Nordmann es4 4 User manual

INSTALLATION- AND OPERATING INSTRUCTIONS
NORDMANN
ENGINEERING
NORDMANN
ENGINEERING
Dampfluftbefeuchter econoVap
Steam air humidier
Nordmann ES4 4
2569918 EN 1303

3
Contents
1 Introduction 4
1.1 To the very beginning 4
1.2 Notes on the installation and operating instructions 4
2 For your safety 6
3 Product Overview 8
3.1 Model overview 8
3.2 Identication of the unit 8
3.3 Steam humidier construction 9
3.4 Functional description 10
3.5 Humidication system overview 12
3.6 Accessories 13
3.6.1 Accessories overview 13
3.6.2 Accessory details 14
3.7 Standard delivery 16
3.8 Storing/Transportation/Packaging 16
4 Mounting and installation work 17
4.1 Important notes for mounting and installation work 17
4.2 Installation overview 18
4.3 Mounting the unit 19
4.3.1 Notes on locating the unit 19
4.3.2 Mounting the humidier 21
4.3.3 Inspecting the installed unit 22
4.4 Steam installation 23
4.4.1 Overview steam installation 23
4.4.2 Positioning of the steam distributors in a duct 24
4.4.3 Positioning of the steam distributors in a steam bath 28
4.4.4 Installing the steam distributors 28
4.4.5 Installing the steam and condensate hose 29
4.4.6 Common steam and condensate line errors 33
4.4.7 Inspecting the steam installation 34
4.5 Water installation 35
4.5.1 Overview water installation 35
4.5.2 Notes on water installation 36
4.5.3 Inspecting the water installation 37
4.6 Electric installation 38
4.6.1 Wiring diagram Nordmann ES4 4 38
4.6.2 Notes on electric installation 39
4.6.3 Unit conguration 41
4.6.4 Inspecting the electrical installation 42
5 Operation 43
5.1 Function of the display and operating elements 43
5.2 Commissioning 44
5.3 Notes on operation 45
5.3.1 Function of the LED's in info mode 45
5.3.2 Inspections during operation 45
5.4 Carrying out manual draining 46
5.5 Taking the unit out of operation 46
6 Maintenance 47
6.1 Important notes on maintenance 47
6.2 Maintenance list 48
6.3 Removing and installing parts for maintenance 49
6.3.1 Removal and installation of the steam cylinder 49
6.3.2 Removal and installation of the drain cup 52
6.3.3 Removal and installation of the water cup and the water
hoses 53
6.3.4 Removal and installation of the drain valve 54
6.3.5 Removal and installation of the inlet valve 55
6.4 Notes on cleaning the unit components 56
6.5 Notes on cleaning agents 57
6.6 Resetting the maintenance indication 57
7 Fault elimination 58
7.1 Fault indication 58
7.2 Malfunction lists 59
7.2.1 System faults 59
7.2.2 Unit faults 59
7.3 Notes on fault elimination 61
7.4 Resetting the error indication (red LED lights) 61
8 Taking out of service/Disposal 62
8.1 Taking out of service 62
8.2 Disposal/Recycling 62
9 Product specications 63
9.1 Technical data 63
9.2 Unit dimensions 64

4
1 Introduction
1.1 To the very beginning
We thank you for having purchased thesteam humidier Nordmann ES4 4.
The steam humidier Nordmann ES4 4 incorporates the latest technical ad
van ces and meets all recognized safety standards. Nevertheless, improper
use of the Nordmann ES4 4 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 humidier
Nordmann ES4 4, please observe and comply with all information and safety
instructions contained in the present installation and operating instructions
as well as the instructions given in the manuals for the components used
in the humidication system.
If you have questions, which are not or insufciently answered in this
documentation, please contact your Nordmann supplier. They will be glad
to assist you.
1.2 Notes on the installation and operating instructions
Limitation
The subject of these installation and operating instructions is the
steam humidier Nordmann ES4 4. The various accessories (e.g. steam
distributor, steam distribution system, etc.) 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 installation and operating instructions are restricted to the installa-
tion, commissioning, operation, servicing and trouble shooting of the
steam humidier Nordmann ES4 4 and is meant for well trained personnel
being sufciently qualied for their respective work.
These installation and operating instructions are supplemented by various
separate items of documentation (spare parts list, manuals for accessories,
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 installation and operating instructions in a safe place,
where it can be immediately accessed. If the equipment changes hands,
the documentation should be passed on to the new operator.
If the documentation gets mislaid, please contact your Nordmann supplier.
Language versions
The present installation and operating instructions are available in various
languages. Please contact your Nordmann supplier for information.
Copyright protection
The present installation and operating instructions are protected under the
Copyright Act. Passingon and reproduction of the manual (or part thereof)
as well as exploitation 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 indemnication.
The manufacturer reserves the right to fully exploit commercial patent rights.

6
2 For your safety
General
Every person working with the Nordmann ES4 4 must have read and un-
derstood the present installation and operating instructions before carrying
out any work.
Knowing and understanding the contents of the installation and 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.
Qualication of personnel
All actions described in the present Installation and operating instructions
(installation, operation, maintenance, etc.) must be carried out only by well
trained and sufciently qualied personnel authorised by the owner.
For safety and warranty reasons any action beyond the scope of this
manuals must be carried out only by qualied personnel authorised by the
manufacturer.
It is assumed that all persons working with the Nordmann ES4 4 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 humidier Nordmann ES4 4 is intended exclusively for air
humidication via a steam distributor or a fan unit approved by the
manufacturer within the specied operating conditions (see chapter 9
“Product specications”). 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 ES4 4 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 ES4 4 out
of operation as described in chapter 5.5 (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 ES4 4 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 ES4 4 immediately out of operation as described in
chapter 5.5. Correctly seal the steam system before putting the unit into
operation again.
WARNING!
Danger of burning!
During operation the components of the steam system (e.g. steam
cylinder, steam distributor) 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 ES4 4 out of operation as described in chapter 5.5, then wait
until the components have cooled down sufciently 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 ES4 4 should immediately be shut down and secured against
accidental power-up according to chapter 5.5. This can be the case
under the following circumstances:
– if the Nordmann ES4 4 is damaged
– if the electrical installations are damaged
– if the Nordmann ES4 4 is no longer operating correctly
– if connections and/or piping are not sealed
All persons working with the Nordmann ES4 4 must report any alterations
to the unit that may affect safety to the owner without delay.
Prohibited modications to the unit
No modications must be undertaken on the Nordmann ES4 4 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 Model overview
The steam air humidiers Nordmann ES4 4 are available in the following
version.
Model Heating voltage Max. steam capacity
Nordmann ES4 4 230V1 230V/1~/50...60Hz 4 kg/h
Key model designation
Nordmann ES4 4 230V1
Product designation
Max.steam capacity in kg/h
Heating voltage:
230V/1~/50...60Hz: 230V1
3.2 Identication of the unit
The identication of the unit is found on the type plate:
Nordmann Engineering AG, CH-8808 Pfäfkon
Type: ES4 4 Ser.Nr.: XXXXXXX 11.12
Heating voltage: 230V / 1~ / 50...60Hz Power: 3.1 kW
Steam capacity: 4.0 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 certication symbols

9
3.3 Steam humidier construction
1 Housing (small, large)
2 Cable openings, top side
3 Power board (option)
4 Control board with CF Card
5 Terminals supply voltage
6 Drain/info key
7 Operation status indicators
8 Unit switch
9 Water cup
10 Overow hose
11 Filling hose
12 Water supply hose
13 Drain valve
14 Inlet valve
15 Steam cylinder
16 Type plate
17 Electrode plug
18 Level sensor
19 Steam outlet
20 Water supply connector
21 Drain cup
22 Drain connector
23 Cable openings, bottom side
2
15
17
18
19
1
3
5
4
7
8
20
21
22
23
9
11
14
13
10
12
16
6

10
3.4 Functional description
The steam humidier Nordmann ES4 4 is a pressureless steam generator
that utilizes an electrode heating. The steam humidier Nordmann ES4 4
is designed for air humidication via a steam distributor.
Steam distribution pipe
Condensate hose
with siphon
Steam hose
Water cup
Overow hose
Filling hose
Water supply hose
Inlet valve
Base tub
Drain valve
Steam cylinder
Electrodes
Level sensor
Control
board
Power board
Unit switch
Heating
relay
Current sensor
Steam generation
Any time steam is requested, the electrodes are supplied with voltage via
the heating relay. 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.

11
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 perio dically
drained from the cylinder and replaced by fresh water.
Control
The steam production can be controlled with an external 010V continuous
controller or an external humidistat (24 VDC On/Off control).

12
3.5 Humidication system overview
1 Steam humidier
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 control voltage supply (building side)
11 Steam hose (accessory “DS..”/“Z10”)
12 Condensate hose (accessory “KS10”)
13 Steam distribution pipe (accessory “DV41..”)
14 Steam nozzle (accessory “W21”)
15 Steam distributor (accessory “DSS22”)
16 Steam distributor (accessory “W22”)
17 Humidity controller 010V or Humidistat
18 Safety humidistat
125...1250 µS/cm
1...10 bar
1...40 °C
ONOFF
10
17
1
2
4
5
8
6
7
8
DS22
Z261
11
13
14
DV41
W21
18
12
KS10
15 DSS22
16 W22
3
9

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3.6 Accessories
3.6.1 Accessories overview
Accessories for water installation
Nordmann ES4 4
Filter valve Z261 (1 pc. per system)
Accessories for steam installation
Nordmann ES4 4
Steam distribution pipe
(details see chapter 3.6.2.1)
1x DV41-...
Steam nozzle
(details see chapter 3.6.2.2)
1x W21
Steam distributor
(details see chapter 3.6.2.3)
1x W22
Steam distributor
(details see chapter 3.6.2.4)
1x DDS22
Steam hose / meter 1x DS22
EcoTherm insulation hose / meter 1x ECT22
Condensate hose / meter 1x KS10
Accessories for humidity control
Nordmann ES4 4
Duct humidistat HBN (1 pc. per system)
Room humidistat HSN (1 pc. per system)

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3.6.2 Accessory details
3.6.2.1 Steam distribution pipe DV41-...
The steam distribution pipes are selected on the basis of the duct width
(for horizontal installation) or the duct height (for vertical installation) and
the capacity of the steam humidier.
Important! Always select the longest possible steam distribution pipe (opti
mum humidication distance).
L
B
Steam distribution pipes for
Nordmann ES4 4 1)
Length (L) steam
distribution pipe
Duct width (B)
Type DV41-.. in mm 2) in mm
41-200 200 210...400
41-350 350 400...600
41-500 500 550...750
41-650 650 700...900
41-800 800 900...1100
41-1000 1000 1100...1300
41-1200 1200 1300...1600
1) Material: CrNi steel 2) special length on request

15
3.6.2.2 Steam nozzle W21
The steam nozzle W21 can be mounted in the ventilation duct horizontally
or vertically. Keep a minimum distance clearance (A) of 200 mm between
nozzle opening and the opposite duct wall.
3.6.2.3 Steam distributor DSS22 (for steam bath)
3.6.2.4 Steam distributor W22 (for steam bath)
64 mm
64 mm
ø22.5 mm
ø48.5 mm
max. 19 mm
ø43 mm
ø22.5 mm
64 mm
64 mm
1/3
2/3
1/2 1/2
A
A
ø22.5 mm
ø48.5 mm
max. 19 mm

16
3.7 Standard delivery
The standard delivery includes:
– Steam humidier Nordmann ES4 4 with water drain hose and water
connection hose G 3/4"  G 3/8", xing set and installation and operating
instructions (this document), packaged in cardboard box
– Cardboard box: 550 mm x 360 mm x 300 mm,
shipping weight: ?? kg
– Ordered accessories with operating instructions according chapter 3.6,
packed separately
– Spare parts list
3.8 Storing/Transportation/Packaging
Storing
Store the unit in a protected area meeting the following requirements:
– Room temperature: 1 ... 40 °C
– Room humidity: 10 ... 75 %rh
Transportation
For optimum protection always transport the unit in the original packaging.
The weight of the unit is less than 20 kg. Always place the unit on its back side.
Packaging
Keep the original packaging of the Nordmann ES4 4 for later use.
In case you wish to dispose of the packaging, observe the local regulations
on waste disposal. Never dispose of the packaging to the environment.

17
4 Mounting and installation work
4.1 Important notes for mounting and installation work
Qualication of personnel
All mounting and installation work must be carried out only by well quali-
ed personnel authorised by the owner. It is the owner’s responsibility
to verify proper qualication of the personnel.
General note
Strictly observe and comply with all information given in the present instal-
lation and operating instructions regarding the location of the unit and the
installation of water, steam and electricity.
Observe and comply with all local regulations dealing with water, steam
and electrical installations.
Safety
Some installation work requires removal of the unit cover. Please note the
following:
DANGER!
Danger of electric hazard!
You may get in touch with live parts when the unit is open. The steam
humidier must be connected to the mains only after all mounting and
installation work has been completed and the cover has been relocated
properly.
CAUTION!
The electronic components inside the humidier are very sensitive to
electrostatic discharge. When the unit is open for installation work, ap-
propriate measures must be taken to protect these components against
damage caused by electrostatic discharge (ESD protection).

18
125...1250 µS/cm
1...10 bar
1...40 °C
ONOFF
Z261
DV41 W21
KS10
W21
W21
Pmin
800 Pa
-800 Pa
Pmax
ø14/7 mm
G 3/4"
G 1/2"
G 3/8"
Ømin.
200 mm
Rmin. 300 mm
DS22
min. 20 %
–
min. 5 %–
min. 20 %
+
min. 300 mm
ES4 4
ext.
SAFETY
X6
12
SC1SC2
SC1SC2
B3
B2
B1
CONT.SIGN
X1
CTRL V+
123
GND
0-10V
On/Off
JP4 JP3
V+GNDCTRL
– +
0-10V
A1
ES4 4
ext.
CONT.SIGN
X1
CTRL V+
123
GND
0-10V
On/Off
JP4 JP3
V+GNDCTRL
On/Off
A2
ES4 4
ext.
PWR
MAIN SUPPLY
X9
LN PE
L1 N
F5
Q3
230V1~ 50..60Hz
ES4 4
ext.
A1 / A2
B3
min. 50 cm
ø 30 mm
≥ 40 mm
4.2 Installation overview
Water installation
see chapter 4.5
Steam installation
see chapter 4.4
Mounting the unit
see chapter 4.3
Heating voltage
On/Off-ControlContinuous control 0-10V
External safety chain
Electric installation
see chapter 4.6

19
4.3 Mounting the unit
4.3.1 Notes on locating the unit
Nordmann ES4 4 230V1
Dimensions housing (X x Y x Z) in mm 285 x 205 x 430
Net weight in kg 8
Operating weight in kg 13
min. 400 mm
min. 600 mm
min. 250 mm min. 400 mm
min. 600 mm
60...70 °C 1 ... 40 °C
max. 75 %rh
IP20
Z
Y
X

20
The installation site of the steam humidier depends largely on the location
of the steam distributor (see chapter 4.4). To ensure proper functioning
of the steam humidier and to obtain an optimal efciency, the following
points must be considered and observed when choosing the location for
the steam humidier:
– Install the steam humidier so that the length of the steam hose is kept
as short as possible (max. 4 m) and that the minimum bend radius
(R= 300 mm) and up-slope (20 %) or down-slope (5 %) of the steam
hose is observed (see chapter 4.4.5).
– The steam humidiers Nordmann ES4 4 are designed for wallmount-
ing. Make sure that the construction (wall, pillar, oormounted console,
etc.) to which the humidiers are to be mounted, offers a sufciently
high load-bearing capacity (take notice of the weight information
found in the dimensions and weights table above), and is suitable for
the installation.
CAUTION!
Do not mount the steam humidier directly to the ventilation duct
(insufcient stability).
– The back panel of the Nordmann ES4 4 is retaining heat during opera-
tion (max. surface temperature of the metal housing approx. 60  70 °C).
Make sure, therefore, that the construction (wall, pillar, etc.) to which the
units are to be mounted, does not consist of heatsensitive material.
– Install the steam humidier in such a manner that it is freely accessible
with sufcient space available for maintenance purposes (refer to the
above illustration for minimum distances).
–The Nordmann ES4 4 is protected according to IP20. Make sure the
units are installed in a dripproof location and the admissible ambient
conditions are complied with.
– The steam humidier Nordmann ES4 4 may only be installed in rooms
with a oor drain.
CAUTION!
If for some reason the Nordmann ES4 4 must be installed in a location
without oor drain, it is mandatory to provide a leakage monitoring
device to safely interrupt the water supply in case of leakage.
– When xing the Nordmann ES4 4 use only the xing materials sup-
plied with the unit. If xing with the materials supplied is not possible in
your particular case, select a method of xing that is of similar stability.
– The Nordmann ES4 4 is designed for installation and operation inside
buildings.