Condair AX 02 User manual

Air humidification, dehumidification
and evaporative cooling
CONDAIR AX
Reverse osmosis system
INSTALLATION AND OPER-
ATING MANUAL
Condair AX reverse osmosis system
08/11/2023
20231108 EN 2311

Proprietary notice
This document and the information contained therein are the property of Condair GmbH. Neither this document
(including extracts thereof), nor the information contained herein shall be reproduced, used, or disclosed to others
without the manufacturer’s written authorisation. Non-compliance with this is punishable by law and will result in
compensation for damages.
Liability
Condair GmbH does not accept any liability due to incorrect installation or operation of the equipment or due to use
of parts/components/equipment that are not authorised by Condair AG.
Copyright notice
Copyright 2015, Condair GmbH, all rights reserved, subject to technical changes
Thank you for choosing Condair
Installation date (DD/MM/YYYY):
Commissioning date (DD/MM/YYYY):
Site:
Model:
Serial number:

3
Contents
1 General safety instructions 5
1.1 Explanations of symbols and instructions 5
1.2 Operator obligations 5
1.3 Personnel obligations 6
1.4 Training of personnel 6
1.5 Intended use 6
1.6 Hazards when handling the equipment 6
1.7 Protective devices and safety measures to avert hazards 7
1.7.1 Protective devices 7
1.7.2 Informational safety measures 7
1.8 Safety instructions for maintenance work 8
1.9 Disposal of system parts and operating materials 8
1.10 Unauthorisedmodicationandreplacementparts 8
1.11 Warranty and liability 8
1.12 Safety instructions for storage 9
2 Principles of reverse osmosis systems 10
2.1 Calculation equations 10
2.2 Temperature dependency of the permeate output 10
2.3 Conductivityofrstpermeate 11
3 Transport and storage 12
3.1 Transport to the customer 12
3.2 Storage at the customer’s premises 12
3.1 Transport to the installation site 12
4 Technical data / Product description 13
4.1 Technical data 13
4.2 Application limits 14
4.3 Product description 15
4.3.1 Layout 15
4.3.2 Function 16
5 Installation and assembly 17
5.1 Installation 17
5.1.1 Requirements of the installation site 17
5.1.2 Installation of the system 17
5.2 Water connections 18
5.2.1 Requiredqualicationofassemblypersonnel 18
5.2.2 Establishing the water connections 18
5.3 Electrical connection 19
5.3.1 Requiredqualicationofassemblypersonnel 19
5.3.2 Establishing the electrical connections 19
5.3.3 Connection of external signals from and messages to BMS 19
5.3.4 Cable list 19
5.3.5 Terminal connection table 20
Contents

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6 Commissioning and decommissioning 21
6.1 Commissioning 21
6.1.1 Qualicationofcommissioningpersonnel 21
6.1.2 Flushing out the preservative 21
6.1.3 Setting up automatic mode 21
6.1.4 Conguringpermeateoutputandyield 21
6.1.5 Conguringpermeateoutletpressure 22
6.2 Decommissioning 22
6.3 Possible water treatment layout 22
7 Control panel 23
7.1 Control and display elements 23
7.2 User menu 24
7.2.1 Structure and content 24
7.2.2 Entries/changes in the user menu 26
7.3 Scrolling display 27
7.3.1 Uninterrupted operating sequence 27
7.3.2 Interrupted operating sequence 28
7.4 Parameters 30
8 Fault elimination 32
8.1 General information 32
8.1.1 Fault reporting to the manufacturer 32
8.1.2 Fault indication and reset 32
8.2 Fault analysis and elimination 32
8.3 Flushing the concentrate 34
9 Inspection and maintenance 35
9.1 Inspection and maintenance work 35
9.1.1 Safety instructions 35
9.1.2 General information 35
9.2 Logging the operating parameters 36
9.2.1 List of parameters to be logged 36
9.2.2 Operations log for reverse osmosis systems 37
9.3 Maintenance 38
9.3.1 Maintenance plan for reverse osmosis systems 38
10. Appendix 39
10.1 Assembly layout (schematic) 39
10.2 P&I diagram 40
10.3 Dimensions of AX 02 41
10.4 Dimensions of AX 05, 12 and 20 42
10.5 Dimensions of AX 30 and 50 43
Contents

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1. General safety instructions
1.1 Explanations of symbols and instructions
This operating manual contains important information on the safe operation of the system.
This operating manual, in particular the chapter “Safety instructions” must be observed by all
persons working on the system. This applies to the installation company as well as to the system
operator. Moreover, the special rules and guidelines for accident prevention that apply to the
location of use must also be followed.
In this operating manual, the following symbols are used to indicate hazards for persons and to
ensure proper handling of the equipment:
1.2 Operator obligations
The operator undertakes to only allow persons to work on the system
 who are familiar with the fundamental regulations on occupational safety and accident pre-
vention and have been instructed in the handling of the system,
 who have read and understood the chapter on safety and the warnings in this operating
manual and who have acknowledged this with their signature and
 whose safe working practices are checked at regular intervals.
The manufacturer/supplier is not liable for any damage resulting from improper use.
DANGER!
This symbol indicates an imminent danger to the life and health of persons. Failure to observe
these instructions results in severe adverse health effects, including life threatening injuries.
WARNING!
This symbol indicates a possible imminent danger to the life and health of persons. Failure to
observe these instructions may result in severe adverse health effects, including life threaten-
ing injuries
CAUTION!
This symbol indicates a possible hazardous situation. Failure to observe these instructions
may result in minor injuries or damage to property.
NOTE
This symbol provides important information on how to handle the equipment correctly. Failure
to observe these instructions can lead to faults in the system or problems in the surrounding
environment.
General safety instructions

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1.3 Personnel obligations
All persons who are commissioned to work on the system or who carry out such work inde-
pendently undertake the following before commencing work:
 To read the chapter on safety and the warnings in this operating manual and to acknowl-
edge with their signature that they have understood them.
 To observe the fundamental regulations on occupational safety and accident prevention.
When operating the system, the safety instructions must be strictly observed.
1.4 Training of personnel
Only trained and instructed personnel must work on the system.
 The responsibilities of the personnel for assembly, commissioning, operation, set-up,
maintenance and repair must be clearly defined.
 Personnel to be trained must only work on the system under the supervision of an
experienced person.
1.5 Intended use
The system must only be used for the desalination of drinking water, well water or surface
water that is free of particles and metallic ions. The limitations stated in the technical data
regarding chemical analysis of the feed water, pressure, temperature and flow rate apply.
Intended use also includes
 compliance with all the instructions in the operating manual
 and adherence to the inspection and maintenance intervals.
Any other usage or usage beyond this is considered contrary to the intended purpose.
Non-intended use includes use as a
 lter
 pressure booster
 water distributor.
1.6 Hazards when handling the equipment
 The system has been designed and manufactured in accordance with the latest technology and
recognised safety regulations.
 The system must be set up in a way that the operating and control elements are easily accessi-
bleatalltimes.Theoor,ceilingandwallsmustbelevelandclean.
Nevertheless, its use may cause danger to the life or health of the user or third parties or damage
to the equipment or other property. The system may only be used for its intended purpose (see 1.5)
and in a perfectly safe condition.
The following residual hazards exist:
Water damage
 Topreventoodingduetoleakage,theinstallationsitemustbeequippedwithaoordrainand/
or a leakage monitor with corresponding alarm.
Electrocution
 Ensurethatworkontheelectricalsupplyisonlycarriedoutbyaqualiedelectrician.
General safety instructions

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 Check the electrical equipment of the installation regularly. Remove loose connections and
scorched cables immediately.
 The switch cabinet must be kept locked at all times. Access is only allowed to authorised person-
nel.
 Ifworkonlivepartsisrequired,asecondpersonmustbecalledinwhocanswitcho󰀨themain
switch if necessary.
 Do not touch electrical components with wet hands.
 Disconnect the system from the power supply before working on electrical system parts.
Mechanical/Hydraulic Energy
 Some parts of the system are under overpressure of up to 25 bar.
 De-pressurise the system before carrying out any repair or maintenance work!
Hygiene critical applications
 There is a risk of microbial contamination of system components if the system has not been ade-
quately preserved. The information on preservation must be observed.
 Faultsthatmaya󰀨ectsafetymustbeeliminatedimmediately.Thisisdonebytheoperatororacompa-
ny commissioned by the operator.
1.7 Protective devices and safety measures to avert hazards
1.7.1 Protective devices
 Beforeswitchingonthesystem,allprotectivedevicesmustbeproperlyttedandinworkingorder.
 Protectivedevicesmayonlyberemovedafterthemachinehasbeenswitchedo󰀨andsecured
against being switched on again.
 The required personal protective equipment for the operating personnel must be provided by the
operator and used by the operating personnel when working on the system.
 All protective devices in place must be checked regularly by the operator or a company commis-
sioned by the operator.
1.7.2 Informational safety measures
 The operating manual must be kept at the system’s place of use at all times.
 In addition to the operating manual, the generally applicable and local regulations for accident pre-
vention and environmental protection must be made available and observed.
 All safety and danger notices on the system as well as the labelling of the operating and control
elements must be kept in legible condition.
General safety instructions

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1.8 Safety instructions for maintenance work
 The operator must ensure that all maintenance, inspection, and assembly work is carried out
byauthorised,qualiedtechnicianswhohavesu󰀩cientlyinformedthemselvesbystudyingthe
operating manual in detail.
 Beforecarryingoutanyrepairormaintenancework,thesystemmustbeswitchedo󰀨and
secured against being accidentally put into operation. The procedures for shutting down the
system described in section “Commissioning and decommissioning” must always be observed.
 Before starting work on electrical equipment of the installation, the relevant section must be
checked to ensure that it is de-energised. In addition, the system must be secured against being
switched on again.
 Suitable protective clothing appropriate to the hazard must be worn during the work.
 Immediatelyaftercompletionofthework,allsafetyandprotectivedevicesmustberettedorput
into operation.
 Before recommissioning the machine, the points listed in the section “Commissioning and de-
commissioning” must be followed.
1.9 Disposal of system parts and operating materials
The system parts must be disposed of, if necessary separately, in accordance with local regulations.
1.10 Unauthorisedmodicationandreplacementparts
 Modicationoforchangestothesystemareonlypermittedafterconsultationwiththemanufac-
turer.
 Thesameappliestoanyprogrammodicationsmadetothecontroller.
 Original replacement parts and manufacturer-authorised accessories are important for your safe-
ty.
 If other parts are used, the warranty becomes null and void and no liability is accepted for the
resulting consequences.
1.11 Warranty and liability
This product complies with the latest technology and has been designed, manufactured and subse-
quently subjected to quality control in accordance with the applicable codes of practice.
Should there nevertheless be cause for complaint, any claims for compensation against the manu-
facturer of this product shall be governed by the manufacturer’s general terms and conditions of sale
and delivery.
Warranty and liability claims for personal injury and damage to property are excluded if they are
attributable to one or more of the following causes:
 Non-intended use of the system
 Improper installation, commissioning, operation or maintenance of the system
 Operatingtheequipmentwithdefectivesafetydevicesorimproperlyttedornon-functioning
safety and protective devices.
 Failure to observe the instructions in the operating manual with regard to transport, storage, as-
sembly, commissioning, operation (continuous keeping of the operations log!), and maintenance
of the system.
 Unauthorised, unapproved structural changes to the installation
 Unauthorisedmodicationofthecontrolparameters
 Inadequate monitoring of system components that are subject to wear and tear
 Repairs carried out improperly
Emergencies caused by external forces or acts of God.
General safety instructions

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1.12 Safety instructions for storage
CAUTION!
The reverse osmosis system is protected by a preservative against microbial contamination and
against risk of frost down to -10°C. At room temperature (< 25°C), this preservative must be purged
and replaced within 6 months at the latest.
At higher temperatures, the protection period is correspondingly shorter (3 months at 30°C). If the
system has been out of operation for more than 30 days (the maximum permissible period), more
preservative must be added to the system to prevent microbial contamination. In any case, the instal-
lation must be protected against direct sunlight during transport, storage and operation.
General safety instructions

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Feed water output = permeate output + concentrate output
Yield [%] = (permeate output [l/h])
(feed water output [l/h])
Concentrate output [l/h] = 100 * (permeate output [l/h])
(yield [%]) - permeate output [l/h]
Desalination rate [%] = 100 * [1- “permeate” conductivity
“Feed water” conductivity]
Salt passage [%] = 100 - desalination rate [%]
2. Principles of reverse osmosis systems
2.1 Calculation equations
The permeate output, the concentrate output and the permeate conductivity are determined by read-
ing the corresponding measuring equipment on the system. If no indicating instruments (e.g. variable
areaowmeter)arepresent,thepermeateoutputandtheconcentrateoutputaredeterminedby
manual volumetric measurement.
2.2 Temperature dependency of the permeate output
The permeate output of the system depends on the feed water temperature.
 Thenominaloutputindicatedonthenameplatereferstothedesigntemperatureof15°Cspeciedin
the technical data.
The actual output at a given feed water temperature must be calculated using a correction factor
from the following table.
The respective temperature-related permeate output is calculated according to the following calcula-
tion equation:
Permeate output [l/h] at temperature T [°C] = nominal output * correction factor
Principles of reverse osmosis systems