Nordmende 2401935EN0801 User's Manual
Contents
1. 1x 22 210 354 562 195 400 Fig 3 1 Fig 3 2 340 490 335 672 490 Fig 3 3 Positioning of the humidifier Fig 3 4 wo Fig 3 5 Dimensions of the steam distribution pipes Type A mm B mm C mm D mm Fig Art no 22 300 300 022 176 60 3 6 902 00 00 22 450 450 022 300 70 3 6 902 00 01 22 650 650 022 504 70 3 6 902 00 02 22 850 850 022 696 70 3 6 902 00 03 35 300 300 035 200 55 3 6 902 00 04 35 450 450 035 300 80 3 6 902 00 05 35 600 600 035 425 90 3 6 902 00 06 35 900 900 035 680 110 3 7 902 00 07 35 1200 1200 035 935 110 3 7 902 00 08 35 1500 1500 035 1275 110 3 7 902 00 09 A emi 3 BR co 0 bs lo Fig 3 6 A C D 100 Fig 3 7 3 2 Steam Nozzle a Fig 3 8 When the steam nozzle is used the length of the steam hose should not For smaller outputs of up to 4 kg h steam we offer a nozzle which can be either fitted in air ducts for instance or used for direct room humidification The rules for vaporisation lines lines needed to mix the steam adequately with air must be observed here to2. 1 25 English hardness 1 DH 1 05 US hardness 1 DH 10 mg l CaO 1 DH 17 9 mg l CaCO ppm NORDMANN s electrode steam humidifiers function with water ranging from soft to very hard without the need for prior treatment However for fairly hard water and above we recommend the use of the SC System NORDMANN s patented self cleaning system which greatly reduces the amount of maintenance required for the cylinder The SC System is available as option built in ex works or as a retrofit option 4 2 Water intake and drainage Please observe the local regulations concerning the connection of appliances to the pressure and drainage system The humidifier is designed to operate on ordinary tap water only If you intend to use treated or de mineralised water consult your NORDMANN representative beforehand Where the water pressure is between 1 and 10 bar 0 1 1 MPa the unit can be connected directly to the water supply If it is over 10 bar 1 MPa connection must be made via a pressure reduction valve set to 4 6 bar or 0 4 0 6 MPa In any case the water feed pipes must be flushed thoroughly before connecting them to the humidifier You should use copper piping only Note that the drainage facility should provide the possibility Z9 for cleaning and maintenance The drainage pipe should er have a decline of at least 5 m t Wie A fine filter should be fitted at the water in
3. 9o of nominal value the humidifier switches itself off for safety reasons After the fault has been rectified the humidifier is put back into operation by pressing the main power switch LED blinking red Continuous fill U3 The humidifier tries to fill the cylinder continuously Either a heating phase or the water is missing The humidifier switches itself off automatically after 30 minutes After the fault has been rectified the unit is put back into operation by pressing the main power switch LED blinking red red green green Microcontroller uncoded U4 This signal appears if a replacement electronic control unit has been fitted to the humidifier without being coded The humidifier is prevented from operating The signal disappears as soon as the controls unit has been coded 6 6 Remote indication A standard potential free relay output enables the alarm messages to be remotely displayed 6 7 Safety functions NORDMANN humidifiers are protected against running dry i e the power is cut off automatically as soon as the electrodes in the steam cylinder protrude above the water level If current consumption becomes excessive 25 above the nominal level the outlet valve is opened automatically Because the electrodes are then in contact with less water current consumption falls back to the nominal value If the current fails to fall below 140 of the nominal level even after several drainage operations the humidifier turns itsel
4. onto the electronic controls unit Following signals can be processed by the adaptor Voltage 0 2 V 0 5 V 0 10 V 0 16 V 0 20 V SCS 1 5 V 2 10 V Current 0 20 mA 4 20 mA Potentiometer min 135 Ohm SC System The SC System is a patented self cleaning system for the electrode steam humidifiers of NORDMANN The minerals are kept in suspension and as such are kept to a large extend from building up at the bottom of the cylinder The suspended minerals are flushed away during the normal drainage operations The service life of the steam cylinder is lengthened considerably and maintenance is made easier Cabinet Heating Is the unit installed in an environment presenting the risk of frost then the option cabinet heating is used It prevents the water in the steam cylinder from freezing 9 Technical specifications Type mark Type 434 834 1534 2364 3264 4564 6564 Heating voltage Volt 400 Volt 50 60 Hz Number of phases 3 3 3 3 3 3 3 Heating current A 4 4 88 16 5 252 35 1 49 4 71 3 External fuses p phase A 10 16 25 40 50 80 100 Type mark Type 422 432 822 3832 1532 2362 3262 Heating voltage Volt 230 Volt 50 60 Hz Number of phases 1 3 1 3 3 3 3 Heating current A 13 2 7 6 26 4 153 286 43 9 61 0 External fuses p phase A 20 16 40 25 40 63 100 Steam output kg h 4 4 8 8 15 23 32 45 65 Minimum capacity kg h steam 08 08 1 6 1 6 3 46 64 9 is Nomin
5. trap Type Sperrfix 3 gt Fig 3 21 3 5 Fitting the blowers Because of the under pressure in the appliance or the duct part condensate may be kept back in the steam distribution pipe If there is an outlet in the empty part of the humidifier the condensate can be bled off in the immediate vicinity An alternative method of bleeding off the condensate can be seen in the diagram For the humidifier to work best correct steam distribution is essential For this reason the minimum distances must be observed when installing the equipment Please note that only wall installation is possible with the econoVap Minimum distances for steam blowers 4 23 kg h Fig 3 22 Typ 32 min 1500 mm Typ 45 min 2000 mm min gt E N Fig 3 22 Type A B min min 4 kg 600 mm 3m 8 kg 900 mm 5m 15 kg 1000 mm 7m 23 kg 1000 mm 10m 4450 mm Fig 3 22 Technical speeifications steam blowers Max steam Air volume Power Nominal Weight Steam pipe Condensate Noise output m h supply rating kg pipe level 1m 4 8 kg h 110 200 240 V 25 W 5 22 mm f 8 mm 46 dB A 15 23 kg h 650 50 60 Hz 170 W 15 35 mm f 8 mm 54 dB A 32 kg h 800 220 240 V 110 W 8 f 35 mm f 8 mm 72 dB A 45 65 kg h 800 50 60 Hz 110 W 8 2x35 mm f 8 mm 72 dB A 3 6 Laying the steam hose The steam hose should be kep
6. 3 7 Laying the condensate hose Condensate fed back to the unit Condensate drained off 4 separately E Fig 3 29 4 Water connections 4 1 Water quality 10 It is advisable to lay the condensate hose as near to the ver tical as possible and to feed the condensate either directly into an open funnel or below the siphon If the steam distribution pipe is fitted above the humidifier the condensate can be fed back to the unit by placing the end of the hose in the filling cup In this case a small siphon should be for med with the condensate hose If the condensate is drained off directly it is advisable to feed back the condensate hose separately The end of the condensate hose should be in the open air if the end of the hose is submer ged in water the condensate is prevented from draining away freely NORDMANN humidifiers use ordinary tap water for the production of pure steam The electrical conductivity should be between 125 and max 1250 microSiemens per cm The hardness of water is measured in accordance with the international unit millimol calcium and magnesium ions per litre mmol l previously in degrees of German hardness DH Soft water Fairly hard water Hard water Very hard water Other international units up to 1 3 mmol l up to 7 DH 1 3 bis 2 5 mmol l 7 14 DH 2 5 bis 3 8 mmol l 14 21 DH over 3 8 mmol l over 21 DH 1 DH 1 79 French hardness 1 DH
7. Nordmann econoVap Steam Humidifier OPERATING INSTRUCTIONS 2401935 EN 0801 Introduction You have purchased a NORDMANN steam humidifier which provided you observe the operating instructions will ensure fully automatic operation and reliable low maintenance service Therefore read these operating instructions carefully and pay particular attention to the safety instructions and warnings Should you have any queries that go beyond the scope of these operating instructions please contact the company from which you have purchased the humidifier or which has installed it As the manufacturers we are of course always ready to be of assistance since we want all our customers to be completely satisfied with our products List of contents TSafety instructions ae ae Sons e ee a ee poti utn Debo ame au fen lente Meda 3 2 How the humidifier WOrks osi RR br Rx Id exis resume ehe ae ae een posed 3 3 Installation and dimensions iiiiuuussssssssssseslslslss nennen een ns 4 4 Water connections a s ien ee ek en e tec dod ue RU re gan ee 10 5 Electrical connections ipa ee ea tiere sane EA 11 6 Putting into operation osos doge geraten eds e inepta yu p eod Ro edu nei D eid b tede oe cdi 12 7 Maintenance au opina aT acs a PODER pates mda Cua adamante nd adu E Srt osx ac 14 LEID IPC XXe 15 9 Technical specifications i e oae eek dena ese pen edo c UR ee 16 1 Safety Instructions General Safety Instructions The
8. al power kW 3 0 30 61 61 11 4 17 5 243 342 49 4 Design data Dimensions width mm 354 354 354 354 490 490 490 490 490 height mm 562 562 562 562 672 672 672 672 672 depth mm 210 210 210 210 340 340 340 340 340 Steam outlet diameter mm 1x22 1x22 1x22 1x22 1x35 1x35 1x35 2x35 2x35 Weight empty kg diese 11 5 WE 12 20 21 225 24 24 Operating weight kg 15 15 18 5 185 35 36 475 49 49 Accessories Humidity controller aty 1 1 1 1 1 1 1 1 1 Control electronics Supply voltage Volt 220 240 Volt 50 60 Hz 1 Proportional adaptor aty 1 1 1 1 1 1 1 1 1 Steam distributors for det use Steam nozzle aty 1 1 22 xxx mm atv 1 1 1 1 35 300 mm aty 1 35 450 mm aty 1 1 2 35 600 35 900 mm aty 1 1 1 2 2 35 1200 35 1500 mm Steam hose 22 29 mm qty xm 1 1 1 1 35 43 mm qty xm 1 1 1 2 2 Condensate hose 6 10 mm qty xm 1 1 1 1 1 1 1 2 2 Steam blowers for direct room humidification Split mounted qty 1 1 1 1 1 1 1 1 1 Other heating voltages on request Manufacturer Walter Meier Climate International Ltd we te r Talstr 35 37 P O Box CH 8808 Pf ffikon Switzerland Phone 41 55 416 61 11 Fax 41 55 416 62 62 ME er nordmann waltermeier com www nordmann engineering com
9. e recommend to re tighten the screw terminals after a few days 11 6 Putting the humidifier into operation 6 1 Start up Prior to starting the unit up check the correct connections of the steam pipe water feed pipe drainage pipes and electrical cables Open the shut off valve in the water feed pipe and switch the unit on with the black power switch As soon as the demand for steam is recognised the green LED lights up the contactor is activated and soon after water is let into the steam cylinder As soon as the electrodes in the cylinder are covered with water it is being heated and the fully automatic operation commences During the start up phase or after a new replacement cylinder has been fitted the maximum water level can be attained When Niveau max has been reached the inlet valve closes This is a normal occurrence during the steam cylinder s concentration phase The length of this phase can differ it lasts until the cylinder has reached the nominal rating When the Niveau max is attained it will be indicated by a red flash in the green colour of the LED 6 2 Setting the output limitation Button manual ads 2 eo oo PAN 33 34 r 1 PT A O O Potentiometer O mm Coding switches o 9 o 3 4 5 9444 00000 6 7 8 9 10 121314 15 16 O i Fig 6 1 6 3 LED Display The steam output can be set step le
10. econoVap steam humidifier has been designed and constructed in accordance with the latest technology and the accepted safety regulations The user is obliged to pay attention to these safety instructions as well as the specific regulations for installation and the safety and accident prevention regulations in the country of operation The operating instructions should always be readily available at the place of operation of the humidifier All installation and service work must be done only by persons qualified to perform such work Proper use The steam humidifier econoVap is intended solely for indirect or direct air humidification according to this manual Used in any other way beyond this description is contrary to its intended usage The manufacturer supplier cannot be held responsible for any damage resulting there from Alterations to the humidifier Without NORDMANN s written approval no alterations must be made to the humidifier Only original spare parts and options are allowed to be used Safety signs Attention Warning Danger This sign warns of a possible dangerous situation Disregarding this warning can lead to an injury of the operator or to a damage to the instrument Attention Voltage This sign warns of dangerous electrical voltage Disregarding this warning can lead to danger or injury of the user 2 How the humidifier works NORDMANN humidifiers use ordinary tap water to produce steam The water is converted directly in
11. f off automatically and the failure message U2 continuously red appears on the LED display 7 Maintenance Regular servicing helps to maintain the operation of the humidifier The following work must be carried out by qualified personnel 7 1 Regular checks e Inspect the steam cylinder Are there any deposits in the steam cylinder gt Remove the drainage strainer and flush the cylinder thoroughly with tap water without chemical additives Replace the strainer after cleaning Are the electrodes worn gt Replace the steam cylinder Inspect all hoses steam condensate and water hoses also inside the unit Is the installation correct Are all clamps still fastened tightly Inspect the intake and drainage valves gt If worn or covered with scale deposits the valve must be replaced Inspect the drainage cup Clean or replace if necessary 7 2 Rectifying faults The humidifier produces insufficient or no steam Following causes are possible The humidity controller is not demanding any steam production e There is no water in the steam cylinder because the water supply is interrupted The filter or the nozzle in the inlet valve is blocked or damaged The cylinder is worn out and needs to be replaced e The contactor coil is defective 7 3 Replacing the steam cylinder The serviceable life of the steam cylinder depends on the actual operation time and the hardness of the tap water used The cylinder s
12. hould be replaced when the system message U1 cylinder service appears on the LED display flashing green Under certain circumstances the cylinder can still be used before it has to be replaced Proceed as follows Empty the cylinder by pressing the drainage button e Let the cylinder cool down For the following procedures the equipment must be disconnected from the power supply Loosen the hose clamp on the head of the cylinder and then remove the steam hose Remove the electrode plugs from the cylinder Push the cylinder up and remove it e Check the seal O ring in the cylinder admission and replace if necessary To fit the new cylinder reverse above procedure Connect the heating cables to the electrode pins according to the coloured dots for cylinders up to 3 electrodes respectively as shown in Fig 7 1 cylinders with 6 electrodes Restart the humidifier according to section 6 1 start up 14 white white Fig 7 1 7 4 Taking the humidifier out of operation If the humidifier is out of operation for a longer period of time e g in summer or when the air conditioning system is not operating the steam cylinder must be emptied and the power supply disconnected 8 Options All options can be fitted either at the factory or subsequently Proportional adaptor The steam output of the econoVap can be set anywhere between 20 and 100 The proportional adaptor can be simply inserted
13. o exceed 1 5 meters Dimensions of the steam blowers 4 23 kg h Fig Type A B C D E F G mm mm mm mm mm mm mm 3 10 4 8 kg h 230 205 220 145 165 022 08 3 11 15 23 kg h 310 275 295 255 285 35 08 Fixing holes for the Dimensions of the steam blowers 4 23 kg h steam blowers 4 23 kg h Type A B A 4 8kg 100 130 en 15 23kg 180 240 l N m Ou Ej A C Fe e NR U LJ Hi wi C Fig 3 9 Fig 3 10 Fig 3 11 Dimensions of the Turbo steam blowers 32 45 und 65 kg h Fig Typ A B C D E F G H J 3 12 32 kg h 200 505 255 0 35 M10 185 235 35 08 3 13 45 65 kg h 200 505 255 35 M10 185 235 2x 35 08 E B C E l Fig 3 12 3 3 Fitting the humidifier For the fitting of the humidifier use the material supplied with the unit Observe the various minimum distances as indicated in figure 3 5 Ensure that there is sufficient room to perform servicing and maintenance work and that the unit is easily accessible To facilitate such work mount the unit at eye level We recommend that the unit is installed as near as possible to the steam distribution pipe The highest degree of efficiency is attained when the humidifier is linked to the steam distribution pipe by the shortest possible steam hose 3 4 Fitting the steam distribu
14. ss from 20 to 100 capacity For setting the output limitation the electric compartment must be opened and the potentiometer on the electronic print must be adjusted Turning clockwise increases the steam output and turning anticlockwise reduces the steam output The output ex works is set at 100 The electronic controls unit of the econoVap monitors the operation of the humidifier continuously All operating conditions and system indications are shown with the two colour LED The status of the LED can be shining continuously or flashing in the red and green colours 12 6 4 System and servicing indications LED shining green continuously Operation Humidification is demanded The humidifier operates automatically Without demand of humidity the LED remains dark red flash in the shining green Niveau max attained Occurs when the Niveau max sensor is activated This causes a momentary closure of the inlet valve LED blinking red green red green Manual drainage open Manual drainage is activated the drainage button has been pressed LED blinking green Cylinder service U1 The steam cylinder can no longer attain the nominal output and needs to be cleaned or perhaps replaced refer to chapter 7 3 This is purely a servicing code the unit does not switch off automatically The humidifier continues to function at a reduced output LED shining red continuously Excess current U2 Whenever there is excess current 140
15. t as short as possible It should not be possible to block or obstruct the steam supply lines in any way Furthermore they must be protected from outside interference e g deformities kinking etc After the hose has been laid it is advisable to re check everything when the hose is warm It is equally important to avoid condensation pockets in the hose Any curves should have as large a radius as possible Installation Material If a hose is used for the steam line it must be the original one supplied by NORDMANN If other hoses are utilised NORDMANN cannot be held responsible for any damage that may occur Wrong installation A hose clamp should be used to link the hose to the steam distri bution pipe When laying the steam hose in pipes cable ducts etc their resi stance to high temperature min 100 C must be ensured All insulation material must also be checked for its resistance to high temperature If the steam line installed is of copper small radii should be avoi ded wherever possible Every bend causes an additional resi stance A steam line of copper must have the same diameter as the hose If the steam lines are long with a lot of bends and a relatively high internal duct pressure water may be continuously forced out of the steam cylinder which impairs the performance Possible installation
16. take to the rovl aeg s r Qz b aa humidifier to prevent the rapid built up of impediments in the fine filter of the inlet valve Zu Drainage cup3 7 314 3 8 Fine filter provided by customer 5 Electrical connections 5 1 Safety instructions All work pertaining to the electrical installation must be carried out by qualified personnel only Before performing any electrical work all power to the humidifier must be disconnected Please observe local regulations concerning electrical installations The installation must be fitted with a device which disconnects the unit with a contact opening of at least 3 mm on all phases from the mains power supply NORDMANN humidifiers are designed to be connected to the earth lead and are categorised as belonging to protection class 1 for electrical equipment The connection details are provided in the wiring diagrams for each type of unit Each unit is supplied with the appropriate wiring diagram 5 2 Control voltage The standard control voltage of 220 240 V is taken from terminals L1 and N of the heating voltage A 1 6 A Fuse F1 is located on the electronic control board 5 3 Heating voltage The cross section of the electrical wires and the minimum fuse size should be chosen in accordance with the connection requirements cf technical specifications of the type of humidifier employed The electric supply cables must be connected to the unit s terminals correctly W
17. tion pipe General guidelines for the installation The visible jet of steam issued from the steam distribution pipe dissipates in the air only after a certain distance In order to prevent condensation a certain distance to other parts of the installation such as ventilators filters or pipe bends must be maintained The steam distribution pipes can be fitted either vertically or horizontally though it must be ensured that the steam outlets are always vertical to the flow If fitted horizontally these apertures must be at the top An adhesive template is supplied with each steam distribution pipe to facilitate the installation for example in an air duct NORDMANN s steam distribution pipes are designed so that if fitted straight there is automatically a slight decline of 3 9o which ensures that any condensate flows back again min 300 The ends reverse side of mounting plate of the longer steam distribution pipes types 35 900 35 1200 and 35 1500 are Fig 3 14 equipped with an M6 fixing bolt Various fitting methods Fig 3 15 A min 200 Fig 3 16 A min 250 Fig 3 17 A gt 300 B min 150 B 0 5A Fig 3 18 A gt 500 Fig 3 19 A gt 500 Fig 3 20 A min 175 B min 100 B min 150 B min 100 C min 0 15 A Steam distribution pipe fitted on suction side Pressure J compensation Tight fitting rubber bung Stench
18. to steam in a steam cylinder by electrode heating using electrical energy In so doing the water acts as the electrical resistance Vaporisation occurs at atmospheric pressure non pressurised The electronic control system with its microcontroller regulates the vaporisation process in accordance with the reliable principle developed by NORDMANN which allows rapid output changes The humidifier Hydrodynamic adapts itself automatically to the quality of the water used Due to this filling cup ability to set the optimum water concentration in the steam cylinder changes in the steam output are effected by minimal adjustments of the water level allowing the unit to react quickly and accurately to any set point change The use of fuzzy logic technology improves controllabili ty The adaptive control technique regulates the conductivity mineral concentration in the steam cylinder achieving ideal operating conditions while maximising operational reliability The output fluctuations which occur during normal operation are kept to a minimum by the automatic water intake and drainage functions S maximum level sensor E electrode Fig 2 1 3 Installation 3 1 Dimensions Dimensions of the units Type Dimensions Fixing holes Steam outlet Drainage 4 8 kg h 15 32 kg h Fig 3 1 Fig 3 3 Fig 3 2 Fig 3 4 1x0 22 1x0 35 1x0 22 1x 22 45 65 kg h Fig 3 3 Fig 3 4 2x 35
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