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Summary of Contents for Carel MCmultizone
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Page 1: User Manual
MCmultizone atomising humidifi ers User manual 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... - Page 3 The technical specifi cations shown in the manual may be changed without prior warning. The liability of CAREL S.p.A. in relation to its products is specifi ed in the CAREL S.p.A. general contract conditions, available on the website www.
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Page 5: Table Of Contents
14.4 Manifolds for installation in ducts ............42 5.9 Main menu ......................21 15. MAIN ADJUSTMENTS 6. USER MENU 6.1 Alarm thresholds ....................22 6.2 Clock ........................22 6.3 Enable scheduler ....................22 6.4 Set scheduler .......................22 6.5 Weekly scheduler ....................22 “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... - Page 6 16. MAINTENANCE 16.1 Maintenance procedures ................44 16.2 Kits & optional accessories for the air/water 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 pCO controllers .............46 16.6 Electrical panel kit and spare parts (see paragraph 1.4) ..46...
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Page 7: Introduction And Assembly
The MCmultizone system is essentially made up of: control cabinet and water and air inlet outlet (to nozzles) compressed air-water supply, atomising nozzles, nozzle assembly kit. -
Page 8: Components
Terminal (Master version only) connection of the air and water distribution lines; Transformer (CAREL code MCKTR00000) power and control connections; Modulating valve regulator (modulating version only, CAREL code MCKARVA000) Important Important : the drain hose must be connected directly to a drain... -
Page 9: Opening The Cabinet Door
1.9 Opening the cabinet door press and turn anticlockwise using a fl at-head screwdriver (max 8 mm) until releasing the door; open the door on the cabinet by swinging to the left. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 10: Water And Air Connections
2. Install an oil fi lter (CAREL code MCFILOIL01) to remove particles of oil from the compressed air 3. Install a 5 micron air fi lter (CAREL code MCFILAIR01) upstream of the cabinet to solid particles from the compressed air. -
Page 11: Characteristics Of The Water Line
0 to 2.5 bars • an expansion 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. -
Page 12: Electrical Connections
J 1 0 max. power: 40 VA / 15 W f i el d c ard s e r ia l c a rd J 2 4 “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 13: Power Supply
& limit humidity probe come from d. ambient humidity probe & limit humidity probe e. modulating control with temperature control f. mod. control with temperature control & limit probe Limit humidity probe External controller “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 14: Control Signals From Ext. Voltage-Free Contact I.e. On/Off Humidistat (Id & Com)
+V term +(G) out T COM1 COM2 COM3 J 2 4 COM1 COM2 COM3 Contact open: MC unit off Contact closed: MC unit on ON/OFF humidistat MC cabinet ON/OFF humidistat ON/OFF COM1 shield “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 15: Control Signals From Air Line Pressure Transducer (J2)
(J2) Cable shielded AWG 15/20 compressors Control to interface MC CAREL (for the codes of the probes see chap. 16.2 with: water treatment systems “Maintenance“) -0 to 4 bars/ 4 to 20 mA (-11 to power 500 VA Transducer: Electrical specifi... -
Page 16: Alarm Inputs From External Devices
Status and operation of Output specifi cations: maximum load 1 kΩ (10 mA) the contact: wash line enabled contact closed externally COM1 COM2 COM3 COM1 COM2 COM3 External contact for activating the wash function “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 17: Master/Slave Applications
> type of control > stop slave offl ine. AHU /Room 1 AHU /Room 1 AHU /Room 2 pLAN Master Slave 1 Slave 5 up to 5 Slave units Water & Air lines AHU - Air Handling Unit “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 18: Plan Network Connection (J11)
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... -
Page 19: Starting And User Interface
(stand alone) master unit connected to a pLAN network for multiple spaces master unit connected to a pLAN network for single spaces slave unit “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 20: Info" Screens (Read-Only)
ON/OFF or Modulating Type of op.. 6 (slave) bar/psi Press. sensor dd/mm/yy 00:00 Date & time Current: Network: Info (2/2) display Humidifi er model YES/NO In production Hours production dd/mm/yy 00:00 Date & time “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 21: Main Menu
Special func. (2/3) Washing Start washing Washing period Washing duration Enable fi lling Filling duration Special func. (3/3) Select main screen display Language Show language choice at start-up? 5. Supervisor Supervisor confi g. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 22: User Menu
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 er over one day (24h): time band “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 23: Scheduled Set Points
For example, setting P4 each Monday (humidifi er off ), parameters Z1, Z2, Z3, Z4 (diff erent set point values) will not be observed, as the humidifi er is not programmed to operate on that day. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 24: Installer Menu
Show language choice at start- Limit probe Min value 0 to 100 %rH °C/ °F YES/NO confi g. Max value 0 to 100 %rH °C/ °F Off set -10 to 10 0 %rH °C/ °F “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 25: Supervisor
To modify the character in the space selected, use UP and DOWN, to confi rm the character and move to the next space press ENTER. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 26: Maintenance Menu
Alarm event description Log deleted Time hh:mm dd/mm/yy Date 8.2 System information (read only) information display Boot read only read only Bios read only Code read only Version read only Date “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 27: Table Of Alarms
“MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 28: Advanced Functions
10. ADVANCED FUNCTIONS 10.1 Wiring diagrams Wiring diagram for ON/OFF version, Master codes: MC***C*M** “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... - Page 29 Wiring diagram for ON/OFF version, Slave codes: MC***C*S** “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014...
- Page 30 Wiring diagram for modulating version, Master codes: MC***H*M** “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014...
- Page 31 Wiring diagram for modulating version, Slave codes: MC***H*S** “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014...
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Page 32: Operating Principle
°C/°F Set point 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... - Page 33 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 P. Max P. Min. Set point °C/°F “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014...
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Page 34: Pressure Control
10.5 Drain/fi ll The production of atomised water depends on the reading of the Important: this function requires the installation of a CAREL NO temperature probe, with a second humidity probe (AO3) that limits drain solenoid valve at the end of the water line, available as an production, so as to limit the humidity level in the cooled air. - Page 35 Notes: “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014...
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Page 36: General Characteristics Of The Distribution System
1/4” H43 MF column 1/4” nipple 1/4” MF 2-way valve 1/4” PVSF 2-way valve 1/4” 180° M connector B TFN nylon tube dia. 6/8 mm 1/4” FF elbow connector dia. 6/8 mm 1/4” FF hose coupling” “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 37: Designing A System
25 m 50 m system fl ow-rate l/h water water water water no. heads installed per type ID mm ID mm ID mm ID mm ID mm ID mm ID mm ID mm “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... - Page 38 The diameters shown in the tables have been selected considering the use of a pair of connectors in each line, if the number of connectors doubles choose the next largest diameter. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014...
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Page 39: Instructions For Installation In Rooms
3.35 m 4.90 m 5.4 l/h 4.6 m 0.90 m 3.65 m 5.20 m 6.8 l/h 6.1 m 1.20 m 4.00 m 6.10 m 10.0 l/h 9.4 m 1.50 m 4.60 m 7.00 m “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... - Page 40 • humidity, limit and temperature probes, air line pressure sensor (optional) • 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...
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Page 41: Instructions For Installation In Ducts
fi t the manifold outside the duct, with the ends of the nozzles spraying inside, as can be seen in Fig. 14.c. This saves around 20 cm. air flow Fig. 14.c “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 42: Important Rules To Be Followed
• With the pressure transducer, the cabinet automatically controls the pressure in the installation to the optimum value so as to compensate for any pressure drop in the line. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 43: Main Adjustments
10 l/h. If the spray is visibly diff erent 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 fl ow-rate. This operation should only be performed by authorised personnel (CAREL service centres). Air and water line... -
Page 44: Maintenance
Atomising head assembly kit Atomising head mod. A 2.7 l/h Atomising head mod. B 4.0 l/h Atomising head mod. C 5.4 l/h Atomising head mod. D 6.8 l/h Atomising head mod. E 10 l/h “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 45: Spare Parts For Air/Water Line (See Paragraph 1.4)
M C K M W 0 2 5 0 1 ON/OFF aggressive AW 0 to 2.5 bars water line 230 l/h UL M C K D S V W C 0 1 NO solenoid water valve AW 6 “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 46: Pre-Programmed Pco Controllers
230 l/h modulating Slave UL 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 pGD0 kit for setting pLAN address “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... -
Page 47: Troubleshooting
fl ow-rate of the cabinet. See points 8 and 9. CAREL reserves the right to modify the features of its products without prior notice. “MCmultizone” +030221981 - rel. 2.3 - 09.12.2014... - Page 48 Notes:...
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- Page 52 Agenzia / Agency: 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...
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