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3.3 

Steam humidifier construction

  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  Overflow 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

figure shows medium unit

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Summary of Contents for AT4 13064

Page 1: ...MOUNTING INSTRUCTIONS Steam humidifier Nordmann AT4 2559419 EN 1310 NORDMANN E N G I N E E R I N G...

Page 2: ......

Page 3: ...lation work 27 5 2 Installation overviews 28 5 3 Mounting the unit 30 5 3 1 Notes on locating the unit 30 5 3 2 Mounting the humidifier 32 5 3 3 Inspecting the installed unit 33 5 4 Steam installation...

Page 4: ...on please contact your Nordmann supplier They will be glad to assist you 1 2 Notes on the mounting instructions Limitation The subject of these mounting instructions is the steam humidifier Nordmann A...

Page 5: ...d these mounting 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 m...

Page 6: ...d warranty reasons any action beyond the scope of this manuals must be carried out only by qualified personnel authorised by the manufacturer It is assumed that all persons working with the Nordmann A...

Page 7: ...cked for correct workmanship and the covers has been relocated properly Behaviour in case of danger All persons working with the Nordmann AT4 are obliged to report any al terations to the unit that ma...

Page 8: ...ge 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 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 5 532 x 8 832...

Page 9: ...02 10 Heizspannung 400V 3 50 60Hz Leistung 33 8 kW Dampfleistung 45 0 kg h St Spannung 230V 1 50 60Hz Wasserdruck 1 10 bar Made in Switzerland Type designation Serial number 7 digits Month Year Heati...

Page 10: ...rol 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 Overflow hose 19 Inlet valve 20 Drain pump 21 Drain cup...

Page 11: ...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 flow between the electrodes eventually heating and evaporati...

Page 12: ...es in contact with water the inlet valve closes Drainage Asaresultoftheevaporationprocess theconductivityofthewater increases due to an escalating mineral concentration Eventually an inadmissibly high...

Page 13: ...onnection 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...

Page 14: ...y 10 Service switch control voltage supply building side 11 Service switch heating voltage supply module A building side 12 Service switch heating voltage supply module B building side 13 Steam hose a...

Page 15: ...voltage supply building side 11 Service switch heating voltage supply building side 12 Steam hose accessory DS80 13 Condensate hose accessory KS10 14 Ventilation unit accessory FAN4 N 15 Continuous hu...

Page 16: ...livery 10 Service switch heating voltage supply building side 11 Service switch heating voltage supply module A building side 12 Service switch heating voltage supply module B building side 13 Steam h...

Page 17: ...or with condensate trap 1xCT 2xCT 4xCT Cable glands 1xCG 2xCG 1xCG 2xCG Internal control voltage supply for mains supply with neutral lead 1xS CVI 1xM CVI 1xL CVI Transformer 400V 230V for internal co...

Page 18: ...4 N L W 1x or 2x FAN4 N L W 2x FAN4 N L W 4x FAN4 N L W Steam hose meter DS22 or DS80 FAN4 N DS35 oder DS80 FAN4 N EcoTherm Insulation hose meter ECT22 DS22 or ECT80 DS80 ECT60 DS35 or ECT80 DS80 Cond...

Page 19: ...DV71 in mm 2 in mm 41 200 200 210 400 41 350 71 350 350 400 600 41 500 71 500 500 550 750 41 650 71 650 650 700 900 41 800 71 800 800 900 1100 41 1000 71 1000 1000 1100 1300 41 1200 71 1200 1200 1300...

Page 20: ...efer to chapter 5 4 2 When ordering an MultiPipe system the duct dimension must be specified Please consult the data in the following table MultiPipe Number of steam connectors Max steam capacity in k...

Page 21: ...f fan units are dependent on the steam capacity and on the type of the humidifier and can be gathered from the table in chapter 3 7 1 Note Further information on the fan units FAN4 can be found in the...

Page 22: ...ies with operating instructions according chapter 3 7 packed separately Spare parts list 3 9 Storing Transportation Packaging Storing Store the unit in a protected area meeting the following requireme...

Page 23: ...aximum steam capacity depends on the specific ap plication and the installation The calculated steam capacity based on the above formulas the h x diagram and the condition of the air to be humidified...

Page 24: ...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 5 532 x 8 832 x 15 1532 x 23 2362 x 32 3262 x 46 4662 x 64 6462 x 23...

Page 25: ...ontrol The humidity sensor A1 is preferably located in the exhaust air duct or in the room itself The humidity sensor A2 for the limitation of the supply air humidity is located in the supply air duct...

Page 26: ...ct Air conditioning systems with supply air portion up to 33 System 1 System 1 supply air portion up to 66 System 1 or 2 System 2 or 3 supply air portion up to 100 System 2 System 3 supply air humidit...

Page 27: ...comply with all local regulations dealing with water steam and electrical installations Safety Some installation work requires removal of the unit covers Please note the following DANGER Danger of ele...

Page 28: ...3 50 60 Hz 230 V 1 50 60 Hz 230 V 1 50 60 Hz min 20 G 3 4 G 1 2 125 1250 S cm 1 10 bar 1 40 C G 3 8 40 mm 31 mm 14 7 mm min 300 mm min 300 mm Pmax 1500 Pa Pmin 800 Pa m i n 2 0 0 m m R m i n 3 0 0 m...

Page 29: ...N OFF ON OFF FAN4 N S D FAN4 N M D KS10 FAN4 N S W FAN4 N M W FAN4 N L W DS80 KS10 Z261 min 20 min 20 min 20 G 3 4 G 1 2 125 1250 S cm 1 10 bar 1 40 C G 3 8 40 mm 31 mm 14 7 mm m i n 1 0 0 m m m i n 1...

Page 30: ...13064 Dimensions Housing dimensions in mm X 388 388 468 468 563 563 966 966 563 966 966 Y 255 255 345 345 354 354 354 354 354 354 354 Z 575 575 620 620 640 640 640 640 640 640 640 Weights Net weight i...

Page 31: ...be mounted does not consist of heat sensitive material Install the steam humidifier in such a manner that it is freely accessible with sufficient space available for maintenance purposes refer to the...

Page 32: ...524 532 534 822 824 832 834 1532 1534 2362 2364 3262 3264 4564 6564 a 204 0 mm 205 0 mm 205 0 mm b 40 0 mm 50 0 mm 52 5 mm c 150 0 mm 210 0 mm 260 0 mm b b a c d d c B B B B A A A A A Dimension Unit t...

Page 33: ...ann AT4 operating instruc tions chapter 6 3 1 5 Hang up the unit onto the wall support Then fix the unit to the wall support using the supplied screws B 6 Remount the steam cylinder s see Nordmann AT4...

Page 34: ...ation DV41 DV71 DS35 DS22 KS10 FAN4 N S D FAN4 N M D KS10 FAN4 N S W FAN4 N M W FAN4 N L W DS80 KS10 min 20 min 20 min 20 m i n 1 0 0 m m m i n 1 0 0 m m min 5 min 20 min 20 min 300 mm min 300 mm Pmax...

Page 35: ...58 70 0 8 0 20 1 7 0 45 1 in rh Relative supply air humidity prior to humidification at the lowest supply air temperature 2 in rh Relative supply air humidity after the steam distribution pipe at max...

Page 36: ...the steam distribution system MultiPipe must be used If this is the case contact your Nordmann supplier Minimum distances to be observed To prevent the water vapour that is emitting from the steam dis...

Page 37: ...d at right angles to the airflow If possible the steam distribution pipes should be installed on the pressure side of the duct max duct pressure 1500 Pa If the steam distribution pipes are installed o...

Page 38: ...ns should be observed 1 2 1 2 H H 1 3 2 3 hmin H 2 7 2 7 3 7 H 2 7 2 7 3 7 gmin 1 3 1 3 1 3 H H 1 6 1 6 1 6 1 6 2 6 H 1 2 1 2 H 1 6 1 6 1 6 1 6 2 6 gmin gmin gmin H 1 5 1 5 1 5 1 5 1 5 g min 100 mm h...

Page 39: ...should be insulated to prevent the humidified air from condensing along the duct wall Poor airflow conditions within the air duct e g caused by obstacles tight bends etc can lead to condensation of t...

Page 40: ...1 0 m 1 5 m C approx 2 2 m 2 2 m 2 2 m 2 2 m D approx 1 0 m 1 0 m 1 0 m 1 5 m E min 1 0 m E max max steam hose length 4 0 m recommended 2 0 m Note The minimum spaces in the table apply for a room atm...

Page 41: ...300 mm then lead the hose with a minimum upslope of 20 and or a minimum downslope of 5 to the steam distribution pipe Thecondensatehoseisleddowntothehumidifierwithaminimumslope of 20 in the form of a...

Page 42: ...the steam hose is led with an upslope of at least 20 over a minimum height of 300 mm above the top edge of the humidifier and then down to the steam distribution pipe with a minimum slope of 5 The con...

Page 43: ...team hose is not permissible Steam hoses must be prevented from sagging condensate pockets if necessary support with pipe clamps trough or wall brackets or install a condensate drain in the steam hose...

Page 44: ...ping Use exclusively copper pipe or stainless steel min DIN 1 4301 To minimize the condensate formation loss the steam pipes must be insulated The minimum bend radius for solid pipes is 5 x internal d...

Page 45: ...ly upwards before first bend 2 Minimum bend radius of steam hose of 300 mm not maintained forming of condensate 3 Siphon of the condensate hose not at least 300 mm below the steam distribution pipe 4...

Page 46: ...ructions for hose positioning been followed Steam hose no sagging condensate pocket or condensate drain withsiphon hosebendwithaminimumdiameterof200mm installed at the lowest point Rigid steam lines p...

Page 47: ...lation 5 5 1 Overview water installation Z261 G 3 4 G 1 2 125 1250 S cm 1 10 bar 1 40 C 40 mm 31 mm 14 7 mm min 50 cm Z261 G 3 4 G 3 4 G 1 2 125 1250 S cm 1 10 bar 1 40 C G 3 8 G 3 8 40 mm 31 mm 31 mm...

Page 48: ...not allowed since these additives may endanger health and affect proper operation If the Nordmann AT4 shall be operated with softened or partly sof tened water please contact your Nordmann supplier Th...

Page 49: ...s and pipes properly secured and are all threaded connections securely tightened Is the water system properly sealed Does the water supply installation meet the requirements of the local regulations f...

Page 50: ...P5 Remote Terminal D D GND 5V 24V X15 JP1 JP4 JP5 A1 Continuous controller active or humidity sensor A2 Controller passive set jumper on JP3 5V A3 On Off controller set jumper on JP3 24V A4 Limitation...

Page 51: ...4 JP5 JP1 JP4 JP5 BAT Remote Terminal D D GND 5V 24V X15 JP1 JP4 JP5 from contactor to cylinder J9 J1 J4 J1 X1 J2 J3 5 6 2 Wiring diagram Nordmann AT4 double units A1 Continuous controller active or h...

Page 52: ...d into the unit via the cable openings equipped with cable glands e g option CG cable gland The cable for the heating voltage supply must be lead into the unit from the bottom via the cable opening eq...

Page 53: ...arate heating voltage supplies for each cylinder Heating voltage Max steam capacity kg h Nordmann AT4 Nominal power kW Nominal current A Main fuses F5 A 400V3 400 V 3 50 60 Hz 5 534 3 8 5 4 3x 10 8 83...

Page 54: ...dification system monitoring the opera tion by means of a safety circuit is an absolute requirement To accomplish this the potential free contacts max contact loading 250V 5A of external moni t or ing...

Page 55: ...ected to the contacts IN and GND of the terminal block XE4 in the control compartment Note the control signal must be set via the control software of the hu midifier The admissible control signals are...

Page 56: ...0 5 mm2 The termination of the remote terminal bus is established via the jumpers JP1 JP4 and JP5 on the power boards of the remote terminal and the con nected humidifiers see table below Jumper setti...

Page 57: ...g to the following wiring diagram PE PE SC2 SC1 N L1 X1 F1 6 3 AT SWITCH L1FU N L1SW NSW X2 MAIN SUPPLY MODULE B PE P1 N P X6 AT4 ext M L1 N Q5 K1 XE1 F5 L1 L2 L3 L1 L2 L3 400 V 3 50 60 Hz 230 V 3 50...

Page 58: ...and control voltage correctly fused Are the service switches Q installed in the supply lines for to the heating and control voltage Areallcomponentscorrectlyconnectedaccordingtothewiringdiagram Are al...

Page 59: ...non condensing Admissible duct air pressure 0 8 kPa 1 5 kPa overpressure kit option up to 10 0 kPa Type of protection IP21 Conformity CE VDE GOST Dimensions Weights Width in mm 388 388 468 468 563 563...

Page 60: ...60 6 2 Unit dimensions Nordmann AT4 5 8 Dimensions in mm 115 26 13 164 124 255 60 575 31 G 3 4 50 430 388 230 150 16 29 42 13 30 40 150 40 204 13...

Page 61: ...61 Nordmann AT4 15 23 Dimensions in mm 60 620 31 G 3 4 50 115 155 345 430 468 310 150 16 26 13 209 29 30 40 42 13 210 50 205 255 13...

Page 62: ...62 Nordmann AT4 32 4564 6564 Dimensions in mm 29 30 40 563 365 190 16 60 640 31 G 3 4 50 115 142 190 238 510 42 13 26 13 191 354 255 13 260 52 5 205...

Page 63: ...n AT4 4662 6462 6464 9064 13064 Dimensions in mm 966 365 365 220 16 60 640 31 G 3 4 31 G 3 4 52 52 115 23 118 142 190 238 142 190 238 560 354 13 258 258 363 43 5 203 29 30 40 29 30 325 40 42 13 42 13...

Page 64: ...64 Notes...

Page 65: ...65 Notes...

Page 66: ...Notes...

Page 67: ...Nordmann Engineering Ltd Printed in Switzerland Technical modifications reserved...

Page 68: ...NORDMANN E N G I N E E R I N G Reg No 40002 2 Manufacturer Nordmann Engineering Ltd www nordmann engineering com info nordmann engineering com NORDMANN E N G I N E E R I N G...

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