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User manual - Dynasoft – Under construction please bear with us

1. Address Type Access Variable name Description 1 DIG R SYSON Syson 2 DIG R FILL_OUT Fill solenoid valve ON 3 DIG R DRAIN_OUT Drain solenoid valve ON 4 R DEHUMIDIFIC Dehumidifier relay ON 5 R ACT_BURNER Burner 1 board power relay status 6 R ACT_BURNER2 Burner 2 board power relay status R ACT_FAN1 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 antifreeze 19 MEASURE Unit of measure 20 R mal ambient probe Control probe error 21 R mal clock Clock card error 22 R mal fan Fan 1 alarm 23 R mal fan2 Fan 2 alarm 24 R mal foam level Foam alarm 25 R mal full boiler Boiler full alarm 26 R mal high conductivity High conductivity alarm 27 R mal high humid High temperature humidity alarm 28 R mal high outlet 1 PTC 1 alarm 29 R mal high outlet gas2 PTC 2 alarm 30 R mal klixon fan Fan 1 thermal cutout alarm 31 R mal klixon fan2 Fan 2 thermal cutout alarm 22 R mal limit humid High humidity limit probe alarm 33 R mal limit probe Limit probe error 34 R mal low humid Low temperature humidity a
2. Meaning Cause Solution Reset Alarm codes displayed Alarm Action 2 alarm relating to cylinder 2 relay Clock error backup battery replace the controller manual Clock Card Alarm not active signal only completely discharged or general problems with the clock High flue gas flue gas temperature carry out maintenance and or clean the automatic Pre alarm ER High Flue Gas not active signal only temperature higher than normal exchanger Temp 2 Boiler Maintenance warning operation presence of 135 C UG45 Maintenance lime scale 180 C UG90 180 recommended High flue gas flue gas temperature switch the unit off clean the exchanger manual Alarm ER High Flue Gas Temp active stop temperature excessively high boiler full check burner calibration 2 Burner off production alarm of lime scale 145 C UG45 on corresp 190 C UG90 180 burner Level sensor lime scale on the sensor carry out maintenance on the level sensor automatic Pre alarm EL Level sensor not active activate auto blocked warning blocked proc Level sensor no more attempts to carry out maintenance on the level sensor manual Alarm EL active stop blocked alarm unblock Level sensor fault production Drain warning filter blocked level sensor carry out maintenance automatic Pre alarm CL Drain not active signal only tube blocked drain pump maintenance malfunctioning Drain alarm drain pump broken filter carry ou
3. Fig 4 b h b press Enter The Unit Status screen is displayed Fig 4 b i Press Enter The main screen is automatically displayed Fig 4 b i At this stage the system is on and the operation of the humidifier can be started see paragraph 4 3 Set submenu when requested steam production starts To switch the unit off Off from keypad simply repeat the same operations gaSteam controller 030220931 rel 1 1 02 07 2009 CAREL 5 STARTING SHUTTING DOWN AND ADVANCED FUNCTIONS 5 1 Startin Procedure and sequence O switch on off Fig 5 a r 8 humidifier switch on the appliance by moving the rocker switch to position I The start up sequence then begins which includes an initial phase followed by the operation of the appliance After the switch has been moved to the On position the graphic display shows the screens in the sequence described in the figures below Fig 5 a 1 Start power supply system boot around 10 seconds Nothing is displayed Fig 5 b Fig 5 b 2 Language setting around 30 seconds IIn this phase the user has 30 seconds to change the language Fig 5 c To skip directly to the next phase press the ESC button Fig 5 c 3 End Autotest treated water mode Note treated water is defined as described on the Par 3 1 gaSteam Hardware manual cod 030220940 Aftern than the language is selected the screen sh
4. in control mode with humidity probe type see Fig 4 d in control mode with temperature probe type Fig 4 e To change the value of a parameter highlight it by pressing Enter and use the arrows to change the value Fig 4 c Fig 4 d Fig 4 e CAREL MENU PRINCIPALE 4 2 Main menu gt Set a Enabled To access this menu press PRG button from the main Burners sequence only UG180 Sequence Hyster only UG180 screen Buttons Control parameters UP and DOWN scroll inside the submenus change a a i the range of values and settings differential ENTER scroll inside the screens and confirm the A changes made DM Temp Diff e ESC to go back pressed more than once returns to un LI nt Dehum diff the main screen Room hum Alarm thresholds Low High Limit probe Alarm thresholds High Ambient temp Alarm thresholds Low Hi gh gt User gt Password Control type On off External contro Built in rH Built in rH limit Built in temp Probe type Unit measure Cfg Room probe Min calib Max calib Offset Cfg Limit probe Probe type Min calib Max calib Offset Autotest YIN Fan speed for production Pre purge Manual Fi fill drain Preheating On off Set preheat No Frost On off Set point Options Alarm relay nactivit
5. dec This parameter can be used to choose between 5 different control modes parameter name options erau listed in the table below Burner rotation NO ROTAZIONE No Rotation START IN PRODUCTION parameter display description for a detailed description Tab 4 h name see par 7 2 Desert O Type of 96rH probe H control Humidity control with room ka an a control default probe In normal operation depending on the humidity request and the control mode selected series or parallel the control logic automatically H rH probe H control Humidity control with room calculates how much energy must be generated by each burner fan Limit probe and limit probe system The rotation of the request consists in periodically reversing these P Ext control P control Proportional control with production references signal set by external The rotation of the request ensures in the long term similar operating controller hours for the two burners in the gaSteam with the consequence of Temp control T control Temperature control with not only having more uniform wear on the combustion systems but room probe also a more uniform accumulation of lime scale deposits on the two CON OFF en Humidity control with humidistat Two types of rotation are available Tab 4 1 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 revers
6. Hysteresis Range 2 0 5 0 C Max Prod gt 4 100 100 1 3 Fig 4 u Key 1 production 96 2 signal applied to probe 1 input 3 preheating 4 probe rH1 Once preheating is activated the 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 must be a parameter with a range 70T 90 C and a default equal to 80 C Hyst 2 5 C Key reference for the burner temperature fixed differential of 20 C preheating temperature def 80 C 3 Preheating enabled 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 ONLY option in the previous screen Fig 4 0 4 4 10 Antifreeze The antifreeze option can be very useful in applications that feature the installation of the 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
7. CAREL GSM kit PLWOP65MOO made up of 2 a modem 2 0 antenna with magnetic base e 2 c serial cable 2 power supply 3 SIM card to be inserted in the modem Make sure that the access password PIN number is not enabled CAREL 3 4 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 Provides BACnet MS TP over RS485 BACnet PCO2004850 used for the direct interface of the CAREL Modbus controller to an RS485 network PCO200MDMO _ used for the direct interface of the CAREL for remote controller to an RS232 network with an connections external modem PCO20000F0 used to interface of the controller to LON Echelon 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 6 Checks The following conditions represent correct electrical connection the rated voltage of the appliance corresponds to the mains voltage 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 connect
8. press ENTER to to position the cursor on the desired parameter press UP or DOWN to change the value press ENTER to confirm and access the next parameter The type and meaning of these parameters are listed in the following paragraphs 17 gaSteam controller 030220931 rel 1 1 02 07 2009 4 4 4 Configuring the room humidity or temperature probe CAREL This is used to set the minimum value maximum value and the offset for the probe used in the room screen name parameter name range default access UOM H control T control Config Room Probe Min Oto Max 00 rH ja not accessible in C control mode ON OFF Max Min to 100 100 0 rH C Offset 10 0 to 10 0 0 0 rH C o F NOTE for T control the setting of the minimum and the maximum values for the probe is only in degrees centigrade The offset on the other hand being linked to the difference between the reading made by the probe and by a reference thermometer depends on which unit of measure has been selected For example if having selected imperial measurements if based on the measurements made it is clear that the value read by the probe is normally 2 F higher than the reading made by a reference thermometer to correct the error set the offset to 2 0 F 4 4 5 Configuring the limit humidity probe This is used to set the minimum value maximum value and the offset for the limit probe
9. 4 a 0 P ON gt gaSteam controller 030220931 rel 1 1 02 07 2009 9 to enable burner fan 1 move to the Burn 1 field and set it to Y Once having done this two other fields will be displayed which indicate the request as a and the fan speed in RPM Fig 4 a p 10 to switch on burner 1 simply move to the Req field and set it to any value other than zero In this way both the Honeywell board for burner 1 and fan 1 will be powered 11 the same is true for burner fan 2 UG180 only however to move to the Burn 2 field Fig 4 a q Once the outputs have been tested exit the manual procedure by either setting the Manual variable to N on the screen seen in point 5 or alternatively by simply switching the unit off using the keypad media maru Fig 4 ar 4 6 Clock submenu Entering the clock submenu the user can set the time and date useful for the timed start up of the humidifier Fig 4 a r Fig 4 a r Setting the clock The clock can be set using the UP and DOWN buttons in the following screen Fig 4 a s Fig 4 a s To set the clock e press ENTER to move the cursor to the desired field change the value using UP amp DOWN e press ENTER to confirm Setting the time bands This important function is used to automatically set the operation of the humidifier during the days of the week These settings are accessed after entering the passwo
10. final installation if the warnings or suggestions provided in this manual or in other product technical documents are not heeded In addition 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 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 necessary precautions and are capable of performing the operations correctly and in accordance with the safety standards and legislation in force with spe
11. 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 12 596 max prod series 12 5 max prod Tab 7 a O 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 relative humidity is less than the set point by a value at least equal to the differential 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
12. 0 2 to 10Vdc to 20 mA NTC probes JS5 main probe 5 8 o E g basic configuration JS6 limit probe 5 B o 5 g basic configuration 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 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 15 Vdc power supply is available for the probes terminal 3U e 4U The control signals must be connected for the control probe HT or TT to terminal 10 the earth reference for which is GND 2U for the limit probe CH to terminal 5U the earth reference for which is GND 6U for the current probe to terminal 4U the earth reference for which is GND 6U Important warnings To avoid unstable control the earth of the probes or the external controllers must be connected to the earth on the appliances controller e 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 with the exception of the drain pump limited to the drain cycle due to extended inactivity see par 7 3 gaSteam controller 030220931 rel 1 1 02 07 200
13. 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 e 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 165 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 transducer however in addition steam output is limited if the relative humidity rH2 measured by asecond 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 d
14. 4 USER INTERFACE 12 4 1 pGDO graphic display CAREL code PGDOPHOFOD 12 ASA 13 4 4 Reading and setting the configuration parameters USER submenu17 4 5 Service SUDIMEMU 21 AD Cock SUD CTU ORO OO CO on ante 22 5 STARTING SHUTTING DOWN AND ADVANCED FUNCTIONS A 2 24 5 2 SAUS GOW e EE 24 5 5 Manually draining the boiler s 25 5 4 Cascading control of other units sets 25 6 ALARMS TROUBLESHOOTING 26 irc 26 6 2 Alarm management and signals 26 7 OPERATING AND CONTROL PRINCIPLES OTHER FUNCTIONS 29 AL Operating NEA 29 72 Control uud quo ROO A 29 perras 30 74 Controlling the board via the network 3 5 gaSteam controller 030220931 rel 1 1 02 07 2009 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 Itis 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 an
15. Al B5 O B6 1000 uS cm Alarm B6 B5 2000 1250 uS cm 9 supply water conductivity e b4 0 the controller uses the conductivity measured automatically by the conductivity meter b4 1 to 4 the value set corresponds to the number of evaporation cycles between two drain for dilution cycles each b4 evaporation cycles one drain to dilute cycle is performed b4 4 the controller uses the value of b4 as the conductivity and IGNORES the value measured by the conductivity meter Note to the side of the above parameters there may be the codes B4 B5 and B6 which indicate the name of the parameter that was normally used with the gaSteam 40 45 and 90 Important it is possible when the treated water mode is disableb see par 5 1 1 CAREL Disabling the change language screen During the start up sequence see par 5 1 the screen that is used to change the language normally appears for 30 seconds To deactivate this screen e go to the screen shown below Fig 4 a f e set the value to the right of Language choice at start up to N e press ENTER to confirm Fig 4 a f Enabling remote off via supervisor In the same screen seen in the previous paragraph humidifier on off via supervisor can also be enabled To do this simply set Y to the right of the question Accept on off from superv Fig A af Configuring the communication protocols By accessing the
16. 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 ROIATION TYPE Type of rotation 26 INT R W PREHEATING_TYPE Type of preheating 27 INT R W IDENT 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 Flue gas temperature 1 32 INT Flue gas temperature 2 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 configuration maximum limit 4 ANA R W AMBIENT_PROBE_OFFSET Room probe calibration offset E 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 9 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
17. alarm High Conductivity not active signal only gaSteam controller 030220931 rel 1 1 02 07 2009 26 CAREL Meaning Cause Solution Reset Alarm codes displayed Alarm Action 2 alarm relating to cylinder 2 relay High humidity high humidity in the room check the operation of the probe and the automatic Pre alarm E not active signal only warning value set for the upper limit parameter High Humidity Low humidity low humidity in the room check the operation of the probe and the automatic Pre alarm E_ not active signal only warning value set for the lower limit parameter Low Humidity High temperature high temperature in the check the operation of the probe and the automatic Pre alarm E gt not active signal only warning room value set for the upper limit parameter High Temperature Low temperature low temperature in the check the operation of the probe and the automatic Pre alarm E not active signal only warning room value set for the lower limit parameter Low Temperature High outlet high outlet humidity check the operation of the outlet probe automatic Pre alarm E not active signal only humidity alarm Humidity Alarm Limit probe Main probe room probe not check the connection of the probe the automatic Alarm active stop disconnected connected parameter A2 for the room probe and the Room probe not connected or produ
18. 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 antifreeze function acts as displayed in the following graph Fig 4 2 diff 3 C Max Prod hyst 5 Min Prod Set Nofrost 7 Fig 4 z 1 reference for the burner 2 NICtemperature 411 Options Reversing the logic of the alarm relay Normally the alarms that stop the humidifier close the alarm relay contact This logic can be reversed so that the coil remains energised when no alarm is present and the contact is open when an alarm is activated To do this set the following parameter screen name parameter name range default Options Al relay ENERGISED ENERGISED NOT ENERGISED Tab 4 p Drain due to inactivity The drain due to inactivity option is used to completely empty the water from the cylinder if the cylinder does not produce steam for a period set by parameter which by default is 3 days By default drain due to inactivity is enabled It can be disabled by setting the parameter in the following table screen name parameter name default Options Drain for inactivity YN Y In addition the value of the parameter relating to the period of inactivity can be changed available by scrolling the screens The p
19. and the flame control board e check the connections between the control unit and the terminal block inside e check that the supply pipe to the humidifier and the internal tubing are not blocked or choked and that there is enough pressure 0 to 1 to 0 8 MPa 1 to 8 bars e check the operation of the fill solenoid valve and that the filter is clean e check that there is not excessive back pressure in the steam outlet causing the activation of the overflow check that the steam outlet pipe is not choked or that there are no pockets of condensate manual automatic Alarm EP Low Production Burners Off Alarm EF No Water Burners Off active active stop production activate auto proc High conductivity high conductivity of the check the threshold set alarm supply water softening the supply water e switch the unit off and clean the electrodes that measure the conductivity of the water if the problem persists change the origin of the supply water or add a suitable treatment system demineralisation even partial N B the problem is not resolved by manual Alarm EC High Conductivity Burners Off active stop production High conductivity high water conductivity warning pre alarm treatment system softening the supply water check the conductivity of the supply water if necessary add a suitable water N B the problem is not resolved by automatic Pre
20. screen name parameter name range default UOM Config Limit Probe Type Oto 1V Oto 10V accessible only in H control mode with outlet limit 10V 2 to 10V 0 to 20 mA 4 to 20 mA NTC Min 0 to Max 0 0 rH Max Min to 255 100 0 rH Offset 10 0 to 10 0 0 0 rH 4 4 6 Initial autotest This is an automatic procedure used to check the correct status of the fill valve and the drain pump and the level sensor system The procedure is as follows e the boiler is filled until reaching the highest point of the level sensor a drain cycle is performed until reaching the lowest point of the level sensor All this takes place without igniting the burners To enable disable the auto test procedure go to the USER submenu enter the password 77 and go to the screen shown in Fig 4 r Move the cursor to Autotest and use the UP DOWN arrows to set YES or NO The default value is YES Fig 4 1 NOTE The autotest is only performed if the humidifier is enabled for production Humid Enabled Yes and if the controller is enabled from the keypad This function is useful for service or when first starting the appliance IMPORTANT In these conditions the autotest occurs whenever the controller is switched off an on again 4 4 7 Setting the pre purge speed and manual procedure for flue gas calibration NOTE These operations must be carried out by qualified personnel The pre purge speed is indicate
21. steam flow rate Set P rH inHcontrol humidity measured in the room Amb Hum rH mode ambient humidity set point Set T C CF T control room temperature Room C F mode room temperature set point Set P Lim rH inHcontrol outlet set point Humid Limit 96rH mode Limit outlet relative humidity Prod B1 kg h or Ib hr current production of burner 1 Fan 1 RPM speed of fan 1 Prod B2 kg h or Ib hr current production of burner 2 UG180 Fan 2 RPM speed of fan 2 UG180 Flue gas C F flue gas temperature temperature Burner 1 Burner 2 Preheat set C F set preheating point if preheating is not enabled is displayed Antifreeze set F antifreeze set point if not enabled N A is displayed Conductivity uS cm mains supply water conductivity Tab 4 c text option description gaSteam Status see par 4 1 2 similar to the status shown on the main screen Burner 1 2 status On combustion active Off combustion not active Alarm alarm activation Off burner not active Production steam production in progress Preheat preheating in progress Purge purge in progress Antifreeze antifreeze in progress Speed fan speed rpm Tab 4 d 4 1 4 Quick set screen Press ENTER from the main screen to quickly access the for setting the set point parameters in control mode ON OFF type C see Fig 4 c in control mode with external controller type P see Fig 4
22. 9 CAREL 3 AUXILIARY CONTACTS 3 1 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 70 e 80 NO 90 Fig 3 a 3 2 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 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 1 1 electrical specifications 250 Vac Imax 8 A resistive 2 A inductive Tab 3 b e 13U NC E 14U C Fig 3 b 3 3 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 t
23. NOMINAL_ CAPACITY GaSteam rated capacity 12 ANA R A_PRODUCTION 1 Current production of combustion system 1 13 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 96 16 ANA R W SEI 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 SEIPOINT Temperature set point 21 R W T_DIFF Temperature differential 22 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 R W HIGH_ROOM_HUMID High room humidity alarm threshold 26 ANA R W HIGH LIMIT HUMID High outlet humidity alarm threshold Di ANA RAW TEMP PREHEATING Preheating set point 28 ANA RAW NO_FROST_SETPOINT Antifreeze set point CAREL reserves the right to modify or change its products without prior notice gaSteam controller 030220931 rel 1 1 02 07 2009 32 CAREL CAREL INDUSTRIES S r l Societa Unipersonale Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 e mail carel carel com www carel com gaSteam CONTROLLER 030220931 rel 1 1 02 07 2009 Agenzia Agency
24. NU press PRG The Menu screen is displayed select Set and press ENTER 2 Access and modify the control parameters use UP or DOWN to go to the Control Params screen Fig 4 1 Fig 4 1 using the ENTER button move to the field to be modified Fig 4 m Fig 4 m use UP amp DOWN to change the value and press ENTER to confirm Fig 4 n Fig 4 n CAREL 4 3 4 Setting the control parameters The control parameters are the values corresponding to the ambient humidity control or temperature control process To access these parameters scroll the screens under the SET submenu The procedure for setting these parameters is similar to the one described for setting the maximum production Par 4 3 3 Control parameters Sc displa range default UOM access description Burner sequence Parallel Parallel always Operating mode see Chap 9 Operating principles UG180 only Series Seq hyster 46180 0 to 20 0 5 0 always Hysteresis for stopping igniting the burners only in series only or parallel burner sequence with rotation see Setting the operating sequence of the two burners UG180 Max prod 25 0 to 100 0 if UG045 90 amp UG180 if 70 0 always Maximum production of the humidifier as a percentageFor sequence parallel amp the concept of rotation see par 6 3 Option
25. OS and BOOT versions installed Fig 4 a g Fig 4 a g 4 5 3 SERVICE display the operating hours This screen indicates the total operating hours and the operating hours of each individual burner Fig 4 a h Fig 4 a h 21 NOTE The operating hours displayed are proportional to production For example if burner 1 has operated for 100 hours at 10096 the value displayed will be 100 h On the other hand if burner 1 has operated for 100 hours at 70 96 70 h will be displayed Operations with password access The following operations must only be carried out by installation or service personnel Access is only possible on entering the password 77 the screen shown below Fig 4 a i Fig 4 a i To enter the password simply e press ENTER to move the cursor to the field with the 0 press UP or DOWN to enter the number 77 e press ENTER to confirm Reset the operating hours Password access only The operating hours of the burner should be reset whenever the boiler is cleaned or the exchanger replaced On the other hand it is not recommended to reset the total operating hours of the humidifier as it may be useful to know how many hours the humidifier has been working for Resetting the total hour counter may be useful if completely replacing the combustion system exchangers burners The operating hours can be reset from inside the following screen Fig 4 a l Fi
26. arameter is screen name parameter name range default UOM Options Days of inactivity 1to199 3 d days gaSteam controller 030220931 rel 1 1 02 07 2009 Warn when exceeding maintenance hour limit The gaSteam features a limit to the number of operating hours of the humidifier beyond which it is recommended to perform maintenance see the par on MAINTENANCE In this case a maintenance request alarm is sent Nonetheless this alarm can be disabled by setting the Maint warning parameter UOM h hours screen name range default Maint warning Y Dehumidification 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 following conditions are satisfied 1 the dehumidification option is enabled 2 the ambient humidity probe is connected 3 the humidifier has not been disabled by Remote ON OFF If these conditions are satisfied 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 a a To activate the dehumidification funct
27. cific 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 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 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 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 th
28. ction alarm setting of parameter AO see chap 4 damaged Outlet probe outlet probe not check the connection of the probe the automatic Alarm E4 not active signal only disconnected connected outlet humidity limit parameter and the Limit probe not connected or alarm setting of the type of control parameter damaged Foam alarm excessive foam in the the formation of foam is generally due to automatic Pre alarm EA not active signal only cylinder during the boiling the presence of surfactants in the water Foam Present phase lubricants solvents detergents water treatment or softening agents or an excessive concentration of dissolved salts 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 Cylinder full cylinder full signal with with the unit off automatic Pre alarm EU not active signal only unit off e check for any leaks from the fill solenoid Boiler Full valve or the return of condensate from the pipe e check and clean the level sensors Test alarm Autotest failed e make sure that the unit receives water manual Alarm EE active stop probable problems in 1 8 bars 0 1 0 8 MPa 14 5 116 PSI turn the Test Alarm production water supply level control e make sure that the unit drains the water unit off and burners off or water drain cycle e Switch the unit off and clean the level on again control and the fil
29. ction 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 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 THE OPERATION OF THE HUMIDIFIER MAY BE AFFECTED
30. d by the remote contact or serial connection production on the slaves also stops Some alarms also shut down the slaves GRAPH analogic output UEX 96 Production calculated from probe or input of UEX 20 100 Fig 5 i Diagram example 1 Example 1 Pi 100 od attuale 100 Master Slave 1 PO 100 Prod attuale 100 P9 100 Frod attuale 100 100 Prod attuale 100 up to 20 Slave units Fig 5 25 Diagram example 2 E sad Ex IME FD 10096 P od attuale 100 Slave 1 Master PO 50 Prod attuale 50 P 100 od attuale 100 7 100 Piod attuale 100 up to 20 Slave units Fig 5 m Diagram example 3 Example 3 FO 100 Prod attuale 70 Master PO 100 Prod attuale 70 PO 50 Prod attuale 35 FO 80 Prod attuale 50 up to 20 Slave units Fig 5 n Connection between UG Master UG Slave Use shielded cable for the connection Fig 5 0 gaSteam controller 030220931 rel 1 1 02 07 2009 CAREL 6 ALARMS TROUBLESHOOTING 6 1 Alarms When an alarm is activated the alarm button starts flashing intermittently and the display shows the alarm icon In these conditions pressing the alarm button once displays the type of alarm and the code In the event of potentially dangerous alarms the controller automatically stops the production of steam For some alarm ev
31. d in RPM and is normally set by the manufacturer based on the characteristics of the combustion system and the gas To modify this parameter go to the screen Fig 4 5 and change the Pre purge parameter Fig 4 s gaSteam controller 030220931 rel 1 1 02 07 2009 Tab 4 0 During service it may also be useful to check if the fan speed measured with a stroboscope coincides with the speed set via SW The Manual parameter can be used to force a desired speed for performing the test 4 4 8 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 for dilution 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 The control logic calculates how many fill evaporation cycles must be completed before performing the dilution based on the conductivity of the supply water Normally if the supply water is not very conductive the drain cycles for dilution are performed less frequently With this type of water therefore the number of fills between two successive drain cycles for dilution can be very high 4 4 9 Preheating The preheating function is used to keep the water above a temperature set by the user when no steam i
32. d 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 parameters 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 block y 3 ER y amp U TU 80 90 100 110 SS lt 5 gt B un B 3 SS 85 dd S SS Fig 1 b gaSteam controller 030220931 rel 1 1 02 07 2009 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 lt 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 6 show the connections to be made in the case of a operation controlled by a simple rem
33. dified 53 Always ON Humidifier always on 54 Always OFF Humidifier always off Tab 4 q Once the time bands have been set the bands then need to be enabled for each day An example of the screen is shown below Fig 4 a 2 Fig 4 a z Sequence e use the ENTER button to move the cursor to the time band for the day in question use the UP and DOWN buttons to choose one of the 4 time bands shown in Tab 4 n press ENTER to confirm and move to the next value Example of a time band setting Fig 4 b a Fig 4 b a CAREL 4 6 2 Timed set point control only available in control mode with probe With this type of control the humidity H or temperature T set point can be varied during the day Up to 4 switching points can be set with both the time and new set point This setting is valid for every day of the week Sequence go to the screen fig 4 b b and set the field to the right of Humid timezones to Yes press ENTER to confirm Fig 4 b b This then activates the following control screens for the set point switching points position the cursor using ENTER at the top left and then press and DOWN To set the switching points go to the following two screens Fig 4 b c Fig4 b c Setting the switching points e press ENTER to move the cursor to the desired field use UP amp DOWN tto set the desired time and the new humidi
34. duction is stopped and the high temperature alarm ER is activated gaSteam controller 030220931 rel 1 1 02 07 2009 30 CAREL The alarms or warnings are activated if the temperature reaches and then stays above these thresholds for at least 20 seconds In the case 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 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 fun
35. e product Any uses or modifications that are not authorised by the manufacturer are considered improper CAREL S p A 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 Keep the humidifier out of the reach of children and animals Do not install and use the product near objects that may be damaged when in contact with water or condensate CAREL S p A 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 irreparably damaged CAREL S p A 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 S p A in relation to its products is specified in the CAREL S p A 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 w
36. ed 4 4 2 Selecting the type of probe AT START whenever that the steam production ends when following This is used to set the type of probe or the type of signal sent request is received the burner with the less operating hours always parameter name display Starts first along as the difference in operating hours has exceeded 10 h Probe type Oto 1V Note the difference of 10 h can be modified The parameter is called not accessible in C control mode ON OFF 10 defaut Time Diff and is displayed on the same screen as the Burner rotation Ato 20m only if one of the two rotation modes is enabled 4 to 20 mA NIC 0 to 135 ohm A n Tab 4 1 4 4 Reading and setting the configuration parameters USER submenu 4 4 3 Unit of measure The configuration parameters are used to set the operating modes of Select the unit of measure between metric and imperial the controller that is assign the essential functions of the humidifier parameter name display These parameters are normally managed by the installer or the service Unit of measure C kg h default personnel and therefore a password is required to access the screens that F Ib hr contain these parameters Tab 4 m To access these screens the sequence is e press PRG access the USER submenu e when the User Password is requested enter the number 77 To change the parameters in the same screen proceed as follows
37. eed 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 open the production of steam ends after the completion of the evaporation cycle in progress max 10 to 15 min from the opening of the contact Note that if the remote ON OFF contact opens the production of steam ceases immediately irrespective of the point that the current evaporation cycle has reached Proportional control The production of steam hourly quantity is proportional to the value
38. ents see Tab 6 a as well as the signal the alarm relay is activated described in par 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 while the message displayed is cancelled manually see Tab 6 b Even if no longer active the alarm status continues to be indicated until the reset display button is pressed The alarms that are still active cannot be reset IIn 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 also pressed 6 2 Alarm management and signals Table of alarms Meaning Cause Solution Reset Alarm codes displayed 2 alarm relating to cylinder 2 Alarm relay Action Low production alarm e power not available e with the unit on there is no steam production e flue or air inlet blocked gas tap closed e malfunction of the burner and or the controller gas tap is open e check that the air inlet is free the flue and the air inlet the electrical panel No water no water supply e check the pressure of the gas and that the e check the power connection to the fan check the operation of the brushless fan burner flame malfunction check the connections between the flame control board and the burner and between the electrical panel
39. er 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 without 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 field of reading the conductivity meter that is greater than 1500 uS cm 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 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 pro
40. g 4 a l To reset the hours press ENTER to move the cursor to the field in question e change the value using UP or DOWN press ENTER to confirm and move to the next field 4 5 4 Procedure for testing the electrical parts Password access only This procedure allows the manufacturer the installer or the service personnel to check the correct connections between the electrical components that is to check the activation of the fans burners the opening of the water fill valve e the activation of the drain pump e the activation of the dehumidification contact the activation of the alarm relays To access the test screens the humidifier must be disabled Humid enabled NO and then activated from the keypad ON The sequence is as follows press PRG access the service submenu scroll the screens until reaching Service Password enter la password 77 to accedere alle screens successive scroll the screens until reaching the enable manual procedure screen 6 enable the manual procedures setting the Manual field to Y Once the screen has been enabled the fields relating to the outputs will be active Fig 4 a m 7 toactivate the outputs simply move to the desired output and change the value with the UP and DOWN buttons Fig 4 a n 8 note that by enabling the manual procedures the following screen can be accessed to activate the burners fans Fig
41. gaSteam 45 90 n gt 180 HD002 Ens User manual Technol g y amp Evo u t LEGGI E CONSERVA gt QUESTE ISTRUZIONI 4 READ AND SAVE THESE INSTRUCTIONS pz NO POWER i amp SIGNAL N CABLES VAS TOGETHER READ CAREFULLY IN THE TEXT CAREL IMPORTANT WARNINGS The CAREL S p A 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 S p A 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 S p A 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 S p A 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
42. he two boards Fig 5 b Remote connection of the terminal up to max 50m humiSteam EJES Le 00000000 00 00 99 000 0 o o ooo 0 0 0 0 Fig 5 a 1 telephone cable up to 50 m distance 2 filters code 0907858AXX to be applied to the ends of the telephone cable 3 remote display terminal gaSteam controller 030220931 rel 1 1 02 07 2009 10 Remote connection of the terminal up to 200 m humiSteam 0000000 5 Fig 5 b telephone cable up to 0 8 m distance CAREL TCONN6J000 board pin strip J14 and J15 in position 1 2 power supply available on the telephone connectors A B and 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 J GND 6 VRL 5 remote display terminal 3 4 GSM network connection send SMS The humidifier can be configured to send SMS message for alarms and malfunctions see menu installer supervisor GSM protocol humiSteam Fig 5 c Key 1 electronic board PCOIOOMDMO to be connected to connector J19 on the humidifier board
43. humidity control 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 9 indicate the connection to be made using CAREL probes with just one relative humidity probe an outlet humidity limit probe b CAREL PROBES AVAILABLE rooms air ducts industrial applications DPWC111000 DPDC1 10000 DPPC210000 DPDC210000 DPPC1 10000 Tab 2 a CAREL The controller can also be connected to non CAREL probes see par 2 34 HT CAREL relative humidity probe CH CAREL outlet relative humidity probe a
44. ifferential L differential based on which the limit in production is calculated see Fig 7 C gaSteam controller 030220931 rel 1 1 02 07 2009 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 Application for steam baths autonomous control with temperature probe In applications for steam baths in which the control probe measures the temperature rather than the humidity the same principles are true as described in the previous paragraphs with the temperature replacing the humidity In this operating mode the dehumidification function is not available Recommended transducer ASETO30001 High temperature limit 60 C 7 3 Other functions Measuring the conductivity of the supply wat
45. ill CAREL S p A 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 S p A or its subsidiaries are warned of the possibility of such damage NO POWER i amp SIGNAL CABLES READ CAREFULLY IN THE TEXT Warning separate as much as possible the probe and digital input signal cables from the cables carrying inductive loads and power cables to avoid possible electromagnetic disturbance Never run power cables including the electrical panel wiring and signal cables in the same conduits 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 systems 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 ne
46. ion 1 Select the MENU Press PRG The Menu screen is displayed select Set and press ENTER 2 Start the Unit e Press Enter to move the curso to Humidif Enabled Press UP or DOWN to change the value e Press ENTER to confirm The screen shown in 4 h is displayed Note that in the main screen the term Disabled no longer appears Fig 4 v g the Burners Sequence row is only shown on the UG180 Fig 4 h At this stage the humidifier has been enabled and started from the keypad and is ready to produce steam Note production of steam now depends only on the control parameters selected see par 4 3 4 and the signal applied humidity or temperature probe or signal from external controller Disabling operation Similarly to the previous paragraph the operation of the humidifier can be stopped disabling the unit The sequence is the same but rather set the Humidif enabled variable to NO 4 3 2 Reading and setting the set point The main screen shows the value of the set point in the field to the right of Set control mode display in the field to the right of Setp Type H ambient humidity set point Type temperature set point Tab 4 e Setting the ambient humidity set point Sequence e go to the main screen and press PRG access the SET submenu e scroll the screens until reaching the one indicated Fig 44 Fig 4 i e pres
47. ion the following parameter needs to be enabled screen name parameter name range default Options Dehumidify CAREL Setting the fan speed for minimum and rated production These values are set by default to ensure the correct air gas mix with natural gas They are found on the screen shown below Fig 4 a d Fig 4 a d Setting the minimum production The minimum production as a guaranteed by each burner depends on the type of gas used Normally its value is 25 for natural gas and 33 for butane and propane The reference screen is the following Fig a e Fig 4 a e Manually setting the conductivity of the supply water and setting the conductivity alarm thresholds The conductivity of the 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 cycles for dilution A water conductivity value different from the reading of the conductivity meter can be set by changing parameter B4 on the conductivity screen The default value indicates that the value used is the reading made by the conductivity meter Any value 0 indirectly affects the maximum number of evaporation cycles between two drain to dilute cycles the lower the conductivity setting the higher the maximum number of cycle
48. ions have been performed as shown in the diagrams the power cable is secured to the tear proof cable clamp terminals 7U 8U are jumpered or connected to an enabling contact 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 1 02 07 2009 CAREL 4 USER INTERFACE 4 1 pGDO graphic display CAREL code PGDOPHOFOO The pGDO graphic display is an electronic device used for the complete management of the humidifier by displaying graphic icons and alphanumeric characters It allows wide range of operating temperatures 20T60 C and guarantees a high index of protection IP65 The terminal is plug amp play that is it is automatically detected and managed by the control board The pGDO graphic display 20 columns x 4 rows is backlit 4 1 1 Keypad 8 JN sp Fig 4 a button function 1 alarm lists the active alarms and resets any alarms 2 PRG from the main screen accesses the main menu 3 ESC returns to the main screen 4 UP scrolls the menus the screens the parameters and the values of the parameters 5 ENTER accesses the individual configuration parameters from the main screen accesses quick set 6 DOWN scr
49. l valve the pump and the drain filter Low level alarm low level of the water in check the correct supply of water to the manual Alarm EL active Stop the cylinder or fault with cylinder Min Water Level production the level control switch the unit off and clean the cylinder burners off the level control and the fill solenoid valve NTC probe NTC water temperature check the operation of the preheating automatic Alarm E5 active preheating disconnected not connected function and the setting of the parameters NTC probe not connected or deactivated check the connections on the terminal damaged block on the cover of the cylinder System fan 1 2 fan error check the electrical connections between automatic Warning ED not active decreased fan warning the control board and the fan speed System fan 2 fan error check the electrical connections between manual Alarm Ed active stop alarm the control board and the fan Fan Alarm 1 2 production if necessary remove the brushless fan and burner 1 2 off on corresp check its operation burner System safety thermostat stop the unit and perform complete manual Alarm Et active stop thermostat 1 2 activated due to abnormal maintenance on the cylinder Klixon 1 2 production alarm overheating of the burner 1 2 off on corresp cylinder sue to operation burner without water 27 gaSteam controller 030220931 rel 1 1 02 07 2009 CAREL
50. larm 35 R mal low production Low production alarm 36 R mal maint global Maintenance recommended 37 R mal miss water No water alarm 39 DIG R mPreAl High Conductivit High conductivity pre alarm 40 DIG R mLow Level Alarm Minimum level alarm 4 DIG R mAutotest Alarm Test alarm 42 DIG R Pre High Outlet PTC 1 pre alarm 43 DIG R Pre High Outlet Gas2 PTC 2 pre alarm 44 DIG R mal ov fan Fan 1 high speed alarm 45 DIG R mal ov fan2 Fan 2 high speed alarm 46 DIG R Res Al Reset alarms 57 DIG R Low_Level Low float level sensor 58 DIG R Medium_Level Medium float level sensor 59 DIG R High_Level High float level sensor 60 DIG R Foam_Level Foam level sensor 31 gaSteam controller 030220931 rel 1 1 02 07 2009 CAREL Address Type Access Variable name Description 1 INT R UNIT_STATUS Humidifier status 2 INT R FAN_RPM Fan 1 speed 3 INT R AN_RPM2 Fan 2 speed 4 INT R COND_PARAM Conductivity measured 5 INT R BURNER1_STATUS Burner 1 status 6 INT R BURNER1_ACTIVITY Burner 1 activit INT R BURNER2_STATUS Burner 2 status 8 INT R BURNER2_ACTIVITY Burner 2 activity 9 INT R RUNNING HOURS HI 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 12
51. manually using the manual drain tap Fig 5 h where it is necessary to connect a pipe to drain the water external Fig 5 h CAREL 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 needs 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 disable
52. olls the menus the screens the parameters and the values of the parameters Tab 4 a 4 1 2 Main screen 1 2 urb by Keyboard E e 5 Fig 4 b symbol X function 1 indicates the selected control mode 2 value read according to the type of signal connected 3 set point value 4 general operating status 5 alarm icon Tab 4 b Types of descriptions PR 000 0 kg h steam production in progress the current steam flow rate is displayed ALARM steam production disabled by alarm OFF FROM SUPERVISOR steam production disabled by supervisor OFF FROM TI ME BAND steam production disabled during pre set time band OFF FROM REMOTE steam production stopped by opening the Remote ON OFF contact OFF FROM KEYPAD steam production disabled from the keypad NO REQUEST unit on without steam request DISABLED humidifier disabled from the keypad gaSteam controller 030220931 rel 1 1 02 07 2009 12 4 1 3 INFO screen read only Readings of the measurements and the main parameters The main measurements and parameters can be displayed very simply by scrolling the screens that staring from the main screen par 4 1 2 are accessed by pressing the UP and DOWN buttons These screens contain the values listed in Tab 4 c display UOM access description steam kg h or Ib hr total
53. operation these produce 180 kg h of steam Ideally the gaSteam 180 can be considered as two separate humidifiers each with its own burner and able to produce up to 90 kg h The two systems are managed based on the setting of the Burner Sequence parameter seen in the previous table CAREL As each burner must operate so that the corresponding ideal humidifier produces a minimum of 2596 for natural gas 3396 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 steam request is divided equally between the burners 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 5096 of the rated production only one burner is operated Only if the request exceeds the 50 96 does the other burner start Example of PARALLEL mode 100 50 100 Example of Series mode bD 2 lt 50 hyst 100 50 CD Pp bD bD 2 POR 50 100 bD 2 gt 50 hyst 100 50 bD bD 2 50 100 gaSteam controller 030220931 rel 1 1 02 07 2009 100 50 bD bD 2 Min Prod 100 bD Fig 4 0 100 50 bD bD 2 bD 50 100 100 50 bD bD 2 50 100 Fig 4 p e PARALLEL mode the minimum possible produc
54. ote contact CR b operation by external mechanical humidistat H acombination 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 90104 ele ele dd 21 ele ele E L CR CR N 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 e voltage 0 to 1 Vdc 0 to 10 Vdc 2 to 10 Vdc current 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 1 02 07 2009 External regulator Fig 2 d C Type H control
55. own Fig 5 d is displayed used to enable disable operation with treated water and set the number of evaporation cycles between two drain for dilution cycles default is treated water mode pressing ALARM confirms the settings displayed and exits the screen pressing ENTER positions the cursor in the field that is used to enable or disable the treated water mode by pressing the UP or DOWN buttons pressing ENTER again moves to the field for setting the number of cycles UP and DOWN change the value pressing ENTER again and then ALARM confirms the values set and exits the screen Fig 5 d IMPORTANT The value set by default for the number of evaporation cycles between two drain cycles Force drain cycles is the value recommended by the manufacturer To change this setting without causing operating problems contact qualified personnel 4 End Autotest setting the heating value of the supply gas After exiting the Treated water screen the screen shown Fig 5 e is displayed which prompts the user to set or confirm the HHV higher heating value of the supply gas in Kj m3 This option has been made necessary for different regions of the world where the humidifier may be installed The heating value is provided by the gas company pressing ALARM confirms the value displayed and exits the screen pressing ENTER allows the value to be set using the UP and DOWN button
56. rd 0077 Fig 4 a t which opens the time band activation screen Fig 4 a u Fig 4 a t Fig 4 a u There are two possible settings e timed humidifier On Off operation timed humidity set point control In addition both functions can be enabled to work at the same time gaSteam controller 030220931 rel 1 1 02 07 2009 22 CAREL 4 6 1 Timed humidifier On Off operation This function can be used to set humidifier on and off times specifically and separately for each day of the week Once the humidifier is on the production of humidity depends only on the control parameters set see par 4 3 4 and the humidity measured Sequence go to the scheduler screen Fig 4 a v set the field to the right of On off timezones to Yes press ENTER to confirm Fig 4 a v This then activates the following time band control screens To display these position the cursor using ENTER at the top left and then press UP and DOWN to scroll the screens Four different time bands can be selected Setting the ON OFF bands time band ON OFF description S 51 1 09 00 13 00 the humidifier remains on the values in the 512 1400 2100z table are the default values These can be modified by moving the cursor to the values and using the or DOWN button 52 14 00 21 00 the humidifier remains on the values in the table are the default values which can be mo
57. s The limit values for the high conductivity warning and alarm can also be set on the same screen The screen has the following characteristics Once dehumidification has been enabled the set point and differentia parameters can be modified To do this go to the following screen Fig 4 a b under the SET submenu Fig 4 a b The characteristics of these parameters are listed below screen name parameter name range default UOM Control Param Dehumid set humdity set 100 0 point to 100 0 Dehumid diff 2010199 5 0 Setting the production 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 parameter formerly parameter b9 in the old gaSteam models 40 45 90 that is found in the screen shown Fig 4 a c parameter set to zero 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 Fig 4 a c gaSteam controller 030220931 rel 1 1 02 07 2009 20 screen name parameter name range default UOM Conductivity Forced B4 2000 0 uS cm Pre
58. s e pressing ENTER again confirms the value set and then pressing ALARM exits the screen IMPORTANT The value set determines the correct operation of the humidifier Contact qualified personnel before changing it gaSteam controller 030220931 rel 1 1 02 07 2009 24 Fig 5 e 5 Autotest and settings The AUTOTEST procedure is enabled by default and consequently at start up the main functions of the unit are automatically checked fill drain and control of the level sensor If enabled the AUTOTEST procedure starts whenever the electronic controller is switched on Nonetheless the AUTOTEST procedure can be disabled see par 4 4 6 6 Operating phase main screen Fig 51 Fig 5 f 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 move the rocker switch to 0 see Fig 5 9 and check that the display on the controller is off close the shut off tap on the water line to the humidifier OFF Fig 5 9 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
59. s ENTER to move the cursor to the field to the right of rH Set P press UP or DOWN to change the value press ENTER to confirm Characteristics and limits of the set point unit of default min limit max limit measure value 1 humidity control rH 50 0 0 0 100 0 control Tab 4 f gaSteam controller 030220931 rel 1 1 02 07 2009 CAREL Warning the outlet humidity set point relating to the limit probe is saved with the parameter Limit Set see par 4 3 4 Setting the temperature set point This operation is only possible if T control mode has been activated Sequence go to the main screen and press PRG e press ENTER to move the cursor to the field to the right of Temp Set press UP amp DOWN to change the value e press ENTER to confirm Setting the outlet humidity set point This operation is only possible if H control mode with outlet limit has been activated see the paragraph Setting the control mode par 4 3 4 Sequence go to the main screen and press PRG e access the SET submenu Scroll the screens until reaching the one indicated here e press ENTER to move the cursor to the right of Limit set press UP amp DOWN to change the value e press ENTER to confirm 4 3 3 Modifying the maximum production allowed The maximum production allowed can be modified in all control modes 1 Select ME
60. s Note for the Ly rotation not active minimum limit for this parameter see par 5 17 Setting 12 5 to 100 0 UG180 only if boiler production sequence series Set P 0 to 100 0 50 06 In control mode and control Humidity set point 5 Differential 2 0 to 20 0 5 0 mode with outlet limit Limit Set rH set point to 100 0 80 0 only in H control mode with Outlet humidity set point L Diff 2 0 to 20 0 5 0 outlet limit Outlet humidity differential Temp Set 0 to 50 0 30 0 C Only in T control mode Temperature set point 32 0 to 122 0 86 0 F Temp Diff 2 0 to 19 9 5 0 C Temperature differential 35 6 to 68 41 0 F Low Room hum _ 1000 10 0 06 In H control mode and H control Low humidity alarm threshold High Room hum 0 to 100 0 90 0 mode with outlet limit High humidity alarm threshold 2 High Limit 0 to 100 0 100 0 rH only H control mode with outlet High outlet humidity alarm threshold limit 5 Low Temp 0 to high threshold 0 E only in T control mode Low temperature alarm threshold 32 0 to high threshold 32 0 High Temp low threshold to 60 0 60 0 C High ambient temperature alarm threshold lt low threshold to 140 0 1400 F Tab 4 0 15 gaSteam controller 030220931 rel 1 1 02 07 2009 4 3 5 Setting the operating sequence of the two burners UG180 only The gaSteam 180 manages the operation of the two burners so that in steady
61. s requested Preheating thus speeds up the return to steam production when next requested There are three options 1 preheating disabled 2 preheating enabled operation by temperature restriction on 96rH In classic mode 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 CAREL This is enabled by setting TEMP rH for the preheating options present in the screen shown in Fig Fig 4 t 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 396 while it is deactivated when it falls below 196 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 The values of the preheating offset and hysteresis parameters can be changed from the default values These must be as follows Range 2 0 20 0 C Default 3 0 PC Default 2 0 C Preheating offset
62. screen containing the parameters shown in the table the controller can be configured so as to be able to communicate correctly using different communication protocols The parameters in question are listed in the following table parameter name range default UOM ID number for to 200 1 Network Comm speed 1200 2400 4800 9600 19200 19200 Bps Protocol CAREL Modbus LON RS232 CAREL GSM 4 5 Service submenu By entering the service submenu the installer or service personnel can access information and perform any required operations 4 5 1 Setting the language The language can be set to English or Italian The sequence is listed below a Press The Menu screen is displayed b Using the DOWN button move to the service field C Press ENTER Fig 4 v r d Press ENTER to move the cursor to the language field and change the setting using UP or DOWN e Press ENTER to confirm The language can also be set during the start up sequence in fact when the following screen appears the language can be set by simply pressing one of the two UP or DOWN arrows and then pressing the ENTER button to save the change NOTE the default language is English 4 5 2 Information on the firmware The second screen in the service submenu indicates the code and the version of the application installed The third screen corresponds to System info that is the BI
63. t maintenance manual Alarm CL MDrain active stop blocked level sensor tube maintenance production blocked Tab 6 a 6 2 2 Resetting the alarms The alarms are signalled by the flashing of the alarm button and display of the alarm icon The alarms are reset in the sequence shown in the following table sequence effect Pressed once displays the alarm code NOTE in the event where more than one alarm is present to display all the alarms after pressing the alarm button the first time press the UP or DOWN buttons 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 longer present resets the display of the alarm and cancels the following screen HBllanme Fithian Pressed a fourth time returns to the main screen gaSteam controller 030220931 rel 1 1 02 07 2009 28 Tab 6 b CAREL 7 OPERATING AND CONTROL PRINCIPLES OTHER FUNCTIONS 7 1 Operating principle In a gas fired humidifier the production of steam is 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 sp
64. tion is 45 kg h Series mode the minimum production is 22 5 kg h Key production burner 1 total total request production burner 2 total 2 in P control 0 1 in H T control total production gt bD 2 pp 50 100 production burner 1 totale richiesta globale production burner 2 totale production totale H 2 in P control 0 1xPO in control T hyst parametro Seq Hyster def 5 0 range 0 20 0 7 P 100 2 hyst DD P 100 Ov U7 W CAREL It can be seen that an hysteresis is required in the intermediate burner On Off zone which is managed by the Seq Hyster 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 Key 1 production burner 1 total 10096 50 100 50 100 2 total request 3 production burner 2 total Pda 50 bD bD 2 bD bD 2 bD bD 2 in 10096 bD 5096 10096 00 2 pp 50 100 Fig 4 9 burners UG180 only 4 4 1 Configuring the control mode
65. ty set point for that time band press ENTER to confirm and move to the next field Figures 4 b d and 4 b e show an example of the time band settings The graph in Figure 4 b f represents the trend in the set point throughout the day Fig 4 b d Fig 4 b e Set 100 90 80 70 60 B0 40 30 ee 20 00 00 08 30 12 30 13 30 18 00 Fig 4 b f 4 6 3 Combined control The activation of both control modes is used to set both the humidifier ON OFF times and the set point values during the day To do this both the values in the fields on the screen shown Fig 4 b g must be set to Yes This will enable all the subsequent screens for setting the time bands and the set point Fig 4 b g 23 4 7 Alarm log submenu The humidifier memory can record the alarms that are activated during the life of the humidifier The memory saves up to 200 events and information is available both on the type of alarm and on the date and time it occurred To access the alarm log simply go to the Alarm log submenu History Alarms Use the UP and DOWN buttons to scroll all the events that have been saved the number of the event is shown in the top right of the screen 4 8 Unit On Off submenu To start the unit proceed as follows a press PRG The Menu screen is displayed Scroll with the DOWN arrow until moving the cursor to ON OFF UNIT Fig 4 b h
66. ud um out HHI O 1U out H IO 10 HT M xw HT M Ke JU 0 Io 3u ale 3U SH O 4U 50 out H AO 5U SE su CH M 6U MSH 7U A 7U en 18 La 19 8U g aL Fig 2 9 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 ASETO3001 with a range of measurement 30T90 C The recommended CAREL probes have a Oto 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 N TT out T ie 1U M lt 2U 6 te 7 18 40 19 5U IO AO 7U SEES Ie a N 2 2 Pin strip position on the board for probe configuration DS xe Te Fig 2 pin strip configuration position Oto 10 1 Vdc 4 to 20
67. w equipment 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 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 in the event of illegal disposal of electrical and electronic waste the penalties are specified by local waste disposal legislation 165 B5 Warranty on the materials 2 years from the date of production excluding consumables Approval the quality and safety of CAREL S PA products are guaranteed by the ISO 9001 certified design and production system as well as by the mark gaSteam controller 030220931 rel 1 1 02 07 2009 CAREL CONTENT 1 GENERAL CHARACTERISTICS OF THE MAIN CONTROL BOARD 7 2 CONTROL SIGNALS FROM THE FIELD 8 2 1 Humidity or temperature Control 8 2 2 Pin strip position on the board for probe configuration 9 2 3 Using other brand probes rin 9 3 AUXILIARY CONTACTS 10 esne n vaste T 10 5 2 Dehumidification COMA unsere tonta 10 SO REMO TEMIN een 10 3 4 GSM network connection send 5 10 5 4 50 DOIWOFK ott 11 c 1
68. y drain nactivity days Service warning De humi dif in prod 0 100 Fan Speed in omi nal Burner min product Conductivity Forced Y N Warning Alarm Language choice at start up On off from superv Y N BMS network Maintenance Language ii Italiano naeh Protoco System Info Hour counters zer Hour counters reset Burner 1 Y N Burner 2 Y N gaSteam Y N Manual Fill Y N Drain Y N Dehum Y N Alarm Y N Regul limit Softened water Forced drains gt Clock clock Clock update Ti me Date Password clock Schedul er Humid On off Y N Schedul er 51 1 51 2 52 53 54 Week Scheduler Mon Two Wen Thu Fri Sat Sun Set point Y N Sched Set point 1 52 53 Alarm history S4 Fig 4 f 9 On off unit 13 gaSteam controller 4 030220931 rel 1 1 02 07 2009 4 3 Set submenu This submenu is used to access the screens for enabling the steam production unit and setting the control parameters 4 3 1 Enable operation start stop steam production Once the unit has been switched on from the keypad see Par 4 8 the enable function effectively starts the humidifier Subsequently steam production is related solely to the humidity request or the presence of an alarm or a remote OFF signal If the humidifier is not enabled for operation the main screen appears as shown in Fig 4 0 Fig 4 g Enabling operat

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