Related Manuals for Nordmann AT4
Summary of Contents for Nordmann AT4
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Page 1: Operating Instructions
NORDMANN E N G I N E E R I N G nordmann at4 Steam air humidifier Operating instructiOns 2559416 en 1110... -
Page 3: Table Of Contents
Selecting the cylinder type 5.4.5 Configuring the SC system Technical data 5.4.5.1 Activating/deactivating the SC system Wiring diagram Nordmann AT4 5.4.5.2 Setting the operation time of the SC-Pump 9.2.1 Wiring diagram Nordmann AT4 single units 5.4.6 Configuring the capacity limitation 9.2.2 Wiring diagram Nordmann AT4 double units 5.4.7 Configuring the On/Off timer 5.4.8 Water management settings 5.4.8.1 Selecting the conductivity range of the supply water 33... -
Page 4: Introduction
The steam humidifier 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. - Page 5 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.
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Page 6: For Your Safety
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. - Page 7 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.
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Page 8: Product Overview
Product Overview Models overview Steam air humidifiers 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 Model Unit size capacity Nordmann AT4... -
Page 9: Identification Of The Unit
The identification of the unit is found on the type plate: type designation Serial number (7 digits) Month/Year Walter Meier (Climate International) Ltd. 3562 Pfäffikon Heating voltage Type: AT4 4564 Ser.Nr.: XXXXXXX 02.10 Heating voltage: 400V / 3~ / 50...60Hz Power: 33.8 kW Maximum steam capacity per unit Steam capacity: 45.0 kg/h... -
Page 10: Steam Humidifier Construction
3.3 Steam humidifier construction figure shows medium unit Steam cylinder compartment Filling and draining hose Control compartment Water supply hose Main contactor Overflow hose Power board Inlet valve Connecting terminals Drain pump Drain cup Type plate Remote operating and fault indication board (option) Steam cylinder receptacle Cable openings Drain hose (manual drain) -
Page 11: Functional Description
Functional description The steam humidifier Nordmann AT4 is a pressureless steam generator that utilizes an electrode heating. The steam humidifier Nordmann AT4 is designed for air humidification via a steam distributor (steam distribution pipe, fan unit or steam distribution system MultiPipe). - Page 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.
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Page 13: Humidification System Overview
3.5 Humidification system overview System overview duct humidification (single units) MultiPipe System 1 System 2 DV41 DV71 DS22 DS35 KS10 DV71 DS35 KS10 Z261 125...1250 µs/cm 1...10 bar Z261 1...40 °c Steam humidifier Water drain hose (included in the delivery) steam connector Service switch control voltage supply (building side) Water supply connector Service switch heating voltage supply (building side) - Page 14 System overview duct humidification (double units) DS35 DV71 KS10 Z261 MultiPipe System 4 125...1250 µs/cm 1...10 bar 1...40 °c Steam humidifier Service switch control voltage supply (building side) steam connector Service switch heating voltage supply module A (building side) Water supply connectors Service switch heating voltage supply module B (building side) Water drain connector Steam hose (accessory “DS35”)
- Page 15 System overview room humidification (single units) Turbo 32 Turbo 45 Turbo 65 DS35 DS35 KS10 KS10 FAN4 N-S FAN4 N-M Z261 Z261 125...1250 µs/cm 1...10 bar 1...40 °c Steam humidifier Water drain hose (included in the delivery) steam connector Service switch control voltage supply (building side) Water supply connector Service switch heating voltage supply (building side) Water drain connector...
- Page 16 System overview room humidification (double units) Turbo 65 Turbo 45 Turbo 65 Turbo 45 KS10 DS35 KS10 Z261 125...1250 µs/cm 1...10 bar 1...40 °c Steam humidifier Water drain hose (included in the delivery) steam connector Service switch heating voltage supply (building side) Water supply connectors Service switch heating voltage supply module A (building side) Water drain connector...
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Page 17: Operation
Menu depending on the conductivity of the water) steam is produced. Note: If the Nordmann AT4 is operated with water of low conductivity it may happen that the maximum steam capacity is not reached in the first few hours of operation. This is normal. As soon as the conductivity has reached a sufficient level (due to the vaporisation process) the humidifier will reach the maximum steam capacity. -
Page 18: Notes On Operation
Notes on operation 4.2.1 Function of the display and operating elements Display and control unit Function: Configuration of the Nordmann AT4 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). -
Page 19: Remote Operating And Fault Indication
Notes on the operation at ambient temperatures ≤ 0°C If during operation ambient temperatures ≤ 0°C must be expected (opera tion of the Nordmann AT4 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 5.4.8.3). -
Page 20: Carrying Out Manual Draining
6. if ambient temperatures ≤ 0°C must be expected when the unit is out of operation (operation of the nordmann at4 in a protective housing outside the building): drain the water supply pipe and the water filter (filter valve). -
Page 21: Working With The Unit Control
Working with the unit control Note: if you are working with the optional remote terminal read chapter 5.7 “Working with the remote terminal” first. the operation of the remote terminal deviates in some points from the operation at the humidifier and some adjustments are blocked via the remote terminal for safety reasons. -
Page 22: Operating The Control Unit And Menu Overview
– Modbus settings Main Menu Menu Engineering Setpoint :50%rH User :Set The engineering level requires special knowledge and may only Engineering :Set be served by a Nordmann service technician. Diagnostic :Set Hauptmenü Setpoint :50%rH User :Set Engineering :Set Diagnostic :Set... -
Page 23: Interrogation Of The Operating Information In The Indication Level
Info page 1: Standard operating display The appearance of the standard operating display depends on the actual operating status and the configuration of the Nordmann AT4. The following display are possible. Standard operating display with control via the external controller... -
Page 24: Unit Settings
Unit settings 5.4.1 Launching the unit settings menu Select the unit settings menu: Path: Main menu > User > Password entry: 3562 > Settings AT4 130kg/h 400V3 Main Menu User Settings User :Set Maintenance :Set Language :English Standby Engineering :Set... -
Page 25: Selecting The Signal Source
5.4.3.1 Selecting the signal source Select “SignalSource” in the control settings menu, then press the <Set> key. Settings Controls SignalSource Language :English SignalSource:Analog Analog Controls :Set Hum.Control :Int.(PI) Analog Cylinder :6564 Controlsign.:0-10V Modbus SC-System :Set Setpoint :Set Power Limit :Set P-Band :18%rH In the upcoming modification dialogue select the desired signal source. -
Page 26: 5.4.3.4 Configuring Humidity Setpoint
Note: This menu item is available only if the internal P or PI controller is activated. With the parameters in the “Setpoint” submenu you determine whether the Nordmann RC4/DC4 is to be controlled with a fix humidity setpoint (factory setting) or whether it is to be operated timer controlled with different humidity setpoints. -
Page 27: Setting The Proportional Range For The Internal P/Pi Controller
If the timer is activated, up to eight switching points (events 1 8) with different humidity setpoints can be defined. Each switching point is defined by a weekday or weekday range, the switching point and the humidity setpoint. Configuration notes: –... -
Page 28: Selecting The Supply Air Limitation Signal
5.4.3.9 Selecting the supply air limitation signal Note: This setting is available only if the external controller or the internal P or PI controller and the supply air limitation are activated. Select “Limitsignal” in the control settings menu, then press the <Set> key. Settings Controls Limitsignal... -
Page 29: Selecting The Cylinder Type
5.4.4 Selecting the cylinder type Note: this function is not available via the optional remote terminal. Select “Cylinder” in the settings menu, then press the <Set> key. Settings Cylinder Language :English 6564 Controls :Set 3262 Cylinder :6564 3264 SC-System :Set 4564 Power Limit :Set 6564... -
Page 30: Setting The Operation Time Of The Sc-Pump
5.4.6 Configuring the capacity limitation With the parameters in the “Power Limit” submenu you determine whether the Nordmann AT4 is to be operated with a fix capacity limitation (factory setting) or whether it is to be operated with a timer con trolled capacity limitation. - Page 31 – Operation with timer controlled capacity limitation: Select “Power Limit” in the settings menu, then press the <Set> key. Settings Power Limit Timer Cylinder :6564 Timer :Off SC-System :Set Power Limit :50%rH Power Limit :Set On/Off Timer :Set Water Manag.:Set Power Limit Timer Event 1...
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Page 32: Configuring The On/Off Timer
5.4.7 Configuring the On/Off timer With the parameters in the “On/Off Timer” submenu you determine whether or not (factory setting) the Nordmann AT4 is to be switched on and off timer controlled. – Deactivate On/Off timer: Select “On/Off Timer” in the settings menu, then press the <Set> key. Let the timer deactivated (Off) or deactivate the timer if necessary. -
Page 33: Water Management Settings
5.4.8 Water management settings Select “Water Manag.” in the settings menu, then press the <Set> key. Settings Water Manag. Power Limit :Set Conductivity:>125µS On/Off Timer :Set Drain Factor:1.0 Water Manag.:Set Idle Operat.:Set Date :11-08-31 Force Drain :On Time :12:00 Force Delay :72h The water management settings appear. -
Page 34: Setting The Operating Mode For Standby Operation
5.4.8.3 Setting the operating mode for standby operation – Idle only operation In this operating mode the cylinder is not emptied in standby operation. Select “Idle Operat.” in the water management settings submenu, then press the <Set> key. in the upcoming submenu select “Idle Mode”, then press the <Set>... - Page 35 • “Drain Delay”: period of time in standby operation after which an automatic cylinder drain ing (partial or complete) takes place. Factory setting: 72 h Setting range: 1...720 h Important: with outdoor operation it is mandatory to set the period of time in standby operation after which an automatic cylinder draining takes place to 1 hour.
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Page 36: Activating/Deactivating The Forced Draining
– Standby operation with anti freeze function In this operating mode the water in the cylinder is warmed up so far in standby operation that the water in the cylinder cannot freeze. Note: the keep warm function works only, if the external safety chain is closed. Therefore this func tion may not be used for outdoor operation. -
Page 37: Setting The Time Of Operation After Which A
5.4.8.5 Setting the time of operation after which a forced draining takes place Select “Force Delay” in the water management settings submenu, then press the <Set> key. Settings Water Manag. Force Delay Power Limit :Set Conductivity:>125µS 72 h On/Off Timer :Set Drain Factor:1.0 72 h Water Manag.:Set... -
Page 38: Modbus Settings
Modbus settings Select the Modbus menu: Path: Main menu > User > Password entry: 3562 > Modbus AT4 130kg/h 400V3 Main Menu User Modbus User :Set Maintenance :Set Networking :Set Standby Engineering :Set Settings :Set Remote :Set Diagnostic :Set Modbus :Set 2011-08-31 12.00.00... -
Page 39: Settings For The Communication With The Optional Remote Terminal
:None1 Remote Settings :Upload Note: This function is intended only for the service technician of your Nordmann representative. – Settings for the communication with the optional remote terminal Note: this function is not available via the optional remote terminal. Select “Remote” in the Modbus submenu, then press the <Set> key. Then, adjust the settings for communication with the optional remote terminal as follows. -
Page 40: Diagnostic Functions
Interrogation of the error history The error messages generated by the last 20 malfunctions that occurred are saved in the error history list of the Nordmann AT4 and can be interrogated. Select the error history list: Path: Main menu > Diagnostic > ErrorHistory... -
Page 41: Interrogation Of Unit Information
Select the list with the unit information: Path: Main menu > Diagnostic > Unit Status press < > and < > keys, in order to select the unit information available in the list: AT4 130kg/h 400V3 Main Menu Diagnostic Unit Status... - Page 42 5.6.3 Performing remote relay tests Select the remote test: Path: Main menu > Diagnostic > Remote Test Main Menu Diagnostic AT4 130kg/h 400V3 Remote Test User :Set ErrorHistory:Set Standby Remote Steam Engineering :Set Unit Status :Set Diagnostic :Set Remote Test :Set Modul-A Test:Set 2011-08-31 12.00.00...
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Page 43: Working With The Remote Terminal
Remote Units:8 Menu remote terminal ErrorHistory:Set Remote terminal settings (see chapter 5.7.2) HistoryReset:Set Baudrate :9600 Humidifier 1 Indication level humidifier 1 AT4 130kg/h 400V3 AT4 130kg/h 400V3 AT4 130kg/h 400V3 AT4 130kg/h 400V3 Standby Power Limit :100% Cylindertype:6564A Software :1.00LA00... -
Page 44: Remote Terminal Settings
5.7.2 Remote terminal settings 5.7.2.1 Selecting the dialogue language Select “Language” in the main menu, then press the <Set> key. Main Menu Language Language :English English Remote Units:8 English ErrorHistory:Set German HistoryReset:Set French Baudrate :9600 Italian In the upcoming modification dialogue select the desired dialogue language. After confirmation, the unit automatically switches to the selected dialogue language. -
Page 45: Resetting The Error History List Of The Remote Terminal
press the <Esc> key several times to quit the error history list and to return to the standard operating display. 5.7.2.4 Resetting the error history list of the remote terminal Select “HistoryReset” in the main menu, then press the <Set> key. Main Menu Historyreset Remote Units:8... -
Page 46: Maintenance
Prevention: Before carrying out any maintenance work set the Nordmann AT4 out of operation as described in chapter 4.4 (switch off the unit, dis connect it from the mains and stop the water supply) and secure the unit against inadvertent powerup. -
Page 47: Maintenance List
Maintenance list To maintain operational safety the Nordmann AT4 steam humidifier must be maintained at regular intervals. This is differentiated between the first main- tenance after approx. 500 operating hours (I), steam cylinder replace- ment after the yellow LED lights (II) and annual maintenance (III). -
Page 48: Removing And Installing Parts For Maintenance
Removing and installing parts for maintenance 6.3.1 Removal and installation of the steam cylinder 1. undo the screw fixing the front panel to the unit using a screwdriver, then remove the front panel. 2. Release the hose clamp on the steam hose using a screwdriver, then detach the steam hose from the steam outlet connection of the steam cylinder. - Page 49 5. Carefully lift steam cylinder away from the cylinder receptacle, then remove it to the front. CAUTION! Put steam cylinder down carefully to avoid damage to the lower con nection piece! 6. Carefully pull the drain screen out of the drain outlet of the steam cyl inder.
- Page 50 Installation of the steam cylinder follows the reverse sequence. Observe the following: – Before installing the steam cylinder in the unit, check the Oring of the cylinder receptacle for damage and replace if necessary. – Moisten the Oring of the cylinder receptacle with water (do not use grease or oil), then insert steam cylinder into the socket and push it down to the stop.
- Page 51 6.3.2 Removal and installation of the drain cup 1. Remove overflow hose from the connector on the water cup. 2. Remove grounding cable from the grounding lance. 3. Release the hose clamp, then remove water drain hose from the con nector on the water cup.
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Page 52: Removal And Installation Of The Water Cup And The Water Hoses
6.3.3 Removal and installation of the water cup and the water hoses For removing the water cup and the water hoses the steam cylinder must be removed first (see chapter 6.3.1). 1. Release hose clamps, then disconnect all hoses from the corresponding connectors and remove the hoses. -
Page 53: Removal And Installation Of The Drain Pump
6.3.4 Removal and installation of the drain pump For removing the drain pump the steam cylinder must be removed first (see chapter 6.3.1). 1. Detach electric cables (polarity of the cables must not be observed). 2. Release hose clamps and remove the hoses from the connectors. 3. -
Page 54: Removal And Installation Of The Inlet Valve
6.3.5 Removal and installation of the inlet valve For removing the inlet valve the steam cylinder must be removed first (see chapter 6.3.1). 1. Detach electric cables (polarity of the cables must not be observed). 2. Release hose clamp and remove the hose from the connector. 3. -
Page 55: Removal And Installation Of The Cylinder Receptacle
6.3.6 Removal and installation of the cylinder receptacle For removing the cylinder receptacle the steam cylinder must be removed first (see chapter 6.3.1). 1. Release hose clamps and remove hoses from the connectors. 2. Pressin the locking ring on the end of the check valve, then remove check valve together with the hose from the corresponding connector on the cylinder receptacle. -
Page 56: Notes On Cleaning The Unit Components
Notes on cleaning the unit components Unit component What to clean and how to clean Water hoses • Remove any limescale by slightly knocking on the tubes using a rubber hammer. Then, rinse the tubes well with hot tap water. Inlet valve •... - Page 57 Unit component What to clean and how to clean Drain screen of the steam cylinder • Remove any limescale from the drain screen using a brush (do not use a wire brush) and remove loose limes cale inside the drain connector of the steam cylinder. If the drain screen is heavily calcified, place it in an 8% formic acid solution (observe safety notes in chap- ter 6.5), until the limescale comes off.
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Page 58: Notes On Cleaning Agents
After completing maintenance work, the maintenance indication (yellow LED lights) must be reset: 1. Select the maintenance menu: Path: Main menu > User > Password: 3562 > Maintenance Main Menu User Maintenance AT4 130kg/h 400V3 User :Set Maintenance :Set HistoryReset:Set Standby... -
Page 59: Fault Elimination
W21 Cyl.Max.Level Menu Info The control of the Nordmann AT4 checks whether there is a temporary problem (e.g. water supply interrupted for a short time) or whether it can resolve the problem by taking necessary measures. If the cause of the malfunction disappears of its own accord or if the control can repair the malfunction, the alarm message will automatically switch off. -
Page 60: Malfunction Lists
A and module B. E5: Module B missing Wrong hardware settings ––– ––– False test run parameters. Let your Nordmann service technician adjust Error lights the test run parameters (heating voltage, E9: Illegal Settings Cylinder-No.). Hardware fault –––... - Page 61 7.2.2 Unit faults Warning Error Cause Remedy Display Display External safety chain is open red and ––– ––– Ventilation interlock open. If applicable, check/turn on ventilation Warning green system. W20: Safety Loop Open flash Air flow monitor triggered. Check ventilator/filter of the ventilation system.
- Page 62 Warning Error Cause Remedy Display Display Max. admissible electrode Max. admissible electrode current exceeded current exceeded ––– Drain pump defective. Inspect drain pump, replace if necessary. Warning Error lights Drain in steam cylinder blocked. Replace the steam cylinder. W25: Excess Current E25: Excess Current Water conductivity too high for the selected Select correct steam cylinder type.
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Page 63: Resetting The Error Indication (Red Led Lights)
Malfunctions relating to the electrical installation (e.g. replacement of the backup battery, replacement of fuses) must be repaired by authorized per sonnel or by your Nordmann representative’s service technician only. Repair work and the replacement of faulty components must be carried out... -
Page 64: Replacing The Backup Battery On The Control Board
Replacing the backup battery on the control board 1. Set the Nordmann AT4 out of operation as described in chapter 4.4, disconnect it from the mains and secure the unit against inadvert- ent power-up. 2. Undo the screw of the front cover of the control compartment, then remove the front cover. -
Page 65: Taking Out Of Service/Disposal
Taking out of service/Disposal Taking out of service If the Nordmann AT4 must be replaced or if the humidification system is not needed any more, proceed as follows: 1. Take the unit out of operation as described in chapter 4.4. -
Page 66: Product Specifications
2xCT.. 4xCT.. Internal control voltage supply 1xSCVI 1xMCVI 1xLCVI @Link at4 @Link at4 Accessories Filter valve 1x Z261 Nordmann AT4 Remote Terminal Steam distribution pipe 1xDV41... 1xDV71... 2xDV71... 4xDV71... Steam distribution system MultiPipe ––– system 1 system 2 system 4 Fan unit FAN4 NS... -
Page 67: Wiring Diagram Nordmann At4
Wiring diagram Nordmann AT4 9.2.1 Wiring diagram Nordmann AT4 single units... -
Page 68: Wiring Diagram Nordmann At4 Double Units
9.2.2 Wiring diagram Nordmann AT4 double units... - Page 69 Notes...
- Page 70 Notes...
- Page 71 © Nordmann Engineering Ltd. 2011, Printed in Switzerland Technical modifications reserved...
- Page 72 Dampfluftbefeuchter E N G I N E E R I Reg.No. 40002-2 Manufacturer: Nordmann Engineering Ltd. NORDMANN Talstr. 35-37, P.O. Box, CH-3562 Pfäffikon (Switzerland) Phone +41 55 416 66 06, Fax +41 55 416 62 46 E N G I N E E R I N G...