Evoqua WALLACE & TIERNAN MICRO/2000 Manuale utente
Wallace & Tiernan® Instruction Manual
MICRO/2000® and DEOX/2000® Measurement Module
W3T331759 / WT.050.585.003.UE.IM. 1014
Suite 3, 2nd Floor, One 60 London Road, Sevenoaks, TN13 1BT
Tel.: +44 1732 771777 Fax: +44 1732 771800 www.evoqua.com
Important Notice
Evoqua Water Technologies Instruction Manuals are the safety documents for their products. The information provided therein
is in accordance with the best practices known at the time of issue and, if fully implemented, should enable the user to operate
the plant in the safest possible manner. It is therefore most important that instructions be read and understood prior to the
installation, operation or maintenance of the plant.
Notes
Where necessary, special instructions are provided and are
quoted under the following headings:
WARNING: A warning is given in instances where
failure to observe the instruction could result in injury to
personnel.
CAUTION: Cautions are given where failure to
observe the instruction may result in equipment damage,
or pollution to an allied system.
NOTE: Notes are provided to give additional emphasis to
particular points of detail.
The following recommendations are made to ensure safe
and efcient operation:-
1 Only suitably qualied personnel should install, operate
and maintain the equipment.
2 Only Evoqua Water Technologies manufactured or
approved parts should be used.
3 The equipment should not be used for any purpose other
than that for which it was supplied.
4 If equipment being supplied is being put into storage or
not being commissioned immediately, or if the plant is being
de-commissioned, Evoqua Water Technologies urge that
they be contacted for detailed advice.
In an effort to make progressive improvements to products,
changes indesign maybe incorporatedfrom timeto time, which
may not be reected immediately in the instruction manual.
If in doubt, contact Evoqua Water Technologies quoting the
equipment serial number; serial numbers are essential for
effective communication and proper equipment identication.
The equipment described in this manual may be used with
substances that themselves may be hazardous to personnel
safety. It is essential that persons employed in the vacinity of
such substances be aware of the appropriate safety practices
and the location of suitable safety equipment. Provision of
safety cards and codes of practice concerning hazardous
substance should be made by the supplier of the substance.
Warranty
The equipment supplied is guaranteed against mechanical
defect notied to the Seller within a period of 1 year from
the date of delivery. For such guarantee to be valid the
purchaser must notify the seller in writing immediately
such defect becomes apparent. If the Seller so requires,
the Purchaser shall return the defective equipment (at the
Purchaser’s expense) to the Seller. The Seller undertakes
that it will, at its own option and its own expense, and by way
of full discharge of its guarantee obligation hereunder, either
repair, or supply a replacement for the defective equipment,
or refund any purchase monies paid to it in respect of any
such defective equipment, or portion thereof. If title to the
defective equipment is at the time of such replacement or
refund vested in the Purchaser, then title shall thereupon
vest in the Seller. Replacement material situated outside
the U.K. will be supplied F.O.B. U.K. Port. The guarantee
given in this clause shall not be operative and enforceable
if the equipment is not operated strictly in accordance
with the sellers instruction, or in the respect of any defect
arising from accident, deliberate act, misuse, neglect or
from a breach from the terms of the following clause, or
in respect of any defect arising through damage incurred
while being transported after delivery of the equipment, or if
the equipment has been altered or modied in any way by
any person other than the seller, or in respect of any other
cause whatsoever which lies beyond the Sellers control.
The Purchaser must comply with all user instructions
and safety recommendations issued by the Seller, and
must install, commission and maintain the equipment in
accordance with good engineering practice, and under the
supervision of suitably qualied personnel, and the Seller
shall not be liable to the Purchaser for any loss suffered
as a result of the Purchaser’s breach of the terms of this
clause.
Subject to this guarantee all conditions, warranties and
representations, whether expressed or implied (by statute
or otherwise) relating to the equipment, are hereby excluded
in so far as they can be excluded without such exclusion
being void or unenforceable at law.
Wallace & Tiernan, Barrier, Chem-Ad, DEPOLOX, OSEC, and V10k are trademarks of Evoqua, its subsidiaries or affiliates.
The designations used in this publication may be trademarks whose use by third parties for their own purposes could
violate the rights of the owners.All rights, especially those to duplication and distribution as well as translation, are
reserved. No part of this document may be reproduced in any form (printing, photocopying, microlm or any other
method) or saved, processed, duplicated or distributed by the use of electronic systems without the express written
consent of Evoqua Water Technologies.
International Contact Information
Area Phone email
1W3T331759 / WT.050.585.003.UE.IM.1014
MICRO/2000® AND DEOX/2000® MODULE
INTRODUCTION
The MICRO/2000® and DEOX/2000® ResidualAnalyser utilises the same
robust measurement system with different set of chemical reagents to cover
the full range of analytical measurements. The unit consists of a peristaltic
pump, which delivers sample and reagents, a measuring cell and probe. The
system is designed to continually measure the level of free or total
chlorine residual present in a ow of water and, by control of the chlorine
dosage rate, maintain a predetermined chlorine residual level in the treated
water. The MICRO/2000® and DEOX/2000® can also be used to control
levels of chlorine dioxide or potassium permanganate in a ow of water.
In a MICRO/2000® conguration, the peristaltic pump ensures a consistent
ow of sample water to the cell where the residual is measured. Where
required for pH buffering and/or total residual measurement, the pump also
delivers liquid reagents in xed proportion to the sample. Potassium iodide
liquid reagent must be added to the analyser sample for the measurement
of total chlorine residual and acetate buffer to ensure that the sample pH
is maintained at pH 4. See Appendix A for further information on the
reagents. The system can be used for residuals in potable water, primary
or secondary wastewater or cooling water
In a DEOX/2000® system it operates as a centre zero analyser capable
of measuring oxidants (Chlorine and Ozone) and reductants (Sulphur
Dioxide). Potassium Iodide and Potassium Iodate are mixed with Acetic
acid to form Iodine in a mixing coil. This is then injected into the sample
stream and subsequently measured as a reduction current by the probe.
The presence of oxidant in the sample stream causes excess Potassium
Iodide to be oxidised to Iodine resulting in an increase in the measured
reduction current, whilst the presence of a reductant in the sample stream
results in the removal of Iodine and hence a reduction in the measured
current. Simply, changes above or below the measured Iodine baseline
enable the unit to detect both oxidants and reductants. See Appendix B
for further information on the reagents. The system can be used for all
dechlorination applications.
This manualhas beenproduced to enablethe userto obtainmaximum service
from the equipment and comprises installation, operation, maintenance and
spare parts information. Minor changes may be made to the equipment
that are not immediately reected in the manual - if such a change appears
to have been made, contact Evoqua Water Technologies for information.
Our guarantee is conditional upon the equipment being used in accordance
with the instructions herein and we therefore recommend that they be read
and fully understood before the equipment is placed in service.
Evoqua Water Technologies
W3T331759 / WT.050.585.003.UE.IM.10142
MICRO/2000® AND DEOX/2000® MODULE
Intended Use
The MICRO/2000® and DEOX/2000®Analyser are exclusively designed
for measurement and control tasks in conjunction with the SFC or MFC
controllers when required for the treatment of waste water, potable water
and industrial water.
The operational safety of the unit is only guaranteed if it is used in
accordance with its intended application. The unit may only be used
for the purpose dened in the order and under the operating conditions
indicated in the technical specications.
Compliance with the intended use also includes reading this operating
manual and observing all the instructions it contains. All inspection and
maintenance work must be performed at the prescribed intervals by
qualied personnel.
The operator bears full responsibility if this unit is put to any use which
does not comply strictly and exclusively with the intended use.
Table Of Contents
General Safety Precautions
Technical Data 1
Installation 2
Setup and Control Functions 3
Operation 4
Maintenance 5
Illustrations 6
Spare Parts List 7
MICRO/2000® Reagents Appendix A
DEOX 2000 Reagents Appendix B
3W3T331759 / WT.050.585.003.UE.IM.1014
MICRO/2000® AND DEOX/2000® MODULE
GENERAL SAFETY INSTRUCTIONS
Evoqua Water Technologies attaches great importance to ensuring work
on it's system is safe. This is taken into account in the design of the
system, by the integration of safety features.
Safety Instructions
The safetyinstructionsin thisdocumentation mustalways beobserved.These
do not impact on any additional national or company safety instructions.
Safety Instructions on the System
All safety instructions attached to the system itself must be observed.
Technical Standard
The system or unit has been constructed in accordance with state-of-
art technology and the accepted safety regulations. In the event of the
system, or unit, being used by persons who have not been adequately
instructed, risks hazard to such persons or third parties and damage to the
system or unit itself or to other property are possible. Work described in
this operating manual may only be performed by authorized personnel.
Personnel
The operator of the system must ensure that only authorized and qualied
specialized personnel are permitted to work with and on the unit within
their dened scope of authority. "Authorized specialists“ are trained
technicians employed by the operator, by Evoqua Water Technologies,
or, if applicable, the service partner. Only qualied electricians may
perform work on electrical components.
Spare Parts/Components
Trouble-free operation of the system is only guaranteed if original spare
parts and components are used as described in this operating manual.
Failure to observe this instruction may incur the risk of malfunction or
damage to the system.
Modications and Extensions
Never attempt to perform any modications or conversions to the unit
without the written approval of the manufacturer.
W3T331759 / WT.050.585.003.UE.IM.10144
MICRO/2000® AND DEOX/2000® MODULE
Electrical Power
During normal operation, the control unit must remain closed. Before
starting any assembly, inspection, maintenance, or repair work, the
system must be switched OFF, and the isolator must be secured against
reactivation. Connect all cables in accordance with the wiring diagram.
Waste Disposal
Ensure safe and environmentally-friendly disposal of reagents and
replaced part
Warranty Conditions
The following must be observed for compliance with warranty conditions:
• Installation, commissioning by trained and authorized personnel.
• Intended use.
• Observation of the operational parameters and settings.
• The unit may only be operated by trained personnel.
• An operating log book must be kept.
• Only approved calibration chemicals may be used.
• The unit must not be exposed to ambient conditions outside those
specied.
• Maintenance work must be executed at recommended intervals.
• Use of original Evoqua Water Technologies spare parts.
If any of the above conditions are not met, the warranty could be void.
5W3T331759 / WT.050.585.003.UE.IM.1014
MICRO/2000® AND DEOX/2000® MODULE
SPECIFIC OPERATING PHASES
Normal Operation
Never employ procedures which could affect safety.
Only operate the unit when the housing is closed.
Inspect the unit at least once daily for externally visible damage and faults.
Inform the responsible person/authority immediately of any detected
changes (including any changes in the operating performance).
In the event of malfunctions, switch the unit off immediately. Have
malfunctions remedied immediately.
Installation and Maintenance Work
Always perform installation or maintenance work in accordance with
this operating manual.
Secure the unit against activation during installation and maintenance
work.
Always retighten released screw connections.
Never use corrosive cleaning agents. Use only a damp cloth to clean
the unit.
Ensure safe disposal of reagents and replaced parts in accordance with
environmental regulations.
W3T331759 / WT.050.585.003.UE.IM.10146
MICRO/2000® AND DEOX/2000® MODULE
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