Nordmann Engineering AT4 D SPA Display User manual

OPERATING INSTRUCTIONS
Steam generator
Nordmann AT4 D
2559432 EN 1412
NORDMANN
ENGINEERING


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 Steam generator construction 10
3.4 Functional description 11
3.5 Humidicationsystemoverview 13
4 Operation 14
4.1 Commissioning 14
4.2 Notes on operation 15
4.2.1 Functionofthedisplayandoperatingelements 15
4.2.2 Remoteoperatingandfaultindication 16
4.2.3 Notes on the operation at ambient
temperatures≤0°C 16
4.2.4 Inspectionsduringoperation 16
4.3 Carrying out manual draining 17
4.4 Takingtheunitoutofoperation 17
5 Working with the unit control 18
5.1 Operating the control unit and menu overview 18
5.2 Basic steam bath settings 20
5.2.1 Setting the temperature setpoint (steam bath
operation) or humidity setpoint (caldarium operation) 20
5.2.2 Setting the control mode 20
5.2.3 Setting the steam bath time 21
5.2.4 Conguringthefragrancepump(s) 21
5.2.5 Switchingtheeffectlight(Light-2)onandoff 22
5.3 Unit settings in the user settings menu 23
5.3.1 Launchingtheusersettingsmenu 23
5.3.2 Selecting the dialogue language 23
5.3.3 Steam bath control settings 23
5.3.3.1 Setting the operation mode 24
5.3.3.2 Conguringweektimer 24
5.3.3.3 Settingthemaximumheatingtimefor
week timer operation 25
5.3.3.4 Fancontrolsettings 26
5.3.3.5 Fragrance pump control settings 30
5.3.3.6 Lightcontrolsettings 30
5.3.3.7 Sensor signal settings 31
5.3.3.8 Setting the controller type 35
5.3.3.9 Settingtheproportionalrangeforthe
internal P/PI controller 35
5.3.3.10 SettingtheintegraltimefortheinternalPIcontroller 35
5.3.3.11 ConguringtheQuasiOn/Offcontrol 36
5.3.3.12 Settingthemaximumdooropeningtime 36
5.3.4 Selecting the cylinder type 37
5.3.5 ConguringtheSCsystem 37
5.3.5.1 Activating/deactivating the SC system 37
5.3.5.2 SettingtheoperationtimeoftheSC-Pump 38
5.3.6 Conguringthecapacitylimitation 38
5.3.7 Watermanagementsettings 39
5.3.7.1 Selectingtheconductivityrangeofthesupplywater 39
5.3.7.2 Settingthedrainfactor 39
5.3.7.3 Settingtheoperatingmodeforstandbyoperation 40
5.3.7.4 Activating/Deactivatingtheforceddraining 42
5.3.7.5 Settingthetimeofoperationafterwhicha
forceddrainingtakesplace 43
5.3.8 Setting the date 43
5.3.9 Settingthetime 43
5.3.10 Setting the display contrast 43
Contents
5.4 Modbus settings 44
5.4.1 SettingsforModbusnetworks 44
5.4.2 Settingsforthecommunicationwiththe
optional remote terminal 45
5.5 Diagnosticfunctions 46
5.5.1 Interrogationoftheerrorhistory 46
5.5.2 Interrogationofunitinformation 47
5.5.3 Performingremotesteambathtests 48
5.5.4 Performingremoterelaytests 49
5.5.5 PerformingModuletests 49
5.6 Workingwiththeremoteterminal 50
5.6.1 Menuoverviewremoteterminal 50
5.6.2 Remoteterminalsettings 51
5.6.2.1 Selectingthedialoguelanguage 51
5.6.2.2 Settingthenumberofsteamgenerators
connected to the remote terminal 51
5.6.2.3 Interrogationoftheerrorhistoryofthe
remote terminal 51
5.6.2.4 Resettingtheerrorhistorylistoftheremoteterminal 52
5.6.2.5 Settingthebaudrate 52
5.6.2.6 Settingthedisplaycontrast 52
6 Maintenance 53
6.1 Importantnotesonmaintenance 53
6.2 Maintenancelist 54
6.3 Removingandinstallingpartsformaintenance 55
6.3.1 Removalandinstallationofthesteamcylinder 55
6.3.2 Removalandinstallationofthedraincup 58
6.3.3 Removalandinstallationofthewatercupand
thewaterhoses 59
6.3.4 Removalandinstallationofthedrainpump 60
6.3.5 Removalandinstallationoftheinletvalve 61
6.3.6 Removalandinstallationofthecylinderreceptacle 62
6.4 Notesoncleaningtheunitcomponents 63
6.5 Notesoncleaningagents 65
6.6 Resettingthemaintenanceindication 65
7 Fault elimination 66
7.1 Faultindication 66
7.2 Malfunctionlists 67
7.2.1 Systemfaults 67
7.2.2 Unitfaults 68
7.3 Notesonfaultelimination 70
7.4 Resettingtheerrorindication(redLEDlights) 70
7.5 Replacing the backup battery on the control board 71
8 Taking out of service/Disposal 72
8.1 Takingoutofservice 72
8.2 Disposal/Recycling 72
9 Productspecications 73
9.1 Technicaldata 73
9.2 WiringdiagramNordmannAT4D 74

4
1 Introduction
1.1 To the very beginning
We thank you for having purchased the steam generator NordmannAT4 D.
The steam generator Nordmann AT4 D incorporates the latest technical ad-
vances and meets all recognized safety standards. Nevertheless, improper
use of the Nordmann AT4 D 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 generator
NordmannAT4 D, 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 generator
Nordmann AT4 D. 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 generator Nordmann
AT4 D 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 cross-references 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 supplier.
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.
Passing-on 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 D must have read and un-
derstood 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 D are fa-
miliar and comply with the appropriate regulations on work safety and the
prevention of accidents.
This unit may not be used by persons (including children) with reduced
physical, sensory or mental abilities or persons with lacking experience and/
or knowledge, unless they are supervised by a person responsible for their
safety or they received instructions on how to operate the unit.
Children must be supervised to make sure that they do not play with unit.
Intended use
The steam generator Nordmann AT4 D is intended exclusively for gen-
eration of steam for a steam bath within the specied operating condi-
tions (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 D 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!
The Nordmann AT4 D is mains powered. One may get in touch with
live parts when the unit is open. Touching live parts may cause se-
vere injury or danger to life.
Prevention: Before carrying out any work set the Nordmann AT4 D 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 power-up.
WARNING!
Hot water vapour - Danger of scalding!
The Nordmann AT4 D produces hot water vapour. There is danger of
scalding when getting in touch with hot water vapour.
Prevention: Do not carry out any work on the steam system during op-
eration (steam lines, steam distributor, etc.). If the steam system is leaky
set the Nordmann AT4 D immediately out of operation as described in
chapter 4.4. Correctly seal the steam system before putting the unit into
operation again.
WARNING!
Danger of burning!
During operation the components of the steam system (steam cyl-
inder, steam distributor, etc.) get very hot (up to 100 °C). There is
danger of burning when touching the hot components.
Prevention: Before carrying out any work on the steam system set the
Nordmann AT4 D out of operation as described in chapter 4.4, then wait
until the components have cooled down sufciently thus preventing dan-
ger of burning.
Behaviour in case of danger
If it is suspected that safe operation is no longer possible, then the Nor-
dmann AT4 D 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 D is damaged
– if the electrical installations are damaged
– if the Nordmann AT4 D is no longer operating correctly
– if connections and/or piping are not sealed
All persons working with the Nordmann AT4 D 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 D 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 generators Nordmann AT4 D are available with different heating
voltages and steam capacities ranging from 5 kg/h up to a maximum
of 65 kg/h.
Heating voltage ** Max. steam capacity
in kg/h
Model
Nordmann AT4 D
Unit size
small medium large
400V3
(400 V/3~/50...60 Hz)
5 534 x
8 834 x
15 1534 x
23 2364 x
32 3264 x
45 4564 x
65 6564 x
400V2
(400 V/2~/50...60 Hz)
5 524 x
8 824 x
230V3
(230 V/3~/50...60 Hz)
5 532 x
8 832 x
15 1532 x
23 2362 x
32 3262 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 D 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:
Nordmann Engineering AG, CH-3562 Pfäfkon
Type: AT4 D 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

10
1
17
16
20
24
23
18
19
22
21
26
25
29
27
28
30
31
3
2
4
5
10
12
14
13
11
15
6
7
9
8
3.3 Steam generator construction
1 Steam cylinder compartment (small, medium, large)
2 Control compartment
3 Power board
4 Main contactor
5 Transformer
6 Steam bath board
7 Connecting terminals
8 Type plate
9 Remote operating and fault indication board (option)
10 Cable openings
11 Control board with CF Card
12 Display and control unit
13 Drain key
14 Operation status indicators
15 Unit switch
16 SC pump
17 Water cup
18 Filling and draining hose
19 Water supply hose
20 Overow hose
21 Inlet valve
22 Drain pump
23 Drain cup
24 Steam cylinder receptacle
25 Drain hose (manual drain)
26 Steam cylinder
27 Level sensor
28 Steam outlet
29 Electrode plug
30 Drain connector
31 Water supply connector
gure shows medium unit

11
3.4 Functional description
The steam generator Nordmann AT4 D is a pressureless steam generator
that utilizes an electrode heating. The steam generator Nordmann AT4 D
is designed for steam generation for steam baths.
Steam generation
Any time steam is requested, the electrodes are supplied with voltage via
main contactor. Simultaneously, the inlet valve opens and water enters the
steam cylinder from the bottom via water cup and supply line. As soon as the
electrodes come in contact with the water, current begins to ow between
the electrodes, eventually heating and evaporating the water. The more the
electrode surface is exposed to water, the higher is the current consumption
and thus the steam capacity.
Steam distributor
Steam hose
Water cup
Overow hose
Filling and
draining hose
Water supply
hose
Inlet valve
Steam cylinder receptacle
Steam cylinder
Electrodes
Level sensor
Drain hose
Control board
Power board
Unit switch
Main contactor
Current sensor
Drain pump
SC pump
Connecting terminals
Steam bath board

12
Upon reaching the requested steam capacity, the inlet valve closes. If the
steam generation decreases below a certain percentage of the required
capacity, due to lowering of the water level (e.g. because of the evapora-
tion process or drainage), the inlet valve opens until the required capacity
is available again.
If the required steam capacity is lower than the actual output, the inlet valve
is closed until the desired capacity is achieved by lowering of the water level
(evaporation process).
Level monitoring
A sensor provided in the steam cylinder cover detects when the water level
gets too high. The moment the sensor comes in contact with water, the
inlet valve closes.
Drainage
As a result of the evaporation process, the conductivity of the water increases
due to an escalating mineral concentration. Eventually, an inadmissibly high
current consumption would take place if this concentration process were
permitted to continue. To prevent this concentration from reaching a value,
unsuitably high for the operation, a certain amount of water is periodically
drained from the cylinder and replaced by fresh water.
Lime management
The interval controlled SC pump blows air into the steam cylinder. Thus
keeping the solved minerals in the water in motion as a result they are
discharged with the automatic drain cycles.
Control steam production
The steam production is controlled steplessly (continuous control) by the
KTY temperature sensor (for steam bath operation) or by a humidity sensor
(for caldarium operation) and the integrated continuous controller.
Steam bath control
The control of the steam bath components (light, fans, fragrance pumps,
bench heating, etc.) is established via the integrated steam bath board.

13
3.5 Humidicationsystemoverview
1 Steam generator
2 Steam connector
3 Water drain connector
4 Water supply connector
5 Water connection hose G 3/4"- G 3/8"
(included in the delivery)
6 Filter valve (accessory “Z261”)
7 Manometer (installation recommended)
8 Funnel with siphon (building side)
9 Water drain hose (included in the delivery)
10 Service switch heating voltage supply (building side)
11 Service switch control voltage supply (building side)
12 Steam hose (accessory “DS22”/“DS35”)
13 Steam distributor (accessory “W..”/“DDS...”/“DDL...”)
14 Temperature sensor (accessory “KTY”) or humidity sen-
sor (caldarium operation)
125...1250 µS/cm
1...10 bar
1...40 °C
ONOFF
ONOFF
10
11
1
2
3
4
5
6
7
Z261
8
9
12
DS22
DS35
W22
W35
13
14
KTY

14
4 Operation
4.1 Commissioning
Proceed as follows when putting the steam generator into operation:
1. Examine the steam generator and installation for possible damage.
DANGER!
Damaged devices or devices with damaged installation may present
danger to human life or cause severe damage to material assets.
Damaged units and/or units with damaged or faulty installation
must not be operated.
2. Check whether the front panels are mounted and correctly xed.
3. Open the lter valve (or the shut-off valve, respectively) in the water
supply line.
4. Switch on the service switches for mains supplies (heating and control
voltage).
5. Actuate the unit switch of the steam generator. Switch lights up.
The steam generator carries out a system test, during which all three
LED’s light up.
If a failure occurs on the system test, a corresponding error message is
shown in the display.
After the system test the unit is in normal operation mode. The display
shows the standard operating display (rst page of the indication level).
Note: The contents of the standard operating display depends on the actual
operating status and on the conguration of the Nordmann AT4 D and can
differ from the opposite display.
Depending on the selected operating mode of the Nordmann AT4 D, the
steam generator must manually be started via the Start/Stop button of the
display and control unit or via an external Start/Stop button or the opera-
tion runs time-controlled via the day timer or the week timer. As soon as
the steam generator is started, the heating current is switched on. The inlet
valve opens (slight delay) and the steam cylinder lls with water. As soon as
the submerged electrodes heat the water up the green LED lights up and
after a few minutes (approx. 5–10 minutes, depending on the conductivity
of the water) steam is produced.
As soon as the set temperature (steam bath operation) or the set humidity
(caldarium operation) in the steam bath cabin is achieved, the light is switched
on and the bath phase starts. During the bath phase the fragrance pump
(if available) is controlled in accordance with the selected operating mode
and the fan (or the ap actuator) is controlled in accordance with the set
temperature or humidity and the actual temperature or the actual humidity
in the steam bath cabin.
AT4D
STARTUP:
INIT MODULE
Menu
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
Light Start
Menu
AT4D 65kg/h 400V3
Steam Bath :Heating
Temperature :45°C
Setpoint :48°C
2011-08-31 12:00:00
Light Start
Menu Light Stop
AT4D 65kg/h 400V3
Rest Time :45min
Temperature :48°C
Setpoint :48°C
2011-08-31 12:00:00

15
Note: If the Nordmann AT4 D is operated with water of low conductivity it
may happen that the maximum steam capacity is not reached in the rst few
hours of operation. This is normal. As soon as the conductivity has reached
a sufcient level (due to the vaporisation process) the steam generator will
reach the maximum steam capacity.
4.2 Notes on operation
4.2.1 Function of the display and operating elements
Display and control unit
Function: Conguration of the Nordmann AT4 D
Indication of operating parameters
Reset of maintenance counter
Performing diagnostic functions
red LED “Malfunction”
Function: The LED lights in case of a severe malfunction of
the unit (Error status). Further operation is not pos-
sible any longer. The error message is shown in the
display, see chapter 7).
yellow LED “Maintenance”
Function: The LED lights if the steam cylinder must be replaced.
green LED “Humidication”
Function: The LED lights if the unit produces steam.
Drain key
Function: Calls up the dialogue for the manual draining
Unit switch
Function: Switches the unit on and off. The switch is illumi-
nated when the unit is on.

16
4.2.2 Remote operating and fault indication
Via the operating and fault indication the following operating status are
shown remotely:
Activated remote
indication relay
When? Display on unit
“Error” A error is present, further operation is
normally not possible any longer, the
heating voltage is interrupted.
Red LED lights and an
error message is shown
in the display.
“Service” The steam cylinder is spent and must be
replaced. The unit remains operational
for a certain time.
Yellow LED lights and
the service message is
shown in the display.
“Steam” Steam demand/Steam production Green LED lights and the
standard operating dis-
play is shown.
“Unit on” Unit is switched on. Unit switch lights and the
standard operating dis-
play is shown.
4.2.3 Notesontheoperationatambienttemperatures≤0°C
If during operation ambient temperatures ≤ 0°C must be expected (opera-
tion of the Nordmann AT4 D in a protective housing outside the building),
the standby draining function must be set to “Full” and the period of time in
standby operation after which an automatic cylinder draining takes place
must be set to 1 hour (see chapter 5.3.7.3).
4.2.4 Inspections during operation
During operation the Nordmann AT4 D and the humidication system have
to be inspected weekly. On this occasion check the following:
• the water and steam installation for any leakage.
• the steam generator and the other system components for correct xing
and any damage.
• the electric installation for any damage.
If the inspection reveals any irregularities (e.g. leakage, error indication)
or any damaged components take the Nordmann AT4 D out of operation
as described in chapter 4.4. Then, contact your Nordmann representative.

17
4.3 Carrying out manual draining
Proceed as follows to drain the unit manually:
1. Briey press the drain key. The draining dialogue appears in the
display.
Note: With double units both cylinders can be drained separately in the
draining dialogue.
2. Press the <Start> key. The heating voltage is interrupted and the drain
pump starts. The yellow LED ashes.
To stop the drain cycle briey press the <Stop> key.
Note: by pressing the <Esc> key the display unit returns to the indication
level. A draining cycle in progress is interrupted automatically.
4.4 Taking the unit out of operation
In order to take the steam generator out of operation, perform the following
steps:
1. If the unit has to be switched off because of a malfunction, please note
the error code (number of ashes of the red and yellow LED) of the
actual error message shown in the display.
2. If possible, wait until the drying process of the steam bath cabin is n-
ished.
3. Close the shut-off valve in the water supply line.
4. Start manual draining (see chapter 4.3) and wait until the steam cylinder
is empty.
Note: If the drain pump is defective, the steam cylinder is to be emptied
manually via the manual draining hose.
5. Actuate the unit switch.
6. Disconnect steam generator from the mains: Switch off all service
switches to mains supplies (heating and control voltage) and secure
switches in “off” position against accidentally being switched on, and
clearly mark the switches.
7. If ambient temperatures ≤ 0°C must be expected when the unit is out
of operation (operation of the Nordmann AT4 D in a protective housing
outside the building): drain the water supply pipe and the water lter
(lter valve).
WARNING!
Danger of burning!
If steam was produced just before the unit is taken out of operation, wait
before opening the unit and let the steam cylinder cool down to prevent
danger of burning.
Start
Manual Drain
Press START or STOP
Cyl.Cyl.B
Esc

18
5 Working with the unit control
Note: if you are working with the optional remote terminal read chapter 5.6
“Working with the remote terminal” rst. The operation of the remote
terminal deviates in some points from the operation at the steam generator
and some adjustments are blocked via the remote terminal for safety reasons.
5.1 Operating the control unit and menu overview
Operating
The operating and display unit is operated via the four keys located just
below the display. The 4 status elds at the bottom of the display show the
active keys the functions assigned to them.
actual key setting
keys
Menu
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
Light Start

19
User Code
3562
Enter Number
Conrm with Set
Esc Set
User
Settings :Set
Modbus :Set
Maintenance :Set
Esc Set
Diagnostic
Unit Status :Set
Bath Test :Set
Remote Test :Set
ErrorHistory:Set
Module Test :Set
Esc Set
Menu overview
Menu User
– Resetting the maintenance counter
– Unit settings
– Modbus settings
Menu Engineering
The engineering level requires special knowledge and may
only be served by a Nordmann service technician.
Menu Diagnostic
– Interrogation of the malfunction list
– Interrogation of unit information
– Carrying out steam bath tests
– Carrying out relay tests
– Carrying out unit tests
Main Menu
Operat.Mode :Manual
Duration :45min
Fragrance :Set
Setpoint :48°C
Light-2 :O
Esc Set
Main Menu
Light-2 :O
User :Set
Engineering :Set
Fragrance :Set
Diagnostic :Set
Esc Set
Main Menu
Light-2 :O
User :Set
Engineering :Set
Fragrance :Set
Diagnostic :Set
Esc Set
Main Menu
Light-2 :O
User :Set
Engineering :Set
Fragrance :Set
Diagnostic :Set
Esc Set
Indication level
Menu level
Modifying temperature setpoint (steam bath operation) or humidity setpoint
(caldarium operation)
Setting steam bath mode
Setting operating time in steam bath mode
Fragrance pump settings
Setting operating behaviour of light output 2
Menu
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
Light Start
Display steam bath operation Display caldarium operation
Menu Licht Start
AT4D 65kg/h 400V3
Steam Bath :Standby
Humidity :44.7%rH
Setpoint :45%rH
2011-08-31 12:00:00

20
5.2 Basic steam bath settings
5.2.1 Setting the temperature setpoint (steam bath operation) or humidity setpoint
(caldarium operation)
Select “Setpoint” in the main menu, then press the <Set> key.
In the upcoming modication dialogue set the desired temperature or humidity setpoint.
Factory setting: 48 °C (45 %rH)
Setting range: 25 ... 55 °C (30...90 %rH)
5.2.2 Setting the control mode
Note: this menu item is available only if the operating mode in the steam bath control settings (see
chapter 5.3.3.1) is set to “Panel”.
Select “Operat.Mode” in the main menu, then press the <Set> key.
In the upcoming modication dialogue select the desired control mode for panel operation.
Factory setting: Manual
Options: Manual, Timer
Description of the control mode settings
– Manual: The steam generator must be switched on and off via the Start/Stop key of the display
and control unit or via an external Start/Stop key.
– Timer: The steam generator is switched on and off time controlled via the day timer.
The timer settings can be accessed by pressing the <Timer> key in the standard
operating display.
– Status: activate (On) or deactivate (Off) timer function
Note: the day timer must be activated every time after the steam
bath time has elapsed.
– Start time: set starting time (format: hh:mm)
– Duration: set heating time in minutes
Main Menu
Operat.Mode :Manual
Duration :45min
Fragrance :Set
Setpoint :48°C
Light-2 :O
Esc Set
Menu Light Start
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
Setpoint
48 °C
48 °C
Esc Set
Main Menu
Operat.Mode :Manual
Duration :45min
Fragrance :Set
Setpoint :48°C
Light-2 :O
Esc Set
Menu Light Start
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
Operat.Mode
Manual
Timer
Manual
Esc Set
Main Menu
Start time :12:00
Duration :45min
Status :O
Esc Set
Menu Light Timer
AT4D 65kg/h 400V3
Steam Bath :Standby
Temperature :34°C
Setpoint :48°C
2011-08-31 12:00:00
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