BWT Disinfecton User manual

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BW T Disinfecton
On site production of disinfection liquid
Installation and Operating manual EN

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Table of Contents
Safety Instructions......................................................................4
Qualifications of installer and operator...............................................................................................4
Generally Safety instructions .............................................................................................................4
General Information...................................................................5
Neuthox .........................................................................................................................................5
The BWT Disinfection .......................................................................................................................5
Application .....................................................................................................................................6
Improper Operating Methods............................................................................................................7
Warranty........................................................................................................................................7
Nameplate......................................................................................................................................7
Type Key ........................................................................................................................................8
Product overview.......................................................................9
Electrical cabinet ..........................................................................................................................9
Hydraulic cabinet .........................................................................................................................9
Connections...............................................................................................................................10
Valve block................................................................................................................................10
Technical Data..........................................................................12
Assembly and Installation ........................................................13
Electrical Connection......................................................................................................................13
Check valve ..................................................................................................................................13
Brine tank .....................................................................................................................................13
Connecting the brine filter ...........................................................................................................14
Neuthox tank ................................................................................................................................14
Dosing Pump.................................................................................................................................15
Dosing connector...........................................................................................................................15
Water meter..................................................................................................................................15
Communication .............................................................................................................................15
Ethernet Modbus ........................................................................................................................15
SMS communication ...................................................................................................................15
Neuthox production configurations ..........................................15
Softener settings.............................................................................................................................16
Brine pump start up.....................................................................................................................16

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Neuthox dosing configurations.....................................................................................................16
Configuration.............................................................................................................................16
Parameters.................................................................................................................................16
Dosing settings ...........................................................................................................................16
Dosing regulator control ..............................................................................................................17
Water .......................................................................................................................................17
Start-up......................................................................................................................................17
Neuthox dosing for Proportional dosing........................................................................................18
Troubleshooting .......................................................................20
List of Alarms and troubleshooting ...................................................................................................20
Spare part list ..........................................................................26
Options:...................................................................................26
Spare part drawings................................................................27
PI-diagram...............................................................................28
Arrangement drawing ....................................................................................................................29
Disposal .......................................................................................................................................30
Declaration of Conformity ........................................................32
Noter .......................................................................................33

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Safety Instructions
This manual contains general instructions that must be read before installation, operation and maintenance
of the machine. It must be read by both the installer and the operator, prior to installation and start-up, and
must always be available at the installation location.
This manual uses the following markings:
Warning
If these warnings are not adhered to, it might result in personal injury
Caution
If these safety instructions are not adhered to, it might result in
malfunction and damage to the machine and/or installation
Note
If these notes are adhered to, it will make installation and maintance
easier.
Qualifications of installer and operator
The installer must be sufficiently qualified to install the machine and must adhere to the local standards
regarding the electrical and hydraulic installation.
The operator must be sufficiently trained in the workings of the machine, with emphasis on the safety
instructions in this manual.
If the safety instructions are not followed, it might lead to personal injury and result in loss of warranty.
Generally Safety instructions
The safety instructions given in this manual and any existing local legislation on health protection must be
adhered to.
Always disconnect the water and power supply before working inside the machine. The machine forms small
amounts of hydrogen as a by-product of disinfection fluid production. Inadequate ventilation can lead to an
explosive atmosphere. The water quality must meet drinking water specifications –if this is not adhered to,
the softener and cell can be damaged. Neuthox® and residual chloride can become corrosive at high
concentrations –beware of material specifications in application.

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General Information
The BWT Disinfecton is an on-site disinfection liquid producing system. Through the electrolysis of salt water, using
patented membrane cell technology, it produces a safe, cost effective, environmentally friendly nonhazardous
disinfection fluid. This unique disinfection fluid is produced under the registered name Neuthox®. Neuthox®
contains hypochlorous acid which is a highly potent oxidant. This means Neuthox® can be used as a biocide
whenever bacteria in water needs to be controlled.
Electrolysis in chemistry is the method, where an otherwise non-spontaneous process is driven by applying a direct
current. When creating Neuthox®, the machine utilizise this to split chlorine (Cl) from Sodium (Na), in ordinary
kitchen salt (NaCl).
Neuthox
Neuthox is a non-hazardous disinfectant. It has a neutral pH value of pH 5,5 - 8,5. The main components in
Neuthox is free chlorine, hypochlorous acid and sodium. For further information please read the Safety data
sheet for Neuthox.
The BWT Disinfection
The machine comes with a integrated water softener system to avoid lime scale in the cell. The production
process is carefully controlled by the build-in BWT controller/HMI to supply a uniform product with the
lowest possible residual chlorides, all the time!

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A simplified P&I diagram shows the process. Water enters the machine through the prefilter and then the built-in
filter and the lime scale/calcium is removed in the water softener. The now soft water flow is reduced to
accommodate the cell capacity and brine is mixed into the water before it enters the electrolysis cell.
What makes Neuthox®special is that all the fluid is exposed to both sides of the cell. First the fluid passes the
negative cathode and afterwards the positive anode. By never splitting the flow, the risk of creating chlorine gas
is eliminated. Furthermore, the final product is 8.5 pH –close to pH neutral.
Application
Neuthox® is an effective biocide in multiple applications, where water quality is the key factor. It is applicable in
the areas listed below:
Dental Clinics
Medical Schools
Cooling towers
Swimming pools
Hot and cold-water systems
Drinking water disinfection
Cooling towers
BWT’s engineering staff can advise you on all application matters.

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Improper Operating Methods
The BWT Disinfecton should be located in a frost-free and well-ventilated room.
If the BWT Disinfecton is located in a small confined space without adequate ventilation, it is necessary to fit
an exhaust system, which our BWT staff will be able to advise you on.
Warran
ty
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guarantee claim in accordance with our general terms of sale and delivery is only valid if the following
requirements are fulfilled:
The BWT Disinfecton is used in accordance with the information within this manual.
The machine is correctly handled.
The maintenance is carried out by authorized and qualified BWT personnel.
Original BWT spare parts are used for repairs during maintenance.
Nameplate
Example of nameplate, with type- and serial number, rated
electrical and hydraulic data used for installation and CE mark of
approval.
Warning
The machine forms small amounts of hydrogen as a by-product. Inadequate
ventilation can lead to an explosive atmosphere
Warning
The machine is not approved for operation in potentially explosive
atmospheres.

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Type Key

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Product overview
Electrical cabinet
Hydraulic cabinet

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Connections
Hoses must be cut with a sharp blade to ensure that it stays round, do not use a tool that deforms the hose
in any way.
Valve block
The integrated valve block contains four valves, a brine pump and a pressure switch. The valve block distributes
water and brine through the machine. The brine pump is used for both Neuthox® production and softener
regeneration. The valves are marked individually on the block.
AV02, Cell inlet valve (NC)
AV04, Drain valve (NO)
AV07, 3/2-way valve (directs flow to production process when inactive)
Switches water flow between production- and regeneration process
AV08, Tank fil valve (NC)