of preventing corrosion.
Use corrosion-resistant pipe materials for instal-
lation. Pay attention to corrosion-causing chem-
direction upstream of the product.
functional before the product is installed. This is the
only way to ensure that dirt and corrosive products
do not enter the product.
Suitable test sample extraction points must be
installed upstream and downstream of the product
regenerative container and the rinsing water hose
must be routed at an incline to the sewage system
or connected to a pump.
According to EN 1717, the rinsing water hose and
possible waste water level. (Distance is greater than
the diameter of the drain pipe).
16
EN
Connect the product as shown in the diagram
opposite. A bypass is integrated into Multiblock X.
The unit can be installed in horizontal or vertical
pipelines.
Follow the separate installation instructions for
the Multiblock X, otherwise warranty claims are
void should the unit be damaged.
Rinse out any dirt particles by opening the
handwheel on the Multiblock.
Connect a corrugated hose to the Multiblock X
connection IN (6) of the product. Observe the
Connect a corrugated hose to the Multiblock X
inlet and then connect this to the outlet water
connection OUT (5) of the product. Observe the
leading
away to 6
Multiblock X
coming
from 5
5
6
6 Installation
6.1 Installation diagram
Filter
Pressure reducer, metering
unit may be required depend-
ing on operating conditions
Meter-
ing unit
Garden water pipe, lling
pipe for swimming pool
Cold drinking water,
warm drinking water
Sampling valve Sampling valve
Floor drain
17
EN
Lead the rinsing water hose Ø 8 mm (13) to the
sewage system connection (drain) or connect
it to the included BWT siphon and secure the
pressure.
14) to a sew-
age system connection (drain) at least 10 cm
lower or connect it to the included BWT siphon
and secure it appropriately.
The two hoses connected to the sewage sys-
tem may not be connected or constricted at any
point. When using the BWT siphon, connect it
to the sewage system connection in accordance
with the installation instructions enclosed with
the siphon.
In accordance with EN 1717, the rinsing water and
system at least 20 mm above the highest possible
waste water level (unimpeded drainage).
6.2 Electrical connections
The following connections are available at the rear
of the Easy Fill technology cover:
15 LAN (RJ45) connection
16 GSM antenna connection (optional, at low
signal strength). Not with all models in the
BWT Perla series
17 Network cable, depending on the model
and market
18 Fault signal contact connection (3 wire),
potential-free changeover contact (max.
Terminal 1-2 closed during operation
Terminal 3-2 closed during fault
19 Dosing pump connection (2-wire)
> 20 mm
1314
OUT
IN
1615
17
18 19
123
18
EN
7 Start-up
7.1 Display and operation
Touch display controls
Menu
Display of WLAN signal strength
Display of GSM signal strength
Next / Next page
Back / Previous page
Start page / Status overview
Server connection active
Regeneration in progress
7.2 Starting up
Adding regenerative
Open Easy Fill technology cover (2) and add up
to 30 kg of regenerative (regenerative tablets in
accordance with DIN EN 973 type A, e.g. Clarosal)
to the regenerative container (3).
NOTE
The product must not be operated with
Sanitabs or Sanisal
Inserting the mains plug
The start-up assistant is activated.
Selecting the language
Touch the desired language
Following screen:
Start screen
Start screen
Press
CONTINUE
Following screen:
Installation check
19
EN
Installation check
properly connected.
Press
START CHECK
to begin.
Following screen:
Waste water connection in accordance with
EN 1717
If you are sure that all the points have been met,
you can skip the check.
To do so, press
SKIP.
Following screen:
Registration
Installation check 1/4
Check the waste water hoses are connected
properly.
Press
INSTALLED
Following screen:
Connection on the Multiblock
Installation check 2/4
Check the hoses for hard and softened water on
the Multiblock are connected properly.
Open the Multiblock by turning the handwheel
anti-clockwise until it stops. Rinsing of the device
starts.
Press
INSTALLED
Following screen:
20
EN
Installation check 3/4
Installation check 4/4
Check the level of the regenerative.
Caution: Do not pour water into the device!
Press
CONFIRM
Following screen:
Installation check
NOTE
When lling the regenerative, make sure
that no dirt gets into the locking mecha-
nism (red circle).
Installation check
The installation check is completed successfully
when all four icons are green.
Press
CONTINUE
Device registration begins.
The start-up rinse runs in the background (lasts
approx. 10 minutes).
Following screen:
Registration
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