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1. Fig 4 az function alarm event number alarm event time alarm event description alarm event date 1 2 3 4 4 5 7 Initialisation The Initialisation submenu is used to access the screen for restoring the humidifier default parameters and changing the installer password gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 5 STARTING SHUTTING DOWN AND ADVANCED FUNCTIONS 5 1 Start up Procedure and sequence I O switch power Fig 5 a ON After having closed the disconnect switch on the humidifier power supply line switch the appliance on by moving the rocker switch to position I The start up sequence then begins which includes an initial stage followed by operation of the appliance Fig 5 a After the unit has been switched on the graphic display shows the screens in the sequence described in the figures below 1 Start power supply and system boot around 10 seconds Nothing is displayed Fig 5 b Fig 5 b 2 Language setting around 30 seconds In this stage the user has 30 seconds to change the language see Fig 5 c To go directly to the next stage press ESC Fig 5 C 3 Humidifier setup wizard When starting gaSteam a brief wizard is displayed prompting the user to select the basic configuration for humidifier operation Press ALARM to confirm the settings displayed and exit the screen Fig 5 d Specificall
2. Fig 2 1 2 2 Pin strip position on the board for probe configuration Fig 2 m pin strip configuration position Oto 10 Vdc 0 to 1 Vdc 4 to 20 0 2 to 10Vdc to 20 mA NTC probes JS5 main probe 65 gt oE g basic configuration JS6 limit probe foo E39 basic configuration Tab 2 b 2 3 Using other brand probes Different brand probes can also be used with the output signals selectable from the following standards voltage 0 to 1 Vdc 0 to 10 Vdc 2 to 10 Vdc e current 4 to 20 0 to 20 MA In addition the minimum and maximum values of the signal must be set see par 4 4 4 A 15 Vdc power supply is available for the probes terminal 3U The control signals must be connected e for the control probe HT or TT to terminal 1U the earth reference for which is GND 2U e for the limit probe CH to terminal 5U the earth reference for which is GND 6U e for the current probe to terminal 4U the earth reference for which is GND 6U Important warnings e To avoid unstable control the earth of the probes or the external controllers must be connected to the earth on the appliances controller For the operation of the humidifier the terminals corresponding to the remote ON OFF signal must be connected to an enabling contact or jumpered default solution If these terminals are not connected all the internal and external devices managed by the controller are disabled wi
3. device and as such is automatically detected and managed by the control board The pGD1 graphic display 32 columns x 8 rows also comes with backlighting 4 1 1 Keypad ah 2 Fig 4 a button function 1 ALARM list of active alarms and reset any alarms shown 2 PRG access the main menu 3 ESE return to previous screen display 4 UP circular navigation inside the menus the screens the parameters and the values of the parameters from the main screen access the INFO screens select and confirm like the Enter key on a computer keyboard from the main screen access the SET screen circular navigation inside the menus the screens the parameters and the values of the parameters from the main screen access the warning screens 5 ENTER 6 DOWN Tab 4 a 4 1 2 Main screen symbol function 1 indicates unit operating status 2 indicates current production 3 value read according to the type of signal connected 4 value read by the limit humidity probe 5 indicates the status of burner 1 6 indicates the status of burner 2 7 indicates the water level in the boiler 8 indicates the status of the scheduler 9 Info screen icon 10 Quick Set screen icon 11 indicates the alarms in the log alarm log icon Tab 4 b gaSteam controller 030220931
4. 4 4 Installer From the main screen press e PRG to access the main menu UP DOWN to move between the submenus ENTER to enter the submenu e ENTER to select the parameter and move between the parameters e UP DOWN to modify the parameter e ENTER to confirm the selected parameter and go to the next parameter e ESC to return to the previous menu To navigate inside the screens e UP or DOWN to modify the value within the options range ENTER to confirm and move the cursor to the next value e ESC to return to the main menu The Installer menu provides access to the Installer parameters for general humidifier configuration D Installer Configuration Regulation Settings SuPervision settings Burners calibration Installer settings gaSteam controller 030220931 rel 1 6 06 12 2013 4 4 1 Configuration The Configuration menu contains all the Installer parameters corresponding to the general humidiher configuration These must only be modified by qualified personnel Configuration parameters CAREL Screen Display Range Default UOM Accessible Description ON OFF contact External proportional signal Control mode Alice DIO Always Humidifier control mode see Chap 7 1 6 Humidity Limit humidity Temperature control Ext sig Lim Humidit
5. Prod attuale 35 Fig 5 9 Slave 2 Diagram example 1 PO 80 Prod attuale 50 Example 1 UE X plus na PO 100 Prod attuale 100 Prod attuale 100 up to 20 Slave units Fig 5 j Master Slave 1 PO 100 Prod attuale 100 Connection between UG Master amp UG Slave PO 100 nti Use shielded cable for the connection 1 I Slave 2 I I _ I UG PE SIGNAL I Master MET SIGNAL I PO 100 EE GND I I I I I up to 20 Slave units Fig 5 h Diagram example 2 Example 2 PO 100 Prod attuale 100 Master Slave 1 PO 50 Prod attuale 50 PO 100 Prod attuale 100 Fig 5 k PO 100 Prod attuale 100 up to 20 Slave units Fig 5 i 27 gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 6 ALARMS TROUBLESHOOTING 6 1 Alarms When an alarm is activated the the alarm button on the terminal comes on to indicate that there is at least one active alarm In the event of potentially dangerous alarms the controller automatically stops the production of steam For some alarm events as well as the signal the alarm relay is activated as described in 3 1 If the causes of the alarm are no longer present the humidifier and alarm relay can be reset automatically or manually depending on the type of fault see Tab 6 a while the message displayed is cancelled manually Even if no longer active the alarm status cont
6. Fig 4 ax 25 Symbol function 1 burner name 2 manual request for corresponding burner enable manual management of corresponding burner 3 4 manual request for corresponding burner 5 fan feedback on corresponding burner read only Tab 4 ah 4 5 5 Hour counter settings The Hour Counter Settings submenu is used to display humidifier operating hours divided into three different counters e Unit Burner 1 Burner 2 180kg h only The unit hour counter represents the overall humidifier operating hours irrespective of which and how many burners have been operated It refers to all the common devices on the humidifier which operate independently of which and how many burners are on for example fill valve drain pump The burner hour counters on the other hand refer to the devices related to the operation of the individual burner such as the fan flame ignition board Fig 4 ay Info shown on Value and notes Default unit of display meas Hour counter heading Unit hours unit hour counter reading 0 h Burn 1 hours burner 1 hour counter reading 0 h Burn 2 hours burner 2 hour counter reading 0 h 180kg h only Reset hour heading 2 counter Burner 1 reset burner 1 hour counter 0 Burner 2 reset burner 2 hour counter 0 Tab 4 ai 4 5 6 Alarm log The Alarm Log submenu shows the log of past alarm events highlighting the date and time of the event
7. kg h e Installer settings Fan speed of the corresponding fan rom T flue gas __ flue gas discharge temperature SG i Op hours operating hours of the corresponding burner h E Maintenance Date and date and time Information time Change Language Tab 4 d Service Settings Descriptions e OFF Burner off e PRE PURGE Burner in pre purge stage a Ineut Quteut b Working Hours Set e PRODUCTION Burner in steam production stage E Alarm History e ALARM Burner alarm d Initialization Fig 4 f 4 1 4 Quick set screen Used to set the main values of the humidifier From the main screen press 4 3 User menu e ENTER to access the menu e ENTER to move from one value to the next UP and DOWN to modify the selected value e ENTER to confirm and move to the next value From the main screen press e PRG to access the main menu UP DOWN to move between the submenus ENTER to enter the submenu ENTER to select the parameter and move between the parameters e UP DOWN to modify the parameter e ENTER to confirm the selected parameter and go to the next parameter e ESC to return to the previous menu To navigate inside the screens UP or DOWN to modify the value within the options range ENTER to confirm and move the cursor to the next value Fig 4 e ESC to return to the main menu Info shown Value and notes Default Unit of The user menu comprises three su
8. See setting the operating sequence of the two burners UG180 Enable unit Enable unit maintenance warning after 6 6 maintenance warning 509 Yes Always exceeding the threshold of 1500 hours Tab 4 1 4 4 3 Type of probe 4 4 2 Control mode configuration This parameter is used to choose between 5 different control modes as listed in the table below parameter display description for a detailed description see name par 7 2 Type of ON OFF contact Humidity control with humidistat control External prop signal Proportional control with signal set by an external controller Humidity control Humidity control with room probe Humidity Limit Humidity control with room probe and humidity limit probe Temperature control Temperature control with room probe Ext sig Lim Humidity Proportional control with signal set by an external controller and limit humidity Tab 4 m gaSteam controller 030220931 rel 1 6 06 12 2013 Sets the type of probe or the type of signal applied parameter name display description Main probe not accessible 0 1V if control mode is ON OFF 2 10V contact 0 10V 0 20MA 4 20MA 0 1350 135 10000 Humidity control external proportional signal NTC 0 1V 2 10V 0 10V 0 20mA 4 20mA Temperature control 16 Tab 4 n CAREL 4 4 4 Room humidity or temperature probe configurat
9. To speed up the start of steam production irrespective of the type of control set the unit always preheats the water in the boiler During this stage with the unit on and steam demand production is at the maximum possible value for the model in question until the water reaches a temperature of 80 C Once having reached this preheating threshold production is modulated according to need gaSteam controller 030220931 rel 1 6 06 12 2013 4 4 17 Setting the production ramp Fig 4 ab Info shown on Value and notes Default unit of display measure Control heading Production ramp Production ramp time setting 0 Min Min prod 100 Frost protection Enable frost protection Disabled Set point Frost protection set point 7 0 SCH Tab 4 x During operation the steam request may change depending on the readings of the probes or the signal from the external controller The speed at which the humidifier shifts to the new request can be slowed down by setting the Prod ramp parameter on this screen The value set for the parameter causes the following behaviour e parameter set to 0 the control logic uses an internal ramp 30 s to shift from one request to the next parameter set to a value other than 0 the logic recalculates the fan speed variation step based on the assumption that to change from 0 to 100 of production must take the time set for this parameter 4 4 18 Frost protection
10. rel 1 6 06 12 2013 Descriptions e PRODUCTION Steam production in progress e ALARM Steam production disabled due to an alarm e OFF FROM SUPERVISOR Steam production disabled from the Supervisor e OFF FROM SCHEDULER Steam production disabled during the set time band e OFF FROM REMOTE Steam production disabled by opening the Remote ON OFF contact e OFF FROM KEYPAD Steam production disabled from the keypad e MANUAL MANAGEMENT I O active manual management e ACTIVE AUTOTEST autotest function in progress e READY Unit ready for operation but no steam demand e PRE PURGE pre purge actived e ANTIFREEZE antifreeze actived e PRE HEATING water pre heating actived Icons dep Burner off Burner in pre purge stage Burner in steam production stage Burner alarm Burner waiting to be launched Icons level of the water is below the low level Gl level of the water in the boiler is in low level Kl level of the water is in medium level aa level of the water is in high level During the fill drain water and autotesting operation will appear on the icon a flashing message to highlight the operations in progress Drain during the drain for dilution e Fill during the fill of the water e Auto Test during the autotest process 4 1 3 INFO screens read only Series of read only screens for displaying the main unit status values To access press UP from
11. CAREL 4 4 13 Setting the fan speed Fig 4 w Info shown on Value and notes Default unit of display measure Control heading Fan speed in Fan speed setting at minimum 1900 depending Rom minimum prod production on the model Rated Fan speed setting at rated 5150 depending Rom production on the model Pre Purge Fan speed setting in pre 3450 depending Rpm purge on the model Tab 4 u Speed at minimum and rated production These values are set by default by the manufacturer to ensure a correct air gas mixture with natural gas Pre purge speed The pre purge speed is shown in RPM and is normally set by the manufacturer based on the features of the combustion system and the gas fuel NOTE These parameters must be set by expert personnel 4 4 14 Drain due to inactivity Fig 4 x Info shown on display Value and notes Default unit of measure Control heading Fill valve size Flow rate of the water fill 10 depending on l h valve the model Fill drain ratio Ratio between fill and drain 10 Hour threshold Operating hour threshold 24 h to activate drain due to inactivity Tab 4 v The drain due to inactivity is used to completely empty the water from the cylinder if the cylinder does not produce steam for a period set on the screen 24 hours by default The function is enabled by default NOTE The operating hour threshold for activation of the drain cycl
12. bands Fig 4 info shown value and notes Default unit of on display mea sure Scheduler Enable scheduler No On Off Global set Global set point setting 50 rH rH point 30 C 86 F CPF Tab 4 h Note When ON OFF programming is enabled the value of the reference scheduler set point is shown The reference set point is set on the main screen When the scheduler is active the display shows the clock symbol l Fig 4 k info shown value and notes Default unit of on display mea sure Scheduler heading Day time band day HA enable disable time band 09 00 time band start time ON SET type of band ON ON SET OFF 50 0 time band set point Tab 4 i Six time bands for unit on and off and set point variation can be selected over a 24h period Tab 4 j CAREL With this configuration On Monday e At 08 00 the humidifier is switched on with a set point of 65 0 rH different from the global set point configured on the Quick Set screen e At09 00 the set point changes to 50 0 rH global set point configured on the Quick Set screen e At 12 00 the humidifier is switched off e At 14 00 the humidifier is switched on with a set point of 65 0 rH e At 15 00 the set point changes to 50 0 rH global set point e At 20 00 the humidifier is switched off It then stays off until the first ON setting the next day
13. can provide complete control over the ambient relative humidity The dehumidification contact is connected via terminals 13U 14U on terminal block U as shown in Fig 3 b For further details see par 4 4 11 electrical specifications 250 Vac Imax 8 A resistive 2 A inductive Tab 3 b 13U NC 14U C Fig 3 b gaSteam controller 030220931 rel 1 6 06 12 2013 3 4 Remote terminal The display terminal can be detached from the humidifier and moved to another place Depending on the distance required the following are necessary up to 50 metres 6 wire telephone cable and two EMC filters code 0907858AXX see Fig 5 a up to 200 metres two CAREL TCONN6J000 boards 6 wire telephone cables and an AWG20 22 shielded cable with 3 twisted pairs for the connection of the two boards Fig 5 b Remote connection of the terminal up to max 50 m humiSteam 5 n a 5 00000000 EA E Fig 3 c Key 1 telephone cable up to 50 m distance 2 EMC filters code 0907858AXX to be applied to the ends of the telephone cable 3 remote display terminal Remote connection of the terminal up to 200 m humiSteam 0000000 SC Fig 3 d 1 telephone cable up to 0 8 m distance 2 CARELTCONN6000
14. parameter A2 for the room probe and the production connected or damaged alarm setting of parameter AO see chap 4 EA Pre alarm EA Foam alarm excessive foam in the the formation of foam is generally due to automatic inactive signal only Foam cylinder during the the presence of surfactants in the water boiling phase lubricants solvents detergents water treatment or softening agents or an excessive concentration of dissolved salts e purge the water supply lines e clean the cylinder check for the presence of a softener in this case use another type of water or reduce the softening EU Pre alarm Cylinder full cylinder full signal with with the unit off automatic inactive signal only Boiler Full unit off e check for any leaks from the fill solenoid valve or the return of condensate from the pipe check that the level sensors are clean EE Alarm Test alarm Autotest failed make sure that the unit receives water 1 8 Manual active stop Auto Test alarm probable problems in bars 0 1 0 8 MPa 14 5 116 PSI switch the production burners off water supply level control e make sure that the unit drains water unit off and or water drain cycle e switch the unit off and clean the level on again control and the fill valve the pump and the a drain filter ES Alarm NTC probe NTC water temperature check operation of the preheating function automatic active preheating NTC probe not connected disconnected measurem
15. precautions and able to perform the required operations correctly may install operate or carry out technical service on the product Only water with the characteristics indicated in this manual must be used for steam production All operations on the product must be carried out according to the instructions provided in this manual and on the labels applied to the product Any uses or modifications that are not authorised by the manufacturer are considered improper CAREL declines all liability for any such unauthorised use Do not attempt to open the humidifier in ways other than those specified in the manual Observe the standards in force in the place where the humidifier is installed The appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Do not install and use the product near objects that may be damaged when in contact with water or condensate CAREL declines all liability for direct or indirect damage following water leaks from the humidifier Do not use corrosive chemicals solvents or aggressive detergents to clean the inside and outside parts of the humidifier unless specifically indicated in the user manual Do not drop hit or shake the humidifier as the inside parts and the linings may be irrep
16. relative humidity is less than the set point by a value at least equal to the differential H differential can be programmed by setting the Max Product parameter from 20 to 100 of the rated output of the humidifier in operation with the parallel sequence and from 10 to 100 in operation with the series sequence see par 4 3 5 The minimum production Min Prod 10 or 20 depending on the operating sequence selected has an activation hysteresis hy equal to 2 of the range The dehumidification function if enabled par 4 4 11 overlaps the control diagram and is activated when the relative humidity rH sent by the transducer is higher than St by a set amount dehum offset the hysteresis of the step also programmable is dehum diff To check that the relative humidity measured by the transducer is within certain preset values two alarm thresholds can be set in autonomous control gt high relative humidity alarm threshold e low relative humidity alarm threshold When these thresholds are exceeded an alarm is activated after a delay of 60 seconds GO 1 steam production dehumidification 2 activated 4 deactivated O H differential ST Dehum diff Dehum offs Autonomous control with relative humidity probe and outlet humidity limit probe The controller modulates steam production as a function of the rH measurement performed by the relative humidity trans
17. the Main screen There are four INFO screens to move from one screen to the next press UP or DOWN Press ESC to return to the Main screen Fig 4 c info shown value and notes unit of measure on display info Unit__ heading Production current unit production kg h Water cond water conductivity value measured uS cm2 Water type type of water used Dil drain number of evaporation cycles before running a cycles drain to dilute Unit hours operating hours of the GaSteam unit h Date and date and time time Tab 4 c CAREL Note 4 2 Main menu The type of water used can be selected by the installer if choosing treated default the number of evaporation cycles before running a drain to dilute cycle will also be displayed Da SD Een Buttons UP and DOWN navigation inside the submenus screens and range of values and settings ENTER confirm and save the changes made e ESC to go back pressed more than once returns to the Main screen Bla Clock Eon E Scheduler C Alarm Thresh Fig 4 d il D Installer a Configuration info shown value and notes unit of mea bo Pesa liga Cabrip s on display sure info Burner heading c Supervision settings Status operating status of the corresponding burner d Burner s calibration Production current production of the corresponding burner
18. when the pre alarm threshold is used to switch off the burner in certain situations such as drain cycles that last too long activation is brought forward to 4 seconds Automatic draining Automatic draining is managed by the controller part of the water contained in the cylinder is drained automatically and replaced with fresh water to prevent an excessive concentration of salts following the process of evaporation The drain pump is operated for a set time when the number of fill evaporation cycles exceeds a limit calculated automatically based on the conductivity read by the conductivity meter Antifoam procedure With certain types of supply water foam may form during the production of steam just above the water this situation must be resolved as it may cause water to be released together with the steam For this purpose two electrodes are fitted on the ceiling of the cylinder When these electrodes detect the presence of foam a drain procedure is started to resolve the problem The procedure consists of repeated drain cycles while in more extreme situations the foam present pre alarm is shown Dehumidification request signal If activated this function closes the contact of a relay when the relative humidity measured by the transducer connected to the control module exceeds the set threshold This signal can be used to start an external dehumidification appliance also see par 3 2 Automatically empty the cylinder
19. 5 6 Fig 4 an Symbol function unit operating status 3 2 manual fan speed 3 fan speed no 1 4 fan speed no 2 180kg h only Tab 4 ad NOTE The calibration menu can only be accessed if the humidifier is not in alarm status Fig 4 a0 e If an alarm is activated during calibration either guided or manual the procedure will stop and the corresponding warning screen will be displayed Fig 4 ap e If during calibration no button is pressed for 5 minutes the procedure will be interrupted and the unit will return to normal operation gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 4 4 23 Installer settings Il The Installer Set submenu is used to change the installer password default 77 Fig 4 aq and enable the unit configuration wizard at start up Fig 4 ar NOTE When restoring the default values the installer password will be reset to 77 4 5 Maintenance The Maintenance menu comprises two submenus showing information with free access and the Service Parameters submenu only accessed after entering the maintenance password default 77 E Maintenance a Information b Change Language Co Service Settings Fig 4 as 4 5 1 Information The Info submenu shows the main info on the humidifier s electronic controller Fig 4 at Info shown on display Value and notes Default unit of measure I
20. CR b operation by external mechanical humidistat H c a combination of the two H CR Fig 2 a a Remote Action b Remote Action Remote Action ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF 7U 8U 9U 10U 7U 8U 9U 10U 7U 8U 9U 10U ae ele ale ae ae ae E L CR CR E DH Fig 2 b b Type P control proportional control with signal sent by an external controller Steam production is managed by an external controller R which sends the controller a humidity request signal Fig 2 c the controller can be programmed to receive one of the following proportional signals see par 7 2 voltage 0 to 1 Vdc 0 to 10 Vdc 2 to 10 Vdc e current 0 to 20 MA 4 to 20 MA The reference zero of the external controller must be connected to the GND terminal 2U and the control signal to terminal B1 on terminal block U To avoid unstable control the earth of the external controller must be connected to the earth of the controller This type of control can also be used with an enabling contact CR connected to the Remote ON OFF terminal Fig 2 c gaSteam controller 030220931 rel 1 6 06 12 2013 External regulator Fig 2 d c Type H control humidity control
21. Fig 4 ag NOTE On selecting the type of gas the humidifier automatically sets all the control parameters for correct operation with that specific family of Info shown on display Value and notes Default unit of gas mea sure Burner calibration GUIDED BMS config heading Guided calibration is a step by step procedure that helps the installer BMS network ID number Serial address of the device 1 correctly set up the burner Baud rate Communication speed 19200 Bps Fidelio i Protocol Communication protocol Carel RARA Sir Sid Offline alarm delay Delay for activation of the 60 sec 1 Calibration at maximum fan speed maximum output delivered by supervisor offline alarm the humidifier Tab 4 aa 2 Calibration at minimum fan speed minimum output delivered by the humidifier Baudrate Protocols 3 Verification of calibration at maximum output e 1200bps e Carel _ e 2400bps e ModBus e 4800bps LonWorks e 9600bps RS232 analogue modem connection e 19200 bps GSM GSM modem connection Fig 4 ah Fig 4 ak Symbol function Info shown on display Value and notes Default unit of 1 name of the calibration stage meas 2 unit operating status wait signal BMS config heading 3 fan speed no 1 Enable ON OFF from enable ON OFF from the No 4 fan speed no 2 180kg h only supervisor supervisor 5 CO2 calibration values Enable control from superv enable control fro
22. Note The same configuration can be copied to the other days of the week by pressing PRG COPY Note If the type of control is set as ON OFF External proportional signal or Proportional value from the supervisor the global set point and the time band set point settings will not be available The scheduler function can still be used as follows e OFF during this stage the humidifier will be off ON during this stage the humidifier will operate based on the room humidity request signal external proportional signal the on off digital input ON OFF control mode or the request from the supervisor proportional value from the supervisor 4 3 3 Alarm threshold humidity or temperature control only The alarm threshold submenu available only with humidity humidity limit or temperature control mode is used to set the high and low room humidity temperature alarm thresholds and if the limit probe is fitted the high humidity limit alarm threshold Fig 4 1 info shown on value and notes Default unit of display mea sure Alarm threshold heading Low humidity low humidity temperature threshold 10 rH Rh temperature alarm EE High humidity high humidity temperature threshold 90 rH Rh temperature alarm 60 C LEE High limit high limit humidity threshold alarm 100 rH rH humid ON SET type of time band ON ON SET OFF 50 0 time band set point Tab 4 k
23. SOCY NEMI 11 66 RR nt tre tere E OE e 11 4 USER INTERFACE 12 4 1 pGD1 graphic display CAREL P N PGD1PHOFO00 12 A E OR ORA RR T 13 ASUS Meets 13 AAN a E E 15 A SMAI MaN CS A 24 5 STARTING SHUTTING DOWN AND ADVANCED _ FUNCTIONS O 26 Ae ena 26 5 2 Shutting GOW the UN rana 26 5 5 Manually draining the DONE nn 26 5 4 Cascading control of other units 26 6 ALARMS TROUBLESHOOTING 28 I ciano 28 6 2 Alarm management and signal 28 7 OPERATING AND CONTROL PRINCIPLES OTHER FUNCTIONS 31 FARO ido o uni 31 L IN S aerea notorias 31 13 NET MUCUS nenne 2 7 4 Controlling the board via the network 35 5 gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 1 GENERAL CHARACTERISTICS OF THE MAIN CONTROL BOARD Fig 1 a This is a microprocessor electronic controller developed by CAREL for the management of all models of humidifier It is made up of two electronic boards positioned one on top of the other and connected together by pin strip bottom board main control board connected to the board with the microprocessor and the clock card as well as the serial card top board or expansion board The controller is designed to run the control program and is fitted with the set of terminals required for connection to the controlled devices for example valves power contactors and to the field probes external controller The program and the param
24. This option can be very useful in applications that feature the installation ofthe gaSteam outdoors especially in colder countries where there is the real risk that if no steam is requested the water inside the boiler might freeze For this reason an option has been added that starts heating the water if the temperature measured by the NTC probe is too low The humidifier must be activated and continuously connected to the power and gas supplies excluding any interruptions The frost protection function acts as illustrated in the following graph Fig 4 2 Max Prod u hyst 5 C Min Prod Set Nofrost 7 C Fig 4 ac Key 1 reference for the burner 2 NTC temperature When enabled the frost protection function like preheating starts the burners even when the unit is Off gaSteam controller 030220931 rel 1 6 06 12 2013 22 CAREL 4 4 19 Dehumidification Fig 4 ad Info shown on display Value and notes Default unit of meas Control heading Enable dehumidify Enable dehumidification No Alarm relay logic Operating logic of the alarm relay N O Drain maintenance Enable maintenance alarm Yes warning Tab 4 y The dehumidification function is only possible if terminals 13U 14U on terminal block U are connected electrically to a dehumidifier see par 3 2 By default dehumidification is not enabled During normal operation dehumidification may occur only if the fol
25. arably damaged CAREL adopts a policy of continual development Consequently CAREL reserves the right to make changes and improvements to any product described in this document without prior warning The technical specifications shown in the manual may be changed without prior warning The liability of CAREL in relation to its products is specified in the CAREL general contract conditions available on the website www carel com and or by specific agreements with customers specifically to the extent where allowed by applicable legislation in no case will CAREL its employees or subsidiaries be liable for any lost earnings or sales losses of data and information costs of replacement goods or services damage to things or people downtime or any direct indirect incidental actual punitive exemplary special or consequential damage of any kind whatsoever whether contractual extra contractual or due to negligence or any other liabilities deriving from the installation use or impossibility to use the product even if CAREL or its subsidiaries are warned of the possibility of such damage DISPOSAL The humidifier is made up of metal parts and plastic parts In reference to European Union directive 2002 96 EC issued on 27 January 2003 and the related national legislation please note that 1 WEEE cannot be disposed of as municipal waste and such waste must be collected and disposed of separately 2 the public or private waste collection sy
26. arts End day when changeover ends In at month and hours when changeover ends Tab 4 g Daylight saving management requires a number of parameters to be set to ensure correct operation Changeover time parameter that determines the number of minutes added to or subtracted from the time on changing to DST Start identifies the day and time when changeover starts This is a relative setting not based on the date but rather the day of the corresponding week Four fields must be entered to set this parameter e Week selection options available First Second Third Fourth Last e Day selection e Month selection e Changeover start time The same settings are required for the end of the changeover changing back from DST gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 4 3 2 Scheduler To navigate around the screen e UP or DOWN to modify the value within the options range ENTER to confirm and move the cursor to the next value e ESC to return to the main menu Inside the scheduler setting screen e UP or DOWN to modify the value within the options range ENTER to confirm and move the cursor to the next value e PRG from first field to copy the scheduler settings to the next day ESC from any parameter to return to the first field ESC from the first field to return to the main menu The Scheduler submenu comprises two screens used to enable disable the function and set the time
27. asured 5 INT R BURNER1_STATUS Burner 1 status 6 INT R BURNER1_ACTIVITY Burner 1 activity 2 INT R BURNER2_STATUS Burner 2 status 8 INT R BURNER2_ACTIVITY Burner 2 activity 9 INT R RUNNING_HOURS_H1 Burner 1 operating hours x1000 10 INT R RUNNING_HOURS_L1 Burner 1 operating hours 11 INT R RUNNING_HOURS_H2 Burner 2 operating hours x1000 12 INT R RUNNING_HOURS_L2 Burner 2 operating hours 13 INT R RUNNING_HOURS_GH GaSteam operating hours x1000 14 INT R RUNNING_HOURS_GL GaSteam operating hours 15 INT R MODEM_STATUS Modem status 16 INT R LANGUAGE Language selected 17 INT R HOUR Current hours 18 INT R MINUTE Current minutes 19 INT R DAY Current day 20 INT R MONTH Current month 21 INT R PYEAR Current year 22 INT R WEEK_DAY Current day of the week 23 INT R W REGULATION_TYPE Type of control 24 INT R W AMBIENT_PROBE_TYPE Room probe type 25 INT R W ROTATION_TYPE Type of rotation 26 INT R W PREHEATING_TYPE Type of preheating 27 INT R W BMS_ADDRESS Identifier number for BMS Network 28 INT R W BAUD_RATE Communication speed 29 INT R W PROTOCOL_TYPE Type of protocol 30 INT R W CYL_SEQUENCE Type of management requested parallel series 31 INT R OUTLET_GAS1 Flue gas temperature 1 32 INT R OUTLET_GAS2 Flue gas temperature 2 Tab 7 c Address Type Access Variable name Description 1 ANA R VIS_VALUE Control probe signal 2 ANA R W AMBIENT_PROBE_MIN Room probe configuration minimum limit 3 ANA R W AMBIENT_PROBE_MAX Room probe config
28. ation production Burner off alarm T gt 180 with scale on related burner EL Pre alarm EL Level sensor Level sensor Scale on the sensor carry out maintenance on the level sensor automatic inactive activate auto blocked blocked warning procedure EL Alarm Level sensor No more attempts to carry out maintenance on the level sensor manual active stop Level sensor fault blocked alarm unblock roduction CL Pre alarm Drain warning Filter blocked level sensor carry out maintenance automatic inactive signal only Drain maintenance tube blocked drain pump malfunctioning CL Alarm Drain alarm Filter blocked level sensor carry out maintenance manual active stop Drain maintenance tube blocked drain pump production broken E01 Alarm pCOe Offline Expansion card damaged check serial board connections and correct manual active stop Expansion card offline or not connected power supply to the expansion production A01 Alarm NTC flue NTC probe for measuring check the probe connections manual active stop A02 Flue gas temperature gas probe flue gas temperature not production probe 1 2 broken or disconnected connected or not working on related disconnected burner 29 gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL Code Message displayed Meaning Cause Solution to the problem Reset Alarm Action 2 alarm relating to cylinder 2 re
29. be NTC preheating probe error 39 R mPreAl_High_Conductivit High conductivity pre alarm 40 R mLow_Level_Alarm Minimum level alarm 41 R mAutotest_Alarm Autotest alarm 42 R mAl_Pre_High_Outlet_Gas1 High flue gas temperature pre alarm burner 1 43 R mAI_Pre_High_Outlet_Gas2 High flue gas temperature pre alarm burner 2 44 R mal_ov_fan1 Fan 1 high speed alarm 45 R mal_ov_fan2 Fan 2 high speed alarm 46 R W Res_Al Reset alarms 47 R MAN_Low_Level_Alarm Level sensor blocked 48 R mAl_Outlet_Gas_Probe_1_Broken Flue gas temperature probe on burner 1 disconnected or not working 49 R mAl_Outlet_Gas_Probe_2_Broken Flue gas temperature probe on burner 2 disconnected or not working en R Low_Level Low float level sensor 58 R Medium_Level Medium float level sensor 59 R High_Level High float level sensor 60 R Foam_Level Foam level sensor 62 DIG R mAl_Missing_Flame_Brn1 No flame burner 1 63 DIG R mAl_Missing_Flame_Brn2 No flame burner 2 64 DIG R mAl_UnitMaintenance 1500 burner operating hours exceeded Tab 7 b 33 gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL Address Type Access Variable name Description 1 INT R UNIT_STATUS Humidifier status 2 INT R FAN_RPM Fan 1 speed 5 INT R FAN_RPM2 Fan 2 speed 4 INT R COND_PARAM Conductivity me
30. bled Offset 2 0 to 20 0 3 0 FF If preheating is enabled Hysteresis 2 0 to 5 0 2 0 IE If preheating is enabled Min prod ramp Setting of ramp time to increase from minimum 100 MIT y dh au production to 100 see chap 4 4 17 6 7 East pioieutioh no 2A i Aways Enable the frost protection function see chap yes 44 18 Set point Er a 7 0 C 44 6 F E If frost protection is enabled Frost protection temperature set point Enable dehumidify _ no Always Enable function dehumidification l N O l 7 7 Alarm relay logic NC N O Always Operating alarm relay logic en el en yes a Always Enable drain maintenance warning warning yes 4 4 10 Initial autotest This is an automatic procedure used to check the correct status ofthe fill valve drain pump and level sensor The procedure is as follows e the boiler is filled until reaching the highest level of the level sensor e a drain cycle is performed until reaching the lowest level of the level Sensor The procedure is completed without activating the burners IMPORTANT In these conditions the autotest occurs whenever the controller is switched off and on again 19 Tab 4 r 4 4 11 Rotation of steam request between the two burners UG180 only Fig 4 u gaSteam controller 030220931 rel 1 6 06 12 2013 Info shown on display Value and notes Default unit of measure Control heading Enable autotest Enable autotest Yes Type
31. bmenus which can be accessed without on display mea entering a password sure Quick Set Heading Set point Temperature or humidity set point 50 rH or 30 C rH or 86 F C F ae Scheduler Status Auto in control or OFF Auto Maximum Maximum capacity available as a 100 Alarm Thresh prod percentage of rated capacity Fig 4 9 Prop band __ Proportional band modulation 10 0 rH Limit probe Limit humidity limit probe 100 0 rH Prop band Proportional band for the limit probe 50 rH modulation Tab 4 e 4 1 5 Warnings screen The warnings screen displays messages generated by events that are resolved independently and the complete alarm log see 4 5 4 and 6 1 13 gaSteam controller 030220931 rel 1 6 06 12 2013 4 3 1 Clock The Clock submenu comprises two screens used to set the time the date the date format and manage the daylight saving time Fig 4 h info shown _ value and notes Default unit of on display mea sure Clock heading Day day ofthe week set automatically Date format date format dd mm yy Date Current date Time Current time h Tab 4 f Fig 4 i Info shown Value and notes Default unit of on display measure Clock heading Daylight enable function Enabled saving Changeover changeover difference in minutes 60 Min time Start day when changeover starts In at month and hours when changeover st
32. board 3 pinstripJ14 and J15 in position 1 2 power supply available on the telephone connectors A B and C and screw SC 4 WG20 22 shielded cable with 3 twisted pairs to move the display terminal up to 200 m away Connection to the TCONN6JOO board terminal SC function 0 EARTH shield 1 VRL 2 GND 3 RX TX 4 RX TX 5 GND 6 VRL 5 remote display terminal CAREL 3 5 GSM network connection send SMS The humidifier can be configured to send SMS message for alarms and malfunctions see menu installer gt supervisor gt GSM protocol humiSteam Fig 3 e Key 1 electronic board PCOIOOMDMO to be connected to connector J19 on the humidifier board 2 e CAREL GSM kit PLWOP65MO0 made up of e 2 a modem 2 6 antenna with magnetic base e 2 c serial cable e 2 d power supply 3 SIM card to be inserted in the modem Make sure that the access password PIN number is not enabled 3 6 Supervisory network The controller can also be connected to a supervisory system via RS485 RS232 serial lines or FTT10 LON using the optional cards shown in the following table optional cards characteristics supported protocols PCO1000WBO provides BACnet 8802 3 Ethernet BACnet BACnet IP and MS TP connectivity PCO1000BAO Provides BACnet MS TP over RS485 BACnet PCO100MDMO used for the direct interface of the CAREL for controller to an RS232 network with remote an external modem co
33. dition to observing the above warnings and suggestions the following warnings must be heeded for the correct use of the product DANGER OF ELECTRIC SHOCK The humidifier contains live electrical components Disconnect the mains power supply before accessing inside parts or during maintenance and installation DANGER OF WATER LEAKS The humidifier automatically and constantly fills drains certain quantities of water Malfunctions in the connections or in the humidifier may cause leaks DANGER OF BURNS The humidifier contains high temperature components and delivers steam at 100 C 212 F In the event where there is no demand for steam production for a period exceeding 24 hours the unit will automatically empty the cylinder so as to avoid stagnation of the water inside It is recommended to manually empty the cylinder before switching off the unit at the main switch The conditions of the environment the fuel and the power supply voltage must comply with the specified values All other uses and modifications made to the appliance that are not authorised by the manufacturer are considered incorrect Liability for injury or damage caused by the incorrect use of the appliance lies exclusively with the user Please note that the appliance is connected to the gas mains contains live electrical devices and hot surfaces All service and or maintenance operations must be performed by specialist and qualified personnel who are aware of the nece
34. ducer however in addition steam output is limited if the relative humidity rH2 measured by a second compensation transducer placed in the air duct downstream from the humidifier exceeds the maximum desired value The compensation probe has its own set point L set point and differential L differential based on which the limit in production is calculated see Fig 7 0 gaSteam controller 030220931 rel 1 6 06 12 2013 The overall steam production is equal to the difference between the steam request from the main transducer and the request from the compensation transducer To prevent the relative humidity measured by the transducer in the air duct downstream from the humidifier exceeding a value considered as excessive in this control mode a high outlet relative humidity alarm threshold can be set also see par 4 3 4 This threshold is equal to the sum between the limit set point L set point and an offset High Offset When this threshold is exceeded an alarm is activated after a delay of 60 seconds Limite di produzione Production limit Banda proporzionale Proportional Band Pmax Pmin Sonda in mandata rH2 Limit probe rH2 L set point Fig 7 c Proportional control with compensation probe to limit outlet humidity The production of steam hourly quantity is proportional to the value of a signal Y from an external device the type of signal as for standa
35. due to extended inactivity If the cylinder remains on but without steam production for a number of days equal to the value set for the parameter described in par 4 4 11 default 3 days the controller completely empties the water contained inside the cylinder This function prevents the corrosion of the electrodes due to saline water if the humidifier is not operated for extended periods The function can be disabled see par 4 4 11 Automatic resumption from no water If the supply of water is interrupted mains water stoppage fault in the osmosis or softening system the controller stops normal operation and enters a special phase in which production is disabled so as to avoid dry operation In this situation the return of the supply water is checked every 10 minutes and production is not resumed until water returns During this phase the EF alarm is displayed CAREL 7 4 Controlling the board via the network The variables shown in the list are only one set of all the internal variables DO NOT CONFIGURE VARIABLES THAT ARE NOT LISTED IN THE TABLE OTHERWISE HUMIDIFIER OPERATION MAY BE AFFECTED Address Type Access Variable name Description 1 DIG R SYSON Syson 2 DIG R FILL_ OUT Fill solenoid valve ON 3 R DRAIN_OUT Drain solenoid valve ON 4 R DEHUMIDIFIC Dehumidi
36. e can be selected from the following options 12 24 36 or 48 h Hours of inactivity do not include the burner being started for frost protection or preheating CAREL 4 4 15 Setting the maximum ratio between the water filled and the water drained for dilution During normal operation the gaSteam periodically performs drain cycles called drain to dilute followed by refilling with supply water These drain cycles have the fundamental task of reducing the high conductivity of the water inside the boiler due to the continuous concentration of salts during the repeated fill evaporation cycles When supplying with untreated water the controller automatically calculates based on the conductivity of the water measured by the conductivity meter or the set conductivity value see 4 4 12 how many evaporation cycles must be completed before performing the dilution Generally the higher the conductivity measured set the higher the number of drain fill cycles will be performed to reduce the concentration of salts in the boiler 4 4 16 Preheating Fig 4 y Info shown on Value and notes Default unit of display measure Control heading Type of Type of preheating Disabled preheating Set point Temperature set point for 80 0 IT preheating Offset Humidity offset to start 3 0 rH preheating Hysteresis Humidity hysteresis to start 2 0 rH preheating Tab 4 w The preheating function is used to keep the wat
37. eeds to be performed on the boiler the exchangers or the burners or alternatively when the humidifier needs to be shut down at the end of the season The sequence to start the manual drain cycle is as follows press the UP and DOWN arrows together for 5 seconds until the drain cycle is activated Once the drain cycle is terminated the humidifier returns to the same operating conditions as prior to the drain cycle NOTE the duration of the complete boiler drain cycle is preset Nonetheless manual drain can be stopped by pressing the UP and DOWN buttons again for 5 seconds If the cylinder needs to be replaced when the manual drain is complete the humidifier must be switched off 5 4 Cascading control of other units Steam production higher than the rated output of the master unit can be achieved by connecting one or more slave units Master UG unit fitted with analogue output for controlling other units Slave UG unit that works based on the analogue signal control received from the master Parameter PO on each unit master or slave uniquely defines the steam production on that unit If the master is disabled by the remote contact or serial connection production on the slaves also stops Some alarms also shut down the Slaves Diagram example 3 Example 3 PO 100 Prod attuale 70 Slave 1 PO 100 Prod attuale 70 20 100 Production calculated from probe or input of UEX PO 50
38. ent probe not and the setting of the parameters deactivated or damaged connected check the connections on the terminal block on the cover of the boiler ED Fan warning 1 2 Fan warning on Fan error check the wiring between the control board automatic inactive reduced fan system 1 2 and the fan speed Ed Alarm Fan alarm on Fan error check the wiring between the control manual active stop Fan alarm 1 2 system 1 2 board and the fan if necessary remove the production burner 1 2 off brushless fan and check operation on related burner Et Alarm Thermostat alarm Safety thermostat stop the unit and perform complete manual active stop Klixon 1 2 on system 1 2 activated due to maintenance on the boiler production burner 1 2 off abnormal overheating on related of the cylinder due to burner operation without water G01 Clock card alarm Clock error General problems with replace the controller manual inactive signal only the clock WO1 Warning High flue gas Excessively high flue gas switch the unit off clean the heat automatic inactive signal only WO02 Alarm High flue gas temp temperature temperature boiler caked exchanger check burner calibration 2 175 lt T lt 180 with scale C01 Alarm High flue gas Excessively high flue gas switch the unit off clean the heat manual active stop C02 High flue gas temp 2 temperature temperature boiler caked exchanger check burner calibr
39. er above a temperature set by the user when no steam production is needed Preheating thus speeds up the return to steam production when next required There are three options 1 Preheating disabled 2 Preheating enabled operation by temperature restriction on rH 3 Preheating enabled operation with temperature control only Operation by temperature restriction on rH In classic operation preheating is controlled depending on the water temperature and is activated according to the value read by the humidity in H control or temperature probes in T control or the signal applied in P control This is enabled by setting TEMP rH from the preheating options Preheating is activated depending on the humidity value measured by the probe and by the operating mode set In C mode ON OFF preheating is never activated In P mode proportional preheating is activated and deactivated depending on the signal applied to the room probe input By default preheating is activated when the signal applied exceeds 3 while it is deactivated when it falls below 1 see Fig 4 u In humidity control mode preheating is activated when the relative humidity falls below the humidity set point preheating offset hysteresis and is deactivated when it rises above the humidity set point preheating offset see Fig 4 u 21 The values of the preheating offset and hysteresis parameters can be changed from the defaul
40. eters are saved in FLASH MEMORY meaning the data is safe even in the event of a power failure without the need for a backup battery The controller can be connected to pLAN pCO Local Area Network and tLAN networks Connection to the supervisor telemaintenance serial line on the RS485 standard is ensured by fitting the controller with optional cards using the CAREL Modbus or ECHELON RS232 and GSM communication protocols Terminal blocks aves GT AA wi EN O 10 20 3U au su uy 7U su WU tov TU 120 130 10 TTT Be m m CAU I 1 31 4 52 62 72 8 I 102 112 122 OOOO AS S Oe eee eee eee y h 15 25 35 45 55 65 75 85 95 105 115 125 135 145 nm eee eS W NY 3Y 4 SY 6Y N 8Y Y OOOO O JA AAA Fig 1 b 7 gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 2 CONTROL SIGNALS FROM THE FIELD 2 1 Humidity or temperature control The humidifier can be configured to ensure the desired humidity or temperature value It can be controlled in the following four different Ways a Type C control ON OFF The humidifier is operated by a mechanical humidistat H by a voltage free remote contact CR or by a combination of the two which must be connected to terminals 7U 8U 9U and 10U on terminal block U in the electrical panel The diagrams in Fig 2 b show the connections to be made in the case of a operation controlled by a simple remote contact
41. fier relay ON 5 R ACT_BURNERI Burner 1 board power relay status 6 R ACT_BURNER2 Burner 2 board power relay status 7 R ACT_FANI Fan 1 power relay status 8 R ACT_FAN2 Fan 2 power relay status 9 ALARM Unit alarm 10 BMS_ON_OFF On Off from supervisor 11 EN_DEHUMID Enable dehumidifier 12 ENABLE_HUM Enable humidifier 13 RES_HOUR_BURNI Reset burner 1 hour counter 14 RES_HOUR_BURN2 Reset burner 2 hour counter 15 RES_HOUR_GASTEAM Reset GaSteam hour counter 16 MANUAL_DRAIN Manual drain 17 EN_AUTOTEST Enable autotest 18 EN_NO_FROST Enable frost protection 19 MEASURE Unit of measure 20 DIG R mal_ambient_probe Control probe error 21 DIG R mal_clock Clock card error 22 DIG R mal_fan1 Fan 1 alarm 23 DIG R mal_fan2 Fan 2 alarm 24 DIG R mal_foam_level Foam alarm 25 DIG R mal_full_boiler Boiler full alarm 26 DIG R mal_hig_conductivity High conductivity alarm 27 DIG R mal_high_humid High temperature humidity alarm 28 DIG R mal_high_outlet_gas1 High flue gas temperature alarm burner 1 29 DIG R mal_high_outlet_gas2 High flue gas temperature alarm burner 2 30 DIG R mal_klixon_fan1 Fan 1 thermal cutout alarm 31 DIG R mal_klixon_fan2 Fan 2 thermal cutout alarm 32 DIG R mal_limit_humid High humidity limit probe alarm 33 DIG R mal_limit_probe Limit probe error 34 DIG R mal_low_humid Low temperature humidity alarm 35 DIG R mal_low_production Low production alarm 36 DIG R mal_maint_global Maintenance recommended 37 R mall_miss_water No water alarm 38 R mal_preheating_pro
42. gaSteam 45 90 180 HD003 45 90 180 HD103 microprocessor electronic controller A to Sn u cai ia a Ens User manual EE READ CAREFULLY IN THE TEXT High Efficiency Solutions CAREL N IMPORTANT WARNINGS The CAREL humidifiers are advanced products whose operation is specified in the technical documentation supplied with the product or can be downloaded even prior to purchase from the website www carel com Each CAREL product in relation to its advanced level of technology requires setup configuration programming commissioning to be able to operate in the best possible way for the specific application The failure to complete such operations which are required indicated in the user manual may cause the final product to malfunction CAREL accepts no liability in such cases The customer manufacturer developer or installer of the final equipment accepts all liability and risk relating to the configuration of the product in order to reach the expected results in relation to the specific final installation and or equipment CAREL may based on specific agreements acts as a consultant for the installation commissioning use of the unit however in no case does it accept liability for the correct operation of the humidifier and the final installation if the warnings or suggestions provided in this manual or in other product technical documents are not heeded In ad
43. he number of evaporation cycles before performing a drain to dilute cycle also needs to be set This is not necessary in the case of mains water as the software determines the frequency of the drain cycles based on the conductivity meter reading or the set conductivity value also see 4 4 11 17 Fig 4 p info shown on value and notes Default unit of display measure Configuration heading Water type Type of water used mains treated Treated Evaporation Number of evaporation cycles tobe 2 cycles before performed before running a drain to draining dilute cycle Tab 4 q 4 4 7 Operating hour limit for maintenance exceeded warning gaSteam features a limit of 1500 humidifier operating hours beyond which maintenance is recommended see MAINTENANCE When this happens the display shows the maintenance warning The warning can be disabled on screen 6 6 of the Installer Configuration menu Fig 4 q 4 4 8 Setting the operating sequence of the two burners UG180 only gaSteam 180 manages operation of two burners in such a way that in steady operation these deliver 180 kg h of steam Ideally gaSteam 180 can be considered as two separate humidifiers each with its own burner and able to produce up to 90 kg h The controller manages these two systems based on the Burner Sequence setting shown in the previous table e PARALLEL mode the steam request is divided equally between the bur
44. hout activating the alarm relay and automatic reset when the condition is no longer present alarm threshold production stops activation of the alarm relay The alarm is activated when the reading exceeds one of the two thresholds continuously for 60 minutes or alternatively instantly if the value read is 3 times higher than the threshold To disable either of these thresholds simply set the corresponding value to a number outside of the held of reading the conductivity meter that is greater than 1500 uS cm gaSteam controller 030220931 rel 1 6 06 12 2013 32 CAREL Measuring the flue gas temperature The temperature of the flue gas is constantly monitored so as to ensure correct operation The field of reading ranges from 0 to 200 C Within these limits a number of operating thresholds are set no production threshold if the flue gas temperature falls below this value it means that the burner is not on and the no production alarm Ep is activated pre alarm threshold first upper threshold above this value the recommended maintenance warning is activated Also used to switch the burner to safety mode following abnormal operation with insufficient water in the boiler alarm threshold above this value production is stopped and the high temperature alarm ER is activated The alarms or warnings are activated ifthe temperature reaches and then stays above these thresholds for at least 20 seconds In the case
45. inues to be indicated until the Reset display button is pressed Alarms that are still active cannot be reset In the event where more than one alarm is active the display indicates all the codes in sequence only if after having pressed the alarm button once the Up or Down button is then pressed 6 2 Alarm management and signals Alarm table Code Message displayed Meaning Cause Solution to the problem Reset Alarm Action 2 alarm relating to cylinder 2 relay BO1 Alarm No flame when whenthe unit ison no check gas pressure and make sure the gas manual active stop No Flame steam is required steam is produced valve is open production e flue gas outlet or air e make sure the air inlet is free inlet blocked e check the fan power connection e gas valve closed burner check operation of the brushless fan the and or controller fault flue gas outlet and the air inlet no gas supply e burner flame malfunction e check the connections between the flame control board and the burner and between electrical panel and flame control e check the connections between the control unit and relay terminal block inside the electrical panel BO2 Alarm Gas card 1 2 The gas card Card malfunctioning or Check the correct wiring and operation of manual active Stop BO3 broken or not working is not working broken the gas card otherwise replace it production properly of relative burner EF Ala
46. ion Used to set the minimum value maximum value and offset for the room probe Fig 4 n info shown on value and notes Default unit of display measure Configuration heading Main probe Type of probe 0 1V Max Maximum probe value reading 100 0 C F rH Min Minimum probe value reading 0 0 C F rH Offset Probe reading offset 0 0 CPF rH Tab 4 0 Note for T control the minimum and maximum probe value settings are only in degrees centigrade The offset on the other hand being the difference between the probe measurement and the reading of a reference thermometer depends on which unit of measure has been set Assuming that the Imperial system has been selected and the measurements read by the probe are 2 F higher than the readings on a reference thermometer To correct this error the offset must be set to 2 0 F 4 4 5 Limit probe configuration This screen is used to set the type of limit probe the minimum value maximum value and offset Fig 4 0 info shown on value and notes Default unit of display measure Configuration heading Limit probe Type of probe 0 1V Max Maximum probe value reading 100 0 rH Min Minimum probe value reading 0 0 rH Offset Probe reading offset 0 0 rH Tab 4 p 4 4 6 Type of water This screen is used to select the type of water used by the humidifier mains or treated If selecting treated water t
47. lay 001 Alarm Only with Signal No messages received e check correct wiring of the serial cable and manual active stop Supervisor offline from supervisor from the supervisor for remove any disturbance production control the more than 30 seconds e make sure less than 30 seconds elapse supervisor is not between transmission of two consecutive available messages from the supervisor WO03 Warning Production 1500 operating hours boiler Maintenance recommended manual active signal only Unit maintenance hour threshold exceeded exceeded warning Tab 6 a 6 2 2 Alarm table The alarms are signalled by the flashing of the alarm button The alarms are reset in the sequence shown in the following table sequence effect Pressed once Display the alarm code NOTE if there are multiple active alarms to display all the alarms after pressing the alarm button the first time press UP or DOWN Pressed a second time If the causes of the alarm are no longer present resets the alarm and the alarm relay in the alarms where this is activated Pressed a third time If the causes of the alarm are no a resets the alarm display and clears the following screen No alarms gaSteam controller 030220931 rel 1 6 06 12 2013 30 Tab 6 b CAREL 7 OPERATING AND CONTROL PRINCIPLES OTHER FUNCTIONS 7 1 Operating principle In a gas hred humidifier the production of steam i
48. lowing conditions are met 1 the dehumidification option is enabled 2 the room humidity probe is connected 3 the humidifier has not been disabled by Remote ON OFF If these conditions are met the dehumidification process is activated depending on the humidity measured based on the dehumidification set point and dehumidification differential parameters as shown in the graph Fig 4 a a Dehumid Dehumid Diff ON OFF rH Dehum Set Fig 4 ae Once dehumidification has been enabled the set point and differential parameters can be modified To do this go to the quick set menu and press DOWN Fig 4 af Info shown on display Value and notes Default unit of meas Quickset heading Dehumidif set point Dehumidification set point 100 0 rH Dehumidif Differ Dehumidification differential 5 0 rH Tab 4 z 4 4 20 Reversing the logic of the alarm relay Normally the alarms that stop the humidifier energise the coil in the alarm relay This logic can be reversed so that the coil remains energised when no alarm is present and is de energised when an alarm is activated CAREL 4 4 21 Supervision Two types of gas can be selected e Natural gas G20 G25 The Supervision submenu contains the configuration parameters for the e e BMS supervisor port and if selected the configuration parameters for the GSM modem Fig 4 aj
49. m the No 6 number of the calibration stage Supervisor Tab ia Tab 4 ab u NOTE o o The first stage starts once the type of gas has been selected the humidifier control from the Per used nn the humidifier by will be switched on if off and operated at the maximum output available sending a Oto 1000 signal that is proportional to the SupervReg_Value The screen will show info on the unit operating status such as pre purge variable Analogue variable 29 available to the supervisor see Chap fan speed and waiting Wait for the humidifier to reach maximum output 7A then calibrate the gas valve see 030220940 chap 5 6 adjusting it so e When enabling control from the supervisor the control mode is that the percentage of CO2 measured is within the range shown on the automatically set to Proportional value from the supervisor screen 4 4 22 Burner calibration The Burner Calibration submenu is used to access the procedure for configuring and calibrating the burners on the humidifier Two types of procedure are available e Guided e Manual Fig 4 al Repeat the operations for the other two steps following the instructions shown on the screen to complete the calibration procedure Fig 4 ai 23 gaSteam controller 030220931 rel 1 6 06 12 2013 Fig 4 am Burner calibration MANUAL The manual procedure is used to set fan operating speed independently For details on this procedure see 030220940 chap
50. modify or change its products without prior notice gaSteam controller 030220931 rel 1 6 06 12 2013 34 NOTE NOTE CAREL CAREL INDUSTRIES HQs Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 e mail carel carel com www carel com Agenzia Agency gaSteam CONTROLLER 030220931 rel 1 6 06 12 2013
51. nd notes Default unit of measure Control heading Override conductivity Conductivity value set 0 uS cm value manually Warning threshold Conductivity warning 1000 us cm threshold Alarm threshold Conductivity alarm threshold 1250 US cm Tab 4 t The conductivity ofthe supply water as well as normally being monitored to prevent excessively conductive water from entering High conductivity alarms see Alarms is also useful for determining the limit of fill evaporation cycles between two drain to dilute cycles A special parameter can be set with a water conductivity value that overrides the value read by the conductivity meter Leaving the default value 0 means the conductivity meter reading will be used A value 0 indirectly affects the maximum number of evaporation cycles between two drain to dilute cycles the lower the set conductivity the higher the maximum number of cycles The limit values for the high conductivity warning and alarm can also be set on the same screen NOTE Supply water conductivity e Override value 0 the controller uses the conductivity measured automatically by the conductivity meter e Override value lt gt 0 the controller uses the value of b4 as the conductivity and IGNORES the value measured by the conductivity meter IMPORTANT this is valid when disabling treated water mode see par 44 6 gaSteam controller 030220931 rel 1 6 06 12 2013 20
52. ners In this case therefore the steam production provided by the two burners is the same e SERIES mode also called sequential if the steam request is less than 50 of the rated production only one burner is operated Only if the request exceeds the 50 does the other burner start As each burner must operate so that the corresponding ideal humidifer produces a minimum of 25 for natural gas 33 for butane propane of the ideal flow rate of 90 kg h SERIES mode naturally offers a wider overall range of modulation of steam production e PARALLEL mode the minimum possible production is 45 kg h SERIES mode minimum production is 22 5 kg h gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL Example of PARALLEL mode 100 50 5 100 50 Pas bD bD 2 bD bD 2 100 Min Prod 100 4 bD Fig 4 r total request production burner 2 total 2 in P control 0 1xPO in H T control total production Key 1 production burner 1 total 2 3 4 5 Example of Series mode bD 2 lt 50 hyst 100 50 y 100 50 pr p 9 nn 5 Pg a eee 5 bD bD 2 bD bD 2 ut g 100 bD 50 100 ODI bD 50 100 bD 2 gt 50 hyst 100 50 lince Key bD bD 2 bD bD 2 1 production burner 1 total 2 total reque
53. nformation heading Model humidifier model Code software code Ver software version Bios BIOS version and date Boot BOOT version and date Tab 4 ae 4 5 2 Change language The Change Language submenu is used to set the language shown on the user interface and enable the change language screen when starting the unit CAREL 4 5 3 Service parameters The Service Parameters submenu is used to access after entering the maintenance password a submenu for setting the humidifier service parameters Co Service Settings Ineut Quteut Working Hours Set Alarm History Initialization 4 5 4 Inputs Outputs The Inputs outputs submenu is used to read all the I Os available on the control board in real time and manage the manual output test procedure I O reading screen Fig 4 av Symbol function 1 type of input 2 input name on the control board 3 description of the input 4 value read by the input Tab 4 af Manual management Digital outputs These screens are used to manually control the device outputs water fill water drain dehumidification alarm and the burners The function can only be activated ifthe unit has been switched ON from the Quick Set screen and is not OFF from digital input or supervisor Fig 4 aw Symbol function 1 enable manual management 2 digital output function 3 digital output status Tab 4 ag Manual management Burners 5
54. nnections PCO10000F0 used to interface of the controller LON Echelon to an FTT10 LON network when suitably programmed Tab 3 c Connection is also possible to TREND systems using a card sold directly by TREND 3 7 Checks The following conditions represent correct electrical connection the rated voltage of the appliance corresponds to the mains voltage e the fuses installed are suitable for the line and the power supply voltage e mains disconnecting switch has been installed so as to be able to disconnect power to the humidifier e the electrical connections have been performed as shown in the diagrams e the power cable is secured to the tear proof cable clamp e terminals 7U 8U are jumpered or connected to an enabling contact e the earth of any non CAREL probes is connected to the earth on the controller if the appliance is controlled by an external controller the earth of the signal is connected to the earth of the controller 11 gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 4 USER INTERFACE 4 1 pGD1 graphic display CAREL P N PGD1PHOFOO The pGD1 graphic display is an electronic device that allows complete management of humidifier operation The graph display features both icons and alphanumeric characters It can operate over a wide temperature range 20T60 C and guarantees a high degree of ingress protection IP65 The terminal is a plug amp play
55. of burner rotation Type of rotation between No burners rotation Time diff Burner rotation threshold 10 h Tab 4 s In normal operation depending on the humidity request and the control mode selected series or parallel the control logic automatically calculates how much energy must be generated by each burner fan system Rotation involves periodically reversing these production references Rotation ensures in the long term similar operating hours for the two burners on the gaSteam with the consequence of not only having more uniform wear on the combustion systems but also a more uniform accumulation of scale deposits on the two heat exchangers Two types of rotation are available e IN PRODUCTION this is rotation by time that is whenever the difference in operating hours between the two burners reaches 10 hours the production references are reversed e AT START whenever steam production ends and the subsequent request is received the burner with the lower number of operating hours always starts first along as the difference in operating hours has exceeded 10 h NOTE The difference between operating hours considered for rotation can be changed using the Time diff parameter available on the screen used to enable rotation once rotation has been enabled 4 4 12 Overriding the supply water conductivity setting and setting the conductivity alarm thresholds Fig 4 v Info shown on display Value a
56. om the opening of the contact Note that if the remote ON OFF contact opens the production of steam ceases immediately irrespective ofthe point that the current evaporation cycle has reached Proportional control The production of steam hourly quantity is proportional to the value of a signal Y from an external device the type of signal can be selected between the following standards 0 to 1Vdc 0 to 10Vdc 2 to 10Vdc 0 to 20MA 4 to 20mA The entire range is indicated as BP proportional band The maximum production of the humidifier corresponding to the maximum value of the external signal can be programmed by setting the Max Product parameter from 25 to 100 of the rated output of the humidifier The minimum production Min Prod has an activation hysteresis hy equal to 5 of the range BP of the external signal Y 1 Steam production In the case of the UG180 humidifier the following types of control sequence are available model type of sequence min prod range type of gas UG180 parallel 25 max prod natural gas parallel with rotation 12 5 max prod series 12 5 max prod Tab 7 a Autonomous control with relative humidity probe The production of steam is related to the rH reading made by the relative humidity transducer connected to the controller and increases as the value read deviates from the set point St The maximum production which is delivered when the
57. out HI O 1U 18 1U HT M MIO 2U HT 19 2U A Io 3U i 3U 18 4U IO 4U 19 5U 18 5U 10 6U CH ie 6U IO 7U Ia 7U a O 8U cr TIO 8U E d E Y Q Fig 2 g d Control for steam baths Temperature control with room temperature probe Temperature control with room temperature probe The humidifier is connected to a temperature probe TT see Fig 2 h and performs a complete control action according to the temperature measured inside the controlled environment Fig 2 i shows the connection of the CAREL probe model ASET03001 with a range of measurement 30T90 C The recommended CAREL probes have a 0 to 1 Volt output and therefore the range of reading must be set see par 4 4 4 The control signal must be connected to 1U and the earth reference is GND 2U The controller can also be connected to non CAREL active probes see par 2 3 TT CAREL temperature probe e gt out T 1U TT wo A HOn 18 3U ie 4U 18 5U 19 AO 7U BEY 19 Fig 2 i Connection to NTC CAREL probe gt gt NTC ia 1U te 2U 18 3U 19 4U IO 5U 19 AO 7U on ou w 19 ed
58. rd Proportional control can be selected between the following standards 0 to 1 Vdc 0 to 10 Vdc 2 to 10Vdc 0 to 20 mA 4 to 20 mA Maximum steam production corresponding to the maximum value of the external signal can be programmed by setting the Max Product parameter from 25 to 100 of rated output of the humidifier In addition to the production request received from the external signal the controller also limits steam production if the percentage rH2 measured by the compensation transducer installed in the air duct downstream of the humidifier exceeds a set value The operating logic of this Mode is conceptually similar to Autonomous control with relative humidity probe and outlet humidity limit probe as described in the previous paragraph with the only difference being that main steam production which limits are then applied to depending on the limit probe is proportional to the value of the external signal and not calculated by the controller based on the reading of a humidity probe See the previous sub paragraph for details on the operating logic of this control mode 7 3 Other functions Measuring the conductivity of the supply water The controller measures the conductivity of the supply water The measurement is made using the conductivity meter by opening the fill solenoid valve The field of reading ranges from 0 to 1500 uS cm Two thresholds are available pre alarm threshold signal only wit
59. rm EF No water no water e check that the supply pipe to the automatic active activate auto No water humidifier and the internal tubing are not procedure Burners Off blocked or choked and that there is enough pressure 0 1 0 8 MPa 1 8 bars e check the operation of the fill solenoid valve and that the filter is clean e check that there is not excessive backpressure in the steam outlet causing activation of the overflow e check that the steam outlet hose is not choked or that there are no pockets of condensate EC Alarm EC High conductivity high supply water e check the limit threshold set manual active stop High conductivity alarm conductivity e switch the unit off and clean the production Burners Off electrodes that measure water conductivity if the problem persists change the origin of the supply water or add a suitable treatment system demineralisation even partial N B the problem cannot be resolved by softening the supply water EC Pre alarm Ec High conductivity high water conductivity e check the conductivity of the supply automatic inactive signal only High conductivity warning pre alarm water if necessary add a suitable water treatment system N B the problem cannot be resolved by softening the supply water ES Pre alarm E High humidity high humidity in the room check operation of the humidity probe automatic inactive signal only High humidity warning and the limit value se
60. s obtained inside a boiler containing water that is heated to and then held at boiling temperature The heat required to boil the water is provided by one or two burners that burn a mixture of air gas The heating capacity of the flame created due to combustion is modulated by adjusting the speed of the brushless fans fitted on the burners During the normal operation of the gaSteam the level of the water is monitored using a three float level sensor In stable operation there are repeated periods in which the water is filled and the level rises and periods of evaporation in which the level falls In these phases the level remains between the middle and top floats Due to these repeated fill evaporation cycles the conductivity inside the boiler increases due to the progressive accumulation of salts introduced with the water The control logic therefore periodically drains the water and replaces it with fresh mains water so as to eliminate part of this excessive salinity 7 2 Control principles The range of humidifiers includes the following control options ON OFF control The action is all or nothing activated by an external contact that determines the set point and the control differential The external contact may be a humidistat closed the humidifier produces steam if the remote ON OFF contact is also closed e open the production of steam ends after the completion of the evaporation cycle in progress max 10 to 15 min fr
61. ssary precautions and are capable of performing the operations correctly and in accordance with the safety standards and legislation in force with specific reference to 1 Italian law 1083 71 Safety standards relating to the use of gaseous fuel 2 Italian Law no 46 90 Safety standards relating to systems in buildings 3 Italian Presidential Decree no 447 December 6 1991 Regulations for the enforcement of law no 46 dated March 5 1990 on safety relating to systems in buildings 4 Italian Law 10 91 Regulations for the enforcement of the national plan for energy savings and the development of renewable sources of energy Il settaggio di tutte le unit sottostanti alla normativa UL 998 per funzionamento da Gas naturale settaggio di fabbrica a gas GPL dovr essere effettuato esclusivamente da personale Carel o Service Carel Disconnect the appliance from the mains power supply before accessing any internal parts The local safety standards in force must be applied in all cases Warning L The installation of the product must include an earth connection using the special yellow green terminal available in the humidifier The environmental and power supply conditions must conform to the values specified on the product rating labels The product is designed exclusively to humidify rooms either directly or through distribution systems ducts Only qualified personnel who are aware of the necessary
62. st 3 production burner 2 total 4 production totale 5 H 2 in P control 0 1xPO in H control T 6 hyst Seq hyster parameter def 5 0 range 0 20 0 i f 7 P 100 2 hyst bD 50 100 50 100 p 100 DD Fig 4 5 It can be seen that an hysteresis is required in the intermediate burner On Off zone which is managed by the Hyster seq parameter seen in the previous table To offer a wider range of modulation in parallel mode the concept of ROTATION has been introduced see OPTIONS Rotation of the request between the burners If ROTATION is active in PARALLEL mode too one burner is started first while the other remains off until the steam request is between 12 5 and 25 Above 25 both burners start operating in parallel mode 100 50 53 8 8528 100 50 2 bD bD bD bD 2 bD bD 2 bD 2 NE 100 bD 50 100 De bD 50 100 Fig 4 t key 1 production burner 1 total 2 total request 3 production burner 2 total gaSteam controller 030220931 rel 1 6 06 12 2013 18 CAREL 4 4 9 Control The control parameters are the values corresponding to the humidifier control mode configuration These parameters must only be modified by qualified personnel Control parameters Screen Display Range Default UOM Accessible Descrip
63. stems defined by local legislation must be used In addition the equipment can be returned to the distributor at the end of its working life when buying new equipment 3 the equipment may contain hazardous substances the improper use or incorrect disposal of such may have negative effects on human health and on the environment 4 the symbol crossed out wheeled bin shown on the product or on the packaging and on the instruction sheet indicates that the equipment has been introduced onto the market after 13 August 2005 and that it must be disposed of separately 5 in the event of illegal disposal of electrical and electronic waste the penalties are specified by local waste disposal legislation Warranty on the materials 2 years from the date of production excluding consumables Approval the quality and safety of CAREL products are ae the ISO 9001 certified design and production system as well as by the ce and ED ark gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 1 GENERAL CHARACTERISTICS OF THE MAIN CONTROL BOARD 7 2 CONTROL SIGNALS FROM THE FIELD 8 2 1 Humidity OF temperature Control 8 2 2 Pin strip position on the board for probe configuration 9 2 3 Using other brand DIODES siriani 9 3 AUXILIARY CONTACTS 10 3 1 Production status CON een 10 CIRO rain 10 3 5 Dehumidification CONTACT essen 10 SA ASI A 10 3 5 GSM network connection send SMS 11 30 SUPENVI
64. t for the upper limit parameter gaSteam controller 030220931 rel 1 6 06 12 2013 28 CAREL Code Message displayed Meaning Cause Solution to the problem Reset Alarm Action 2 alarm relating to cylinder 2 relay Pre alarm E_ Low humidity low humidity in the room check operation of the humidity probe automatic inactive signal only Low humidity warning and the limit value set for the lower limit parameter E_ Pre alarm Low humidity low humidity in the room check operation of the humidity probe automatic inactive signal only Low humidity warning and the limit value set for the lower limit parameter E gt Pre alarm High temperature high temperature in the check operation of the probe and the limit automatic inactive signal only High temperature warning room value set for the upper limit parameter E_ Pre alarm Low temperature low temperature in the check operation of the probe and the limit automatic inactive signal only Low temperature warning room value set for the lower limit parameter E Pre alarm Pre alarm high high outlet humidity check the operation of the outlet probe automatic inactive signal only Humidity alarm humidity in outlet Limit probe E3 Alarm Main probe room probe not check the connection of the probe the automatic inactive stop Room probe not disconnected connected
65. t values These must be as follows Range 2 0 20 0 C Range 2 0 5 0 C Default 3 0 C Default 2 0 C Preheating offset Hysteresis diff hyst Max Prod Max Prod 100 100 Fig 4 z 1 reference for the burner 2 temperature 3 fixed differential of 20 C 4 preheating temperature def 80 C Once preheating is activated heating is modulated by the systems burners fans depending on the water temperature measured by the NTC probe and the preheating set point see Fig 4 v The preheating set point temperature is a parameter with a range of 70T 90 C and a default of 80 C When enabled the preheating function starts the burners to preheat the water even if the unit is Off Hyst 2 5 C Key 1 reference for the burner 2 temperature 3 fixed differential of 20 C 4 preheating temperature def 80 C Operation with temperature control only In this case preheating is always enabled that is it is not activated depending on the humidity value or the temperature measured by the external probe The reference for the combustion systems only depends on the water temperature measured by the NTC probe and by the preheating set point as illustrated in the previous graph This option is enabled by choosing the TEMPERATURE option Preheating the water in the boiler when starting the unit
66. th the exception of the drain pump limited to the drain cycle due to extended inactivity see par 7 3 NOTE for industrial environments EN 61000 6 2 the cables that leave the unit must not exceed 30 m in length except for the main probe terminal M2 pins 1 2 3 4 5 6 the remote on off digital input terminal M2 pins 7 8 and the shielded RS485 communication cables NOTE the RS485 serial GND should not be earthed gaSteam controller 030220931 rel 1 6 06 12 2013 CAREL 3 AUXILIARY CONTACTS 3 1 Production status contact The humidifier expansion card features a voltage free contact for remote signalling of the unit operating status Production No production This normally open contact is available on connector J5 of the expansion card as highlighted below 3 2 Alarm contact The humidifier controller is fitted with a voltage free contact for the remote alarm signal one or more events The alarm contact is connected via terminals 70 80 and 90 as shown in Fig 3 a electrical specifications 250 Vac Imax 8 A resistive 2 A inductive Tab 3 a I 70 c I e 80 NO I 90 NC Fig 3 a 3 3 Dehumidification contact When the humidifier is used as in case c in paragraph 2 1 relative humidity control a contact NO voltage free can be used to activate an external dehumidification device in this case the humidifier
67. tion iena No Ves i dia Enable Autotest function at start up see Chap Yes 4 4 9 Burner No rotation E i 1 7 Enable rotation and burner rotation mode see rotation GaSteam In production No rotation always Chap 4 4 7 4 4 10 180 only At start Rotation time 1 to 999 10 h if rotation is enabled Hour threshold for the rotation of the burners erde Conductivity value If set to any value other than E 0 to 9999 0 uS cm Always 0 this overrides the reading of the conductivity conductivity val i ake meter located in the water inlet circuit Warning threshold ca 1000 uS cm Always High water conductivity pre alarm threshold Alarm threshold E 1250 S cm Always High water conductivity alarm dela threshold 2000 H gt J y gt Fan speed at minimum 0 to 9999 Rpm Always Fan speed at minimum humidifier production 3 7 production Rated 0 to 9999 Rpm Always Fan speed at rated humidifier production Pre purge 0 to 9999 Rpm Always Fan speed in pre purge stage Te of fill valve 18 1 h 101 h f it Rating of the water fill valve set from yP 10 l h y manufacturer Fill drain ratio eso Always Ratio between fill drain set by manufacturer 4 7 E a Hour threshold 24 If drain due to inactivity is for drain due to 36 24 H enabled enabled by default and inactivity 48 modifiable by manufacturer 72 Disabled Temperature f preh Al Type of preheating nei disabled Ways 57 a Set point to 194 09 80 0 C 176 0 F C F If preheating is ena
68. uration maximum limit 4 ANA R W AMBIENT_PROBE_OFFSET Room probe calibration offset 5 ANA R ACT_SETPOINT Current set point 6 ANA R A_PRODUCTION Current steam production 7 ANA R LIMIT_PROBE_VALUE Signal applied to the limit probe input 8 ANA R W LIMIT_PROBE_MIN Limit probe configuration minimum limit d ANA R W LIMIT_PROBE_MAX Limit probe configuration maximum limit 10 ANA R W LIMIT_PROBE_OFFSET Limit probe calibration offset 11 ANA R NOMINAL_CAPACITY GaSteam rated capacity 12 ANA R A_PRODUCTION1 Current production of combustion system 1 13 ANA R A_PRODUCTION2 Current production of combustion system 2 14 ANA R PREHEATING_PROBE_VALUE Water temperature 15 ANA R W MAX_PROD Maximum production 16 ANA R W SET_HUMID Humidity set point 17 ANA R W DIFF_HUMID Humidity differential 18 ANA R W L_ SETPOINT Limit probe set point 19 ANA R W L DIFFERENTIAL Limit probe differential 20 ANA R W T_SETPOINT Temperature set point 21 ANA R W T_DIFF Temperature differential 22 ANA R W DEHUM_SET Dehumidifier set point 23 ANA R W DEHUM_DIFF Dehumidifier differential 24 ANA R W LOW_ROOM_HUMID Low room humidity alarm threshold 25 ANA R W HIGH_ROOM_HUMID High room humidity alarm threshold 26 ANA R W HIGH_LIMIT_HUMID High outlet humidity alarm threshold 27 ANA R W TEMP_PREHEATING Preheating set point 28 ANA R W NO_FROST_SETPOINT Antifreeze set point 29 ANA R W SUPERVREG_VALUE Proportional control from supervisor Tab 7 d CAREL reserves the right to
69. with room probe and outlet limit probe if required With this configuration see Fig 2 e the main control board connected to a humidity probe HT performs a complete control action according to the humidity measured An outlet humidity limit probe see Fig 2 f can also be connected with this configuration the main control board connected to a humidity probe HT performs a complete control action while also limiting the steam production according to the relative humidity value in the outlet duct measured by the probe CH The diagrams shown in Fig 2 g indicate the connection to be made using CAREL probes with e just one relative humidity probe a an outlet humidity limit probe b CAREL PROBES AVAILABLE rooms air ducts industrial applications DPWC111000 DPDC110000 DPPC210000 DPDC210000 DPPC110000 Tab 2 a CAREL The controller can also be connected to non CAREL probes see par 2 3 HT CAREL relative humidity probe CH CAREL outlet relative humidity probe AR N
70. y i C kg h a no Unit of measure F __Ib h C kg h l Always Unit of measure used on the humidifier 0 1V 2 10V 0 10V Humidity control 0 20 MA pa proportional 0 1V signa 2 mn In Humidity 0 1350 Humidity Main probe 135 1000Q ii Type of room probe input NTC External proportional 0 1V signal control mode a 2 10V 1V 0 10V Temperature control 0 0 20 MA 4 20 MA ini rH Maximum value that can be read by the Maximum value minimum value 250 0 100 0 ec eF In Humidity control toom probe y sii rH ELS ansa Minimum value that can be read by the Minimum value 0 0 maximum value 0 0 Ser Limit humidity ol ii y Offset 0 0 99 9 0 0 olii MORE Room probe reading offset CHE 0 1V 2 10V DAG In Humidity Limit Limit probe 0 20 MA 0 1V humidity control Type of limit probe input 4 20 MA mode 3 6 0 1350 135 10000 Maximum value minimum value 250 0 100 0 rH u alle that can be read by the In Humidity Limit HER Minimum value 0 0 maximum value 0 0 rH un control a that can be read by the Offset 0 0 99 9 0 0 rH Limit probe reading offset Mains Type of water nu mains Always NO apa water used in the 4 6 Number of evaporation cycles before Bele eye before 1 _ 4 2 Ar Male running a drain cycle and refilling with water mee ate awon prove tee chon opt 5 6 l Hysteresis LOr punet SEOD aart oniy in eq steresis s ries or parallel with rotation burner GaSteam 180 only 00 200 30 Always sequence
71. y the type of control used the probe configuration if necessary and the type of treated water need to be selected All the items set in the wizard can be changed subsequently in the Installer menu see 4 4 The setup wizard when starting the unit can be disabled either at the end of the wizard itself same or in the Installer menu gt Installer settings gaSteam controller 030220931 rel 1 6 06 12 2013 5 2 Shutting down the unit When shutting down the appliance at the end of the season or alternatively for maintenance on the electrical parts and or water circuit the humidifier should be placed out of service NOTE empty the cylinder before shutting down the humidifier to prevent fouling Sequence open the mains disconnect switch on the power line to the humidifier e move the rocker switch to 0 see Fig 5 g and check that the display on the controller is off close the shut off tap on the water line to the humidifier ic OFF Fig 5 e To empty the cylinder when shutting down refer to par 5 3 In the event of a malfunction with the pump or a malfunction with the electrical parts the boiler can be emptied manually using the manual drain tap Fig 5 h where it is necessary to connect a pipe to drain the water external 5 3 Manually draining the boiler The cylinder can be drained manually to complete empty the water contained inside This operation is particularly useful when maintenance n

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