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MCmultizone

atomising humidifi ers

User manual

Summary of Contents for MCmultizone

Page 1: ...I n t e g r a t e d C o n t r o l S o l u t i o n s E n e r g y S a v i n g s MCmultizone atomising humidifiers User manual ...

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Page 3: ...clines all liability for any such unauthorised use Do not attempt to open the humidifier in ways other than those specified in the manual Observe the standards in force in the place where the humidifier is installed Keep the humidifier out of the reach of children and animals Do not install and use the product near objects that may be damaged when in contact with water or condensate CAREL S p A declin...

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Page 5: ...difier 7 1 2 Models 7 1 3 Dimensions and weights 7 1 4 Components 8 1 5 Electrical specifications 8 1 6 Opening the packaging 8 1 7 Positioning the cabinet 8 1 8 Wall mounting 8 1 9 Opening the cabinet door 9 1 10 Components and accessories 9 2 WATER AND AIR CONNECTIONS 10 2 1 Characteristics of the water line 11 2 2 Type of supply water 11 2 3 Characteristics of the air line 11 2 4 Type of compress...

Page 6: ...line see chap 2 44 16 3 Kits optional accessories for the atomising heads see chap 11 44 16 4 Spare parts for air water line see paragraph 1 4 45 16 5 Pre programmed pCO3 controllers 46 16 6 Electrical panel kit and spare parts see paragraph 1 4 46 17 TROUBLESHOOTING 47 17 1 Troubleshooting table 47 ...

Page 7: ...ve 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 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 phas...

Page 8: ... MC H1 00 MC H1 01 Vac phases Hz 110 V 1 60 Hz Power 37 W 44 W 41 W 48 W Current 0 54 A 0 60 A 0 64 A 0 70 A 1 Product approved to UL998 CSA C22 2 No104 1 6 Opening the packaging 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 remov...

Page 9: ...r 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 1 2 1 10 Components and accessories Once having opened the front cover of the humidifier make sure the following are included kit of screws with plugs for wall mounting PG13 cable glands for the electrical connections ...

Page 10: ...mm below the level of the atomising nozzles to drain the water remaining in the lines when the installation is in standby or off 8 Atomising nozzle assembly kit for rooms and ducts CAREL code MCK1AW0000 9 Atomising nozzles for the models see par 11 10 Optional install one of the following components pressure gauge at the end of the air line CAREL kit code MCKMA04000 to display the pressure at the e...

Page 11: ...binet 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 filters available upon request anexpansionvessel notsuppliedbyCarelSpA withacapacityofseveral litres to avoid water hammer that may damage the ins...

Page 12: ... i e ON OFF humidistat alarm input from external devices enable wash water line from external signal J14 Cumulative alarm relay J11 Connection for master slave communication networks pLAN External supervisor systems J24 Power supply for humidity temperature probes and references for external controllers Proportional 0 to 10 Vdc output pCO3 terminal block service card NO8 C7 C4 C1 C8 NO7 NO4 NO1 NC...

Page 13: ...binet side to specific earth terminal GR see connection diagrams the signal can come from a modulating control with external controller b modulating control with ambient humidity probe c external controller limit humidity probe d ambient humidity probe limit humidity probe e modulating control with temperature control f mod control with temperature control limit probe To set the type of operation c...

Page 14: ...B2 B3 J24 V term GND 5V ref GND VDC NTC f Modulating control with temperature control and humidity limit probe 0 to 1 V 0 to 10 V 2 to 10 V 0 to 20 mA 4to20mA NTC J4 J3 J2 ID1 VG VG0 Y1 Y2 Y3 Y4 B4 BC4 B5 BC5 B1 B2 B3 J24 V term GND 5V ref GND VDC GR 1 1 Ambient temperature and limit humidity probe Connections MC cabinet Ambient temperature and limit humidity probe J24 V term G GND M J2 B1 out T B...

Page 15: ...2 ID3 ID3 ID4 ID4 ID6 ID6 ID7 ID7 COM1 COM1 COM2 COM2 COM3 COM3 F1 1A F2 1A 1 NO 1 NO solenoid valve normally open water line Connections MC cabinet solenoid valve G0 1 NO4 2 GR 4 3 7 External utility control J13 Cable shielded AWG 15 20 Control to interface MC with compressors water treatment systems Electrical specifications of the contact power 500 VA voltage 250 V current 2 A resistive inductiv...

Page 16: ...xternal contact for activating the wash function Connections MC cabinet Relay for activating wash on ext signal ID7 ON OFF COM1 COM 3 12 Supervisor network J5 J4 J3 J2 J1 serial card field card service card ID1 ID2 ID3 ID4 ID5 ID7 ID8 IDC1 VG VG0 Y1 Y2 Y3 Y4 B4 BC4 B5 BC5 B1 B2 B3 J24 V term GND 5V ref GND VDC G G0 NO8 C7 C4 C1 C8 NO7 NO4 NO1 NC8 C7 NO5 NO2 NO3 C4 C1 Rx Tx Rx Tx GND J9 J10 J11 J12...

Page 17: ...ee installer menu type of control stop slave offline pLAN Slave 1 Master Slave 5 Water Air lines up to 5 Slave units AHU Room 2 AHU Room 1 AHU Room 1 AHU Air Handling Unit 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 sl...

Page 18: ... GR service card Rx Tx Rx Tx GND J9 J10 J11 service card Rx Tx Rx Tx GND J9 J10 J11 Connections MC Master cabinet J11 MC Slave cabinet J11 RX TX J11 RX TX RX TX 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 ...

Page 19: ...n power up Note The language can also be changed from the maintenance menu maintenance menu system info language 5 4 Keypad 6 4 5 3 2 1 button function 1 alarm list active alarms and reset any alarms present 2 PRG return to the main screen from the main screen access the main menu 3 ESC return to the previous screen display 4 UP circular navigation inside the menus the screens the parameters and t...

Page 20: ...reen There are two INFO screens to move from one screen to the next press UP or DOWN Press ESC to return to the Main screen Info 1 2 display UOM Request 50 100 Air line ON OFF Water line ON Drain Type of op ON OFF or Modulating Press sensor bar psi Date time dd mm yy 00 00 Info 2 2 display UOM Humidifier model In production YES NO Hours production h Date time dd mm yy 00 00 5 7 SET screen Used to ...

Page 21: ...r Max air press Min air press Max air press offset Min air press offset Operating options 2 2 Valve at end of line Alarm relay logic Prop s set point 4 Special functions Special func 1 3 Independent cleaning Enabled Period Duration Special func 2 3 Washing Start washing Washing period Washing duration Enable filling Filling duration Special func 3 3 Select main screen display Language Show languag...

Page 22: ...d yy weekday Monday to Sunday 6 3 Enable scheduler Enable control of the time bands and the set points parameter enabled Scheduler On Off 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 humidifi...

Page 23: ...re set points at different times of a day parameters Z1 Z2 Z3 Z4 Z1 Z2 20 U R 50 U R 30 U R Z3 Z4 0 24h By setting the daily and variable set point time bands atomised water production can be programmed according to the needs of the utility Note during the OFF time band the humidifier is NOT actually off but rather atomised water production is temporarily disabled even when setting manually the daily...

Page 24: ...twork is offline the slave units continue 7 2 Probe configuration Setting of the minimum value maximum value and offset for the probes used parameter settings range default UOM Main probe config Min value 0 to 100 0 rH C F Max value 0 to 100 100 rH C F Offset 10 to 10 0 rH C F Limit probe config Min value 0 to 100 0 rH C F Max value 0 to 100 100 rH C F Offset 10 to 10 0 rH C F 7 3 Operating options Ope...

Page 25: ...ow switch NO YES NO logic NC NO NC 7 7 pLAN configuration pLAN configuration mode 1 2 parameter range def UOM pLAN master master slave master Mode multizone single point multizone pLAN configuration units present and names 2 2 parameter range def UOM M1 YES NO YES S2 S3 S4 S5 S6 YES NO NO Alarm delay 0 to 99 30 S The MASTER and SLAVE units are named by default however they can be renamed using the...

Page 26: ...t parameters YES NO NO code display only 8 2 System information read only information display Boot read only Bios read only Code read only Version read only Date read only 8 3 Manual procedure Important these operations must only be performed by qualified personnel incorrect use may cause serious damage These procedures are used to manually test the main functions and operations of the humidifier Ma...

Page 27: ... master unit offline master unit not connected to the pLAN pLAN network disconnected check connection of pLAN cable to terminals on controller manual active signal only on low pressure alarm insufficient air pressure insufficient air pressure check air line pressure manual active stop production on for ON OFF units compressor alarm from air compressor compressor fault alarm check air compressor manual a...

Page 28: ...izone 030221981 rel 2 3 09 12 2014 cabinet distribution maintenance 10 ADVANCED FUNCTIONS 10 1 Wiring diagrams Wiring diagram for ON OFF version Master codes MC C M PS PRESSOSTATO LINEA ARIA PRESSURE SWITCH AIR LINE ...

Page 29: ...29 ENG MCmultizone 030221981 rel 2 3 09 12 2014 cabinet distribution maintenance Wiring diagram for ON OFF version Slave codes MC C S PS PRESSOSTATO LINEA ARIA PRESSURE SWITCH AIR LINE ...

Page 30: ...30 ENG MCmultizone 030221981 rel 2 3 09 12 2014 cabinet distribution maintenance Wiring diagram for modulating version Master codes MC H M ...

Page 31: ...31 ENG MCmultizone 030221981 rel 2 3 09 12 2014 cabinet distribution maintenance Wiring diagram for modulating version Slave codes MC H S ...

Page 32: ...id valves active NC fill solenoid valve active Air line active NC air line activation solenoid valve active Proportional valve controlled proportionally to required pressure Humidification not request Water line inactive NO drain solenoid valves deactivated NC fill solenoid valve deactivated Air line inactive NC air line activation solenoid valve deactivated proportional valve closed The use of the r...

Page 33: ...e humidity is lower than the set point St by a value at least equal to the differential The maximum production can be programmed between 50 and 100 of the rated value of the humidifier To set the set point and differential for the main control probe quick set menu The minimum production has an activation hysteresis hy equal to 0 2 rH To check that the relative humidity measured by the probe is within...

Page 34: ...along the line In this way the system can supply the required pressure and automatically manage any pressure drop in the line 10 5 Drain fill Important this function requires the installation of a CAREL NO drain solenoid valve at the end of the water line available as an option For hygiene reasons when the system is not operating the water line is emptied to avoid bacterial formation inside This i...

Page 35: ...35 ENG MCmultizone 030221981 rel 2 3 09 12 2014 cabinet distribution maintenance Notes ...

Page 36: ...00000 4 0 l h C MCAC200000 5 4 l h D MCAD200000 6 8 l h E MCAE200000 10 l h 73 32 11 2 Assembly kit This is a series of components designed to make the assembly of the atomising heads on the air water lines simpler and faster it can be used for both normal water and demineralised water aggressive Only one model is available MCK1AW0000 for assembly of the heads on the lines in the room or in the du...

Page 37: ... 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 l h cabinet V Chead x n 6 86x18 123 5 Nm3 h 2058 l m referred to t...

Page 38: ...0 22 18 12 1 1 4 1 2 1 1 4 5 8 1 3 8 5 8 1 1 2 3 4 500 85 58 43 34 23 1 3 8 1 2 1 1 2 5 8 1 3 4 5 8 2 1 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 i...

Page 39: ...limit probe 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 envir...

Page 40: ...ting 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 6 The cabinet drain li...

Page 41: ...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 atomise...

Page 42: ...ng each season 9 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 ca...

Page 43: ...inet 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 Note maximum height between the cabinet and the water line is 20 m The MC modulating humidification system ...

Page 44: ...for NW normal water M C K D V W L 0 0 0 NO solenoid valve at end of line for AW aggressive water M C K D V W L 0 0 1 pressure transducer l 10 m M C K P T 0 1 0 0 0 pressure transducer l 50 m M C K P T 0 5 0 0 0 pressure transducer l 100 m M C K P T 1 0 0 0 0 air outlet pressure gauge 0 to 4 bars M C K M A 0 4 0 0 0 water outlet pressure gauge AW 0 to 2 5 bars M C K M W 0 2 5 0 1 UV lamp sanitising...

Page 45: ...0 modulating valve 3 M C K A 0 6 0 H U 0 modulating air line 60 l h UL M C K F S V B C 0 0 NC air solenoid valve 60 l h water NW 4 M C K M N F D 0 0 0 manifold 2 M C K A 2 3 0 H 0 0 modulating air line 230 l h 1 2 3 4 5 M C K M A 1 2 0 0 0 pressure gauge 0 to 12 bars 1 M C K M N F D 0 0 0 manifold 2 M C K A M V A 0 0 0 modulating valve 3 M C K A 2 3 0 H U 0 modulating air line 230 l h UL M C K F S...

Page 46: ...ntroller 60 l h ON OFF Slave UL M C K C 0 6 C 1 S 0 pre programmed pCO3 controller 230 l h ON OFF Master CE M C K C 2 3 C D M 0 pre programmed pCO3 controller 230 l h ON OFF Master UL M C K C 2 3 C 1 M 0 pre programmed pCO3 controller 230 l h ON OFF Slave CE M C K C 2 3 C D S 0 pre programmed pCO3 controller 230 l h ON OFF Slave UL M C K C 2 3 C 1 S 0 pre programmed pCO3 controller 60 l h modulati...

Page 47: ...r so the outlet pressure is 0 35 bars plus 0 1 bars for each metre of difference in height between the cabinet and distribution line C6 water pressure regulator dirty S6 remove the water pressure regulator and clean any impurities 8 water pressure reaches high values and is not controlled C1 water pressure regulator dirty S1 remove the water pressure regulator and clean any impurities 9 for duct in...

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Page 52: ...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 ...

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