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1. INA vlay V JAVA SNILVINGOW IIVNOIZIOdOId VIDA TIVA S INId OJIN Ol ENId L S H SI H I elele lal Gel 5 GER 23337388 99 83 So s Rai E UOISJ A 39 ADEZ 304 ATNO S K ER SP ASION WI 304 431113 Sua TENISTA O81113 e davo w aas SIIT dans IIMOS IPA og NA N OPA JJOLYINIWITY o IFI f OO O Ja 099 a 000 WA DIS VLIW SIONI O e o O KU em 210 tin HU SC 25 23553 F835 252 Um Po T oooh agon Be e H un IINZOISNYII IIOLYHIOISVAL m m er S mo ES RES O DO T NO T OZ 1 SE i Ce T gt De DE gt sa Se Se am fT o o gt os gt on ES ES S SE AS ST 31 10 2 Operating principle 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 gt Humidifier in production gt Humidifier in stand by no
2. MCmultizone 030221981 rel 2 3 09 12 2014 12 CAREL 3 1 Power supply To set the type of operation control and signal installer menu gt type of control see chap 7 Depending on the model MC D voltage 230V 1 50Hz MC 1 voltage 110V 1 60Hz a Modulating control with external controller A Oto 1V Oto 10V 2to 10V Oto 20 mA 4to20mA Important The cables must be shielded and conform to local standards Install a power switch outside the humidifier to completely J24 J2 12 isolate the mains power supply A 2 22335 S a e e 8 rog T_T eg EE L SE mme NW I I N GR PEII I I A T I lt M m si a m ASTA at GO ooo COM1 COM2 COM3 e Borra o o o co SIS1513181313 comi com cons 3 External controller Connections Connections l MC cabinet external controller MC cabinet Power cable 124 GND REF L L F phase J2 BI OUT N N W neutral GR GR PE earth b Modulating control with ambient humidity probe Oto1V Oto10V 2t010V 0t020mA 4to20mA 3 2 Remote ON OFF ID amp COM we E 5 32 J3 SE Es sue 8 Ellas y los Use two wire shielded cable AWG20 22
3. line problem cause solution 1 alarm status displayed C1 active alarm S1 checkthe alarm in table of alarms 2 unit powered and enabled the switch C1 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 check the 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 check the flow rate of the compressor in bars relation to the to the consumption expected for the installation C2 for proportional units without the transducer at S2 check the 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 dont atomise C1 the air outlet pressure is too low S
4. recommended supply water characteristics unit of limits measure min max pH 65 85 Specific conductivity at 20 C Or 20 c uS cm 0 50 Total hardness TH mg l CaCO 0 25 Temporary hardness mg l CaCO 0 15 Total dissolved solids cR mg U U Dry residue at 180 R180 C mg l U U Iron Manganese mg l Fe Mn 0 0 Chlorides ppm CI 0 10 Silicon dioxide mg l SiO 0 1 Chlorine ions mg l Ch 0 0 Calcium sulphate mg l CaSO 0 5 values depend on the specific conductivity in general L 0 65 ki Or 20 C Rigo 0 93 Ok 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 e electrical conductivity 100 uS cm total hardness 5 fH 50 ppm CaC03 6 5 lt pH lt 85 chloride content 20 mg l silica content lt 5 mg l 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 a water filter with a filter size no greater than 5 microns filt
5. Vu field card serial card a Fed Sa S riso ano AL I Corsa Qi aed iS BLACK ent L J wate PSE O T ou O Pressure probe Connections MC cabinet cable pressure probe B3 white C J2 GR shield VDC black A 3 6 Connection of NO drain solenoid valve at end of water line group of ID terminals Cable shielded AWG 15 20 Control to interface MC compressors with water treatment systems i power 500 VA Electrical specifications of voltage 250V the contact current 2 A resistive inductive MC cabinet OFF or in standby cabinet with production request contact open Status ofthe contact in P function of MC status contact closed Start compressor water treatment Connections MC cabinet Output NO solenoid valve CAREL code MCKDVWL000 313 NO5 ON OFF normally open or code MCKDVWLO01 20 VA 24 Vac CA COM up to 100 m shielded cables size 1 5 mm GR shield Recommended connection cables 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 _ NO Il COCO Q O FLIA F21A GO COM1 COM2 Olnos Cp O O Ol pz e O COM3 N04 O 17 O O GO COM1 CO
6. O Alarm re ay from water treatmen Compressor alarm relay Flow switch alarm relay Connections MC cabinet Relay a SUSE Alarm relay from water treatment COMI COM 4 ON OFF Compressor alarm relay COM1 COM Sg 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 wash line not enabled contact open Status and operation of externally the contact wash line enabled contact closed externally e ES Ki T T l vee si de l NO di I TTT E 60 CC GOM coma coms e 0000000 o 0 0 IE 2 com comz com 5 5 External contact for activating the wash function MCmultizone 030221981 rel 2 3 09 12 2014 CAREL Connections MC cabinet Relay for activating wash on ext signal ID7 ON OFF COM1 COM 3 12 Supervisor network I serial card n 1 LO lia TT CAREL optional cards network card protocol supported PCOS004850 RS485 CAREL Modbus PCO100M
7. e 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 3 09 12 2014 CAREL 7 INSTALLER MENU From the main screen press 7 3 Operating options PRG to access the main menu DOWN to move to the installer menu Operating options 1 2 S Gr konn Ge 0771 parameter description range default UOM ENTER to access the selected menu Remote p sensor pressure sensor YES NO NO UP DOWN to move between the submenus Li ENTER to select the parameter and move between the parameters ena UP DOWN to modify the parameter system ENTER to confirm the selected parameter and go to the next parameter Se Seege 0104 ER Bar ESC to return to the previous menu mse ALT RISSE i min air pressure Oto 4 12 bar max air press Oto 9 9 0 Installer menu screens offset l Type af control min air press Oto 9 9 0 Frobe configuration offset 3 Operating options d Special functions 5 Supervisor Operating options 2 2 4 parameter description range default UOM EE value at end of to allow automatic YES NO YES To navigate inside the screens line emptying and UP or DOWN to change the va
8. 8 1 Reset configurations Configuration Functions save the set configurations recall the saved configuration parameter range default zave 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 Bioz read only Code read only Uersion read only Date read only MCmultizone 030221981 rel 2 3 09 12 2014 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 CH YES NO NO air value ON OFF OFF water value ON OFF OFF drain valve ON OFF OFF valve at end af 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 value 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
9. pwo Z J10 mm J9 J5 J4 SERIAL CARD pap EEN EEN 000 000 J2 pl 3 J24 ME and ven JI MCmultizone 030221981 rel 23 09 12 2014 28 CAREL 10 ADVANCED FUNCTIONS 10 1 Wiring diagrams NONSSNNINSSSSSSSSN PS PRESSOSTATO LINEA ARIA PRESSURE SWITCH AIR LINE SNSNNNINssN SSN ws CAREL Wiring diagram for ON OFF version Slave codes ech M2 COM3 COM1 CO COM1 COM2 COM3 D a A 0000000 O Cy e 1110 230V 10 0 L wi Oa 01 Ski DI OZ SN WA GIONSIOS 331VM aoa YNDIV VOA VA0311313 Ns L 124V JA WA CIONI YADIY VIDATY NOSSNNSSSNN JAVA OIONF10S XIV vIdv VIOA TvAOJLIJT9 Fi SERIAL CARD SISISISIS OOO OOO PRESSOSTATO LINEA ARIA PRESSURE SWITCH AIR LINE SISISISISI ISISISIS SAND NN Sia D US e NEE nm 29 MCmultizone 030221981 rel 2 3 09 12 2014 LU Q JA IVA ONIIV INGON 31VN01Z30d03d VION
10. 120 44 30 22 18 12 30 12 30 14 35 15 40 18 230 85 58 43 34 23 35 12 40 14 45 15 55 18 MCmultizone 030221981 rel 2 3 09 12 2014 le Q Pur gt Bei a jo CAREL type of heads line length system A B C D LE 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 1 3 8 5 8 1 1 2 3 4 500 8 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 the 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 ofa pair of connectors in each line if the number of Connectors doubles choose the next largest diameter Sl dk Z FL MCmultizone 030221981 rel 2 3 09 12 2014 38 CAREL 13 INSTRUCTIONS FOR INSTALLATION IN ROOMS 13 1 Ti
11. 3 Characteristics of the air line 1 84HOUrcCOUNnteT EE 2 4 Type of compressed air M1 85 Alarm 09 2 5 Type of water and air lines 1 9 TABLE OF ALARMS 27 2 6 Water and air line accessories 1 or 3 ELECTRICAL CONNECTIONS 12 10 ADVANCED FUNCTIONS 28 3 1 Power supply ele 0 1 Wiring dagramz 3 2 Remote ON OFF ID amp COM 13 0 2 Operating principle 3 3 Modulating control signal J24 amp J2 e a13 0 3 Control principles 3 4 Control signals from ext voltage free contact i e ON OFF 0 4 Pressure control humidistat ID amp COM E E 0 5 Drain fll nia 3 5 Control signals ponn air vie pressure Seeche 02 ander 5 0 6 Periodical washing ofthe water n hag 3 6 Connection of NO drain solenoid valve at end of water line 0 7 Automatic cleaning of the atomising heads group of ID terminals 0 8 Pressure overboo s an 3 7 Ext utility control J13 19 EE d x 11 GENERAL CHARACTERISTICS OF THE I 9 f DISTRIBUTION SYSTEM 36 3 9 Alarm inputs from external devices 6 me 3 11 Enable wash water line on external Signal 16 1 1 Atomising head 3 12 Supervisor MEtWOTK cnn 6 1 2 Assembly kit 3 13 Proportional O to 10 VAC OUTPUT ecsessssssssesssesesnsssussensssssetnssed 6 12 DESIGNING A SYSTEM 37 4 MASTER SLAVE APPLICATIONS 17 2 1 Sizing an MC system 4 1 Applications for one large space or AHU single point 7 2 2 Sizing the compressor 4 2 Applications for multiple spaces or AHUs
12. 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 37 W 44 W 41 W 48 W Current 0 54 A 0 60 A 0 64A 0 70 A Product approved to UL998 amp CSA C22 2 No104 MCmultizone 030221981 rel 2 3 09 12 2014 CAREL 1 6 Opening the packaging per 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 mer 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 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 us
13. 6 INFO screens read only 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 a ON OFF or Modulating Press sensor bar psi Date amp time dd mm yy 00 00 Info 2 2 display UOM Humidifier model In production YES NO Hours production h Date amp time dd mm yy 00 00 MCmultizone 030221981 rel 2 3 09 12 2014 20 CAREL 5 7 SET screen Used to set the main values for the humidifier From the main screen press ENTER to access the menu ENTER to move from one value to the next UP amp DOWN to modify the selected value ENTER confirm and go to the next value Parameter range default UOM Set point D to 106 50 YorH C F Humidifier AUTO OFF OFF Max prod SH to des 100 Frog band to 13 3 5 YorH C F Limit set limit probe set o A to 1600 80 rH poiritase Frog band to 13 3 5 rH visible only if the limit probe is enabled 5 8 pLAN screen From the main screen press e DOWN to access the menu ENTER to select the unit UP amp DOWN to move from one unit to the next EN
14. 6 8 I h E MCAE200000 10 l h Kit MCK1AWO000 1 1 4 FF elbow connector 2 1 4 H43 MF column 5 3 1 4 nipple E 4 1 4 MF 2 way valve gt 5 1 4 PVSF 2 way valve 2 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 3 09 12 2014 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 considered volume of the local m3 current conditions of the room temperature C and relative humidity rH desired conditions in the room temperature C and relative humidity rH 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 air change m3 h e outside design conditions temperature C and humidity rH condensation on the cooling coil Note I
15. AE s 8 35 fils 3s g ron R ee O 1 C PA ae La L x amp x o x e 2 e e e e MO L 1 w an Campa a bebe ES dE IT An EE CEET ES EI De 5 60 OOG com coma cons FLIA FZIA e POI 0 o o erf co BEElglaklldeaekalt a 3 s Ambient humidity probe Connections Den ONE MC cabinet ambient humidity probe Connections J24 V term G MC cabi R ON OFF SL M cabinet emote 72 81 Bit kl ID1 NC NO COM 1 or 2 or 3 CON GR shield c Modulating control with external controller and limit probe Oto 1V Oto 10V 2to 10V Oto 20 mA 4to20mA 3 3 Modulating control signal J24 amp J2 TYS R C T The input control signal connections depend on the control algorithm Fail ka sil a l locos ES n PE mi H I I activated I I I 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 temper
16. MCKMNFDO00 manifold modulating air line 60 l h MCKAO60HUO modulating air line 60 Lh UL MCKAMVA000 modulating valve MCKFSVBCOO NC air solenoid valve 60 I h water NW MCKMNFDOOO manifold MCKA230H00 modulating air line 230 l h MCKMA12000 pressure gauge 0 to 12 bars MCKMNFDOOO manifold MCKAMVA000 modulating valve NC air solenoid valve L IMCKFSVACOO MCKA230HUO LI 2301 h modulating air line 230 l h UL MCKMNFDOOO manifold MCKMA 12000 pressure gauge Oto 12 bars MC KW 0 00000 MCKMNFDOOO manifold ON OFF normal water line 230 l h MCKMROWOOO Manna water pressure regulator NC air solenoid valve MCEFPSVBC00 60 I h water NW MCKW0000U0 water outlet pressure ON OFF normal water MCKMW02500 P S gauge NW 0 to 2 5 bars line 230 l h UL NO solenoid wat MCKDSVWCOO 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 3 09 12 2014 maintenance W I UV QU E Wel E NC air sol
17. 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 B 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 atomised 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 Fig 14 a Maximum distance H in mm reached by the jet air speed 2 7 1 h 4 0 I h 5 4 1 h 6 8 I h 10 l h in m s distance H inmm y y 20 660 737 914 1219 1792 I 3 0 610 686 838 1092 1605 de 4 0 559 610 731 965 1419 T 5 0 508 559 660 838 1232 T 6 0 457 508 559 711 1045 waterline_____ 75 406 432 483 584 859 air line F 10 0 356 381 406 432 635 cabinet air line water line If the height available is not sufficient the manifold can be installed 230 L T 22 mm 1 2 G 22 mm 1 2 G as shown in Fig 14 b This type of installat
18. daily ON time bands OFF ON OFF ON OFF o L l as P1 1 P1 2 P2 Individual ON time band OFF ON OFF 0 P2 24h P3 Always ON ON 0 24h P4 Always OFF OFF D 24h 6 5 Weekly scheduler Note this screen is visible if scheduler ON OFF has been enabled see the enable scheduler screen Setting of the weekly operation of the humidifier using parameters P1 to P4 configured in the previous screen parameter type of time band Monday P1 to P4 Tuesday P1 to P4 Wednesday P1 to P4 Thursday P1 to P4 Friday P1 to P4 Saturday P1 to P4 Sunday P1 to P4 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 al 00 00 0 0 to zz 00 00 0 0 to ZE 00 00 0 0 to z4 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 Z4 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 production can be programmed according to the needs of the utility O Note during the OFF time band the humidifier is NOT actually off but rather atomised water production is temporarily disabled even when setting manually
19. language choice at tu Supervisor config of T E Maintenance 1 password TT Ki External alarms BLAN config Reset conf System info Manual procedure 4 Hour counter 5 21 Alarm log MCmultizone 030221981 rel 2 3 09 12 2014 ID number for BMS network Com speed Type of protocol FF from Enable ON External alarms Water treatment Logic Compr Logic Flow switch Logic BLAN config 172 DL DH dode down arrou zet unit BLAN config C272 di Alarm delay Configuration Save como Load conto Default parameters Restore default parameters code Type of humidifier System info Do tread only read only Uerzioni Date fanual procedure Air valve Water valve Drain value Valve at end of line Production status Manual controle 125 Alarm relay Prop output Prop value Hour counter Hours of production L hours log read only Alarm Log deleted Time read only Date read only Manual controls Cieza From the main screen press PROG to access the main menu e ENTER to select and access the selected menu UP DOWN to move between the submenus ENTER to enter the submenus ENTER to select the parameter and move between the parameters UP DOWN to modify the parameter ENTER to confirm selected parameter and go to the next parameter ESC t
20. mm 23 82 inch depth D 255 mm 10 00 inch Packaged humidifier weight models MC H D 1 0 21 kg 46 3 Ib models MC C D 1 0 20 5 kg 45 2 Ib Installed humidifier weight models MC H D 1 0 19 5 kg 43 Ib models MC C D 1 0 19 kg 42 Ib Mechanical specifications Installation wall mounting IP40 cabinet operating conditions 1 to 40 C 34 to 104 F 80 rH non condensing storage conditions 1 to 50 C 34 to 122 F 80 rH non condensing MCmultizone 030221981 rel 2 3 09 12 2014 1 4 Components Electronic controller 1 2 Terminal Master version only 3 Transformer CAREL code MCKTROOOOO 4 odulating valve regulator modulating version only CAREL code CKARVA000 Terminal block fuse kit MCKFUSEOOO Air inlet pressure gauge Air pressure regulator regulator NC air solenoid valve A A 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 Power supply 110 230 Vac 12 Vdc 0 5 A modulating version only CAREL code MCKALO0000 1 5 Electrical specifications ir line pressure switch ON OFF versions only ir outlet pressure gauge 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
21. 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 signalonly off completely discharged or generic clock fault 27 MCmultizone 030221981 rel 2 3 09 12 2014 Wiring diagram for ON OFF version Master codes i N VI 24 1 YL Ta gt Sls 08 S 08 SE o dio S O OO Bale Z O O O 3 SI mur F3 AA 1110 230V JATIWA CIONITOS JIlyM YADIY VOA VA03 TRASFORMATORE TRANSFORMER EE A il A Fu ON 89 SON JIS aaalaal LI LON LI J14 Ala KJ SON SON KUN DN JI3 3NIVA QION310S AIV VIV VOA VA0211313 TJ EONI 12 ZON TON TI nall ON 4
22. 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 restarting 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 of the 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 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
23. the correct use of the product DANGER OF ELECTRIC SHOCK The humidifier contains live electrical components Disconnect the mains power supply before accessing inside parts or during maintenance and installation DANGER OF WATER LEAKS The humidifier automatically and constantly fills drains certain quantities of water Malfunctions in the connections or in the humidifier may cause leaks A Important The installation of the product must include an earth connection using the special yellow green terminal available in the humidifier e 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 hrough distribution systems ducts atomising racks 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 must be carried out accordin
24. the line e 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 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 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 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 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 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 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 The atomising heads must be distributed so as to uniformly cover the entire are
25. 2 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 S2 check 24 V power to the solenoid valve C3 water line NO solenoid valve not powered S3 check 24 V power to the solenoid valve T 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 E 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 E any impurities 8 water pressure reaches high values and is C1 water pressure regulator dirty S1 remove the water pressure regulator and clean not controlled any impurities 9 for duct installations low absorption C1 Jair speed in the duct too high in relation tothe S1 check the 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 so
26. DM0 R3232 external CAREL for remote connections modem TCP IP SNMP v1 amp v2c A as BACnet Ethernet ISO8802 2 8802 3 BACnet IP PCO10000F0 LON in FTT10 LON Echelon Ethernet ge PCO1000BA0 Modbus BACnet MS TP When suitably programmed A Important Follow the instructions provided with the optional cards as regards the technical specifications connections and expansions 3 13 Proportional 0 to 10 Vdc output J4 Parallel output to the 0 to 10 Vdc signal sent to the proportional valve L JA da in kes zl 2 e Z z gg s 33338 888 1 I I pol po po I I leo 0 10 Vdc Rif MC cabinet Outputs VGO REF YI 0 to 10 Vdc Output specifications maximum load 1 kO 10 mA CAREL 4 MASTER SLAVE APPLICATIONS MC master cabinet unit fitted with display to manage the operation of the unit itself and the other units connected MC slave cabinet unit without display that normally works based on the controls received from the master pLAN serial communication system to connect the master unit to the slaves across a local network 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 ar
27. E os J al ug BRIS BRE NT FPOOOO00 CC SI Wp sir kIr em 210 me DIC SP GE i Ses 2 33 RESEIRESER SE E Pur Par IG Se SS SSS U u e HGHG EE S i i 9 Abed m TO up A een x 5 29600 e JIIOISNYIL IIOLYNIOISVAL e hd o GC o CO m u am 23m ma ma E a O Pa O O 82 82 2 S E 85 ar i am G Da or SE 5 bon SE SI 3 ES ES nS S aS aS SE j 55 gt E gt 5 Ex ke A2 l S Si ER SS KE ER U 1 uiqe3 MCmultizone 030221981 rel 2 3 09 12 2014 ml LU lt Q Slave codes Ing version Wiring diagram for modulat 1 uiqe3 CH Y ma MCmultizone 030221981 rel 2 3 09 12 2014
28. M2 coma 3 GR O NO solenoid valve no Connections rmally open water line MC cabinet solenoid valve GO 1 NO4 2 GR 4 15 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 power 500 VA Electrical specifications of voltage 250 V the rela NEE 2 y current 2 A resistive inductive contact open no active alarms contact closed active alarm alarms Status and operation of the relay Alarm relay Connections MC cabinet Output Jia C07 COM N07 ON OFF GR shield MCmultizone 030221981 rel 2 3 09 12 2014 3 9 Alarm inputs from external devices air flow sensor air compressor alarm Inputs for signalling the status of external devices such as water treatment system alarm Cable shielded AWG 15 20 Configuration of type of see installer menu gt external alarms contact water treatment system contacts ID3 amp COMI air compressor contacts ID4 amp COMI air flow switch contacts ID6 amp COM2 Connections ID4 COM2 1D6 COMI 1D3 COMI TT TORA 2 2 2 2 2 2 2 GO OOO COM1 COM2 COM3 et
29. 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 O O These UV lamps are used to eliminate any bacteria from the supply water 6 Install the air and water lines 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 ee OL 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 codes 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 MCKDVWL000 or code MCKDVWL001 to perform the drain fill and washing functions
30. MCmultizone CAR EL Enc User manual LEGGI E CONSERVA QUESTE ISTRUZIONI THESE INSTRUCTIONS Integrated Control Solutions amp Energy Savings 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 must be heeded for
31. TER to confirm Units connected 1 master LA Celauel calas AE ta D n Current He tank CAREL 5 9 Main menu To access press PRG from the main screen Buttons UP amp DOWN navigation inside the submenus screens and range values and settings ENTER confirm and save the changes made ESC to go back pressed repeatedly returns to the Main screen de User no password Z Installer password TT 1 LH iT 4 ei Alarm thresholds olla Enable scheduler Set scheduler Weekly scheduler Scheduled setp Type of control Probe configuration Operating options Special functions Supervisor ain probe thresholds High alarm Low alarm Limit probe thresholds High alarm Alarm delay Clock Hour Dau Dau Enable scheduler Scheduler On Off Variable set point Set scheduler Pi i Fi a F4 Weekly scheduler ond au Tuesday Thursday Friday Zd Type of operation Type of Signal or probe Type of signal or probe jain Limit Unit of measure Stop slave offiine iain probe config fin value fax value Offset Limit probe Congo tin value fax value Offset Operating options 123 Special fune Hashing t washing ning period lashing duration Enable filling Filling duration Special func lt Select main screen display Language W
32. TWA 30 SA Clan O ENId e o e e o als o UOISJ 9A 39 A082 304 UND SSISISISISISISIS ISISISISISIS SISISISLSISISIS S VS Q SION JWI 304 SILILJ ON STE s ss STE e 8 JWI I8301SIQ OJLILI _ Ge Ge i gayo IVII3S BILIJAS AIMOJ OPA a po e se OPA FYOLVINSNI TH o HE o AA lt LC_ EH09 eH00 1moo IE IEO 5 OOO S AH ROMS IA Il K I Z lt l Z O O O booooog 2 090 OOO gt DII E
33. a involved The control cabinet must always be located in a central position in reference to the layout of the heads 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 e water line drain solenoid valve optional Avoid running these cables near other power cables electric motors contactors high voltage wires etc MCmultizone 030221981 rel 2 3 09 12 2014 40 CAREL CAREL 14 INSTRUCTIONS FOR INSTALLATION IN DUC For duct applications the solution with two probes is recommended humidity probe or signal from external controller limit probe this solution can be used indifferently for both types of cabinet 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
34. ambient humidity probe signal from external controller plus limit probe e two humidity probes ambient plus limit one temperature probe and one limit probe If installing humidity and 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 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 th
35. ated 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 if set point lt 10 hysteresis of 2 if set point gt 0 10 hysteresis of 5 A Request P Max I I I I 1 LI I I I 50 P Min 0 gt 0 Set point 100 BP SC 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 set point rH2 To set the set point and differential for the limit probe quick set menu Request Diff Humid aE 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 humidif
36. ation 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 l h MC models230 type of capacity modulation ON OFF MC models C or proportional MC models H power supply single phase 230 Vac 50 Hz MC models D or 110 Vac 60 Hz MC models 1 e version Master MC models M or Slave MC models S e type of water used mains drinking MC models 0 or demineralised aggressive MC models 1 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 Front view 500 28 _ Electric Intlet Electric Intlet Electric Intlet 580 Air Inlet Air Outlet later Inlet later Outlet Water Drain detail of the cabinet side view outlet to nozzles detail of the cabinet side view water and air inlet Packaging dimensions e height H 770 mm 30 14 inch e width W 605
37. ature control f mod control with temperature control amp limit probe cables O Limit humidity probe External controller 13 MCmultizone 030221981 rel 2 3 09 12 2014 CAREL Connections f Modulating control with temperature control and MC cabinet limit humidity probe external controller humidity limit probe 124 V term G GND M REF Oto1V Oto 10V 2to 10V Oto20 mA 4to20mA NIC B1 OUT B2 out H d Mod control with ambient probe 8 limit probe Oto1V 0to10V 2to 10V Oto20 mA 4to20mA J24 J2 J3 3_8 3 o 9 S gt Ambient temperature and limit humidity probe ii nn mm I I I I Connections I MC cabinet Ambient temperature and limit humidity probe G Vterm G M O J24 ENG a LA I BI out T I 22 B2 out H all LE Z O as I I 1 Or SCC S ei Oe O 1 lt J 47 S out H e gt k GR O Limit humidity probe Ambient humidity probe Connections MC cabinet limit humidity probe amb humidity probe V term G G es GND M M B1 outH B2 out H Limit humidity probe Temperature probe e Modulating control with temperature control A Connections Oto1V Oto 10V 2to10V Oto20mA 4to20mA NIC MC cabinet 1 limit hum pro
38. be 2 temperature probe pa V term G G GND M M Bl out T a B2 out H gt 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 ambient temperature probe Cables Connections S over 30 m shielded cables size 1 5 mm AWG15 MC cabinet Ambient temperature and limit humidity probe 124 V term G es 4 S GND M E SC 2 B1 outT Bar or Slalalalalels ob B G0 aa comi coM2 coms J24 12 J3 L ie sa bll seg e Sean e 90909900 o o o e _ scene TOT co Blalalalslsl l com couz comlf 3 E ERE I I Contact open MC unit off I I I I Contact closed MC unit on I I LT e NTC O ON OFF humidista MC cabinet ON OFF humidistat 1D2 ON OFF COM COM GR shield MCmultizone 030221981 rel 2 3 09 12 2014 14 CAREL 3 5 Control signals from air line pressure transducer J2 3 7 External utility control J13 Transducer CAREL for the codes of the probes see chap 16 2 Maintenance 0 to 4 bars 4 to 20 mA 11 to 60 psi Supplied with cable in different lengths depending on the code 10 m 50 m 100 m
39. 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 the 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 If there is significant pressure drop along the line measured by the operator using a 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 transducer connector 10m 50 mor 100 m cable In this case as well as co
40. ding to the type of signal connected 4 status of the atomising nozzles ci ad atomising nozzles operating fo atomising nozzles off 5 time bands set access the INFO screen UP button access the SET screen ENTER button access the pLAN screen DOWN button Symbol on display no image master unit not connected to a network stand alone Muti Zone master unit connected to a pLAN network for multiple spaces SINGLE ZoHe master unit connected to a pLAN network for single spaces SLAVE l LIMIT slave unit D S CO slalaleala Ko 19 MCmultizone 030221981 rel 2 3 09 12 2014 do db h band Types of descriptions IM OPERATION atomised water production in progress SHUTOOWH ALARM production stopped due to an alarm OFF FROM SUPERLISOR production stopped by supervisor OFF FROM SCHEDULER production stopped during the set time OFF FROM REMOTE production stopped due to opening of the Remote ON OFF contact OFF FROM KEYPAD production stopped from the keypad see SET screen MAHUAL MODE manual mode activated see maintenance menu HO REQUEST unit on without production request Types of unit status description line 2 DERIKI unit drainind FILL unit filling the water line CLEANING unit cleaning the heads on the air line HASHIHE unit washing the water line 5
41. dulating Master CE pre programmed pCO controller 60 l h modulating Master UL pre programmed pCO controller 60 l h modulating Slave CE pre programmed pCO controller 60 l h modulating Slave UL pre programmed pCO controller 230 l h modulating Master CE pre programmed pCO controller 230 I h modulating Master UL pre programmed pCO controller 230 I h modulating Slave CE pre programmed pCO controller 230 l h modulating Slave UL NINNA NN AAA IAN JAN IAN OIDO ZAIZIZIZIZIZIZIZIZIZIZIZIZIZIZIZ AFPAIAN ANANA Lalee Lar eilel OIDO NININ IN O O O O IN IN IN IN O OJO O WOW JO JO O YA YO D W Ww W W JO OO Ja II III TIT II TIOAN AN JAN IAN CS TCY IC c lt lt W lt lt o lt lt c lt lt S O O O S O O O O jO S O O O O 16 6 Electrical panel kit and spare parts see paragraph 1 4 manifold pressure switch power supply 110 230 Vac 12 Vdc 0 5 A transformer fuses modulating valve regulator pGDO kit for setting pLAN address lt lt lt lt lt lt EIS IS IFS CIII RS o ma oz o oa C m IF d Z ol lt u S oO T N gt mMmjojojo O mjojojojojolo ojojojojojojlo K OoOo O O O O O MCmultizone 030221981 rel 2 3 09 12 2014 46 CAREL 17 TROUBLESHOOTING 17 1 Troubleshooting table
42. e area being humidified as high as possible without however wetting the ceiling 7 S no amp Ia pa lt si yes 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 l h 4m 0 75 m 3 00 m 455 m 4 0 h 4m 0 75 m 335 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 h 94m 1 50 m 4 60 m 7 00 m 39 MCmultizone 030221981 rel 2 3 09 12 2014 Cc gt Bei TE A jo gt Ko E Re 4 The air water lines must not have variations of height 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 restarting 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 of the following devices installed at the end of
43. e 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 Only the master unit is fitted with a probe and the values saved are applied to all the units connected ater amp AHU Air Handling Unit 4 2 Applications for multiple spaces or AHUs multizone e Ideal for applications in a series of separate rooms or air handling units Each MC cabinet is fitted with a probe the values saved by each probe are managed by the cabinet this is connected to 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 pLAN ater amp AHU Air Handling Unit 17 4 3 Setting the serial 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 The slave units do not have terminals 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 To set the pLAN address use the
44. enoid valve 60 h water for NW CAREL NC air solenoid valve 230 L h o NO water solenoid valve for NW NC water solenoid valve for AW NO water solenoid valve for AW Z ar py yl L lL lL in to lt lt lt lt lt gt OOOO die diedie pressure gauge 0 to 12 bars inlet pressure gauge AW 0 to 10 bars air outlet pressure gauge 0 to 4 bars water outlet pressure gauge NW 0 to 2 5 bars water outlet pressure gauge AW 0 to 2 5 bars Laes H Lae Le HLA L NIN O N LH tn 1635 ls ojojojojo manual air pressure regulator 60 l h manual air pressure regulator 230 l h manual water pressure regulator modulating valve OOO EHL UCTY EOY A gt gt gt g gt lt S gt lt I O gt s gt gt S O N O olo wja ojojojo 16 5 Pre programmed pCO controllers pre programmed pCO controller 60 l h ON OFF Master CE pre programmed pCO controller 60 Wb ON OFF Master UL pre programmed pCO controller 60 l h ON OFF Slave CE pre programmed pCO controller 60 l h ON OFF Slave UL pre programmed pCO controller 230 l h ON OFF Master CE pre programmed pCO controller 230 l h ON OFF Master UL pre programmed pCO controller 230 l h ON OFF Slave CE pre programmed pCO controller 230 l h ON OFF Slave UL pre programmed pCO controller 60 l h mo
45. ers aa 46 6 6 Electrical panel kit and spare parts see paragraph 1 4 46 TROUBLESHOOTING 47 FV MOUBIESHOOTING eT 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 operating The system guarantees optimal atomisation at all times and prevents dripping when the install
46. ers available upon request 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 request a5 micron filter upstream of the cabinet 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 2 5 Type of water and air lines copper pipes mains drinking water only plastic hoses polypropylene hoses ensure faster and simpler connections by welding galvanised steel pipe may lead to the detachment of impurities and cause blocking or damage to the nozzles YES NO A Important Apply sealant to the joints of the pipes and hoses running to the atomising nozzles preferably Teflon or liquid Teflon 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 out 2 CFILAIRO1 1 2 air filter G1 2 F in out 3 CFILWATO5 5 water filter container G1 2 F in out 4 CKSUVOOOO UV sanitising kit G1 4 F in out 5 CKPT 000 pressure transducer G1 4 M 0a CKMA04000 air outlet pressure gauge 0 G1 4 M Ob to 4 bars CKDVWLOO NO solenoid valve at end G1 4 F in out 13 of line CKMWO2501 water outlet press
47. f 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 75 The air consumption for all heads is equal to 0 41 m3 h per litre of water at an operating pressure 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 aX 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 C a ai
48. features of its products without prior notice 47 MCmultizone 030221981 rel 2 3 09 12 2014 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 3 09 12 2014
49. fferential 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 Request Diff Temp i rw I P Max 1 l l l l l P Min I l l 0 L gt 0 Set point 100 C F MCmultizone 030221981 rel 2 3 09 12 2014 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 controlled using Manual regulating valve ON OFF operation Manual regulating valve amp pressure transducer in line ON OFF operation Proportional valve modulating operation 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
50. g 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 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 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 Do not use corrosive chemicals solvents or aggressive detergents to clean he inside and outside parts of the humidifier unless specifically indicated in the user manual Do not drop hit or shake the humidifier as the inside parts and the linings may be irreparably damaged CAREL S p A adopts a policy of continual development Consequently CAREL reserves the right to make changes and improvements to any product described in this document without prior warning The technical specifications shown in the manual may be changed without prior warning The liability of CAREL S p A in relation to its products is specified in the CAREL S p A general contract conditions available on the website www carel com and or by specif
51. ic 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 packaging and on the instructio
52. ier 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 high humidity alarm threshold e low humidity alarm threshold When these thresholds are exceeded an alarm is activated after a set delay A Request Diff Humid gt P Max 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 band 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 di
53. ing the screws and bracket supplies Make sure there is enough space to connect the air and water inlet and outlet lines CAREL 1 10 Components and accessories rear of the cabinet Once having opened the front cover of the humidifier make sure the following are included 888 w kit of screws with PG13 cable glands for the electrical plugs for walk connections mounting 440 390 200 1 9 Opening the cabinet door 1 press and turn anticlockwise using a flat head screwdriver max 8 mm until releasing the door 2 open the door on the cabinet by swinging to the left 9 MCmultizone 030221981 rel 2 3 09 12 2014 CAREL 2 WATER AND AIR CONNECTIONS d Important before proceeding disconnect the humidifier from the power supply Connections Fittings provided for the water connections we 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 isolated not supplied by CAREL 2 Install an oil filter CAREL code MCFILOIL01 to remove particles of oil from the compressed air e 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 filter casing code
54. inside the cabinet With the pressure transducer the pressure at the end of the line can be shown on using the manua the controller display and if necessary increased pressure regulator for cabinets with modulating control With a pressure g at the end of the the correspondin auge installed at the end of the line the pressure ine can be read and if necessary increased using g parameter on the electronic controller With the pressure transducer the cabinet automatically controls the pressure in he installation to the optimum value so as to compensate for any pressure drop in the line MCmultizone 030221981 rel 2 3 09 12 2014 42 CAREL 14 3 Positioning the humidity probes If installing humidity and 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 i
55. ion pLAN configuration mode 1 2 parameter range def UOM pLAK mar Ler maz Ler Ll aye master Hode multizone single multizone point pLAN configuration units present and names 2 2 parameter range def UOM Mick YES NO YES Z Gef YES NO NO Alarm delay Oto 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 W X Y Z 0 1 2 3 4 5 6 7 8 9 b d j 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 3 09 12 2014 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 UP DOWN to enter the password 77 ENTER to access the selected menu UP or DOWN to move between the submenus ENTER to select parameter and move between the parameters UP DOWN to modify the parameter ENTER to confirm the selected parameter and go to the next parameter ESC to return to the previous menu Maintenance menu screens 1 Rezet conf System info Manual procedure Hour counter Alarm log
56. ion is used to humidify in 60 I h 14 mm 1 2 G 14 mm 1 26 smaller ducts Any losses due to condensation and removed by the droplet separator will however be greater air flow Kg 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 P f Fig 14 c 41 MCmultizone 030221981 rel 2 3 09 12 2014 gt Bei e 1A jo 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 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
57. istance between two cabinets 200 m 219 yd MASTER service Carr service car Lio lwd 110 Ld 19 lw 110 MO reo Mo MC Master cabinet J11 MC Slave cabinet RX TX RX TX J11 RX TX J11 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 3 09 12 2014 18 CAREL 5 STARTING AND USER INTERFACE Before starting the humidifier check 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 5 2 Stopping E OFF 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 3 First start up setting the language On power up the following screen is displayed elect language English E 1 Ze Italiano Deutsch A 5 a Francais Espaniol Press ENTER to go the list of languages then UP to select the desired language and ENTER to confirm This screen remains disp
58. kit PGDOOO2FOK 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 e 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 switch the cabinet on e 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 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 change the serial address on the slaves and not on the master en Table of serial addresses installer s responsibility see installer menu gt pLAN configuration serial room or AHU ddr unit unit name master slave 1 slave 2 slave 3 slave 4 slave 5 MCmultizone 030221981 rel 2 3 09 12 2014 CAREL 4 4 pLAN network connection J11 Connections Use two wire cables plus earth AWG 20 22 maximum d
59. layed for 60 seconds Subsequently the following screen will be displayed Show language mask at unit start up Yez Ho YES the screen for choosing the language will be displayed when the humidifier is started the next time NO the screen for choosing the language will no longer be displayed on power up Note The language can also be changed from the maintenance menu maintenance menu gt system info gt language 5 4 Keypad function list active alarms and reset any alarms present return to the main screen from the main screen access the main menu return to the previous screen display circular navigation inside the menus the screens the parameters and the values of the parameters from the main screen access an INFO menu select and confirm like the Enter key on a computer keyboard from the main menu access the SET screen circular navigation inside the menus the screens the parameters and the values of the parameters rom the main screen access the pLAN screens and connect o the SLAVE cabinets button 1 alarm 2 PRG 3 ESC 4 UP 5 ENTER 6 DOWN 5 5 Main screen 1 description of unit status 2 line 2 description of unit status 3 value read accor
60. lenoid valve at the end of the water line available as an option 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 the NC water fill solenoid valve in the cabinet is activated opened the NO drain solenoid valve in the cabinet is activated closed the NO solenoid valve at the end of the line is deactivated opened The duration of the 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 deactivated 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 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 additi
61. lenoid 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 52 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 check the oil separator filter upstream of the cabinet 13 the heads produce a jet 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
62. lenoid 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 e 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 3 09 12 2014 32 CAREL 10 3 Control principles ON OFF control from contact 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 T
63. lue within the options range periodical washing ENTER to confirm and move the cursor to the next value of the water line ESC to return to the installer menu logic alarm relay alarm relay status NO NC NO setting proportional signal 3 to 60 10 set point 7 1 Type of control 7 4 Special functions Settings type of operation ON OFF or modulating type of signal or I 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 af ON OFF parameter range default UOM operation modulating Enabled YES NO YES Type af signal External contact Period Oto 30 min or probe External proportional signal 999 External proportional signal amp limit probe Duration 60 to 160 S Humidity probe 999 Humidity probe amp limit probe Temperature probe Temperature probe amp limit probe Special 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 AECH ia bar default parameter range default UOM measure F psi
64. manual Stop slave ke if the pLAN network is offline the slave units washing Sutera ER offline efault sto n NO SC pLAN network is offline the slave units sis E washing NO YES Sa continue washing period 1 to 99 6 h washing duration Oto 15 10 min enable filling NO YES NO filling duration 1 to 1000 3 s 7 2 Probe configuration EE 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 YorH parameter settings range default UOM da Main probe Min value Oto 100 10 rH C F ae French condo Max value Oto 100 100 rH C F sin German Offset 10to 10 0 YorH C F Spanish Limit probe Min value Oto 100 0 rH C F hai language choice at start YES NO YES config Max value Oto 100 100 rH C F ME Offset 10t0 10 0 rH C F MCmultizone 030221981 rel 2 3 09 12 2014 24 CAREL 7 5 Supervisor parameter range def UOM ID number 0 to 200 1 for EMS network communication speed 1200 2400 4800 19200 bps 9600 19200 type of protocol Carel Modbus Lon Carel RS232 Winload enable ON DFF YES NO NO from supervisor 7 6 External alarms parameter range def UOM water treatment NO YES NO logic NC NO NC COMPrezzor NO YES NO logic NC NO NC fiow switch NO YES NO logic NC NO NC 7 7 pLAN configurat
65. multizone 2 3 Sizing air water lines EE ebe n distribution DEED 13 INSTRUCTIONS FOR INSTALLATION INROOMS 39 4 3 Setting the serial address for units with multiple slaves 4 4 PLAN network connection N 5 STARTING AND USER INTERFACE 3 1 Tips for correct installation SO aaa 3 2 Assembling the atomising head 5 2 Stopping 9 3 3 Positioning the humidity probesS 5 3 First start up setting the language 19 3 4 Important rules to be followed 34 Keypag S 14 INSTRUCTIONS FOR INSTALLATION INDUCTS 41 5 5 Main screen Soli a19 Se INFO screens id only 0 4 1 Positioning the atomisation manifold 5 7 SET sCreen_ a 20 42 dio rules to ge en AA 5 8 pLAN screen 0 ba SEE ER DEE PIO oa SI Mal Mind rs 21 44 Manifolds for installation in ducts men Fa 15 MAIN ADJUSTMENTS 8 6 USER MENU 22 6 1 Alarm thresholds 6 2 Clock 6 3 Enable scheduler 6 4 Set scheduler 6 5 Weekly scheduler ciccia 22 5 MCmultizone 030221981 rel 2 3 09 12 2014 16 17 MAINTENANCE 44 6 1 Maintenance procedures 44 6 2 Kits amp optional accessories for the air water line see chap 2 6 3 Kits amp optional accessories for the atomising heads see CAPS T 44 6 4 Spare parts for air water line see paragraph 1 4 45 6 5 Pre programmed PCO controll
66. n 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 3 09 12 2014 CAREL Content 1 INTRODUCTION AND ASSEMBLY 7 6 6 Scheduled set ME eessen genee 23 i 7 INSTALLER MENU RN 24 2 Models Met een nike en 7 oe a ee 3 Dimensions and weights 7 7 1 Type of control 4 Components 8 7 2 Probe configuration 5 Electrical specifications AiO 73 Operating piles b 6 Opening the packaging ono 1A Special functions gen 7 Positioning the cabinet 8 7 5 Superviso 8 Wall mounting 8 7 6 External alarms 9 Opening the cabinet door 9 7 7 pLAN configuration 10 Components and accessories neuen 9 8 MAINTENANCE MENU e 26 2 WATER AND AIR CONNECTIONS 10 8 1 Reset configurati 2 1 Characteristics Of the water line 1 8 2 System information read only 2 2 Type of supply water 1 8 3 Manual procedure 2
67. nstallation 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 atomising heads air and water lines e 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 or the environmental conditions mean higher or lower absorption the screw can be adjusted 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 Cabinet water inlet 3 to 7 bars Water outlet 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 pur gt Bei e en jo Note maximum height between the cabinet and the water line is 20 m The MC mod
68. ntrol 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 3 09 12 2014 34 CAREL 10 5 Drain fill A 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 of the line The fill operation is performed as follows starting from empty the NC water fill solenoid valve in the cabinet is activated opened the NO drain solenoid valve in the cabinet is activated closed the NO solenoid valve at the end of the line is deactivated opened The duration of the 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 of the cycle the NO drain solenoid valve at the end of the 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 Important this function requires the installation of a CAREL NO drain so
69. o return to the previous menu User menu screens 1 Alarm thresholds 2 Clock Z Enable scheduler d Set scheduler D Weekly scheduler amp Scheduled set point 6 1 Alarm thresholds parameter par name range default UOM Main probe alarm high alarm Oto 100 0 100 0 thresholds low alarm 0 to 100 0 0 0 Limit probe alarm high alarm Oto 100 0 100 0 thresholds Alarm delay Oto 999 1 min 6 2 Clock Used to set the timed activation of the humidifier parameter range hour 2 min Oto 23 0t0 59 chay 1to 31 mon L 1to 12 year 00 to 99 format dd mm yy mm dd yy week dau Monday to Sunday 6 3 Enable scheduler Enable control of the time bands and the set points parameter enabled Scheduler OrneOtt YES NO variable set point YES NO When the time bands are set the display shows the symbol 6 4 Set scheduler Note this screen is visible if scheduler ON OFF has been enabled see the enable scheduler screen Setting of the intervals for the operation of the humidifier over one day 24h time band ON OFF MCmultizone 030221981 rel 2 3 09 12 2014 22 CAREL Fi Fi i 09 00 13 00 Pics 14 00 21 00 FE 14 00 21 00 PI always ON Pa always OFF Parameters P1 to P4 can be used set how many times atomised water production is enabled disabled over a 24h period P1 Two
70. o 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 e high humidity alarm threshold e low humidity alarm threshold When these thresholds are exceeded an alarm is activated after a set delay Request ii P Max Hy 1 I I LI d l I I LI LI Li I I LI l LI l I I fi H Set point 100 rH 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 high temperature alarm threshold low temperature alarm threshold When these thresholds are exceeded an alarm is activated after a set delay A Request P Max 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 indic
71. on 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 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 3 09 12 2014 CAREL 11 GENERAL CHARACTERISTICS OF THE DISTRIBUTION SYSTEM 11 1 Atomising head 11 2 Assembly kit The atomising heads are available in AIS 316 stainless steel with 5 This is 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 MCKTAWOOOO for assembly of the heads on the lines in the room or B MCAB200000 A0 U h in the duct C MCAC200000 5 4 h D MCAD200000
72. ps 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 lowerthan 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 All the atomising heads must be installed at the same height to avoid variations in pressure that would make the sprays of atomised water ess uniform The assembly kit allows the head to be turned vertically so as to aim he 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 The water lines must not have pockets along the path so that the installation can be drained completely by gravity when stopped Make sure not to reverse the water air inlets on the atomising heads he air inlet is always marked by a label showing AIR The cabinet control system can be connected to signal from an external controller e
73. r 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 refer to the tables below Make sure that the inside 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 no heads installed per air water air water air water air water 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
74. 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 er event description Log deleted Time 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 notes displayed relay high humidity humidity value measured check the set parameter manual inactive signalonly on outside of set by the probe limits greater than the humidity alarm threshold low humidity humidity value measured check the set parameter manual inactive signalonly on outside of set by the probe limits less than the humidity alarm threshold humidity probe humidity probe main 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 high humidity limit humidity value mea
75. s 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 MIC D VI WI L 01010 5 NO solenoid valve at end of line for AW aggressive water CIK DIVWILG 0 1 E pressure transducer I 10 m C IK P T 0 1 0 0 0 QU pressure transducer I 50 m C P T 015 101 010 E pressure transducer I 100 m CIKIPIT 1 O O O O E air outlet pressure gauge 0 to 4 bars CIK M AJ014110 010 water outlet pressure gauge AW 0 to 2 5 bars M C M W 1012151011 UV lamp sanitising kit S U V 0 O O O UV lamp CIK U V 0 0 0 0 0 5 water filter container CIE I 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 R O 1 3 8 oil filter for air C F I L O I L O 1 humidity probes for ducts 10 to 9096 rH DIPID IC 1 1 2 O 0O O humidity probes for ducts 0 to 100 rH DIPID IC 2 1 2 0O 0O O ambient humidity probes 10 to 9096 rH DIPIW C1 1 2 O 0O O temperature humidity probes for industrial environments 10 to 70 C 0 to 100 rH D IPIP IC 2 1 2 O 0O O temperature h
76. 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 3 09 12 2014 10 CAREL 2 1 Characteristics of the water line 2 3 Characteristics of the 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 I h 230 I 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 3to7 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 and oil free air 2 2 Type of supply water Upstream of the cabinet connect the following devices available upon 8 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
77. sured 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 signalonly 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 on 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 active signalonly jon compressor alarm flow switch alarm from AHU no air in AHU check AHU manua active signal only on flow switch alarm water treatment alarm from water treatment check water treatment system manua active signalonly jon system water treatment system fault system alarm pressure pressure pressure check pressure sensor manua active stop on for proportional sensor faulty or
78. t in production Request ON contact closed No request OFF contact open Status of the outputs Humidifier in production e Water line active NO drain solenoid valves active NC fill solenoid valve active Airline active NC air line activation solenoid valve active Humidifier off not in production e 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 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 0 to 10 V signal The system behaves as follows Status of the outputs Humidifier in production e Water line active NO drain so
79. ulating humidification system can modulate the production of atomised water by adjusting the air pressure at the heads allowing a proportional variation in flow rate The minimum pressure is set as default to 1 2 bars The maximum pressure is set as default to 2 1 bars These values can be modified so as to optimise the minimum pressure according to the type of atomising head used 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 3 09 12 2014 CAREL 16 MAINTENANCE 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 regulator
80. umidity probes for industrial environments 0 to 50 C 10 to 90 rH D I PIP IC 1 1 2 O 0O O 16 3 Kits amp optional accessories for the atomising heads see chap 11 Atomising head assembly kit MJC K 1 A W 0 0 0 0 Atomising head mod A 2 7 l h MJC JA A 2 0 0 0 0 0 Atomising head mod B 4 0 I h M IC A B 12 0101 101 010 Atomising head mod C 5 4 l h MICIA C 21010 01010 Atomising head mod D 6 8 l h M IC A D 12 01010 010 Atomising head mod E 10 l h MJC A E 2 0 0 0 0 0 MCmultizone 030221981 rel 2 3 09 12 2014 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 MCKAO60DOO ON OFF air line 60 I h MCKMA12000 pressure gauge 0 to 12 bars MCKMNFDOOO manifold MCKMROA060 manual air pressure regulator 60 l h NC air solenoid valve MCKAO60DU0 MEKFSYBCOO 60 I h water NW ON OFF air line air outlet pressure gauge 0 60 I h UL MCKMA04090 to 4 bars MCKPS00000 pressure switch MCKMA12000 pressure gauge 0 to 12 bars MCKA230D00 ON OFF air line 230 l h MCKMNFD000 manifold MCKMR0A230 manual air pressure regulator 230 l h MCKFSVACOO NCairsolenoid valve 230 l h MCKA230DUO MCKMNFD000 manifold ON OFF air line 230 I h UL MCKPS00000 pressure switch MCKMA12000 pressure gauge 0 to 12 bars MCKAO60HOO
81. ure gauge G1 4 M 4 0 to 2 5 bars MCmultizone 030221981 rel 2 3 09 12 2014 CAREL 3 ELECTRICAL CONNECTIONS _ a gt a ae service card TI TI OOO OOO serial card Lis Lng COM1 COM3 pco field card serial card Wiring H A Control signals from humidity Important 7 temperatureprobes externalcontroller e make sure that the cable glands are applied SH fs amp air line pressure transducer L B to avoid interference separate the power cables from the probe external signal cables Power supply External utility control A A Important install a power switch outside the humidifier to completely 13 gt isolate the mains power supply Digital Input ID1 ID7 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 signal 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 Nm SY n wa 40 0 U oo oO FU 222 EN A J12 J13 rumm fit TI

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