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1. From the main screen press 6 4 Set scheduler lt PROG to access the main menu e ENTER to select and access the selected menu Note this screen is visible if scheduler ON OFF has been enabled lt UP DOWN to move between the submenus see the enable scheduler screen lt ENTER to enter the submenus r i Sei lt ENTER to select the parameter and move between the parameters di of the intervals for the operation of the humidifier over one day UP DOWN to modify the parameter S lt ENTER to confirm selected parameter and go to the next parameter time band ON OFF lt ESC to return to the previous menu Pl a 09 00 13 00 14 00 21 00 User menu screens P2 14 00 21 00 ON 1 Alarmthresholds o 2 Clock y 3 Enable scheduler Parameters P1 to P4 can be used set how many times atomised water 4 Set scheduler production is enabled disabled over a 24h period 5 Weekly scheduler 6 Scheduled set point P1 Two daily ON time bands OFF ON OFF ON OFF oto LI Lom P1 1 P1 2 6 1 Alarm thresholds P2 Individual ON time band OFF ON OFF parameter par name range default UOM Main probe alarm high alarm Oto 100 0 100 0 0 P2 24h thresholds low alarm Oto 100 0 0 0 Limit probe alarm high alarm Oto 100 0 100 0 P3 Always ON thresholds ON Alarm delay 0 to 999 1 min PP 0 24h P4 Always OFF OFF 6 2 Clock 0 24h Used to set
2. MCmultizone 030221981 rel 2 1 21 05 2009 40 CAREL 14 INSTRUCTIONS FOR INSTALLATION IN DUC For duct applications the solution with two probes is recommended lt humidity probe or signal from external controller limit probe this solution can be used indifferently for both types of cabinet lt ON OFF Modulating The modulating cabinet is recommended for this type of application By modulating the capacity of the atomisation system the maximum possible production can be delivered without ever reaching saturation conditions inside of the duct The atomisation manifold Fig 11 is made up of an air line and a water line located below At the end of the lines two ball valves should be installed for bleeding the lines duct front view air flow M y y Kies T water line gt air line cabinet air line water line 230 I h 22 mm 1 2 G 22 mm 1 2 G 60 I h 14 mm 1 2 G 14 mm 1 2 G 14 1 Positioning the atomisation manifold Figure 12 shows the possible positions for the atomised water manifold The control cabinet must where possible be installed near the manifold with the atomising heads Critical measurements for the assembly of the manifold in the duct 1 Distance of the heads from the surfaces of the duct The maximum distance H reached by the jets of ato
3. 23 D Pi N NO uf RN Del ITT OO 2 2 2 2 2 5 2 G0 OOOO COM1 COM2 COM3 e Poda Jo o lo co EIS BIBIEE com cowo coma NO solenoid valve normally open water line Connections the contac current 2 A resistive inductive Status of the contact in funziona al o stato dell MC MC cabinet OFF or in contact open standby P cabinet with contact closed production request Start compressor water treatment Connections MC cabinet Output 113 NOS ON OFF C4 COM GR shield MC cabinet solenoid valve GO 1 NO4 2 GR 4 3 8 Cumulative alarm relay J14 Activated when one or more alarms is detected via a contact output that can be transferred to a supervisory system Cable shielded AWG 15 20 i f power 500 VA Electrical specifications of voltage 250V the relay current 2 A resistive inductive Status and operation of contact open no active alarms the relay contact closed active alarm alarms Alarm relay Connections MC cabinet Output D I C07 COM N07 ON OFF GR shield MCmultizone 030221981 rel 2 1 21 05 2009 3 9 Alarm inputs from external devices Inputs for signalling the air flow sensor status of external devices such as air compressor alarm water treatment system alarm Cable shielded AWG 15 20 Configur
4. co D External contact for activating the wash function MCmultizone 030221981 rel 2 1 21 05 2009 Connections CAREL MC cabinet Relay for activating wash on ext signal 1D7 ON OFF COM1 COM 3 12 Supervisor network CAREL optional cards serial card Hl st deefe network card protocol supported PCOS004850 RS485 CAREL Modbus PCO100MDMO PAIS CAREL for remote connections modem TCP IP SNMP v1 amp v2c D TM i Amena BACnet Ethernet ISO8802 2 8802 3 BACnet IP PCO10000F0 LON in FTT10 LON Echelon PCO1000BA0 a BACnet MS TP When suitably programmed A Important Follow the instructions provided with the optional cards as expansions regards the technical specifications connections and 3 13 Proportional 0 to 10 Vdc output J4 Parallel output to the 0 to 10 Vdc signal sent to the proportional valve e 2 g seco 0 10 Vdc essen Rif MC cabinet Outputs VGO REF VI 0 to 10 Vdc Output specifications maximum load 1 kQ 10 mA CAREL 4 MASTER SLAVE APPLICATIONS lt MC master cabinet unit fitted with display to manage the operation ofthe unit itself and the other units connected lt MC slave cabinet unit without display that normally works based on the controls received from the master lt pLAN serial communication system to connect the
5. 14 CAREL 3 5 Control signals from air line pressure 3 7 External utility control J13 transducer J2 Cable shielded AWG 15 20 Control to interface MC compressors CAREL for the codes of the probes see chap 16 2 with water treatment systems 4 Maintenance 0 to 4 bars 4 to 20 MA 11 to ower 500 VA Tensa 60 psi Supplied with cable in different lengths Electrical specifications of na 250V depending on the code 10 m 50 m 100 m dm field card serial card JI 71243 2 z gt n I Ta mo Da All 38 hesetlhzed TREFFER ss L gt BLACK re L EN MODE O bag GR O Pressure probe Connections MC cabinet cable pressure probe B3 white J2 GR shield VDC black A 3 6 Connection of NO drain solenoid valve at end of water line group of ID terminals NO solenoid valve normally open CAREL code MCKDVWLOOO or code MCKDVWL001 20 VA 24 Vac Recommended connection cables up to 100 m shielded cables size 1 5 mm AWG1 5 up to 200 m shielded cables size 2 5 mm AWG13 Electrical specifications of the contact power 500 VA voltage 250 V current 2 A resistive inductive
6. MCKFSVBCOO NC air solenoid valve 60 I h water NW MCKMW02500 water outlet pressure gauge NW 0 to 2 5 bars MCKDSVWCOO NO solenoid water valve NW MCKW000001 ON OFF aggressive water line 230 l h MCKW0000U1 ON OFF aggressive water line 230 l h UL MCKMW10001 inlet pressure gauge AW 0 to 10 bars MCKMNFDOOO manifold MCKMROWOOO manual water pressure regulator MCKFSVWCO1 NC water solenoid valve AW a MCKMWO2501 water outlet pressure gauge AW 0 to 2 5 bars MCKDSVWCO1 NO solenoid water valve AW 45 MCmultizone 030221981 rel 2 1 21 05 2009 W I U eb el main CAREL NC air solenoid valve 60 h water for NW E F S V B C 0 0 NC air solenoid valve 230 L h C SIV A C 0 0 NO water solenoid valve for NW C D S V W C_ OJO NC water solenoid valve for AW E F S V W C 0 NO water solenoid valve for AW C DjS V W C 0 pressure gauge 0 to 12 bars C A 1 2 0 0 0 inlet pressure gauge AW 0 to 10 bars wW 1 0 0 0 air outlet pressure gauge 0 to 4 bars C A 0 4 0 0 0 water outlet pressure gauge NW 0 to 2 5 bars C W 0 2 5 0 0 water outlet pressure gauge AW 0 to 2 5 bars C W 0 2 5 0 man
7. The action is all or nothing activated by an external contact that consequently determines the control set point and differential The external contact may be a humidistat whose status determines the operation of the humidifier contact closed the humidifier produces atomised water if the remote ON OFF contact is also closed contact open production ends ON OFF control with humidity probe The action is all or nothing activated based on the reading of the probe production starts and reaches the maximum when the relative humidity is lower than the set point by the set differential To set the set point and differential for the main control probe SET menu To check that the value measured by the probe is within certain preset values two alarm thresholds can be set lt high humidity alarm threshold lt low humidity alarm threshold When these thresholds are exceeded an alarm is activated after a set delay A a Request ti P Max rH 0 Set point 100 ON OFF control with temperature probe The action is all or nothing activated based on the reading of the probe production starts and reaches the maximum when the temperature is lower than the set point by the differential To set the set point and differential for the main control probe SET menu To check that the value measured by the probe is within certain preset values two alarm thresholds can be set lt high temperature alarm thr
8. The drain hose connected downstream of the solenoid valve must have a diameter that is greater than or equal to diameter of the line upstream If this is not installed fit an easily accessible ball valve for cleaning bleeding the line when commissioning and restarting each season 4 At the end of the air line an easily accessible ball valve should be fitted for cleaning bleeding the line when commissioning and restarting each season 5 To control the pressure in the air line use one of the following devices installed at the end of the line Pressure gauge supplied as an option lt Pressure transducer supplied as an option With the devices listed above depending on the type of cabinet used refer to the following for ON OFF cabinets lt With a pressure gauge installed at the end of the line the pressure drop in the line can be displayed and if necessary the pressure increased to 2 1 bars using the manual pressure regulator located inside the cabinet lt With the pressure transducer the pressure at the end of the line can be shown on the controller display and if necessary increased using the manual pressure regulator for cabinets with modulating control lt With a pressure gauge installed at the end of the line the pressure at the end of the line can be read and if necessary increased using the corresponding parameter on the electronic controller e With the pressure transducer the cabinet automaticall
9. The humidifier controller based on the input signal from a probe an ON OFF contact or external controller activates the cabinet to start the production of atomised water at maximum capacity and stops the production when the set point is reached As well as the room probe the limit probe for humidity control is fitted in a significant point of the installation to avoid excessive condensation Normally the humidity control probe is located in the ducts of the air handling unit ON OFF operation The activation logic is Request ON contact closed gt No request OFF contact open gt Humidifier in production Humidifier in stand by not in production Status of the outputs Humidifier in production lt Water line active NO drain solenoid valves active NC fill solenoid valve active Air line active NC air line activation solenoid valve active Humidifier off not in production lt Water line inactive NO drain solenoid valves deactivated NC fill solenoid valve deactivated Air line inactive NC air line activation solenoid valve deactivated Operation in modulating versions The humidifier controller based on the input signal from a temperature or humidity probe or external controller activates and modulates the quantity of compressed air so as to achieve a humidification capacity proportional to the request from the external controller or to the difference between the desired value set point
10. 4 1 Applications for one large space or AHU single point 17 12 2 Sizing the compressor 4 2 Applications for multiple spaces or AHUS multizone 17 12 3 Sizing air water lines between cabinet amp distribution 4 3 Setting the serial address for units with multiple slaves 17 SYSTE ieena rei alieni 37 4 4 PLAN network connection N 18 13 INSTRUCTIONS FOR INSTALLATION IN ROOMS 39 5 STARTING AND USER INTERFACE 19 13 1 Tips for correct installation A A 19 13 2 Assembling the atomising head 5 2 Stopping 19 13 3 Positioning the humidity probes 5 3 First start up setting the language 19 13 4 Important rules to be followed 54 KEY Oa una 14 INSTRUCTIONS FOR INSTALLATION IN DUCTS 41 5 5 Main screen 5 6 INFO screens EN 14 1 Positioning the atomisation manifold Al 5 7 SET screen 14 2 Important rules to be followed 58 pLAN screen 14 3 Positioning the humidity probes 42 f 14 4 Manifolds for installation in ducts DO MAMI ISI CP e 21 A 15 MAIN ADJUSTMENTS 43 6 USER MENU 22 nn 6 1 Alarm thresholds 6 2 6 3 Enable scheduler 6 4 Set scheduler 6 5 Weekly scheduler 5 MCmultizone 030221981 rel 2 1 21 05 2009 16 MAINTENANCE 44 16 1 Maintenance procedures 16 2 Kits amp optional accessories for the air water line see chap 2 44 16 3 Kits amp optional accessories for the atomising heads see chap 44 16 4 Spare
11. Power supply 110 230 Vac 12 Vdc 0 5 A modulating version only CAREL code MCKAL00000 1 5 Electrical specifications Models MC D 230 V 50 Hz MC CD 00 MC CD 01 MC HD 00 MC HD 01 Vac 230V 230V 230V 230V phases 1 1 1 1 Hz 50 60 Hz 50 Hz 50 60 Hz 50 Hz Power 37W 44W 41W 48 W Current 0 26 A 0 29 A 0 30 A 0 33 A Product in compliance with EN55014 EN61000 EN60335 Models MC 1 110 V 60 Hz MC C1 00 MC C1 01 MC H1 00 MC H1 01 Vac 110V phases Hz 60 Hz Power 37W 44W 41W 48 W Current 0 54 A 0 60 A 0 64 A 0 70 A Product approved to UL998 amp CSA C22 2 No104 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 1 6 Opening the packaging gt make sure the humidifier is intact upon delivery and immediately notify the transporter in writing of any damage that may be due to careless or improper transport move the humidifier to the site of installation before removing from the packaging grasping the neck from underneath open the cardboard box remove the protective material and remove the humidifier keeping it vertical at all times 1 7 Positioning the cabinet The humidifier should be positioned so as to guarantee the following Be reading the values on the display access to the keypad on the display opening the front panel access to the inside parts for checks and maintenance connection of
12. and the value measured by the probe In this case too the limit probe is also used to measure the humidity in a significant point of the installation and avoid excessive condensation In modulating operation the system MANAGES a humidity set point with an optional limit signal from the second probe a temperature set point or a request signal proportional Standard control of humidity production is performed using a proportional valve AO2 controlled by a O to 10 V signal The system behaves as follows Status of the outputs Humidifier in production lt Water line active NO drain solenoid valves active NC fill solenoid valve active e Airline active NC air line activation solenoid valve active Proportional valve controlled proportionally to required pressure Humidification not request lt Water line inactive NO drain solenoid valves deactivated NC fill solenoid valve deactivated e Air line inactive NC air line activation solenoid valve deactivated proportional valve closed The use of the request signal and the extent of control of the proportional air valve depends on the type of control selected ON OFF and modulating control share the ratio between the values that is the maximum signal applicable to the proportional solenoid valve corresponds to the rated production Pnom MCmultizone 030221981 rel 2 1 21 05 2009 32 CAREL 10 3 Control principles ON OFF control from contact
13. in general running to the atomising nozzles preferably Teflon or liquid Teflon Ca 0 65 5 OR 20 C R so 20 93 OR 20 C A Important the supply water must comply with the requirements of UNI 8884 UNI 8884 standard Characteristics and treatment of the water in cooling and humidification circuits According to this standard the humidifier must be supplied with water that as well as being drinkable EC directive 98 83 must remain within the following limits lt electrical conductivity lt 100 uS cm lt total hardness lt 5 TH 50 ppm CaC03 65 lt pH lt 85 lt chloride content lt 20 mg l silica content lt 5 mg l lt conductivity less than 30 uS cm it is recommended to use the MC cabinet in the version for aggressive water Similar requirements are also specified in the European reference standards VDI6022 VDI3803 Upstream of the cabinet connect the following to the water line lt a water filter with a filter size no greater than 5 microns filters available upon request lt anexpansion vessel not supplied by Carel SpA with a capacity of several litres to avoid water hammer that may damage the installation The water line is tested and checked at a pressure of 0 35 bars downstream of the cabinet 11 2 6 Water and air line accessories code description fittings reference dwg page 10 CFILOILO1 3 8 oil filter for air G3 8 F in ou
14. prod 50 to 100 100 Prop band 2 to 199 J5 rH C F Limit set li mit probe set 0 to 100 80 r point Prop band 2 to 19 9 5 Yor visible only if the limit probe is enabled 5 8 pLAN screen From the main screen press lt DOWN to access the menu lt ENTER to select the unit lt UP amp DOWN to move from one unit to the next lt ENTER to confirm Units connected 1 master 2 slave 3 slave 4 slave 5 slave 6 slave Current Network CAREL 5 9 Main menu D number for BMS network Com speed Type of protocol Enable ON OFF from To access press PRG from the main screen Buttons i hea the hans Supervisor lt UP amp DOWN navigation inside the submenus screens and range of A Gr arual all aris ETE NETT values and settings Water treatment ENTER confirm and save the changes made Logic u c ESC to go back pressed repeatedly returns to the Main screen opresar Logic Flow switch e Logic e EE 1 Alarm thresholds Main probe thresholds 7 pLAN config PLAN config 1 2 LAN High alarm e Low alarm P d Limit probe thresholds ii m High alarm Alarm delay PLAN config 2 2 2 Clock Clock bre Hour 53 Day S4 Month 55 Year 56 Ge Alarm delay 3 Maintenance 1 Reset conf Configuration 3 Enable scheduler TROTA password 77 Save config Variable set point RE 4 Set scheduler Te Rest
15. 19200 bps 9600 19200 type of protocol Carel Modbus Lon Carel RS232 Winload enable ON OFF YES NO NO from supervisor 7 6 External alarms parameter range def UOM water treatment NO YES NO logic NC NO NC compressor NO YES NO logic NC NO NC flow switch NO YES NO logic NC NO NC 7 7 pLAN configuration pLAN configuration mode 1 2 parameter range def UOM pLAN master master slave master Mode multizone single multizone point pLAN configuration units present and names 2 2 parameter range def UOM M1 YES NO YES 52 53 54 S5 S6 YES NO NO Alarm delay 0 to 99 30 S The MASTER and SLAVE units are named by default however they can be renamed using the list of the characters shown below A B C D E F G H J K L M N O P Q R S T U V WwW X Y Z 0 1 2 3 4 5 6 7 8 9 Ae 8 To modify the character in the space selected use UP and DOWN to confirm the character and move to the next space press ENTER 25 MCmultizone 030221981 rel 2 1 21 05 2009 Important the operations described in this menu must only be carried out by qualified personnel he main screen press PRG to access the main menu DOWN to move to the maintenance menu ENTER to move to the password P DOWN to enter the password 77 NTER to access the selected menu P or DO
16. GND M J2 BI out H c Modulating control with external controller and limit probe Oto1V 0to10V 2to 10V Oto20 mA 4to20mA J24 V term BI GND 5V ref BI BI BI B E ty GND VDC B4 BC4 as Si BCS VG ven vl n gt Y3 i I I I L EE a bo foo Cato Leer aaa aia Eka ASA EE Sl I I ER I I I I gt La te an BEER AA Mirra figg O Limit humidity probe External controller MCmultizone 030221981 rel 2 1 21 05 2009 Connections MC cabinet limit humidity probe external controller V term G cia GND M REF BI OUT e ER out H d Mod control with ambient probe amp limit probe Oto1V Oto10V 2to10V Oto20 mA 4to20mA a z Ki Wem N da re TI B2 B N GND VDC B4 BC4 _ gs WW BC5 VG VGO vl Y2 Y3 I le ostello Q li 5 KES di O a Sl DI I DI CGR II I 7 lol Poo o ES ES SSR opor ln ey co Sou EE G r O Limit humidity probe Ambient humidity probe Connections MC cabinet limit humidity probe amb humidity probe V term G G a GND M M Bl out H gt B2 outH 7 e Modulating control with temperature control Oto1V Otol0V 2to10V Oto20 mA 4to20mA NIC ambient temperature probe Connections MC cabinet Ambient temperature and limit humidit
17. Manual procedure 2 3 Characteristics of the air line 8 4 Hour counter 2 4 Type of compressed air BD AlI nja EE 2 5 Type ne and air lings 9 TABLE OF ALARMS 27 2 6 Water and air line accessories 11 lt NI ASAS 3 ELECTRICAL CONNECTIONS 12 10 ADVANCED FUNCTIONS 28 A A 10 1 Wiring diagrams 10 2 Operating principle 10 3 Control principles 3 2 Remote ON OFF ID amp COM 3 3 Modulating control signal J24 amp J2 3 4 Control signals from ext voltage free contact i e ON OFF 10 4 Pressure control humidistat ID amp COM 14 10 5 Drain fll 3 5 Control signals from air line pressure transducer J2 15 10 6 Periodical washing of the water line 3 6 Connection of NO drain solenoid valve at end of water line 10 7 Automatic cleaning of the atomising headS group of ID terminals 10 8 Pressure OVEFDOOLS ire 3 7 External utility control J13 11 GENERAL CHARACTERISTICS OF THE 38C lati lay J14 IA DISTRIBUTION SYSTEM 36 3 9 Alarm inputs from external devices 16 TFT ES T 3 11 Enable wash water line on external signal 16 11 1 Atomising head 3 12 Supervisor Wo stc ee 16 11 2 Assembly kit 3 13 Proportional 0 to 10 VAC oummut ssssssssssvsss1ssvrssvrvrvririrrnrtstnrnstnenrnranenene 16 12 DESIGNING A SYSTEM 37 4 MASTER SLAVE APPLICATIONS 17 12 1 Sizing an MC system
18. NC water fill solenoid valve in the cabinet is activated opened lt the NO drain solenoid valve in the cabinet is activated closed lt the NO solenoid valve at the end of the line is deactivated opened The duration ofthe fill cycle can be set by parameter and depends on the length of the line During the filling phase the air line is deactivated At the end ofthe cycle the NO drain solenoid valve at the end ofthe line will be closed and the air line will be activated so as to resume production The function can be activated by parameter and when deactivated the status is as illustrated in chapters 3 and 4 10 6 Periodical washing of the water line Function required for hygiene health reasons when the humidifier is not operating To activate this function installer menu gt special functions gt special functions 2 3 can be performed automatically by time or manually The washing procedure is similar to the fill cycle described above starting from empty lt the NC water fill solenoid valve in the cabinet is activated opened lt the NO drain solenoid valve in the cabinet is activated closed lt the NO solenoid valve at the end of the line is deactivated opened The duration ofthe wash cycle is longer than the fill cycle and in this case too depends on the length of the line The duration and the frequency of the wash cycle can be set by parameter During the washing phase the air line is deactivate
19. and oil free air 2 2 Type of supply water demineralised water by osmosis drinking water however more dust in the room and more frequent maintenance and cleaning the nozzles softened water the mineral content dissolved in the water is not reduced Upstream of the cabinet connect the following devices available upon request lt a5 micron filter upstream of the cabinet lt a filter to remove oil and particles upstream of the 5 micron air filter The air line is tested and checked at a pressure of 2 1 bars downstream of the cabinet recommended supply water characteristics unit of limits measure min max pH 65 85 BS Specific conductivity at 20 C Or 2 0 uS em 0 50 2 5 Type of water and air lines Total hardness TH mg l CaCO3 0 25 Temporary hardness mg l CaCO 0 15 copper pipes mains drinking water only Total dissolved solids CR mg WI m YES plastic hoses Dry residue at 180 R180 C mg polypropylene hoses ensure faster and simpler connections by Iron Manganese mg l Fe Mn 0 0 welding Chlorides ppm CI 0 10 NO galvanised steel pipe may lead to the detachment of impurities Silicon dioxide mg l SiO 0 1 and cause blocking or damage to the nozzles Chlorine ions mg l Cr 0 0 galur ulphate mari asce 2 2 A Important Apply sealant to the joints of the pipes and hoses values depend on the specific conductivity
20. controlled using lt Manual regulating valve ON OFF operation lt Manual regulating valve amp pressure transducer in line ON OFF operation lt Proportional valve modulating operation lt Proportional valve amp pressure transducer modulating operation MC models with ON OFF controller The pressure is controlled using the pressure gauges installed in the air line which signal if the value is above or below the calibration of the manual pressure regulator The correct operating pressure will be thus be controlled by the operator when commissioning the installation using the pressure gauges in the line and the manual regulating valve MC models with ON OFF controller and pressure transducer recommended The transducer is available as an optional component upon request including 10 m 50 m or 100 m cable The system works in all or nothing mode and displays the signal of he pressure transducer providing indications to the operator on the calibration of the air line using the manual regulating valve MC models with control by proportional valve The system provides a signal to the proportional valve to modulate the pressure in the air line from a minimum to a maximum depending on the request from the humidity probe or the external controller The minimum and maximum pressure values are set using the related parameters f there is significant pressure drop along the line measured by the operator using a
21. lt QEN nie e dq si 801 19 J SIligan gt LOT Stun sale S Y Se LON 3 ao SIL 4l kule SES 5 ral 4 SSN vy ai uallo Si SoN S E D 5 Iron gt a A SS a Sl 3 Tu EMO Sa AWWA CIONTIOS 21 w FY N lt ap g gt via VIDAWAONLLITI 9 con O UY ci gt ue Sua Fe SEON ou lt loan o Olea E I IN Sc I E IN o Olen GI TON W Zum 23 all Y e ER 2 MN O WK sade cl Selo llo Ela TINO gt a la f ui edio P Sm Mm II Sl Sur gt CO a d C JANG 2 Po A dlo O lu I ajo MD E Wie MCmultizone 030221981 rel 2 1 21 05 2009 30 CAREL Wiring diagram for modulating version Slave codes JAWA GIONS YNDIV VOA OS IILVM A0911313 ON JAWA CIONI VD VIDA IV OS SILVM A0311313 JAWA QIONFI0S AT VIN VION WAOSLLATS q ir GNI M N OM3 OJO 0M2 OpPopada o Mead COMI GO 230V 1110 RMER TRASFORMATORE TRANSF EE ee re CARD O O SERIAL Letta za sioni 22 SSS es O WY Ns 7 U O MN Sand Sul A Opa F TIIN ll D 31 SISISISIS SISISIS SISISISIS MCmultizone 030221981 rel 2 1 21 05 2009 10 2 Operating principle
22. master unit to the slaves across a local network lt each master unit can be connected to up to 5 slave units e serial address numeric code that automatically identifies each unit cabinet in the installation Master unit address 1 Slave unit address 2 The serial address is already stored in the controller on the unit and should only be modified on the Slave unit when there are multiple units see paragraph 4 3 forthe software configuration of the pLAN network see installer menu gt pLAN configuration 4 1 Applications for one large space or AHU single point Ideal for large rooms or air handling units where the required water capacity exceeds the output of a single MC cabinet lt Only the master unit is fitted with a probe and the values saved are applied to all the units connected Water amp Air lines AHU Air Handling Unit 4 2 Applications for multiple spaces or AHUs multizone lt Ideal for applications in a series of separate rooms or air handling units lt Each MC cabinet is fitted with a probe the values saved by each probe are managed by the cabinet this is connected to lt To ensure continuity of operation in the event of interruption of the serial Communication see installer menu gt type of control gt stop slave offline i AHU Room 1 AHU Room 2 i AHU Room 1 d Water amp Air lines AHU Air Handling Unit 17 4 3 Setting the serial
23. must be heeded for the correct use of the product lt DANGER OF ELECTRIC SHOCK The humidifier contains live electrical components Disconnect the mains power supply before accessing inside parts or during maintenance and installation lt 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 An Important lt The installation of the product must include an earth connection using the special yellow green terminal available in the humidifier lt 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 atomising racks lt 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 Forthe production of atomised water only use water with the characteristics specified in this manual Important demineralised drinking water must be used as specified in the manual In addition the particles of water that are not absorbed by the air must be removed using the droplet collection tank in the humidification section and the droplet separator at the end of the humidification section All operations on the product
24. parts for air water line see paragraph 1 4 45 16 5 Pre programmed PCO Coptroller ccoo 46 16 6 Electrical panel kit and spare parts see paragraph 1 4 46 17 TROUBLESHOOTING 47 17 1 Troubleshooting table 47 CAREL 1 INTRODUCTION AND ASSEMBLY 1 1 MCmultizone atomising humidifier 1 3 Dimensions and weights Humidification system designed for medium large installations where are a large humidification capacity is required with low energy consumption high water flow without excessive energy costs Water and air suitably regulated in terms of flow rate and pressure are delivered to the atomising nozzles in two separate lines Due to the special shape of the nozzles the jet of water is nebulised into a mist of very fine droplets 5 to 8 microns The atomised water can then easily change state and vaporise The energy required for this transformation is supplied by the ambient air For each litre hour of water that vaporises in fact the environment gives up around 590 kcal 149 SkJ of energy Consequently there is a decrease in temperature in the environment being humidified and this process may be useful in many applications adiabatic cooling A timed automatic system ensures the atomising nozzles are cleaned periodically preventing debris or scale from causing malfunctions Each atomising head is fitted with a small piston for cleaning any deposits whenever the control cabinet stops oper
25. pressure gauge installed at the end of the line a parameter see installer menu gt operating options 1 2 can be used to set a pressure offset as compensation The pressure offset is summed to the signal sent to the proportional valve to compensate for the pressure drop MC models with control by proportional valve amp pressure transducer recommended The transducer is available as an optional component supplied upon request by Carel SpA the kit includes lt transducer connector lt 10m 50mor 100 m cable In this case as well as control with the proportional valve the pressure transducer installed at the end of the line measures the air pressure and tells the electronic controller which manages the proportional valve to automatically compensate for pressure drop along the line In this way the system can supply the required pressure and automatically manage any pressure drop in the line MCmultizone 030221981 rel 2 1 21 05 2009 34 CAREL 10 5 Drain fill Important this function requires the installation of a CAREL NO drain solenoid valve at the end of the water line available as an option For hygiene reasons when the system is not operating the water line is emptied to avoid bacterial formation inside This is done using the normally open drain solenoid valves located inside the cabinet and at the end ofthe line The fill operation is performed as follows starting from empty lt the
26. set point rH2 To set the set point and differential for the limit probe quick set menu A Request Diff_Humid Kan P Max P Min 0 Set point 100 rH Independent control with relative humidity probe The production is related to the reading of the probe and increases as the relative humidity value read decreases The production reaches the maximum when the relative humidity is lower than the set point St by a value at least equal to the differential The maximum production can be programmed between 50 and 100 of the rated value of the humidifier To set the set point and differential for the main control probe quick set menu The minimum production has an activation hysteresis hy equal to 0 2 rH To check that the relative humidity measured by the probe is within certain preset values two alarm thresholds can be set in independent control lt high humidity alarm threshold e low humidity alarm threshold When these thresholds are exceeded an alarm is activated after a set delay Request Diff_Humid i In mg P Max l P Min 0 gt 0 Set point 100 rH Independent control with relative humidity probe and limit probe See control with main probe combined with a limit probe installed in the air duct downstream of the humidifier This type of control is used to reduce production if the relative humidity downstream of the humidifier is within the differential b
27. the air and water supply lines connection of the air and water distribution lines power and control connections A Important the drain hose must be connected directly to a drain located at least 50 mm below the level of the atomising nozzles 1 8 Wall mounting Fasten the humidifier to a solid support surface using the screws and bracket supplies Make sure there is enough space to connect the air and water inlet and outlet lines 1 10 Components and accessories rear ofthe cabinet Once having opened the front cover of the humidifier make sure the following are included wer drilling template 390 1 9 Opening the cabinet door press and turn anticlockwise using a flat head screwdriver max 8 mm until releasing the door open the door on the cabinet by swinging to the left oge kit of screws with PG13 cable glands for the electrical plugs for walk connections mounting MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 2 WATER AND AIR CONNECTIONS di Important before proceeding disconnect the humidifier from the power supply Connections Fittings provided for the water connections Ct side view water amp air inlet side view outlet to nozzles 1 Install two manual valves upstream of the installation to allow the air and water lines to be is
28. the timed activation of the humidifier parameter range hour min 0 to 23 0 to 59 da Mtos 6 5 Weekly scheduler month 1to12 year 00 to 99 Note this screen is visible if scheduler ON OFF has been enabled format dd mm yy mm dd yy see the enable scheduler screen weekday Monday to Sunday Setting of the weekly operation of the humidifier using parameters P1 to g y g P4 configured in the previous screen parameter type of time band Monday P1 to P4 6 3 Enable scheduler Tuesday Pk Wednesday P1 to P4 Enable control of the time bands and the set points Thursday P1 to P4 Friday P1 to P4 parameter enabled Saturday Pl to PA Scheduler On Off YES NO Sunday P1 to P4 variable set point YES NO When the time bands are set the display shows the symbol MCmultizone 030221981 rel 2 1 21 05 2009 22 CAREL 6 6 Scheduled set points Note this screen is visible if variable set point has been enabled see the enable scheduler screen Setting of different levels of set points throughout the day 24 h ON SETP parameter hours rH 21 00 00 0 0 to 22 00 00 0 0 to 23 00 00 0 0 to 24 00 00 0 0 to Parameters Z1 to Z4 can be used to configure up to four different temperature set points at different times of a day parameters Z1 Z2 Z3 ZA 50 U R 30 U R 20 U R 24h Z1 Z2 Z3 z4 By setting the daily and variable set point time bands atomised water
29. IC M N F D 0 0 0 pressure switch MIC P S 0 0 0 0 0 power supply 110 230 Vac 12 Vdc 0 5 A MIC A L 0 0 0 0 0 transformer M C T R 0 0 0 0 0 fuses MIC EFE U S E 0 0 0 modulating valve regulator MIC A IR VIAI0o o o pCO graphic terminal 120x32 panel mounting PIG 1 0 0 0 F W 0 pGDO kit for setting pLAN address P G 0 0 0 2 F 0 K MCmultizone 030221981 rel 2 1 21 05 2009 46 CAREL 17 TROUBLESHOOTING 17 1 Troubleshooting table line problem cause solution 1 alarm status displayed C1 active alarm S1 check the alarm in table of alarms 2 unit powered and enabled the switch Cl no power to the cabinet S1___ check that there is power at terminals LN on the front is in position 1 yet the C2 the fuses are blown S2 checkthe fuses humidifier won t start 4 saturation and condensation inside the C1 failure to detect the flow switch alarm S1 make sure the flow switch is connected to duct caused by the fan stopping terminals ID6 COM on the unit S2 check the correct configuration of the flow switch alarm contact installer menu gt external alarms 5 the air outlet pressure doesn t reach 2 1 C1 compressor undersized S1 checktheflow rate of the compressor in bars relation to the to the consumption expected for the installation C2 for proportional units without the transducer a
30. MCmultizone CARE L atomising humidifiers a Ene User manual LEGGI E CONSERVA QUESTE ISTRUZIONI READ AND SAVE THESE INSTRUCTIONS Technology amp Evolution CAREL WARNINGS 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 prior agreements act 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 addition to observing the above warnings and suggestions the following warnings
31. NTENANCE 16 1 Maintenance procedures Even if the MC humidification system does not generally require special maintenance preventive maintenance should be performed regularly annually or before starting each season The richer the water in salts or impurities the more frequently checks are required Devices requiring checks Compressor follow the manufacturer s instructions Atomising heads once a year remove and clean the nozzle lubricate the o ring with silicone grease and in case change them Air and water line once a year the air and water lines should be bled to remove any sediments traces of oil and dirt To do this follow the system start up procedure Pressure regulators and solenoid valves once a year open and clean to remove any debris and deposits pCO3 electronic controller pGD terminal and humidity probes once a year check the condition of the probes and recalibrate if necessary Do not use compressed air or solvents to clean the probe sensor 16 2 Kits amp optional accessories for the air water line see chap 2 W I U NO solenoid valve at end of line for NW normal water CK D V W L 0 0 0 NO solenoid valve at end of line for AW aggressive water CIK ID V W L O0O 0 1 T pressure transducer I 10 m C PITIO O 0 10 pressure transducer I 50 m E P T 0 5 0 0 0 E pressure trans
32. ON OFF air line 60 I h MCKMA12000 pressure gauge 0 to 12 bars MCKMNFDOOO manifold MCKMROAO60 manual air pressure regulator 60 l h NC air solenoid valve MCKA060DUO MER FSABEDO 60 l h water NW ON OFF air line air outlet pressure gauge 0 60 l h UL DE to 4 bars MCKPS00000 pressure switch MCKMA12000 pressure gauge 0 to 12 bars MCKA230D00 ON OFF air line 230 MCKMNFDOOO manifold manual air pressure N MORMROA2 30 regulator 230 l h MCKFSVACOO NCair solenoid valve 230 l h MERA230DUN MCKMNFD000 manifold ON OFF air line 230 l h UL MCKPSO00000 pressure switch MCKMA12000 pressure gauge Otto 12 bars MCKAO60H00 MCKMNFDOOO manifold modulating air line 60 l h MCKAO60HUO modulating air line 60 l h UL MCKAMVA000 modulating valve MCKFSVBCOO NC air solenoid valve 60 I h water NW MCKMNFDOOO manifold tenance main MCKMA12000 pressure gauge Oto 12 bars 1 MCKA230H00 modulating air line 230 l h MCKMNFDOOO manifold MCKAMVA000 modulating valve MCKFSVACOO NC air solenoid valve MCKA230HUO 230 im modulating air line 230 I h UL MCKMNFDOOO manifold MCKMA12000 pressure gauge 0 to 12 bars MCKW000000 MCKMNFDOOO manifold ON OFF normal water line 230 I h MCKWOOOOUO ON OFF normal water line 230 h UL MCKMROWOOO manual water pressure regulator
33. PON e Koch o 60 Cloche SS SIT oworr AA E 110 230V TRASFORMA TORE TRANSFORMER PR A nem JAWA QIONITOS J YNDIY YTIOATVAOSLIITI J15 J14 N Y Cl alal N J12 DI c O F S N WY Jit polola mm J10 lar mm E O gt A O J5 J4 SERITAL CARD J3 J2 ASTA SNNSSSNINSSSSSSSN SN J24 Js CAREL Wiring diagram for ON OFF version Slave codes HI ON M N e OO o 1110 230V 7 Wi cee ES ES itt ann GIONITOS Jalyn CH VADO VION WADALLATSA re 124V 0 ANWA OIONFI0S SILWM WD VIOATVAOSILITI ER JAWA QIONITOS ATV v av VIOAIVAOSLI3TI i SISISISISSHSISESISISISIEISTS kleene ess 29 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL
34. WN to move between the submenus TER to select parameter and move between the parameters P DOWN to modify the parameter TER to confirm the selected parameter and go to the next parameter ESC to return to the previous menu mo mo mo Maintenance menu screens Reset conf System info Manual procedure Hour counter nl linia Alarm log 8 1 Reset configurations Configuration Functions save the set configurations recall the saved configuration parameter range default save configurations YES NO NO load configuration YES NO NO Default parameters Functions restore default parameters code parameter range default restore default parameters YES NO NO code display only 8 2 System information read only information display Boot read only Bios read only Code read only Version read only Date read only MCmultizone 030221981 rel 2 1 21 05 2009 26 CAREL 8 MAINTENANCE MENU A From 8 3 Manual procedure A These procedures are used to manually test the main functions and operations of the humidifier Important these operations must only be performed by qualified personnel incorrect use may cause serious damage Manual procedure 1 2 parameter range default manual procedure YES NO NO air valve ON OFF OFF water valve ON OFF OFF drain valve ON OFF OFF
35. Wiring diagram for modulating version Master codes li ONS M N Hm VI 23 VI TI Ole 2 ol Ys Gi y QUE 03 A 2 oO Ole O Gef S Ole ZC L0IJO CT Zar sono O sar Haro O bal 01 O O sar zarjo Ol 201 Tano Ol tar PON O Ol PON g 8 08 R RBI EMC MC NOISE O ALIMENTATORE Vde Vde POWER SUPPLI O J El ONLY FOR 230V CE version TRASFORMATORE TRANSFORMER Y FILTRO DISTL FILTER FOR JAWA CIONITOS ILYN g Fi g YNDOY VIONIVAOSLLITA ES i S Oi Ka E eee e o O JAWA OION3TOS 33LVM WEN VIOAWAOAL 1313 gt
36. address for units with multiple slaves The serial address is used to automatically identify each MC unit in the installation The address is already configured for the master unit 1 for the slave unit 2 lt The slave units do not have terminals lt In systems with a series of slaves the serial address must be changed to avoid having the same address 2 on all the units causing conflict in the event of pLAN communication lt To set the pLAN address use the kit PGD0002FOK A Important The serial addresses must be changed before connecting the pLAN network Instructions for changing the serial address on the slave units using the kit PGDOOO2FOK complete the power supply connections see paragraph 3 1 switch off the MC cabinet make sure the power supply is disconnected connect the cable in the terminal kit to output J10 on the cabinet e switch the cabinet on lt press the ALARM and UP buttons together until the display shows the message self test please wait displayed for a few seconds before the address setting screen e set the required address using UP or DOWN to a value higher than 2 and press ENTER to confirm and exit the MC slave unit has now been configured with a new serial address switch the unit off disconnect the cable and repeat for the other units Once configuration has been completed connect the pLAN serial line see the following paragraph A Important only
37. alue read according to the type of signal connected 4 status of the atomising nozzles H Show language mask at unit start up Yes No KS i atomising nozzles operating YES the screen for choosing the language will be displayed when the a n humidifier is started the next time atomising nozzles off NO the screen for choosing the language will no longer be displayed 5 time bands set on power up 6 access the INFO screen UP button 7 access the SET screen ENTER button Note The language can also be changed from the maintenance 8 access the pLAN screen DOWN button menu maintenance menu gt system info gt language 9 Symbol on display no image master unit not connected to a network stand alone Mutti Zon master unit connected to a pLAN network for multiple spaces SINGLE ZoHE master unit connected to a pLAN network for single spaces SLAVE Unit slave unit 19 MCmultizone 030221981 rel 2 1 21 05 2009 Types of descriptions IN OPERATI ON atomised water production in progress SHUTDOW OFF FRO OFF FRO band OFF FRO OFF FRO screen MANUAL NO REQUEST unit on without production request Types of unit status description line 2 DRAIN SELE CLEANING unit draining unit filling the water line unit cleaning the heads on the air line WASHI NG unit washing t
38. and of the limit probe Production is stopped if the relative humidity downstream of the humidifier reaches the limit set point rH2 Temperature control for cooling applications When using the humidifier for adiabatic cooling instead of the humidity probe in the room a temperature probe is used The production of atomised water is related to the temperature T read by the temperature probe AO1 and increases as the distance from the set point St increases Maximum production Pmax which occurs when the room temperature is greater than the set point by a value equal to the differential T differential can be set between 50 and 100 of rated production Pnom The activation hysteresis default 0 2 C is indicated in Figure 4 2 as hy A Request Diff_Temp y P Max 0 Set point 100 C F MCmultizone 030221981 rel 2 1 21 05 2009 Temperature control with humidity limit probe The production of atomised water depends on the reading of the temperature probe with a second humidity probe AO3 that limits production so as to limit the humidity level in the cooled air The limit probe has a set point L set point a differential L diff and an activation hysteresis 0 2 rH Production is the result of the difference between the two readings 10 4 Pressure control Pressure control in the air line is fundamental as this is used to control production Depending on the model pressure may be
39. ating The system guarantees optimal atomisation at all times and prevents dripping when the installation is off The electronic controller ensures the ambient humidity is kept at the required value showing the relative humidity read in the room on the display The MCmultizone system is essentially made up of control cabinet and compressed air water supply atomising nozzles nozzle assembly kit 1 2 Models The MCmultizone humidifiers are available by e size with maximum flow rate of 60 l h MC060 or 230 Wb MC models230 type of capacity modulation proportional MC models H power supply single phase 230 Vac 50 Hz MC models D or 110 Vac 60 Hz MC models 1 version Master MC models M or Slave MC models S type of water used mains drinking MC models 0 or demineralised aggressive MC models 1 ON OFF MC models C or Models recommended for specific applications e for duct applications or air handling units proportional units with high humidity limit probe are recommended e for applications directly in the room both ON OFF and proportional control units are recommended Air Inlet detail of the cabinet side view Front view 500 28 _ water and air inlet Packaging dimen actric Intlet actric Intlet actric Intlet sions lt height H 770 mm 30 14 inch lt width W 605 mm 23 82 inch lt de
40. ation oftype of contact see installer menu gt external alarms Connections air flow switch water treatment system contacts ID3 COM1 air compressor contacts ID4 amp COMI contacts IDO COM2 oe le S COMI ID3 COMI IDA COM2 ID6 LETT OO 2 5 8 8 3 8 5 z GO Oooo COMI COM2 COM3 O Alarm re ay from water treatment Compressor alarm relay Flow switch alarm relay Connections F21A MC cabinet Relay a wee Alarm relay from water treatment COMI COM E Compressor alarm relay COMI COM 5 AI Air flow switch alarm relay GR shield 3 11 Enable wash water line on external signal Manages the washing of the water line based on an external signal To do this set installer menu gt operating options gt valve at the end of the line YES gt special functions gt wash gt manual Cable shielded AWG 15 20 contact open Status and operation of p wash line not enabled externally the contact contact closed wash line enabled externally sl COOC 0 GO comi com2 coms FLIA F21A Cl O OJD Clm OJO Ze comi com2 com3 3 O no4 JO 103 JO O 107 JO O
41. change the serial address on the slaves and not on the master Table of serial addresses installer s responsibility see installer menu gt pLAN configuration serial room or AHU address unit unit name master slave 1 slave 2 slave 3 slave 4 slave 5 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 4 4 pLAN network connection J11 Use two wire cables plus earth AWG 20 22 maximum distance between two cabinets 200 m 219 yd service cart Lie Wo Connections MC Master cabinet J11 MC Slave cabinet RX TX RX TX J11 RX TX DN RX TX GND GND In multizone mode by disabling the stop slave off line function if the pLAN is interrupted the slaves operate independently according to the signals from the probes or and controllers In this mode the values will not be shown on the master display MCmultizone 030221981 rel 2 1 21 05 2009 18 CAREL 5 STARTING AND USER INTERFACE Before starting the humidifier check 5 4 Keypad mer water and air connections chap 2 In the event of water leaks do not start the humidifier before having resolved the problem electrical connections chap 3 5 1 Starting button function a a e 1 alarm list active alarms and reset a
42. cial functions washing 2 3 Main probe select between NTC 0 1 V 2 10 V 0 10 V default Automatic periodical washing of the water line to increase the hygiene of Limit probe 0 20 mA 4 20 mA 0 135 ohm 135 1k ohm the installation Unit of C bar default parameter range default UOM measure F psi i anal Sto Ps lave YES if the pLAN network is offline the slave units washing automatic MAR offline default _ stop IE start washing NO YES NO NO if the pLAN network is offline the slave units 7 continue washing period 1 to 99 6 h washing duration Oto 15 10 min enable filling NO YES NO filling duration 1 to 1000 5 5 Special functions 3 3 7 2 Probe configuration parameter range default UOM Setting of the minimum value maximum value and offset for the probes signal used select display on main screen Hours rH rH C F parameter settings range default UOM Italian English Main probe Min value Oto 100 0 rH C F Language French config Max value Oto 100 100 rH C F German Offset 10to 10 0 rH C F Spanish Limit probe Min value Oto 100 0 rH C F Show language choice at start YES NO YES config Max value Oto 100 100 rH C F up Offset 10t0 10 0 rH C F MCmultizone 030221981 rel 2 1 21 05 2009 24 CAREL 7 5 Supervisor parameter range def UOM ID number 0 to 200 1 for BMS network communication speed 1200 2400 4800
43. d 10 7 Automatic cleaning of the atomising heads To activate this function installer menu gt special functions gt special functions 1 3 can be performed lt During a production cycle At the end of a production cycle Cleaning involves deactivating the water fill keeping the air line active at 100 in the case of modulating operation or simply activated for ON OFF operation activating opening the NO water drain solenoid valves at the end of the line and in the cabinet The duration of the operation can be set by user parameter in addition the frequency during the production cycle can also be set as well as whether or not to perform the operation at the end of the production cycle 10 8 Pressure overboost To ensure the correct opening and modulation of the atomising heads at the start of each production cycle these are supplied with compressed air only at a pressure of 2 1 bars for ON OFF versions lt 3 bars for proportional versions During this phase the water line is not activated This function is not managed by parameter CAREL Notes 35 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 11 GENERAL CHARACTERISTICS OF THE DISTRIBUTION SYSTEM 11 1 Atomising head 11 2 Assembly kit The atomising heads are available in AISI 316 stainless steel with 5 This i
44. distance between the heads at the end and the side of the duct To determine the distance between heads divide the width of the duct by the number of heads plus one If the distance is less than 00mm more manifolds should be used and if possible larger capacity heads If the height of the duct D is greater than D 2xH 100mm where H is the maximum distance in mm reached by the jet sprayed by the heads to the top of the duct as in Table 4 then the manifold can be placed in the centre of the duct with the heads facing alternately up and down The minimum height of the duct M to be able to install the distribution manifold with a 90 jet is equal to M H 180mm If this space is not available then the heads must be installed outside of the duct with the jet spraying inside Fig 14 c or lower capacity heads used The jet of atomised water must never come into contact with obstacles wall reinforcement bars before total evaporation free path of evaporation PL Never fit the heads in the opposite direction to the air flow If the filling and washing functions are featured install the NO drain solenoid valve supplied as an option at the end of the line The drain hose connected downstream of the solenoid valve must have a diameter that is greater than or equal to diameter of the line upstream If this is not installed fit an easily accessible ball valve for cleaning bleeding the line when commissioning and re
45. ducer I 100 m C K P T 1 0 0 0 0 air outlet pressure gauge 0 to 4 bars CIK M A 0 4 0 0 0 water outlet pressure gauge AW 0 to 2 5 bars M jW 0 2 5 0 1 UV lamp sanitising kit E S U Vv 0 0 0 0 UV lamp CIK U V 0 0 0 0 0 5 water filter container CIE IT L W A T 0 5 5u water filter cartridge C C 0 5 P P 0 0 5 1 2 air filter C F I L A I R O 1 3 8 oil filter for air C F I L JO I L O 1 humidity probes for ducts 10 to 90 rH DIPI D C 1 1 2 0 0 0 humidity probes for ducts 0 to 100 rH D P D C 2 1 2 0 0 0 ambient humidity probes 10 to 90 rH D jP W C 1 1 2 0 0 0 temperature humidity probes for industrial environments 10 to 70 C 0 to 100 rH D jP P C 2 1 2 0 0 0 temperature humidity probes for industrial environments 0 to 50 C 10 to 90 rH D jP P C 1 1 2 0 0 0 16 3 Kits amp optional accessories for the atomising heads see chap 11 Atomising head assembly kit M jC K 1 A W 0 0 0 0 Atomising head mod A 2 7 l h M JC A A 2 0 0 0 0 0 Atomising head mod B 4 0 l h M C A B 2 0 0 0 0 0 Atomising head mod C 5 4 l h M C A CI2 0 00 0 0 Atomising head mod D 6 8 l h MIC A D 2 0 00 0 0 Atomising head mod E 10 l h M C A E 2 0 0 0 0 0 MCmultizone 030221981 rel 2 1 21 05 2009 44 CAREL 16 4 Spare parts for air water line see paragraph 1 4 line drawing code amp description exploded drawing component code component description MCKA060DOO
46. e configuration offset 3 Operating options 4 Special functions 5 Supervisor Operating options 2 2 6 External al ARE parameter description range default UOM 7 PLAN configuration valve at end of to allow automatic YES NO YES To navigate inside the screens line emptying and lt UP or DOWN to change the value within the options range periodical washing lt ENTER to confirm and move the cursor to the next value ofthe water line ESC to return to the installer menu logic alarm relay alarm relay status NO NC NO setting proportional signal set 3 to 60 10 point 7 1 Type of control 7 4 Special functions Settings type of operation ON OFF or modulating type of signal or probe main probe limit probe unit of measure amp stop slave offline Special functions automatic cleaning 1 3 Nozzle self clean cycles to reduce the frequency of maintenance parameter options range description Type of ON OFF parameter range default UOM operation modulating Enabled YES NO YES Type of signal External contact Period Oto 30 min or probe External proportional signal f 999 External proportional signal amp limit probe Duration 60 to 160 3 Humidity probe 299 Humidity probe amp limit probe Temperature probe Temperature probe amp limit probe Spe
47. e number of connections in the air and water lines to the minimum possible The use of elbow or T connectors and reducers adapters will increase the pressure drop in the lines The diameters shown in the tables have been selected considering the use of a pair of connectors in each line if the number of connectors doubles choose the next largest diameter F F MCmultizone 030221981 rel 2 1 21 05 2009 38 CAREL 13 INSTRUCTIONS FOR INSTALLATION IN ROOMS 13 1 Tips for correct installation 13 3 Positioning the humidity probes O Note see Chapter 2 for the connection of the atomising heads The air line also acts as the support for all the heads The water line must always be lower than the atomising heads to ensure emptying and drying when the installation is off Size the water and air lines as shown in the table in paragraph 4 3 13 2 Assembling the atomising head For each atomising head a kit for assembly in the room is available that makes installation simpler and faster The assembly kit can be used both for normal water and for aggressive water The drawing paragraph 3 2 illustrates how to fit the kit Allthe atomising heads must be installed at the same height to avoid variations in pressure that would make the sprays of atomised water ess uniform lt The assembly kit allows the head to be turned vertically so as to aim he
48. e signal only jon compressor alarm flow switch alarm from AHU no air in AHU check AHU manua active signal only jon flow switch alarm water treatment alarm from water treatment check water treatment system manua active signal only jon system water treatment system fault system alarm pressure pressure pressure check pressure sensor manua active stop on for proportional sensor faulty or sensor faulty or sensor faulty or production units with air disconnected disconnected _ disconnected pressure sensor pressure off air pressure insufficient air check air supply pressure manua active stop on for proportional scale outside of set pressure production units with air limits pressure sensor clock fault clock error backup battery replace clock manua inactive signal only off completely discharged or generic clock fault 27 MCmultizone 030221981 rel 2 1 21 05 2009 Wiring diagram for ON OFF version Master codes JAWA CIONTIOS ATV VIOY VIOAWAOSLLATA SI MCmultizone 030221981 rel 2 1 21 05 2009 10 ADVANCED FUNCTIONS 10 1 Wiring diagrams a D Sa 3 VU OO COM1 COM2 COM E ie w la a bar SCT lt 0I lalen ml col alalajalalal slalalalsls TOL
49. es of the CAREL probes see Chap 16 2 Maintenance 12 Install a manual valve at the end of the air line 13 Install one of the following two valves manual valve at the end of the line not supplied by CAREL e drain solenoid valve CAREL code MCKDVWLOOO or code MCKDVWLOO1 to perform the drain fill and washing functions see par 10 5 Operating principles 14 Optional install a pressure gauge at the end of the water line CAREL code kit MCKMW02501 to display the pressure at the end of the water line MCmultizone 030221981 rel 2 1 21 05 2009 10 CAREL 2 1 Characteristics of the water line 2 3 Characteristics ofthe air line Models Models MC060 D 0 MC060 1 0 MC230 D 0 MC230 1 0 MC060 D 0 MC060 1 0 MC230 D 0 MC230 1 0 max flow 60 l h 60 l h 230 l h 230 l h inlet 0 5 to 0 7 Mpa rate l h Ib h 130 Ib h 130 Ib h 500 Ib h 500 Ib h pressure 5to7 Bar G d 380G d 130 Ib h 1450 G d 1450 G d Mpa Bar PSI 80 to 100 PSI inlet pressure 0 3 to 0 7 Mpa temperature 1 to 50 C 34 to 122 F Mpa Bar PSI 3to 7 Bar inlet G1 2 F NPT1 2 F G1 2 F NPT1 2 F 40 to 100 PSI outlet G1 2 F NPT1 2 F G1 2 F NPT1 2 F temperature 1 to 50 C 34 to 122 F inlet G1 2 F NPT1 4 F G1 2 F NPT1 4 F outlet G1 2 F NPT1 2 F G1 2 F NPT1 2 F drain TCF 8 10 NPT1 4 F TCF 8 10 NPT1 4 F 2 4 Type of compressed air YES dry
50. eshold lt low temperature alarm threshold When these thresholds are exceeded an alarm is activated after a set delay Request gt 0 Set point 100 C F CAREL Proportional control The production of atomised water is proportional to the value of a signal Y from an external device The type of signal can be selected between the following 0 to 1 Vdc 0 to 10 Vdc 2 to 10 Vdc 0 to 20 MA 4 to 20 MA 0 to 135 Ohm 135 to 1000 Ohm installer menu gt type of control gt type of signal The entire range is indicated as BP proportional band The maximum production of the humidifier corresponding to the value maximum of the external signal can be set from 50 t 100 The minimum production corresponds to 10 default range 3 60 of the external signal lt if set point lt 10 hysteresis of 2 lt if set point gt 0 10 hysteresis of 5 Request i i I 1 1 i 1 1 i P Max 1 1 1 1 1 I 1 f 1 50 P Min i gt 9 Set point 100 pp Segnale proporz Proportional control with limit probe See proportional control with the addition of a limit probe generally installed in the air duct downstream of the humidifier This type of control is used to reduce production if the relative humidity downstream of the humidifier is within the proportional band set for the limit probe Production is stopped if the relative humidity downstream of the humidifier reaches the limit
51. gnal 11 Connection for master slave communication networks pLAN serial card External supervisor systems Power supply for humidity temperature probes and references for external Proportional 0 to 10 Vdc output controllers pCO3 terminal block ee am lt n o x non amp 5 amp vu O O O vo uU o 5 y 35 A Z i 2 z z ZS ZS J11 12 J13 J14 J15 IT Il M Il uf oo MCmultizone 030221981 rel 2 1 21 05 2009 12 CAREL 3 1 Power supply Depending on the model MC D voltage 230V 1 50Hz MC 1 voltage 110V 1 60Hz A Important The cables must be shielded and conform to local standards Install a power switch outside the humidifier to completely isolate the mains power supply A L NAW 7 GR PEII eee i Slalale sl8 s COOOEW IE co Soda comi coma coms e 9990990 0 1010 co 5151813131815 coy1 comz com S 15 Connections MC cabinet Power cable L L F phase N N W neutral GR GR PE earth 3 2 Remote ON OFF ID amp COM Use two wire shielded cable AWG20 22 COM1 COM2 COM3 ojojo COM1 COM2 COM3 gt e co lalal8 8 8 s Re
52. gulator dirty S1 remove the water pressure regulator and clean not controlled any impurities 9 for duct installations low absorption C1 air speed in the duct too high in relation tothe S1 checkthe sizing of the installation of atomised water and area under the free path between the atomising heads and atomisation heads wet droplet separator C2 overlapping sprays of atomised water or contact S2 optimise the positioning of the heads between the spray of atomised water and the walls of the duct 10 water leaks from the NO solenoid valve in C1 impurities in the solenoid valve that prevent S1 remove the solenoid valve remove the coil the cabinet or at the end of the line complete closing unscrew the sleeve remove the impurities clean the body and sleeve and reassemble 11 with the unit off or in stand by with the C1 impurities in the solenoid valve that prevent S1 remove the solenoid valve remove the coil NC solenoid valve closed water leaks complete closing unscrew the sleeve remove the impurities clean the body and sleeve and reassemble 12 atomising heads with abnormal flow C1 atomising heads dirty S1 remove the head and clean adjusting the calibration screw brings no C2 air and water pressure at the heads outside the S2 check the air and water pressure in the cabinet improvement limits and at the end of the line C3 oil in the air line S3 checkthe oil separator filter upstream of the cabinet 13 the heads produce a jet
53. he water line 5 6 INFO screens read only ALARM production stopped due to an alarm SUPERVI SOR production stopped by supervisor SCHEDULER production stopped during the set time REMOTE production stopped due to opening of the Remote ON OFF contact KEYPAD production stopped from the keypad see SET ODE manual mode activated see maintenance menu Series of read only screens for displaying the main humidifier status values To access press UP from the Main screen There are two INFO screens to move from one screen to the next press UP or DOWN Press ESC to return to the Main screen Info 1 2 display UOM Request 50 100 Air line ON OFF Water line ON Drain Type of op ON OFF or Modulating Press sensor bar psi Date amp time dd mm yy 00 00 Info 2 2 display UOM Humi difier model In production YES NO Hours production h Date amp time dd mm yy 00 00 MCmultizone 030221981 rel 2 1 21 05 2009 20 5 7 SET screen CAREL Used to set the main values for the humidifier From the main screen press lt ENTER to access the menu lt ENTER to move from one value to the next UP amp DOWN to modify the selected value lt ENTER confirm and go to the next value Parameter range default UOM Set point 0 to 100 50 rH C F Humi di fier AUTO OFF OFF a Max
54. heck the set parameter manual inactive signal only jon outside of set by the probe limits less than the humidity alarm threshold humidity probe humidity probe main humidity checkthe connection amp the operation manual active stop on broken or broken or probe of the probe production disconnected disconnected disconnected or broken high humidity limit humidity value measured check the set parameter manual inactive signalonly flash can only be limit probe outside of set by the probe reset switching limits greater than the the unit off humidity alarm from set threshold signalled only in sequence after other alarms but not when forced limit probe limit probe limit humidity check the connection amp the operation manual active stop on broken or broken or probe of the probe production disconnected disconnected disconnected or broken slave 2 3 4 5 6 slave unit not pLAN network check connection of pLAN cable to manua active signal only jon unit offline connected to disconnected __ terminals on controller the pLAN master unit master unit not pLAN network check connection of pLAN cable to manua active signal only jon offline connected to disconnected __ terminals on controller the pLAN low pressure insufficient air insufficient air check air line pressure manua active stop on for ON OFF alarm pressure pressure production units compressor alarm from air compressor fault check air compressor manua activ
55. ide diameter of the pipes hoses selected is as described in the table under the item ID Always make sure that the rated pressure of the pipes hoses is suitable for the operating pressure of the installation in any case PN8 or higher diameter pipes hoses are recommended type of heads line length system A B c D E 5m 10m 25m 50m flow rate I h air water air water air water air water no heads installed per type ID mm ID mm ID mm ID mm ID mm ID mm ID mm ID mm 30 11 8 6 4 3 15 12 20 14 20 15 25 18 60 22 15 11 9 6 20 12 25 14 30 15 30 18 120 44 30 22 18 12 30 12 30 14 3 15 40 18 230 8 58 43 34 23 35 12 40 14 45 15 55 18 37 MCmultizone 030221981 rel 2 1 21 05 2009 S oO gt Ke 42 a jo CAREL type of heads line length system A B C DE 16 feet 32 feet 80 feet 160 feet flow rate Ib h air water air water air water air water no heads installed per type ID mm ID mm ID mm ID mm ID mm ID mm ID mm ID mm 65 11 8 6 4 3 5 8 1 2 3 4 5 8 3 4 5 8 1 3 4 130 22 15 11 9 6 3 4 1 2 1 5 8 11 4 5 8 11 4 3 4 260 44 30 22 18 12 11 4 1 2 11 4 5 8 13 8 5 8 11 2 3 4 500 85 58 43 34 23 13 8 1 2 11 2 5 8 13 4 5 8 21 4 3 4 Note If the air line is more than 50 metres log size the line so that the pressure drop does not exceed 0 2 bar Try to limit th
56. idered lt volume of the local m3 current conditions of the room temperature C and relative humidity rH lt desired conditions in the room temperature C and relative humidity rH lt characteristics of the materials inside quantity hygroscopic factor number of people time required to reach steady operation e inlet of outside air infiltration occasional opening of doors or windows lt air change m3 h e outside design conditions temperature C and humidity rH lt condensation on the cooling coil Note If there is no fresh air inlet once the required relative humidity value is reach the humidification system will not need to work much to maintain the humidity level Consequently to save running costs when high capacities are required check the time required to reach steady operating conditions 12 2 Sizing the compressor Careful attention needs to be paid to sizing the compressor The air consumption is determined by the capacity of the installation and not by the maximum flow rate of the cabinet Consequently the number of atomising heads in the installation and their flow rate need to be considered The air flow rate of each head may have the following values MCAA2 MCAB2 MCAC2 MCAD2 MCAE2 Nm h 3 43 5 08 6 86 8 64 12 7 CFM 2 3 4 5 7 5 The air consumption for all heads is equal to 0 41 m3 h per litre of water at an operating pre
57. mised water is shown in the under table The distance H is very important for preventing the jet of atomised water from wetting the duct this is the most typical installation the manifold Fig 14 a air flow gt Fig 14 a Maximum distance H in mm reached by the jet air speed 2 7 1 h 4 0 l h 5 4 1 h 6 8 l h 101 h in m s distance H inmm 2 0 660 737 914 1219 1792 3 0 610 686 838 1092 1605 40 559 610 737 965 1419 5 0 508 559 660 838 1232 6 0 457 508 559 711 1045 75 406 432 483 584 859 10 0 356 381 406 432 635 If the height available is not sufficient the manifold can be installed as shown in Fig 14 b This type of installation is used to humidify in smaller ducts Any losses due to condensation and removed by the droplet separator will however be greater air flow gt pe Fig 14 b Never fit the heads against the flow If based on the top table the height of the duct is not sufficient one solution may be to fit the manifold outside the duct with the ends of the nozzles spraying inside as can be seen in Fig 14 c This saves around 20 cm air flow Fig 14 c 41 MCmultizone 030221981 rel 2 1 21 05 2009 S B gt Ke 42 a xe Le Kei gt Ho EA yo 14 2 Important rules to be followed 1 The minimum distance between two adjacent heads must never be less than 100 mm This is also the minimum
58. mote ON OFF Connections MC cabinet Remote ON OFF IDI NC NO COM 1 or 2 or 3 CON GR shield 3 3 Modulating control signal J24 amp J2 The input control signal connections depend on the control algorithm activated up to 30 m shielded cables size 0 5 mm AWG20 over 30 m shielded cables size 1 5 mm AWG15 connect the shield cabinet side to specific earth terminal GR see connection diagrams a modulating control with external controller b modulating control with ambient humidity probe the signal can c external controller amp limit humidity probe come from d ambient humidity probe amp limit humidity probe e modulating control with temperature control f mod control with temperature control amp limit probe cables To set the type of operation control and signal installer menu gt type of control see chap 7 a Modulating control with external controller Oto1V Oto 10V 2t010V Oto20 mA 4to20mA External controller Connections MC cabinet external controller J24 GND REF J2 B1 OUT b Modulating control with ambient humidity probe Oto1V 0to10V 2to 10V Oto20 mA 4to20mA tem EI GNDN gt 5V ref B1 B2 Bu GND VDC B4 DCH _ es Y BC5 VG VGO al Y2 Kei Y3 17 7 ka 4 D Ambient humidity probe Connections MC cabinet ambient humidity probe V term G ae
59. 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 S p A declines all liability for any such unauthorised use lt Do not attempt to open the humidifier in ways other than those specified in the manual e Observe the standards in force in the place where the humidifier is installed Keep the humidifier out of the reach of children and animals lt Donotinstall 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 lt 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 3 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 w
60. ny alarms present 2 PRG return to the main screen from the main screen access the main menu 3 ESC return to the 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 an INFO menu 5 ENTER select and confirm like the Enter key on a computer 5 2 Stopping eyboard from the main menu access the SET screen 6 DOWN circular navigation inside the menus the screens the p parameters and the values of the parameters from the main screen access the pLAN screens and connect o the SLAVE cabinets Note if the system is stopped for an extended time open the valve at the end of the water line to assist drainage If the system is fitted with drain solenoid valves at the end of the line optional this is done automatically 5 5 Main screen 5 3 First start up setting the language On power up the following screen is displayed Select language 1 English 2 Italiano 3 Deutsch 4 Francais 5 Espaniol Press ENTER to go the list of languages then UP to select the desired language and ENTER to confirm This screen remains displayed for 60 seconds description of unit status 1 2 line 2 description of unit status Subsequently the following screen will be displayed 3 v
61. of water when C1 air water connections reversed S1 reverse the connection observing the markings there is no air on the heads 14 the ambient humidity stabilises at values C1 the capacity of the installation is not sufficient to S1 1 review the sizing of the installation below the set point meet the requirements 52 1 adjust the heads to increase production increase the number of the heads in relation to the maximum flow rate of the cabinet See points 8 and 9 CAREL reserves the right to modify the features of its products without prior notice 47 MCmultizone 030221981 rel 2 1 21 05 2009 Notes Notes Notes 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 MCmultizone 030221981 rel 2 1 21 05 2009
62. olated not supplied by CAREL 2 Install an oil filter CAREL code MCFILOILO1 to remove particles of oil from the compressed air ki 3 Install a 5 micron air filter CAREL code MCFILAIRO1 upstream of the cabinet to solid particles from the compressed air 4 Install a 5 micron water filter CAREL code MCCO5PP005 and the a filter casing code MCFILWATO5 to remove solid particles from the supply water 5 Optional install a UV lamp to sanitise the water CAREL code MCKSUV00000 The lamp has an external 230 V 50 Hz power supply D O These UV lamps are used to eliminate any bacteria from the supply O water 6 Install the air and water lines 2 O E E 7 Prepare a hose at least 50 mm below the level of the atomising nozzles to drain the water remaining in the lines when the installation is in standby or off 8 Atomising nozzle assembly kit for rooms and ducts CAREL code Key MCK1AWOOOO 1 air inlet and outlet 9 Atomising nozzles for the models see par 11 2 water inlet and outlet 10 Optional install one of the following components 3 drain water outlet pressure gauge at the end of the air line CAREL kit code MCKMA04000 to display the pressure at the end of the line a pressure probe at the end of the line for the codes of the probes see Chap 16 2 Maintenance to measure and display the pressure at the end of the line on the humidifier display 11 Install the humidity probes for the cod
63. ore default P1 2 parameters P2 code P3 Type of humidifier p4 2 Systeminfo System info Boot read only 5 Weekly scheduler EEE scheduler Bios read only Tuesday T Wednesday Date i TaT S day 3 Manual procedure Manual controls 1 2 Aa Manual procedure Sunday y Air valve 7 Water valve 6 Scheduled setp Scheduled set points Drainovalve 22 Valve at end of line 23 Production status 24 Manual controls 1 2 2 Installer 1 Type of control Type of operation DA password 77 Type of signal or probe ger Li In of signal or probe 4 Hour counter Hour counter ini Hours of production i Reset hours in 5 alarn o Marn tog 2 Probe configuration Main probe config ae ee only Min value og delete Mas value Time read only Offset Date read only Limit probe config Min value Max value Offset 3 Operating options Operating options 1 2 Remote p sensor Max air press Min air press Max air press offset Min air press offset Operating options 2 2 Valve at end of line Alarm relay logic Prop s set point 4 Special functions Special func 1 3 Independent cleaning Enabled Period Duration Special func 2 3 Washing Start washing Washing period Washing duration Enable filling Filling duration Special func 3 3 Select main screen display Language Show language choice at start up 5 Supervisor Supervisor config 21 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL
64. 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 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 ce mark MCmultizone 030221981 rel 2 1 21 05 2009 CAREL Content 1 INTRODUCTION AND ASSEMBLY 7 6 6 Scheduled set Points 23 1 MCmultizone atomising humidifier 7 INSTALLER MENU 4 24 2 Models Se ee ee 3 Dimensions and weights 7 7 1 Type of control 28 7 2 Probe configuration 8 7 3 Operating options 8 7 4 Special functions 8 7 5 Supervisor 8 7 6 External alarms 9 7 7 PLAN configuration EE A COMPONENTS 5 Electrical specifications 6 Opening the packaging 7 Positioning the cabinet 8 Wall mounting 9 Opening the cabinet door TO Components and accessories ii 9 8 MAINTENANCE MENU e 26 2 WATER AND AIR CONNECTIONS 10 8 1 Reset configurations 2 1 Characteristics of the water line 11 8 2 System information read only 2 2 Type of supply water 8 3
65. production can be programmed according to the needs of the utility Note lt during the OFF time band the humidifier is NOT actually off but rather atomised water production is temporarily disabled even when setting manually lt the daily time bands have priority over the variable set point bands For example setting P4 each Monday humidifier off parameters Z1 Z2 Z3 Z4 different set point values will not be observed as the humidifier is not programmed to operate on that day 23 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 7 INSTALLER MENU From the main screen press 73 Operating options lt PRG to access the main menu lt DOWN to move to the installer menu Operating options 1 2 lt ENTER to move to the password Do UP DOWN to enter the password 77 parameter description range default UM ENTER to access the selected menu Remote p sensor pressure sensor YES NO NO lt UP DOWN to move between the submenus ala e ENTER to select the parameter and move between the parameters i UP DOWN to modify the parameter system nn ITER to confirm the selected parameter and go to the next parameter max air pressure 0104 ER bar e ESC to return to the previous menu min air pressure 0104 12 Bar Installer menu screens AD eee 01093 9 offset 1 Type of control min air press 0to 9 9 0 2 Prob
66. pth D 255 mm 10 00 inch Packaged humidifier weight lt models MC H lt models MC C Installed humidifi lt models MC H lt models MC C D 1 0 21 kg 46 3 Ib D 1 0 20 5 kg 45 2 Ib er weight D 1 0 19 5 kg 43 Ib D 1 0 19 kg 42 Ib Mechanical specifications lt Installation wal IP40 mounting Electric Intlet Electric Intlet Electric Intlet Air Outlet later Outlet Water Drain detail of the cabinet side view outlet to nozzles lt cabinet operating conditions 1 to 40 C 34 to 104 F lt 80 rH non condensing e storage conditions 1 to 50 C 34 to 122 F lt 80 rH non condensing MCmultizone 030221981 rel 2 1 21 05 2009 1 4 Components Oz 2 1 3 4 e 33 5 6 7 8 9 E a 10 Key 1 Electronic controller 2 Terminal Master version only 3 Transformer CAREL code MCKTRO0000 4 odulating valve regulator modulating version only CAREL code CKARVA000 Terminal block fuse kit MCKFUSEOOO ir inlet pressure gauge ir pressure regulator regulator C air solenoid valve ir ir ne pressure switch ON OFF versions only outlet pressure gauge 11 Water inlet pressure gauge 12 Water pressure regulator 13 NC water solenoid valve 14 Water outlet pressure gauge 15 NO water drain solenoid valve 16
67. r near the fan 13 4 Important rules to be followed There are a number of important rules to be observed when installing an MC humidification system 1 The jet of atomised water must not come into contact with any object along its path so as to avoid condensation and thus dripping Any obstacles in the trajectory of the jet of water can be avoided by suitably aiming the atomising heads Table shows the length and the maximum diameter of the jet in relation to the humidity in the room The heads must also be installed so as to avoid two separate sprays from overlapping It is recommended to install them inside the area being humidified as high as possible without however wetting the ceiling gt lt q oO La si yes head flow rate minimum installation height max spray diameter visible spray distance lt 50 rH visible spray distance gt 50 rH 2 7 h 4m 0 75 m 3 00 m 455m 4 0 h 4m 0 75m 3 35 m 4 90 m 5 4 l h 46m 0 90 m 3 65 m 5 20 m 6 8 l h 6 1m 1 20 m 4 00 m 6 10 m 10 0 l h 94m 1 50 m 4 60 m 7 00 m MCmultizone 030221981 rel 2 1 21 05 2009 S oO B gt Lo Te 42 A jo CAREL 2 The air water lines must not have variations of height 3 If the filling and washing functions are featured install the NO drain solenoid valve supplied as an option at the end of the line
68. s a series of components designed to make the assembly of the different flow rates yet all with the same dimensions and weights Each atomising heads on the air water lines simpler and faster it can be used atomising head has a marking on the nozzle indicating the model and for both normal water and demineralised water aggressive thus the flow rate Only one model is available Marking Code 50000 Capacity MCKTAWOO0O for assembly of the heads on the lines in the room or B MCAB200000 4017h in the duct C MCAC200000 541 h D MCAD200000 6 8 1 h E MCAE200000 101 h Kit MCK1AW0000 1 1 4 FF elbow connector 2 1 4 H43 MF column S 3 1 4 nipple 4 1 4 MF 2 way valve 5 1 4 PVSF 2 way valve 0 6 1 4 180 M connector 7 BIEN nylon tube dia 6 8 mm Ka 8 1 4 FF elbow connector dia 6 8 mm jo 9 1 4 FF hose coupling linea acqua water line MCmultizone 030221981 rel 2 1 21 05 2009 36 CAREL 12 DESIGNING A SYSTEM 12 1 Sizing an MC system When sizing an MC system several factors must be considered air flows flow speed presence of cooling coils dimensions of the room where the humidifier will be installed For correct sizing given the relative complexity of the factors involved the applications should be designed using the documents provided by CAREL To calculate the humidification requirements of a certain space a series of factors need to be cons
69. spray as desired A readily accessible ball valve should be installed at the end of each ine for cleaning bleeding the lines when first starting and at the start of each season lt The water lines must not have pockets along the path so that the installation can be drained completely by gravity when stopped lt Make sure not to reverse the water air inlets on the atomising heads he air inlet is always marked by a label showing AIR Luce Light d D AN The cabinet control system can be connected to lt signal from an external controller lt ambient humidity probe lt signal from external controller plus limit probe lt two humidity probes ambient plus limit one temperature probe and one limit probe If installing humidity and temperature probes lt The ambient humidity control probe must be located inside the return air duct This sensor can also be positioned in the room being humidified Make sure however that the place where it is installed is away from flows of air that are hotter or colder than the environment or is not in contact with perimeter walls lt The temperature probe must follow the same rules as described above for the humidity probe lt The high humidity limit probe should be located downstream of the atomisation manifold in a position where it cannot be wet by the jet of atomised water e g after the cooling coil or after a droplet separator o
70. ssure of 2 1 bars 1 27 Nm3 h per litre of water at atmospheric pressure 0 75 CFM per litre of water at atmospheric pressure The table below describes the specific consumption for each individual head in Normal m3 h and CFM Cubic Feet per Minute referred to atmospheric pressure Calculation example Installation of 18 MCAC2 heads supplied by a 230 I h cabinet V C eaX N 6 86x18 123 5 Nm3 h 2058 l m referred to the rated data of the compressor where V volume of air taken in by the compressor or introduced into the room by the installation Nm3 h Luz air consumption of each head Nm3 h n number of heads Note In order to guarantee the right air flow rate in all conditions the size should be overrated by 10 12 3 Sizing air water lines between cabinet amp distribution system The pipes or hoses carrying air and water to the atomising heads must be made from copper or plastic DO NOT USE GALVANISED STEEL PIPES as these may release impurities that block or damage the heads When supplying the cabinet with demineralised water only use plastic or stainless steel pipes If the cabinet is supplied with demineralised water aggressive Teflon or liquid Teflon must be used as the sealant In alternative to the above polypropylene hoses can be used which allow faster and simpler connections by welding To determine the diameters of the air water outlet lines referto the tables below Make sure that the ins
71. starting each season At the end of the air line an easily accessible ball valve should be fitted for cleaning bleeding the line when commissioning and restarting each season To control the pressure in the air line use one ofthe following devices installed at the end of the line Pressure gauge supplied as an option Pressure transducer supplied as an option With the devices listed above depending on the type of cabinet used refer to the following for ON OFF cabinets lt With a pressure gauge installed at the end of the line the pressure drop in the line can be displayed and if necessary the pressure increased to 2 1 bars using the manual pressure regulator located inside the cabinet lt With the pressure transducer the pressure at the end of the line can be shown on the controller display and if necessary increased using the manual pressure regulator for cabinets with modulating control lt With a pressure gauge installed at the end of the line the pressure at the end of the line can be read and if necessary increased using the corresponding parameter on the electronic controller e With the pressure transducer the cabinet automatically controls the pressure in the installation to the optimum value so as to compensate for any pressure drop in the line MCmultizone 030221981 rel 2 1 21 05 2009 42 CAREL 14 3 Positioning the humidity probes If installing humidity and
72. t 2 CFILAIRO1 1 2 air filter G1 2 F in out 3 CFILWATOS 5 water filter container G1 2 F in out 4 CKSUVO000 UV sanitising kit G1 4 F in out 5 CKPT 000 pressure transducer G1 4 0a CKMA04000 air outlet pressure gauge O G1 4 Ob to 4 bars CKDVWLOO NO solenoid valve at end G1 4 F in out 13 of line CKMW02501 water outlet pressure gauge G1 4 4 0 to 2 5 bars MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 3 ELECTRICAL CONNECTIONS az de 1D1 1D7 B gt am TTTTITIT SIT VC service cor COM1 COM3 E a OOO 3 E pCO field card serial card HAL See lee A 4 Cy serial card te Y NM 1 ON OFF 1 ll on A a Wiring J A Control signals from humidity Important temperatureprobes externalcontroller e make sure that the cable glands are applied H to avoid interference separate the power cables from the probe external signal cables amp air line pressure transducer KZ ti tt Power supply External utility control A Important install a power switch outside the humidifier to completely 013 y isolate the mains power supply Digital Input 1D1 1D7 Control signals from external voltage free contact i e ON OFF humidistat Cumulative alarm relay COM1 coM3 alarm input from external devices enable wash water line from external si
73. t S2 checkthe maximum pressure set installer the end of the line maximum limit pressure too menu gt operating options low C3 for ON OFF units pressure regulator set too low S3 check the calibration of the pressure regulator 6 in proportional systems the air outlet C1 Jair line long and made from deformable material S1 decrease inlet pressure to the cabinet while pressure swings ensuring the pressure at the heads reaches 2 1 bars 7 air line active yet the heads don t atomise C1 the air outlet pressure is too low 52 1 ON OFF unit check the inlet air pressure and water the air pressure regulator 52 2 proportional unit without pressure transducer end of the line check air pressure limit installer menu gt operating options C2 water line NC solenoid valve not powered GJ check 24 V power to the solenoid valve C3 water line NO solenoid valve not powered GA check 24V power to the solenoid valve 5 C4 water pressure regulator closed fully unscrewed S4 adjust the pressure regulator so the outlet pressure is 0 35 bars C5 regulator not adjusted according to the height of S5 adjust the pressure regulator so the outlet T the heads pressure is 0 35 bars plus 0 1 bars for each metre of difference in height between the E cabinet and distribution line Wei C6 water pressure regulator dirty S6 remove the water pressure regulator and clean any impurities 8 water pressure reaches high values and is C1 water pressure re
74. ted to increase or decrease the water flow rate This operation should only be performed by authorised personnel CAREL service centres Air and water line The air and water pressure in the respective lines must have the following values Cabinet air inlet 5 to 7 bars Cabinet air outlet 2 1 bars lt Cabinet water inlet 3 to 7 bars lt Water outlet lt 0 35 bars if the heads and cabinet are at the same height 0 35 Hx0 1 bars if the heads and cabinet are at different heights H is the height between the heads and the cabinet water line in metres S B gt Ke 42 a xe Note maximum height between the cabinet and the water line is 20 m The MC modulating humidification system can modulate the production of atomised water by adjusting the air pressure at the heads allowing a proportional variation in flow rate lt The minimum pressure is set as default to 1 2 bars lt The maximum pressure is set as default to 2 1 bars These values can be modified so as to optimise lt the minimum pressure according to the type of atomising head used lt the maximum pressure according to the pressure drop in the line also see chapters 5 3 6 2 in the case of modulating units with pressure transducer at the end of the air line the maximum pressure is controlled automatically the transducer is supplied by CAREL as an option 43 MCmultizone 030221981 rel 2 1 21 05 2009 CAREL 16 MAI
75. temperature probes The ambient humidity control probe must be located inside the return air duct This sensor can also be positioned in the room being humidified Make sure however that the place where it is installed is away from flows of air that are hotter or colder than the environment or is not in contact with perimeter walls The temperature probe must follow the same rules as described above for the humidity probe The high humidity limit probe should be located downstream of the atomisation manifold in a position where it cannot be wet by the jet of atomised water e g after the cooling coil or after a droplet separator or near the fan 14 4 Manifolds for installation in ducts Special manifold kits are available for installations in ducts sized according to the number of atomising heads required and the dimensions of the AHU ducts CAREL 15 MAIN ADJUSTMENTS There are fundamentally three components that require adjustments lt atomising heads lt air and water lines lt electronic controller Heads The screw on the rear of the head is used to adjust the atomised water flow rate This is calibrated in the factory to the reference values 2 1 bars air 0 35 bars water for the design flow rate which may be 2 7 4 0 5 4 6 8 or 10 I h If the spray is visibly different in intensity from the other similar heads orthe environmental conditions mean higher or lower absorption the screw can be adjus
76. ual air pressure regulator 60 l h C R O A 0 6 0 manual air pressure regulator 230 l h C R O JA 2 3 0 manual water pressure regulator C R O W 0 0 0 modulating valve C A M V A 0 0 0 16 5 Pre programmed pCO controllers pre programmed pCO controller 60 l h ON OFF Master CE C C 0o0 6 C D 0 pre programmed pCO controller 60 l h ON OFF Master UL C C jo 6 C 0 pre programmed pCO controller 60 l h ON OFF Slave CE MIC C 0 6 C D S 0 pre programmed pCO controller 60 l h ON OFF Slave UL C C Oo 6 C s o pre programmed pCO controller 230 l h ON OFF Master CE MIC C 2 3 C D 0 pre programmed pCO controller 230 l h ON OFF Master UL MIC G 223 0 pre programmed pCO controller 230 l h ON OFF Slave CE C C 2 3 C D S 0 pre programmed pCO controller 230 l h ON OFF Slave UL MIC C 2 3 C S 0 pre programmed pCO controller 60 l h modulating Master CE C c 0 6 H D 0 pre programmed pCO controller 60 l h modulating Master UL C c 0 6 H 0 pre programmed pCO controller 60 l h modulating Slave CE MIC C 0 6 H D S 0 pre programmed pCO controller 60 l h modulating Slave UL G C O 6 H S 0 pre programmed pCO controller 230 l h modulating Master CE C C 2 3 H D 0 pre programmed pCO controller 230 l h modulating Master UL MIC c 2 3 H 0 pre programmed pCO controller 230 l h modulating Slave CE G C 2 3 H D S 0 pre programmed pCO controller 230 l h modulating Slave UL MJC El 20311 s o 16 6 Electrical panel kit and spare parts see paragraph 1 4 manifold M
77. valve at end of line ON OFF OFF production status ON OFF OFF Manual procedure 2 2 parameter range default alarm relay YES NO NO proportional output ON OFF OFF proportional valve ON OFF OFF To activate the individual manual procedures first enable the manual procedure parameter 8 4 Hour counter parameter range display hours production display reset hours YES NO 8 5 Alarm log Recorded trace of the alarms events that have been activated The humidifier memory can record up to 200 events complete with description and date press DOWN to scroll the list parameter display Alarm event description Log deleted 2222 Ti me hh mm Date dd mm yy CAREL 9 TABLE OF ALARMS When an alarm is activated the alarm button starts flashing intermittently In these conditions pressing the alarm button once displays the type of alarm In the case of potentially dangerous alarms the controller automatically stops production For some alarm events the alarm relay is also activated at the same time as the signal see the table below alarms meaning cause solution reset alarm action fal notes displayed relay high humidity humidity value measured check the set parameter manual inactive signal only jon outside of set by the probe limits greater than the humidity alarm threshold low humidity humidity value measured c
78. ww carel com and or by specific agreements with customers specifically to the extent where allowed by applicable legislation in no case will 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 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 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
79. y controls the pressure in the installation to the optimum value so as to compensate for any pressure drop in the line 6 The cabinet drain line must be connected directly to a drain cycle at a height of at least 50 mm below the level of the heads 7 The position of the cabinet must be selected so as to guarantee the shortest path to the lines If the lines are very long gt 50 m the cabinet should be positioned in the centre of the line so as to balance the pressure 8 The atomising heads must be distributed so as to uniformly cover the entire area involved The control cabinet must always be located in a central position in reference to the layout of the heads 9 The humidity sensor must be positioned where possible in a central area of the space being humidified in a point in which there are no flows of humidified air and atomised water from the atomising heads In addition avoid fitting the humidity sensor on a perimeter wall of the building as the temperature of the wall may be affected by the outside temperature and thus influence the reading 10 Shielded cables should be used to connect the control cabinet to the following devices humidity limit and temperature probes air line pressure sensor optional lt water line drain solenoid valve optional Avoid running these cables near other power cables electric motors contactors high voltage wires etc oO gt Ke 42 aa jo
80. y probe V term G GND M J2 BI outT or 124 J2 13 E 2 z 2 sl ar S 5 S BS a lla 3 28 geese I l I I I I I I I bos IS m a Sef NTC MCmultizone 030221981 rel 2 1 21 05 2009 CAREL f Modulating control with temperature control and humidity limit probe Oto1V Oto10V 2to 10V Oto20 mA 4to20mA NIC J24 V term GND r Ambient temperature and limit humidity probe Connections MC cabinet Ambient temperature and limit humidity probe V term G 924 GND M B1 outT gt B2 out H Limit humidity probe Temperature probe Connections MC cabinet 1 limit hum probe 2 temperature probe V term G G gn GND M M BI out T B2 out H 3 4 Control signals from ext voltage free contact i e ON OFF humidistat ID amp COM up to 30 m shielded cables size 0 5mm AWG20 an over 30 m shielded cables size 1 5 mm AWG15 TITA FZIA GE GO eee e ooo COM COM2 COM3 HS e QoQ0009 0 lolo 3 D Go zleleleleiel comi com2 comz I 2 3 4 6 N W GR Contact open MC unit off Contact closed MC unit on O ON OFF humidistat MC cabinet ON OFF humidistat 1D2 ON OFF COMI COM GR shield

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