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19

Electrical connection diagram

Direct connection

for motor type FXXX

U - V - W - = mains
T - T = Thermal probe
S = Optional humidity probe

7 LEAD ELECTRIC
AERATOR CABLE

To be connected to the water-probe
only if the aerator is equipped with
specific control panel.

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Summary of Contents for SC 10

Page 1: ...Tecnologie S C M SUBMERSIBLE AERATORS Wastewater Treatment Aeration Mixing ...

Page 2: ... and use 06 3 2 Marginal notes to take into consideration 07 4 Handling and storage 08 5 Installation 08 5 1 Preliminary inspections 08 5 2 Electrical connections 10 6 Directions of use and maintenance 11 6 1 Start 11 6 2 Running and inspections 11 6 3 Maintenance 12 6 4 Out of use Inactivity 14 7 To take out of use and dismount 14 8 Warranty 14 9 Causes of irregular function troubleshooters 15 16...

Page 3: ...2 SUBMERGED RADIAL AERATOR TYPES SC and SC L The picture is illustrative and not binding for S C M Tecnologie User s manual ...

Page 4: ...d from the manufacturer 1 1 USE OF SYMBOLS The instructions in this manual concerning safety are marked by this symbol Your disrespect and failure to follow these instructions might expose staff to health risks Furthermore the instructions in this manual concerning electrical hazards are marked by this symbol Your disrespect and failure to follow these instructions might expose staff to risks of e...

Page 5: ... of equipment D Nominal mains voltage E Maximum absorbed current F Type of connection G Maximum power absorption H Frequency I Rotation speed L Class of motor protection The manufacturer reserves his right to modify the technical characteristics without previous notice A C D H G I L E B F ...

Page 6: ...f guarantee while the manufacturer shall not be held responsible for any damages of any kind to persons animals or property 2 SAFETY Before proceeding with any form of operation on the product always make sure that the electrical parts of the system that you work on are not connected to electrical power The submerged radial aerator described in this manual is for industrial use for building sites ...

Page 7: ...ates a void in the compartment of the same thus allowing aspiration of air from a special aspiration chamber The air and liquid are mixed with a great strength in the expulsion channels from where the expelled jet causes a remarkable mixing of the liquid Since the nature of the aerated liquids varies it may be necessary to wear appropriate clothing to protect your skin from contact with the same F...

Page 8: ...ed aerator and avoids using any expensive gangways or emptying of the tank see picture 5 page 28 When the product is installed according to the instructions given in this manual and in compliance with the diagrams the acoustic pressure level caused by the machine within the given field of operation will never exceed 70 dB A Noise measurement was conducted in compliance with ISO 3746 and according ...

Page 9: ...fting means in compliance with the safety provisions in merit gripping the product by the relative lifting points handles eyebolts SEE PICTURE 2 PAGE 24 Do not ever use the powering and grounding cables for handling purposes Do not bend the cables sharply the minimum radius of the bend must be more than 5 times the diameter of the cable itself The extreme ends of the cables must never be immersed ...

Page 10: ...rder to avoid the stagnation of the liquid to be aerated into the basins After a period of inactivity check that the aerator contains the right quantity of oil When it is not the first installation also check that there are no impurities and or water consult the Maintenance chapter Before connecting the aerator to the electrical power verify by hand that the impeller has free rotation ATTENTION Do...

Page 11: ...the aerator As the motor of aerator is submerged it must necessarily be connected to the grounding circuit The grounding conductors are yellow green All yellow green conductors must be connected to the grounding circuit of the system before the other conductors are connected The grounding conductors must be the last to be removed if the motor is disconnected The extreme ends of the cables must not...

Page 12: ...SE AND MAINTENANCE 6 1 START If the starting unit is unable to start do not insist repetedly as this could only damage the component Identify the malfunction and repair the damage If an indirect starting system is used the starting transaction must be brief never more than a few seconds 6 2 RUNNING AND INSPECTIONS ATTENTION Once installed the SC aerator will not require particular maintenance Howe...

Page 13: ...hese technicians must have become fully familiar with the contents of this manual and with any other documentation supplied with the product After having dismantled the aerator for the repair please apply to the fastening moments of the bolts on page 27 for a correct assembling Extraordinary maintenance must only be carried out by authorized workshops Put the aerator on its supports and remove the...

Page 14: ...or Lubrication The bearings installed on the aerators are RS or 2Z self lubricating for life therefore they do not need to be periodically lubricated It is advisable to check their state of wear and tear These operation must be carried out by specialized staff by an authorized workshop or at S C M Tecnologie Unscrew the oil plug put the oil in a clean container and check it Fill in the oil tank wi...

Page 15: ... of all products manufactured by S C M Tecnologie are also valid for the submerged aerator in question In particular remember that one of the essential conditions for recognition of the warranty is that you strictly follow all the individual instructions given in the enclosed documentation Another fundamental condition to ensure regular operation of the aerator is that you must have the best hydra...

Page 16: ...he equipment is receiving power 1 3 Wait until the correct operative conditions have been restored or check the efficiency of the automatic devices 2 1 Check that the electrical equipment is in a good condition Check the power supply voltage rating 2 2 Check the unbalance as described in the Electrical connections and information chapter If necessary send the aerator to an authorized after sales s...

Page 17: ...the wrong direction 4 2 Worn aerator 4 3 Delivery duct or valve partially clogged 5 1 Plant installed incorrectly 5 2 Hydraulics excessively worn 5 3 Liquid contains an excessive amount of solids 2 10 Check according to the procedure described in the Maintenance chapter If necessary send the aerator to an authorized after sales service centre 3 1 See 1 3 4 1 Invert two of the three phases 4 2 Insp...

Page 18: ...10 LEAD ELECTRIC AERATOR CABLE X U 400V MAINS Y V 400V MAINS Z W 400V MAINS T T Thermal probes to be connected in series to the coil of the standard testing meter S Humidity electrode To be connected to the water probe only if the aerator is equipped with specific control panel ...

Page 19: ...X 10 LEAD ELECTRIC AERATOR CABLE X Y Z 400V mains to be connected with star delta starter U V W 400V mains to be connected with star delta starter T T Thermal probes to be connected in series to the coil of the standard testing meter S Humidity electrode ...

Page 20: ...diagram Direct connection for motor type FXXX U V W mains T T Thermal probe S Optional humidity probe 7 LEAD ELECTRIC AERATOR CABLE To be connected to the water probe only if the aerator is equipped with specific control panel ...

Page 21: ...LLOW GREEN YELLOW GREEN DIRECT CONNECTION U X MAINS 400V V Y MAINS 400V W Z MAINS 400V T T Stator thermal protections to be connected in series to the contactor coil S Water probe into oil chamber to be connected to the probe terminal only if the pump is equipped with a specific control panel L N Circular 230V single phase feeding to be connected only if the pump is equipped with a cooling jacket ...

Page 22: ...or type SICXXX Kw 4 0 Kw 11 0 1 2 3 4 5 6 7 8 9 GV U1 V1 W1 U2 V2 W2 T T L 1 2 3 4 5 6 7 8 9 GV U1 V1 W1 U2 V2 W2 T T L Thermal switch Oil sensor device L1 L2 L3 DELTA CONNECTION Thermal switch Oil sensor device L1 L2 L3 START CONNECTION 21 ...

Page 23: ...Electrical connections diagrams for motor type SICXXX Kw 15 0 Kw 55 0 DELTA CONNECTION START CONNECTION L1 L2 L3 U1 V1 W1 U2 V2 W2 L1 L2 L3 U1 V1 W1 U2 V2 W2 22 ...

Page 24: ...ting chain to be fixed to the edges of the basin to make easy the following extraction Hook the electric cable without stretching it too much to the suction pipe Simply lay the aerator on the bottom of the basin Installation basin Air inspiration pipe 1 2 3 5 4 ...

Page 25: ...ins according to the weigh of the machine Consult the weights and dimension table on page 25 26 To handle the machine with lift trucks make sure not to lay the machine on the suction chamber causing the damage of the same Always lay the aerator on a firm floor consult the weights and dimensions table page 25 26 1 2 3 ...

Page 26: ...7 125 139 7 150 168 3 150 168 3 200 219 1 E F G H mm 140 200 200 250 250 250 250 264 264 264 264 264 mm 430 725 725 802 802 1050 1050 1171 1171 1192 1222 1222 mm 235 336 336 330 330 330 330 355 355 355 355 355 mm 390 460 460 645 645 850 850 960 960 960 990 990 mm 795 795 965 965 1205 1205 1331 1331 1331 1331 1331 mm 230 398 398 402 402 525 525 590 590 595 625 625 mm 35 94 94 100 100 79 79 86 86 80...

Page 27: ...770 mm 195 336 336 330 330 330 330 355 355 355 355 355 mm 630 800 890 890 985 985 1060 1075 1075 1290 1300 1300 50 60 3 80 88 9 80 88 9 80 88 9 100 114 3 100 114 3 100 114 3 125 139 7 125 139 7 150 168 3 150 168 3 200 219 1 Weight Kg 60 144 176 208 243 258 335 398 458 678 790 887 ø mm 750 1460 1460 2245 2245 2450 2450 2860 2860 2860 2950 2950 Extended channels of different dimensions are available...

Page 28: ...op Handling Picture 4 M6 M8 M10 M12 M14 M16 M18 M20 M22 N m 13 32 63 110 175 275 375 530 725 Ib ft 9 5 24 47 80 130 200 275 400 540 N m 17 40 80 140 225 350 475 675 825 FASTENING MOMENT OF THE BOLTS Type With oil Dry Ib ft 12 30 60 105 165 225 350 500 675 ...

Page 29: ...28 Main components Picture 5 Radial submerged aerator Silencer optional Intake pipe optional ...

Page 30: ...eal Double external side carbide Motor side aluminium graphite Impeller Stainless steel AISI 316 Diffuser Stainless steel AISI 304 Channels Stainless steel AISI 304 Suction chamber Stainless steel AISI 304 Axle box Teflon Bronze Bolts Stainless steel AISI 304 Moreover the firm S C M TECNOLOGIE sas attests that the submerged aerator type SC of Kw n has been electrically and hydraulically tested and...

Page 31: ...30 MAINTENANCE RECORD Date Work performed Remarks ...

Page 32: ...31 MAINTENANCE RECORD Date Work performed Remarks ...

Page 33: ......

Page 34: ...S C M TECNOLOGIE 46100 Mantova Via Accademia 15 Tel 39 0376 321936 Fax 39 0376 364472 www scmtec com e mail info scmtec com Tecnologie S C M ...

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