Ductable units - EUROCONFORT

1 MAJOR 2 NCHD uctable units1 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BMAJOR 2 NCHis a non independent air conditioning terminalunit for heating and cooling offices and reduced dimensions and designed to ease maintenanceinterventions, the MAJOR 2 NCHadapts to all types 2 NCHprovides the user with thermalcomfort thanks to a high performance compact coil andensures a particulary low acoustic 2 NCHis available in 4 models:- NCH Imodel, rectangular discharge- NCH Ymodel, circular discharge- NCH H model, discharge and circular air recovery(with air recovery plenum)- NCH U model, discharge and lateral air recovery(with air recovery plenum)* see terminal units controlsMAJOR 2 horizontal non-cased model (NCH), is a compromise between the Coadis Slim and the UTA Compact in terms ofcapacity and unit has a sound-proofed expansion box on the outlet, and can cover static pressure up to 90 Pa meeting the requirementsof all air diffusion systems up to 90 Pa.

2 It can also be equipped with lateral circular range includes 6 sizescovering refrigerant capacityranges from to 8 2has 7 operating speeds, three of which are pre-wired in factory. In the standard version, the fan motorassembly speeds and auxiliary electrical elements (2-pipe + 2-wire version) are available on a terminal block without controlunit. MAJOR 2 is easy to use, and can be fitted with optionalfactory fitted and tested CIAT electronic regulation systems forimproved comfort and expenditure control:- MAJOR 2 with V30 electronic MAJOR 2 with V200 electronic MAJOR 2 with V2000 electronic MAJOR 2 with V3000 electronic this configuration, simply connect the water and electricityand immediately feel the benefits of the MAJOR takes part in the EUROVENT fan coil unit certification programme.

3 See performances in Eurovent mode, on last page of the list of products and certified characteristics is given in the EUROVENT directory and on the web site pressure and high capacityductable unitsNCH I NCH YCOADIS COMBI+NCH UMotor optionalAIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BMAJOR 2 NCH2 Ductable unitsTECHNICAL DESCRIPTIONC asingGalvanized sheet metalInsulation in melamine resin, open cells flexible foam, withaluminium film, M1, 10 mm hole for treated fresh air expansion boxintegrated in the unitBottom inspection panels for access and dismantling of theunit s main : one or more 200 mm circular spigots in auto-extinguishable polymer Model: rectangular sleeve panel with fixation oblong coil (2 or 4-pipe system)New concept of high performance compact coil, with newgeometry sheet tubes, continuous fins in aluminiumHydraulic connectors of coils piping with 40 mm between on the left or right sides of the unit , when facingthe vents and drains integrated in the pressure: 16 bar (at 20 C).

4 Test pressure 24 water temperature: 110 C (PN 10).Electrical battery (2-pipe system +electric)230/1/50 monotubes electrical elements inserted in thealuminium capillary type temperature limiters, manual and automaticreset, inserted in the aluminium blockCondensates recovery drain panPolymer material drain panWithout water retention,condensates drain at the same levelas the drain pan bottom, connectors manually reversible towards the frontor the drainage diameters: 15, 16, 22 or 28 mm in motor assembly Motor7 speeds, 3 are pre-wired in factory(possibility of modifyingthis wiring on site).Enclosed type, tropicalised, with protected shaft and thermal protector with standard thermal cut-out on the supply 230/1 electrical consumption. Fan(s)Galvanized sheet metal dual-inlet impeller(s) with forward-curved blades.

5 V0 fire filterPositioned on the fan coil filtering media in polyester fibers, Class EN 779: resistance: boxEnclosed box on the hydraulic connections side (NCH).Electrical connection terminal box on DIN railing as per EN50022- mm stops for customer's : Refer to installation brochures for futher diam. 200mm discharge sleeve (NCH Y).Intake sleeve for connection to a rectangular plenum with diam. 200 mm intake inlet(s) for ducting(Happlication).Diam. 100 mm smooth sleeve for treated fresh air 100 mm smooth sleeve with self-adjustable module fortreated fresh air mounts for draining DEVICESR ange of wall-mounted electromechanical thermostatsV30 and V200 electronic and V3000 communicating electronic rangeLON control, consult (CONSULT US)- Additional spigots (NCH Y).- Other spigot diameters (NCH Y).

6 - 60 Hz operation (230V).- High Energy Efficiency (HEE) 2 NCHD uctable units3 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BDIMENSIONS OF NCH MODEL(RECTANGULAR DISCHARGE)Hydraulic connectionsNOTE:for satisfactory operation a distance of > 250 mmat the unit intake must be respectedMAJOR 2 NCH model IAEAFAGAHAIM asskgDimensional drawing426 N765505535400400 267065443428 N96570573560060030430 N116590593580080040432 N1365110511351000100046434 / 435 N1565130513351200120054 DETAIL AReversible connectorsCondensate drain 15-16-22 and 28 mmDouble deflection rectangulardischarge grille, 426 N, 428 Nand 430 N (others sizes, consult us)Corresponds tothe reservationdimensions in the wallCondensate drainAir filter disassembled from rearRemovable panels for access from below to fan motor unit and coilOblong slots 12,7 x 25 Between axis=725 Pre-stamped hole for freshair (accessory module)Sound-proof expansion box (ready to be placed against a wallwith foam seal accessory for fitting under a structural beam)

7 Electrical connection boxCondensatesrecovery panBetween axis = AGDouble sleeve A-BAcold water coilBhot water coil( 2-pipe system)(4-pipe system)Sleeve OD 150 x AI150 x AHAIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BMAJOR 2 NCH4 Ductable unitsDIMENSIONS OF NCH MODEL(CIRCULAR DISCHARGE)Hydraulic connectionsMAJOR 2 NCH model YAIAJAKM asskgDimensional drawing426 N765505535265976176428 N96570573530430 N116590593540432 N13651105113546434 / 435 N15651305133554 DETAIL AReversible connectorsCondensate drain 15-16-22 and 28 mmX = number of spigotsRemovable panels for access from below to fanmotor unit and coilMax air flow rate advised per 200 outlet: 400 m3/h* See user's brochure foraeraulic balanceCondensates drain2-pre-stampedholes, 200 mmAir filter disassembled from rearOblong slots x 25 Between axis = 725 Pre-stamped hole for conditioned freshair (accessory module)Sound-proofexpansion box Electrical connection boxCondensatesrecovery panBetween axis = AKPLENUM TYPES 200 mm spigot(s)NOTE.

8 For satisfactory operation a distance of > 250 mm at the unit intake must be respectedDouble sleeve A-BAcold water coilBhot water coil( 2-pipe system)(4-pipe system)NCH 426 NNCH 428 NNCH 430 NNCH 432 NNCH 434 / 435 NMAJOR 2 NCHD uctable units5 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BDIMENSIONS OFNCH ACCESSORIES FORIANDYMODELSR ecovery sleeve, smooth sheetmetal, rectangular, without insulationRecovery plenum, smooth sheet metal, 200 mm for Happlication, with filterRecovery plenum, smooth sheetmetal 200 for Happlication, withoutfilterNote: In the case of a plenum without filter, the installer shouldallow for his own filter on the recovery air flow rate recommended per 200 outlet: 500 m3/hMAJOR 2 NCHAFX(Number of spigots)426 N4501428 N6502430 N8502432 N10503434 / 435 N12504 200 x XAir filter lodgingto be dismantled underneath the unitAir intake section 200 x AFAir filter lodgingto be dismantled underneath the unit 200 spigot samenumber as air outlets(1 to 4) 200 spigot samenumber as air outlets (1 to 4)

9 Conditioned fresh air knockoutConditionedfresh airknockoutAIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BMAJOR 2 NCH6 Ductable units2411012 Hydraulic connectionsMAJOR 2 NCH U modelALAMANM asskgDimensional drawing426 N*780505535287106685428 N*98070573533 DIMENSIONS OFNCH U MODELS pigots 200 DETAIL AReversible connectorsCondensate drain 15-16-22 and 28 mmRemovable panels for access from below to fanmotor unit and coilCondensates drainAir filter disassembled from rearOblong slots x 25 Between axis = 725 Pre-stamped holefor fresh air(accessory module)Electrical connection boxCondensatesrecovery panBetween axis = ANDouble sleeve A-BAcold water coilBhot water coil( 2 pipe system)(4 pipe system)Spigots 200 Pre-stamped holefor conditioned fresh air 100 or 125 mm* Both sizes are available with an HEE motorPre-stamped holefor conditioned fresh air(accessory module)MAJOR 2 NCHD uctable units7 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA BTECHNICAL CHARACTERISTICSP iping diameter at fan coil outlets (tapped connectors)The diameters of the female tapped fittings on coil connection pipes are standardised (see above drawing dimension T) MAJOR 2426 N428 N430 N432 N434 N435 N2- pipe sytem Heating or coolingcoil3/8 "3/8 "3/8 "3/8 "1/2"1/2 "4- pipe sytem Cooling coil3/8 "3/8 "3/8 "3/8 "1/2 "1/2 "Heating coil3/8 "3/8 "3/8 "3/8 "3/8 "3/8 "Diameters of valve outlets (threaded connectors)The diameters of the valves male threaded connections are standardised (see above drawing dimension T2)

10 MAJOR 2426 N428 N430 N432 N434 N435 N2- pipe sytem Heating or coolingcoil0,530,760,991,321,581,584- pipe sytemCooling coil0,530,760,991,321,581,58 Heating coil0,130,130,250,200,240,24 Motor electrical characteristics (230/1/50)MAJOR 2426 N428 N430 N432 N434 N435 N2- pipe sytem Heating or coolingcoil1/2 "1/2 "1/2 "1/2 "3/4"3/4"4- pipe sytemCooling coil1/2 "1/2 "1/2 "1/2 "3/4"3/4"Heating coil1/2 "1/2 "1/2 "1/2 "1/2 "1/2 "* Sizes 426 SP N, 428 SP N, 432 SP N characteristics are identical to those of size 434 NFor units fitted with customer s control valves, an intermediate two-part male/female connector is needed between the coilconnector and the valve(s). This connector is available as an accessory (1, 2 or 4 connectors are required depending on theconfiguration (2 or 4-pipe) and the valve type (2-way or 4-way) - consult us).