Nordmann AT4 Series Bedienungsanleitung

OPERATING INSTRUCTIONS
NORDMANN
ENGINEERING
NORDMANN
ENGINEERING
Dampfluftbefeuchter econoVap
Steam air humidier
Nordmann AT4
2559416 EN 1110


3
1 Introduction 4
1.1 To the very beginning 4
1.2 Notes on the operating instructions 4
2 For your safety 6
3 Product Overview 8
3.1 Models overview 8
3.2 Identicationoftheunit 9
3.3 Steamhumidierconstruction 10
3.4 Functional description 11
3.5 Humidicationsystemoverview 13
4 Operation 17
4.1 Commissioning 17
4.2 Notes on operation 18
4.2.1 Functionofthedisplayandoperatingelements 18
4.2.2 Remoteoperatingandfaultindication 19
4.2.3 Notes on the operation at ambient
temperatures≤0°C 19
4.2.4 Inspections during operation 19
4.3 Carrying out manual draining 20
4.4 Takingtheunitoutofoperation 20
5 Working with the unit control 21
5.1 Factory settings 21
5.2 Operating the control unit and menu overview 22
5.3 Interrogationoftheoperatinginformationin
the indication level 23
5.4 Unit settings 24
5.4.1 Launching the unit settings menu 24
5.4.2 Selecting the dialogue language 24
5.4.3 Control settings 24
5.4.3.1 Selecting the signal source 25
5.4.3.2 Selecting the regulation mode 25
5.4.3.3 Selecting the control signal 25
5.4.3.4 Conguringhumiditysetpoint 26
5.4.3.6 Settingtheproportionalrangefortheinternal
P/PI controller 27
5.4.3.7 SettingtheintegraltimefortheinternalPIcontroller 27
5.4.3.8 Activating/Deactivating the supply air limitation 27
5.4.3.9 Selecting the supply air limitation signal 28
5.4.3.10 Settingthelowerlimitvalueforthe
supply air limitation 28
5.4.3.11 Settingtheupperlimitvalueforthe
supply air limitation 28
5.4.4 Selecting the cylinder type 29
5.4.5 ConguringtheSCsystem 29
5.4.5.1 Activating/deactivating the SC system 29
5.4.5.2 SettingtheoperationtimeoftheSC-Pump 30
5.4.6 Conguringthecapacitylimitation 30
5.4.7 ConguringtheOn/Offtimer 32
5.4.8 Water management settings 33
5.4.8.1 Selectingtheconductivityrangeofthesupplywater 33
5.4.8.2 Settingthedrainfactor 33
5.4.8.3 Settingtheoperatingmodeforstandbyoperation 34
5.4.8.4 Activating/Deactivatingtheforceddraining 36
5.4.8.5 Settingthetimeofoperationafterwhicha
forceddrainingtakesplace 37
5.4.9 Setting the date 37
5.4.10 Setting the time 37
5.4.11 Setting the display contrast 37
5.5 Modbus settings 38
5.5.1 SettingsforModbusnetworks 38
5.5.2 Settingsforthecommunicationwiththe
optional remote terminal 39
Contents
5.6 Diagnosticfunctions 40
5.6.1 Interrogationoftheerrorhistory 40
5.6.2 Interrogationofunitinformation 41
5.6.3 Performingremoterelaytests 42
5.6.4 PerformingModuletests 42
5.7 Working with the remote terminal 43
5.7.1 Menu overview remote terminal 43
5.7.2 Remote terminal settings 44
5.7.2.1 Selecting the dialogue language 44
5.7.2.2 Settingthenumberofhumidiersconnected
to the remote terminal 44
5.7.2.3 Interrogationoftheerrorhistoryofthe
remote terminal 44
5.7.2.4 Resettingtheerrorhistorylistofthe
remote terminal 45
5.7.2.5 Setting the baudrate 45
5.7.2.6 Setting the display contrast 45
6 Maintenance 46
6.1 Important notes on maintenance 46
6.2 Maintenance list 47
6.3 Removingandinstallingpartsformaintenance 48
6.3.1 Removalandinstallationofthesteamcylinder 48
6.3.2 Removalandinstallationofthedraincup 51
6.3.3 Removalandinstallationofthewatercup
and the water hoses 52
6.3.4 Removalandinstallationofthedrainpump 53
6.3.5 Removalandinstallationoftheinletvalve 54
6.3.6 Removalandinstallationofthecylinderreceptacle 55
6.4 Notes on cleaning the unit components 56
6.5 Notes on cleaning agents 58
6.6 Resetting the maintenance indication 58
7 Fault elimination 59
7.1 Fault indication 59
7.2 Malfunctionlists 60
7.2.1 Systemfaults 60
7.2.2 Unitfaults 61
7.3 Resetting the error indication (red LED lights) 63
7.4 Notesonfaultelimination 63
7.5 Replacing the backup battery on the control board 64
8 Taking out of service/Disposal 65
8.1 Takingoutofservice 65
8.2 Disposal/Recycling 65
9 Productspecications 66
9.1 Technical data 66
9.2 Wiring diagram Nordmann AT4 67
9.2.1 Wiring diagram Nordmann AT4 single units 67
9.2.2 Wiring diagram Nordmann AT4 double units 68

4
1 Introduction
1.1 To the very beginning
We thank you for having purchased the steam humidier Nordmann AT4.
The steam humidier Nordmann AT4 incorporates the latest technical ad
van ces and meets all recognized safety standards. Nevertheless, improper
use of the Nordmann AT4 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 steam humidier
Nordmann AT4, please observe and comply with all information and safety
instructions contained in the present operating instructions.
If you have questions, which are not or insufciently answered in this
documentation, please contact your Nordmann supplier. They will be glad
to assist you.
1.2 Notes on the operating instructions
Limitation
The subject of these operating instructions is the steam humidier
Nordmann AT4. The various accessories are only described insofar as this
is necessary for proper operation of the equipment. Further information on
accessories can be obtained in the respective instructions.
These operating instructions are restricted to the commissioning, opera-
tion, servicing and trouble shooting of the steam humidier Nordmann
AT4 and is meant for well trained personnel being sufciently qualied
for their respective work.
These operating instructions are supplemented by various separate items
of documentation (installation instructions, spare parts list, manuals for ac
cessories, etc.). Where necessary, appropriate crossreferences are made
to these publications in the present documentation.

5
Explanation of the symbols used in this manual
CAUTION!
The catchword “CAUTION” designates notes in this documentation 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 documentation 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 documentation that, if
neglected, may lead to severe injury or even death of persons.
Safekeeping
Please safeguard these operating instructions in a safe place, where it can
be immediately accessed. If the equipment changes hands, the documenta
tion should be passed on to the new operator.
If the documentation gets mislaid, please contact your Nordmann sup
plier.
Language versions
The present operating instructions are available in various languages. Please
contact your Nordmann supplier for information.
Copyright protection
The present operating instructions are protected under the Copyright Act.
Passingon and reproduction of the manual (or part thereof) as well as ex
ploitation and communication of the contents are prohibited without written
permission by the manufacturer. Violation of copyright terms is subject to
legal prosecution and arises liability for indemnication.
The manufacturer reserves the right to fully exploit commercial patent
rights.

6
2 For your safety
General
Every person working with the Nordmann AT4 must have read and under
stood the present operating instructions before carrying out any work.
Knowing and understanding the contents of the operating instructions 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 unit must be observed
and kept in readable state.
Qualication of personnel
All actions described in the present operating instructions (operation, main
tenance, etc.) must be carried out only by well trained and sufciently
qualied personnel authorised by the owner.
For safety and warranty reasons any action beyond the scope of this
manuals must be carried out only by qualied personnel authorised by the
manufacturer.
It is assumed that all persons working with the Nordmann AT4 are familiar
and comply with the appropriate regulations on work safety and the preven
tion of accidents.
Intended use
The steam humidier Nordmann AT4 is intended exclusively for air humidi-
cation via a steam distributor or a fan unit approved by the manufac-
turer within the specied operating conditions (see chapter 9 “Product
specications”). Any other type of application without the express written
consent of the manufacturer is considered as not conforming with the intended
purpose and may lead to the Nordmann AT4 becoming dangerous.
Operation of the equipment in the intended manner requires that all the
information in these instructions is observed (in particular the safety
instructions).

7
Danger that may arise from the unit
DANGER! Danger of electric hazard!
One may get in touch with live parts when the unit is open. Touching
live parts may cause severe injury or danger to life.
Prevention: Before carrying out any work set the Nordmann AT4 out of
operation as described in chapter 4.4 (switch off the unit, disconnect it
from the mains and stop the water supply) and secure the unit against
inadvertent powerup.
WARNING! Danger of burning!
The Nordmann AT4 produces steam. When producing steam, the
steam cylinder inside the humidier gets very hot (up to 100 °C). If
the unit is opened immediately after having produced steam there
is danger of burning when touching the steam cylinder.
Prevention: Before carrying out any work set the Nordmann AT4 out of
operation as described in chapter 4.4, then wait until the steam cylinder
has cooled down sufciently thus preventing danger of burning.
Behaviour in case of danger
If it is suspected that safe operation is no longer possible, then the
Nordmann AT4 should immediately be shut down and secured against
accidental power-up according to chapter 4.4. This can be the case
under the following circumstances:
– if the Nordmann AT4 is damaged
– if the electrical installations are damaged
– if the Nordmann AT4 is no longer operating correctly
– if connections and/or piping are not sealed
All persons working with the Nordmann AT4 must report any alterations to
the unit that may affect safety to the owner without delay.
Prohibited modications to the unit
No modications must be undertaken on the Nordmann AT4 without the
express written consent of the manufacturer.
For the replacement of defective components use exclusively original ac-
cessories and spare parts available from your Nordmann supplier.

8
3 Product Overview
3.1 Models overview
Steam air humidiers Nordmann AT4 are available with different heating
voltages and steam capacities ranging from 5 kg/h up to a maximum
of 130 kg/h.
Heating voltage ** Max. steam
capacity
in kg/h
Model
Nordmann AT4
Unit size
Single
unit
Double
unit
small medium large large
400V3
(400 V/3~/50...60 Hz)
5534 x
8834 x
15 1534 x
23 2364 x
32 3264 x
45 4564 x
64 6464 x
65 6564 x
90 9064 x
130 13064 x
400V2
(400 V/2~/50...60 Hz)
5 524 x
8 824 x
230V3
(230 V/3~/50...60 Hz)
5532 x
8832 x
15 1532 x
23 2362 x
32 3262 x
46 4662 x
64 6462 x
230V1
(230 V/1~/50...60 Hz)
5 522 x
8 822 x
** Other heating voltages on request
Key model designation
Example:
Nordmann AT4 4564 400V3
Product designation:
Unit model:
Heating voltage:
400V/3~/50...60Hz: 400V3
400V/2~/50...60Hz: 400V2
230V/3~/50...60Hz: 230V3
230V/1~/50...60Hz: 230V1

9
3.2 Identicationoftheunit
The identication of the unit is found on the type plate:
Walter Meier (Climate International) Ltd. 3562 Pfäfkon
Type: AT4 4564 Ser.Nr.: XXXXXXX 02.10
Heating voltage: 400V / 3~ / 50...60Hz Power: 33.8 kW
Steam capacity: 45.0 kg/h Ctrl. Voltage: 230V / 1~ / 50...60Hz
Water pressure: 1...10 bar
Made in Switzerland
Type designation Serial number (7 digits) Month/Year
Heating voltage
Maximum steam capacity per unit
Admissible water supply pressure
Power consumption
Control voltage
Field with certication symbols
Module A Module B

10
3.3 Steamhumidierconstruction
1 Steam cylinder compartment
2 Control compartment
3 Main contactor
4 Power board
5 Connecting terminals
6 Type plate
7 Remote operating and fault indication board (option)
8 Cable openings
9 Control board with CF Card
10 Display and control unit
11 Drain key
12 Operation status indicators
13 Unit switch
14 SC pump
15 Water cup
16 Filling and draining hose
17 Water supply hose
18 Overow hose
19 Inlet valve
20 Drain pump
21 Drain cup
22 Steam cylinder receptacle
23 Drain hose (manual drain)
24 Steam cylinder
25 Level sensor
26 Steam outlet
27 Electrode plug
28 Drain connector
29 Water supply connector
3
2
1
4
5
7
8
10
12
11
9
15
14
18
22
21
16
17
20
19
24
23
27
25
26
28
29
13
6
gure shows medium unit
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