BWT Disinfecton Manuale utente

BW T Disinfecton

On site production of disinfection liquid

Installation and Operating manual EN

2 
 
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

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.

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!

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.

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

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.

Type Key

Product overview

Electrical cabinet

Hydraulic cabinet

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)

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