Condair DL Series Operation User manual

2589846-F EN 1901

Humidication and Evaporative Cooling

READ AND SAVE THESE INSTRUCTIONS

OPERATION MANUAL

Adiabatic air humidification system

Condair DL

Thank you for choosing Condair

Installation date (MM/DD/YYYY):

Commissioning date (MM/DD/YYYY):

Site:

Model:

Serial number:

Contact

Condair Ltd.

2740 Fenton Road, Ottawa, Ontario K1T3T7

TEL: 1.866.667.8321, FAX: 613.822.7964

EMAIL: na.info@condair.com, WEBSITE: www.condair.com

Proprietary Notice

This document and the information disclosed herein are proprietary data of Condair Ltd. Neither this document, nor

the information contained herein shall be reproduced, used, or disclosed to others without the written authorization

of Condair Ltd., except to the extent required for installation or maintenance of recipient's equipment.

Liability Notice

Condair Ltd. does not accept any liability due to incorrect installation or operation of the equipment or due to the

use of parts/components/equipment that are not authorized by Condair Ltd.

Copyright Notice

Technical modications reserved

3Contents

Contents

1 Introduction 5

1.1 General 5

1.2 Notes on the operation manual 5

2 For your safety 7

3 Product Overview 9

3.1 Models overview 9

3.2 Product designation / Which model do you have 9

3.3 Basic design the adiabatic air humidication system Condair DL 10

3.4 Functional description 11

3.5 Hydraulic diagram 13

3.6 System overview Condair DL 14

3.7 Overview humidication unit Condair DL 15

3.8 Overview control unit Condair DL 16

3.9 Overview central unit Condair DL 17

4 Operation 18

4.1 First-time commissioning 18

4.2 Display and operating elements 19

4.3 Recommissioning after interruption of operation 20

4.4 Notes on operation 21

4.4.1 Important notes on operation 21

4.4.2 Remote operating and fault indication 21

4.4.3 Inspections during operation 21

4.4.4 Flushing of the internal water system 22

4.4.5 Performing a pressure release of the water system 23

4.5 Decommissioning the system 24

5 Operating the Condair DL control software 25

5.1 Standard operating display 25

5.1.1 Operating status indication 26

5.1.2 Maintenance and malfunction indications 26

5.2 Navigating/Operating the Condair DL control software 27

5.3 Information functions 28

5.3.1 Accessing support information 28

5.3.2 Accessing system information 28

5.4 Conguration 33

5.4.1 Accessing the "Conguration" submenu 33

5.4.2 Activating/deactivating and conguration of unit functions – "Features" submenu 33

5.4.3 Humidity control Settings – "Control Settings" submenu 34

5.4.4 Basic settings – "General" submenu 36

5.4.5 Communication settings – "Communication" submenu 37

4 Contents

5.5 Maintenance functions 40

5.5.1 Accessing the "Service" submenu 40

5.5.2 Performing maintenance functions – "Service" submenu 40

5.5.2.1 Input diagnostic functions – "Input Diagnostics" submenu 42

5.5.2.2 Relay diagnostic functions – "Relay Diagnostics" submenu 44

5.6 Administration settings 45

5.6.1 Accessing "Administrator" submenu 45

5.6.2 Switching on/off password protection and software updates function -

submenu "Administrator" 45

6 Maintenance and Replacement of components 47

6.1 Important notes on maintenance 47

6.2 Hygiene and Maintenance according to VDI 6022 Page 1 48

6.2.1 Periodical checking 48

6.2.2 Total system service 49

6.3 Notes on cleaning and cleaning agents 51

6.4 Removal and installation of components 52

6.4.1 Removal and installation of the ceramic plates 52

6.4.2 Removal and installation of the spray nozzles 54

6.4.3 Removal and installation of the nozzle support 55

6.5 Replacement of the silver ionization cartridge "Hygieneplus" 56

6.6 Replacement of the optional sterile lter and de-aeration of the lter housing 57

6.7 Resetting the maintenance counter 58

6.8 Performing software updates 59

7 Fault elimination 60

7.1 Important notes on fault elimination 60

7.2 Fault indication 61

7.3 Malfunction list 62

7.4 Malfunctions without indication 68

7.5 Saving fault and service histories to a USB memory stick 69

7.6 Resetting the fault indication 69

7.7 Replacing the fuses and backup battery in the control unit 70

8 Taking out of service/Disposal 71

8.1 Taking out of service 71

8.2 Disposal/Recycling 71

9 Productspecication 72

9.1 Technical data 72

9.2 Options 74

10 Appendix 75

10.1 CE declaration of conformity 75

10.2 Wiring diagram Condair DL 76

10.3 Wiring plan Condair DL 77

5Introduction

1 Introduction

1.1 General

We thank you for having purchased the adiabaticairhumidicationsystemCondair DL.

The adiabatic air humidication system Condair DL incorporates the latest technical ad van ces and meets

all recognized safety standards. Nevertheless, improper use of the adiabatic air humidication system

Condair DL may result in danger to the user or third parties and/or impairment of material assets.

To ensure a safe, proper, and economical operation of the adiabatic air humidication system Condair

DL, please observe and comply with all information and safety instructions contained in the present

documentation as well as in the separate documentations of the components installed in the humidi-

cation system.

If you have questions after reading this documentation, please contact your Condair representative.

They will be glad to assist you.

1.2 Notes on the operation manual

Limitation

ThesubjectofthisoperationmanualistheadiabaticairhumidicationsystemCondair DL. The

various options and accessories are only described insofar as this is necessary for proper operation of the

equipment. Further information on options and accessories can be obtained in the respective instructions.

This operation manual is restricted to the commissioning, operation, maintenance and troubleshoot-

ing of the adiabatic humidication system Condair DL and is meant for well trained personnel being

sufcientlyqualiedfortheirrespectivework.

This operation manual is supplemented by various separate items of documentation (operation manual,

spare parts list, etc.), which are included in the delivery as well. Where necessary, appropriate cross-

references are made to these publications in the operation manual.

6 Introduction

Symbols used in this manual

CAUTION!

The catchword "CAUTION" used in conjunction with the caution symbol in the circle designates notes

in this operation manual that, if neglected, may cause damage and/or malfunction of the unit or

other material assets.

WARNING!

The catchword "WARNING" used in conjunction with the general caution symbol designates safety

and danger notes in this operation manual that, if neglected, may cause to injury to persons.

DANGER!

The catchword "DANGER" used in conjunction with the general caution symbol designates safety and

danger notes in this operation manual that, if neglected, may lead to severe injury or even death

of persons.

Safekeeping

Please safeguard this operation manual in a safe place, where they can be immediately accessed. If the

equipment changes hands, the documentation must be passed on to the new operator.

If the documentation gets mislaid, please contact your Condair representative.

Language versions

This operation manual is available in various languages. Please contact your Condair representative

for information.

7For your safety

2 For your safety

General

Every person working with the adiabatic air humidication system Condair DL must have read and under-

stood the installation manual and the operation manual of the Condair DL before carrying out any work.

Knowing and understanding the contents of the installation manual and the operation manual is a basic

requirement for protecting the personnel against any kind of danger, to prevent faulty operation, and to

operate the unit safely and correctly.

All ideograms, signs and markings applied to the components of the adiabatic humidication system

Condair DL must be observed and kept in readable state.

Qualicationofpersonnel

All work described in this operation manual may only be carried out by specialist who are well trained

andadequatelyqualiedandareauthorizedbythecustomer.

For safety and warranty reasons any action beyond the scope of this manual must be carried out only

by qualied personnel authorized by the manufacturer.

It is assumed that all persons working with the adiabatic humidication system Condair DL are familiar

and comply with the appropriate regulations on work safety and the prevention of accidents.

The adiabatic humidication system Condair DL may not be used by persons (including children) with

reduced physical, sensory or mental abilities or persons with lacking experience and/or knowledge, un-

less they are supervised by a person responsible for their safety or they received instructions on how

to operate the system.

Children must be supervised to make sure that they do not play with the adiabatic humidication system

Condair DL.

Intended use

The adiabatic humidication system Condair DL is intended exclusively for

airhumidicationinAHU's

or air ducts within the specied operating conditions (see chapter 9.1). Any other type of application,

without the written consent of the manufacturer, is considered as not conforming with the intended pur-

pose and may lead to the adiabatic humidication system Condair DL becoming dangerous.

Operation of the equipment in the intended manner requires that all the information contained in this

operation manual are observed (in particular the safety instructions).

8 For your safety

DangerthatmayarisefromtheadiabatichumidicationsystemCondair DL

DANGER!

Risk of electric shock!

The control unit of the Condair DL and the pump inside the central unit (if applicable) are mains

powered. Live parts may be exposed when the control unit and/or the central unit is/are open.

Touching live parts may cause severe injury or danger to life.

Prevention: Before carrying out any work on the components of the Condair DL take the system out

of operation as described in chapter 4.5 and secure the system against inadvertent power-up.

Important:thefrequencyconverterinthecontrolunitofTypeAsystemswithboosterpump

contains condensers, which under certain circumstances may remain loaded with a potentially

deadly voltage for a certain amount of time, after the control unit has been separated from the

mains.Ifworkhastobecarriedoutonthefrequencyconverterand/ortheboosterpumpwait

at least 10 minutes after the control unit has been separated from the mains and make sure

theappropriatecontactsonthefrequencyconverterandtheterminalsontheboosterpump

are free of voltage before starting any work on these components.

DANGER!

Healthriskbecauseofinadequatehygiene!

Inadequatelyoperatedand/orpoorlymaintainedadiabatichumidicationsystemsmayendanger

thehealth.Wheninadequatelyoperatedand/orpoorlymaintainedmicro-organisms(including

the bacterium which causes Legionnaire’s disease) may grow in the water system and in the

areaofthehumidicationunitandmayaffecttheairintheAHU/airduct.

Prevention: the adiabatic humidication system Condair DL must strictly be operated and maintained

in accordance with this manual.

Preventing unsafe operation

If it is suspected that safe operation is no longer possible, then the adiabatic air humidication system

Condair DL should immediately be shut down and secured against accidental power-up according

to chapter 4.5. This can be the case under the following circumstances:

– if components of the adiabatic air humidication system Condair DL are not correctly positioned,

locked or sealed

– if the adiabatic air humidication system Condair DL is damaged

– if the adiabatic air humidication system Condair DL is no longer operating correctly

– if connections and/or piping are not sealed

– if the electrical installations are damaged

All persons working with the adiabatic air humidication system Condair DL must report any alterations

to the system that may affect safety to the owner without delay.

Prohibitedmodicationstotheunit

Nomodicationsmustbeundertaken on the adiabatic air humidication system Condair DL without

the express written consent of the manufacturer.

For the replacement of defective components use exclusively original accessories and spare parts

available from your Condair representative.

9Product Overview

3 Product Overview

3.1 Models overview

The adiabatic air humidication system Condair DL is available in two base models (Type A: with booster

pump, Type B: without booster pump) for different duct/AHU sizes.

Condair DL .

Type A

(with booster pump)

Type B

(without booster pump)

Duct inside width "W" [Inch (mm)] 17.72" ... 330.71" (450 ... 8400) **

Duct inside height "H" [Inch (mm)] 17.72" ... 157.48" (450 ... 4000)

Humidication capacity [lbs/hr (l/h)] 11.02 ... 2,204.62 (5 ...1000) ** 11.02 ... 2,204.62 (5 ...1000) **

** Larger systems on request

Both base models can be extended with different options in their functionality. Furthermore, there are

different accessories available.

3.2 Product designation / Which model do you have

The product designation and the most important unit data are found on the rating plates xed on the

right side of the control unit and the central unit. Please refer to the Condair DL installation manual for

detailed information regarding the type plate and the product key.

10 Product Overview

3.3 BasicdesigntheadiabaticairhumidicationsystemCondair DL

1 Control unit

2 Driver board

3 Control board with touch screen

4 Frequency converter for booster pump (Type A)

5

Switch <Control unit On/Off>

6

Mains supply via electrical isolator (by others)

7

Voltage supply booster pump motor

8

Cable harnesses sensors and valves

9

Option sterile lter with pressure switch PS2 (Type A) or

without pressure switch PS2 (Type B)

10

Booster pump (Type A)

11

Inlet valve Y1

12

Pressure sensor inlet pressure PS4

13

Silver ionization A3

14

Conductivity sensor Lf1

15

Air cleaning (option)

16

Pressure sensor nozzle pressure PS5 (on systems

Type B without optional sterile lter not present)

17

Central unit

18

Shut-off valve RO water supply (by others)

19

External water lter 5µm (recommended, option or by others)

20 External pipe ush (option)

21 External disinfection pump with tank (optional, by others)

22 Drain valve water supply pipe (by others)

23 Test valve, ame treatable (by others)

24 Funnel with trap (by others)

25 Shut-off valve pressured air supply (by others)

26

Valve manifold with spray nozzles Y5-Y9 and drain valve Y10

27

Water jet pump (spray circuits drain)

28

Drain with trap (by others)

29

Water tub or oor drain with trap (by others)

30

Duct/AHU drains with trap (by others)

31

Air lter min. MERV13 (by others)

32

Spray nozzles

33

Post-evaporation elements (porous ceramics)

34

Humidity sensor (by others)

35

Temperature- and humidity sensor (by others)

36

External continuous controller (by others, e.g. Enthalpy

controller)

37

Air duct/AHU

Fig. 1: Basic design the adiabatic air humidication system Condair DL

Y1

Y4

Lf1

A3

PS4

U1

PS5

M1

Y10

(NO)

Y9 Y8 Y7 Y6 Y5

2

1

3

4

6

7

8

32

37

17

11

12

14

13

18

26

27

29

10

9

16

28

24 24

PS2

36

35

34

19

23

25

22

31

5

20 21

3030

33

Y3

15

11Product Overview

3.4 Functional description

From the reverse-osmosis system (RO system) the fully demineralized water (also called RO water or

permeate) is fed via a shut-off valve (18, by others) and a external water lter 5µm (19, recommended,

option or by others) to the central unit (17).

In the central unit the RO water is fed via the inlet valve Y1 (11), the conductivity measurement Lf1

(14), and the silver ionization (13) which sterilizes the water and the optional sterile lter (9) to the valve

manifold (26) with the spray valves and the drain valve Y10.

On systems type A the central unit is equipped with a booster pump (10) (controlled via the frequency

converter) which increases the water pressure to the required operating pressure of approximately 7 bars

(yield load) starting from a certain humidity demand.

When a humidity demand is present the spray valves open depending on the demand:

– one or two spray valves (with 2 spray circuits: Y5-Y6),

– one, two or all three spray valves (with 3 spray circuits: Y5-Y7),

– one, two or all four spray valves (with 3 spray circuits with double stage: Y5-Y7+Y9) or

– one, two, three or all four spray valves (with 4 spray circuits: Y5-Y8) or

– one, two, three or all ve spray valves (with 4 spray circuits with double stage: Y5-Y8+Y9) or

– one, two, three, four or all ve spray valves (with 5 spray circuits: Y5-Y9).

– one, two, three, four or all six spray valves (with 5 spray circuits with double stage: Y5-Y9 + Y9.1).

The fully demineralized water is now fed to the respective spray nozzles (32) producing ne drops.

The air passing by the nozzles absorbs the drop thus getting humidied. Drops not absorbed by the

air is retained in the post-evaporation elements (33) thus humidifying the air passing through the post-

evaporation elements. Excess water ows down to the bottom of the post-evaporation unit and is led

via the trap (30) and open funnel to the waste water line of the building.

Control

The system is controlled by an external controller (enthalpy controller recommended) or by the P/PI

controller built into the control unit.

On systems:

– with 2 spray circuits a 3-step control is provided,

– with 3 spray circuits (with or without double stage) a 7-step control is provided,

– with 4 spray circuits (with or without double stage) a 15-step control is provided,

– with 5 spray circuits (with or without double stage) a 31-step control is provided

On systems type A the booster pump is switched on at a demand of approx. 60-70 % (switching point

is dependent on the inlet pressure), and then the capacity is controlled continuously up to 100% via the

pump speed.

12 Product Overview

Monitoring

The inlet pressure and the nozzle pressure are monitored with the analogue pressure sensors "PS4" and

"PS5". On systems type B without booster pump and without optional sterile lter the nozzle pressure

is equal to the inlet pressure, thus the pressure sensor "PS5" is not present.

The pressure after the optional sterile lter is monitored with the pressure switch "PS2" on systems type

A (with booster), and on systems type B (without booster pump) with the pressure sensor "PS5" since

the pressure after the sterile lter is equal to the nozzle pressure.

The conductivity of the fully demineralized water is continuously monitored. If the conductivity of the

fully demineralized water exceeds the admissible range (max. 15 µS/cm), the drain valve Y10 on the

valve manifold (26) opens and the water system is ushed until the conductivity meets the preset value.

A fault message is displayed or the system is stopped if the conductivity value does not reach the admis-

sible range within a certain period (conductivity >100 µS/cm).

Hygiene function/Flushing

In order to prevent standing water, each spray circuit which is not active is emptied via the corresponding

spray valve (the spray valves are connected to the drain in currentless status).

If the conductivity in the pipe exceeds a preset value or if the humidication system has been without

demand for more than 23 hours, the drain valve Y10 opens and the water supply line and the water

lines in the central unit are ushed for a certain time with fresh RO water. During the ushing additionally

residual water in the spray circuits is sucked out via the built in water jet pump (27) and is led via the

open funnel with trap (28) to the waste water line of the building.

13Product Overview

3.5 Hydraulic diagram

3 spray circuits: Y5, Y6 and Y7 (7-steps)

3 spray circuits double stage: Y5, Y6, Y7 and Y9 (7-steps)

4 spray circuits: Y5, Y6, Y7 and Y8 (15-steps)

4 spray circuits with double stage: Y5, Y6, Y7, Y8 and Y9 (15-steps)

Fig. 2: Hydraulic diagram humidication system Condair DL (Figure shows 15 steps control)

Y1

Lf1

A3

PS4

Y10 (NO)

Y9 Y8 Y7 Y6 Y5

M1

PS2

1 2

3

1

2

3

4

PS5

Y3

(NC)

4

Option

External

pipe ush

Disinfection pump

with tank and

level sensor

(optional, by others)

Inlet valve

Conductivity

sensor

Ag Ionization

Central unit

Pressure sensor

inlet pressure

Pressure switch

Option sterile lter

Booster pump

with frequency converter

(Type A)

Pressure sensor

nozzle pressure

Option air cleaning

(compressed air

14.5-87.0 psi (1-6 bar)

Type A without optional sterile lter

Type A with optional sterile lter

Type B with optional sterile lter

Type B without optional sterile lter

Y8 and Y9

double stage

Y7 and Y9

double stage

Air duct

Flow restrictor

(up to 463 lbs/hr

(210 kg/h))

Valve manifold (spray valves Y5-Y9, drain valve Y10)

Water jet pump

Drain

14 Product Overview

3.6 System overview Condair DL

1 Electrical isolator mains supply (by others)

2 Control unit

3 Central unit

4 Valve air cleaning (option)

5 Valve external pipe ush (option) - plug-in coupling ø12

mm or 1/2" male thread adapter (supplied)

6 Manometer (recommended, by others)

7 External water lter 5µm (recommended, option or by others)

8 Shut-off valve water supply (mandatory, by others)

9 Drain valve water supply line

10 Test valve, ame treatable (recommended, by others)

11 Open funnel with trap (by others)

12 Water drain connector - plug-in coupling ø10 mm

or 1/2" male thread adapter (supplied)

13 Water supply connector - plug-in coupling ø12 mm

or 1/2" male thread adapter (supplied)

14 Wall feed throughs spray circuits (ø8/10 mm)

15 Grid with nozzles

16 Post-evaporation unit

17 Humidity controller (e.g. enthalpy controller) or

humidity sensor (by others)

Fig. 3: System overview Condair DL

16

17

14

15

3

4

2

1

12

13

11

5

6

7

8

9

10

min. 3 m

15Product Overview

3.7 OverviewhumidicationunitCondair DL

1 Support frame Nozzle unit

2 Spray nozzles

3 Lateral sealing plates

4 Upper sealing plates

5 Support frame post-evaporation unit

6 Ceramic plates

7 Rubber sealing duct oor

8 Wall feed throughs spray circuits

Fig. 4: Overview Humidication unit Condair DL

5

43

2

1

7

6

8

3

16 Product Overview

3.8 Overview control unit Condair DL

1 Frequency converter

2 Leak monitoring (option)

3 Remote operating and fault indication board

4 Driver board

5 Ag-Ionization board

6 Conductivity monitoring board

7 BMS Gateway board (option LonWorks,

BTL certied BACnet IP or BACnet MSTP)

8 Memory card

9 Back-up battery (CR 2032, 3V)

10 RJ45 connector (ethernet interface)

11 USB connector

12 Switch <Control unit On/Off> (operable from the outside)

13 Terminals mains voltage supply

14 Snap ferrite mains voltage supply

Fig. 5: Overview control unit Condair DL (without internal cabling)

6

11

10

8

7

9

13

14

5

4

3

1

2

12

17Product Overview

3.9 Overview central unit Condair DL

1 Water drain connector - plug-in coupling ø10 mm

or 1/2" male thread adapter (supplied)

2 Inlet valve

3 Water supply connector - plug-in coupling ø12 mm

or 1/2" male thread adapter (supplied)

4 Connector spray circuit 1 (Y5)

5 Connector spray circuit 2 (Y6)

6 Connector spray circuit 3 (Y7+Y9)

7 Connector spray circuit 4 (Y8+Y9)

8 Silver ionization cartridge

9 Booster pump (Type A only)

10 Sterile lter (option)

11 Pressure switch PS2 (Type A with sterile lter only)

12 Check valve (Type A only)

13 Drain valve Y10

14 Pressure sensor PS5

15 Spray valve Y5

16 Spray valve Y6

17 Spray valve Y7

18 Spray valve Y8

19 Water jet pump

20 Pressure sensor PS4

21 Manometer inlet pressure

Fig. 6: Overview central unit Condair DL

9

10

11

12

13

17

18

15

16

14

19

20

21

7

6

5

4

3

2

1

8

18 Operation

4 Operation

The adiabatic air humidication system Condair DL may be commissioned and operated only by persons

familiar with the adiabatic air humidication system Condair DL and adequately qualied. It is the owner’s

responsibility to verify proper qualication of the personnel.

4.1 First-time commissioning

The rst-time commissioning must always be done by a Condair representative or factory trained ser-

vice technician. Therefore the current manual does not provide de tail ed infor ma tion on this procedure.

The following steps are carried out upon rst-time commissioning in the specied order:

• Inspecting the humidication unit, the control unit and the central unit for correct installation.

• Inspecting the electrical installation

• Inspecting the water installation

• Flushing the water supply line and testing the water quality.

• Checking direction of rotation of the booster pump and adjusting the relief valve of the booster pump.

• Checking whether the spray circuits are connected to the corresponding nozzles and that all nozzles

are spraying correctly.

• Conguring the control unit or the humidication system Condair DL, respectively.

• Carrying out test runs.

• Fill in the commissioning protocol

Note: a master of the commissioning protocol is included in the delivery or can be ordered from your

Condair representative.

19Operation

4.2 Display and operating elements

Touch screen

Status LED

– green: Condair DL is humidifying

– green pulsing: No demand or humidication is

switched off

– orange: Warning present or maintenance due

– red: Fault present

Electrical isolator (by others)

Note: the electrical isolator (by others) must manda-

tory be installed in the mains supply line within 39.37"

(1 m) to the control unit!

Switch <Control unit On/Off> (located on the right

side of the control unit)

Note: with this switch you can switch on and off the

control unit. If the control unit is switched off all func-

tions (including hygiene functions) of the adiabatic

air humidication system DL are deactivated (see

DANGER note blow).

Fig. 7: Display and operating elements Condair DL

DANGER!

Risk of electric shock!

There is still mains voltage inside the control unit even when you switch off the <Control unit On/

Off> switch. Therefore, the electrical isolator must be switched off before open the control unit.

Humidier

20 Operation

4.3 Recommissioning after interruption of operation

The following description outlines the recommissioning procedure after an interruption of the operation

(e.g. after servicing the system). It is assumed that rst-time commissioning has been carried out properly

by the service technician of your Condair representative. Proceed as follows to prepare the adiabatic air

humidication system Condair DL for operation:

1. Examine the system components and installations for possible damage.

DANGER!

Damaged systems or systems with damaged components or installations may present danger to

human life or cause severe damage to material assets.

Damaged systems and/or systems with damaged or faulty installations must not be operated.

2. Make sure the ceramic plates are correctly located and properly sealed.

WARNING!

An unsealed post-evaporation unit may lead to severe damage of material assets.

Put the system into operation only if the ceramic plates are correctly positioned and the

post-evaporation unit correctly sealed.

3. Switch on the electrical isolator in the mains supply line (mains supply to control unit).

4. If closed, open shut-off valve in the water supply line.

5. Switch <Control unit On/Off> on the control unit to "On", and activate control unit via the external

enable switch if necessary.

6. If the adiabatic air humidication system Condair DL has been disconnected from the mains for more

than 48 hours the message "Out of Commissioning" appears. If this is the case proceed as follows:

• Switch off control unit via the <Control unit On/Off> switch.

• Close shut-off valve in the water supply line.

• Disconnect the water supply line from the connector on the central unit.

• Lead the open end of the water supply line into open funnel of the waste water line of the building.

• Open the shut-off valve in the water supply line and ush the supply line for at least 5 minutes.

Close shut-off valve in the water supply line again. Reconnect the water supply line to the con-

nector on the central unit, and open the shut-off valve.

• Switch on control unit via the <Control unit On/Off> switch.

Note: After switching on the control unit the "Out of Commissioning" message appears again. Reset

the message with the "Commissioning Reset" function in the service submenu (see chapter 5.5.2).

Whether or not you reset the message the Condair DL is automatically switched to normal operating

mode after 5 minutes.

7. If the sterile lter has been replaced, deaerate the sterile lter as described in chapter 6.6.

The adiabatic air humidication system Condair DL is now in normal operating mode and the standard

operating display is shown in the display.

Note: Further information on the operation of the Condair DL control software can be found in chapter 5.

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Condair DL Series Operation User manual

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