SCM SC 10 Manual
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SCM SC 10 Manual

Submersible aerators
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Te c n o l o gi e
S
A
UBMERSIBLE
ERATORS
Wastewater Treatment Aeration & Mixing

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Summary of Contents for SCM SC 10

  • Page 1 Te c n o l o gi e UBMERSIBLE ERATORS Wastewater Treatment Aeration & Mixing...
  • Page 2 INDEX General information Page 03 Use of symbols General conditions Example of data plate Operating instructions Safety Description of the product and use Technical, characteristics, function and use Marginal notes to take into consideration Handling and storage Installation Preliminary inspections Electrical connections Directions of use and maintenance Start...
  • Page 3 SUBMERGED RADIAL AERATOR SC and SC/L TYPES The picture is illustrative and not binding for S.C.M. Tecnologie User’s manual...

  • Page 4: General Information

    1. GENERAL INFORMATION 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.
  • Page 5 1.3 EXEMPLIFICATION OF DATA PLATE Type of equipment and serial number Date Type of equipment Nominal mains voltage Maximum absorbed current Type of connection Maximum power absorption Frequency Rotation speed Class of motor protection The manufacturer reserves his right to modify the technical characteristics without previous notice.
  • Page 6 1.4 OPERATING INSTRUCTIONS Become thoroughly familiar with the instructions in the documents consigned with the aerator. This will enable you to work in complete safety and to obtain the best performance the aerator is capable to offer. The following instructions apply to the standard version of the aerator in normal conditions. Special versions, shown by the product code, may not fully comply with the indications herein (when necessary, the manual will be supplied with additional information).
  • Page 7 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. For safety reasons and to ensure compliance with the warranty conditions, the purchaser is forbidden to use the aerator should this become faulty or in the event of a sudden variation in the performances of the aerator itself.
  • Page 8 The SC submerged aerator evidently provides an elevated performance in the transfer of oxygen and increased mixing ability. In addition, working as it does on the bottom of the tank, it permits a total airing of the waste water avoiding dead zones which are characteristic of other systems.

  • Page 9: Storage And Handling

    4. STORAGE AND HANDLING Store the product in a dry and dust-free place. Avoid instability which could be caused by improper positioning of the product. Turn the rotating parts at regular intervals to prevent them from possible jamming (consult the “Preliminary inspections” chapter for relative procedure).
  • Page 10 • If the cable must be extended do as follows: - handle the joint carefully and avoid submerging it; - do not extend the cable more than the necessary length choosing a suitable dimension of the cable. A voltage drop may occur if the cable is too long or if the dimension is too small, so as to give you problems to start the motor.

  • Page 11: Electrical Connections

    ATTENTION: The rotation sense can be checked visually. You must keep 1 metre distance from the aerator, wear suitable clothes and never touch the machine. (picture 4) 5.2 ELECTRICAL CONNECTIONS (SEE PICTURE ON PAGES 17/18/19/20). Do not never ever open the motor of the aerator. Call qualified staff if necessary.

  • Page 12: Use And Maintenance

    Star/delta start: adjust the thermal relay to a current-carrying capacity equivalent at the latest to 0,58 times the nominal absorption indicated on the rating plate. If the motor protector goes off while the aerator is working, check the fuses before trying to start it again.

  • Page 13: Maintenance

    6.3 MAINTENANCE Routine maintenance and repairs must be carried out by specialized technicians in possession of adequate qualifications and equipped with the right tools. These technicians must have become fully familiar with the contents of this manual and with any other documentation supplied with the product.
  • Page 14 AGIP ITE 360 or equivalent. Quantity of oil contained into the motors of the SC-SC/L aerators and submersible mixers. Aerator model Q. Litres SC 10 SC 10/L G408T 0,33 SC 10 SC 10/L G409T 0,33...

  • Page 15: Warranty

    Checking the impeller and the suction plug If the air volume decreases: a - Check that the impeller or the suction plug are not clogged and remove possible clogging materials. b - Replace the impeller and/or the suction plug and/or the bushing seal of the impeller. In case they would be damaged, consult S.C.M.
  • Page 16 9. CAUSES OF IRREGULAR FUNCTION - TROUBLESHOOTERS Faults Possible causes Remedies 1. The submersible 1.1 The selector switch is set to the 1.1 Turn to the ON position. aerator fails to start OFF position. 1.2 Check that the electrical 1.2 The motor is not powered. equipment is in a good condition.
  • Page 17 CAUSES OF IRREGULAR FUNCTION - TROUBLESHOOTERS Faults Possible causes Remedies 2. The overload relay or 2.10 Damaged motor windings 2.10 Check according to the internal thermal- owing to the presence of liquid. procedure described in the amperometric “Maintenance” chapter. protection (single- If necessary, send the aerator to phase version only) has an authorized after –sales service...
  • Page 18 Electrical connection diagram Direct connection 380V for motor type FXXX To be connected to the water-probe only if the aerator is equipped with specific control panel. 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...
  • Page 19 380/660V star/delta connection for motor type FXXX 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 Electrical connection diagram Direct connection for motor type FXXX To be connected to the water-probe only if the aerator is equipped with specific control panel. 7 LEAD ELECTRIC AERATOR CABLE U - V - W - = mains T - T = Thermal probe S = Optional humidity probe...

  • Page 21: Direct Connection

    Electrical connections diagram for motor type FXXX CABLES IDENTIFICATION CABLE - N°1 CABLE - N°2 CABLE - N°3 4G2.5 BLACK BLACK BLACK BLUE BLUE BLACK BROWN BROWN BLACK BLACK (L)* BLACK (N)* YELLOW/GREEN YELLOW/GREEN YELLOW/GREEN (*) where available. DIRECT CONNECTION U - X MAINS - 400V V - Y...
  • Page 22 Electrical connections diagrams for motor type SICXXX - Kw 4,0 ÷ Kw 11,0 1 2 3 4 5 6 7 8 9 GV 1 2 3 4 5 6 7 8 9 GV T T L T T L L1 L2 L3 L1 L2 L3 DELTA CONNECTION START CONNECTION...
  • Page 23 Electrical connections diagrams for motor type SICXXX - Kw 15,0 ÷ Kw 55,0 L1 L2 L3 L1 L2 L3 DELTA CONNECTION START CONNECTION...
  • Page 24 Installation scheme Picture 1 Eyebolt of mount of the lifting 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.
  • Page 25 Handling Picture 2 To lift and handle the machine use the suitable eyebolts and hook it with suitable ropes or chains 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.
  • Page 26 Overall Dimensions Type DN/ø Weight SC 10 50/60,3 SC 30 80/88,9 SC 55 80/88,9 SC 75 80/88,9 SC 100 100/114,3 SC 120 1050 1205 100/114,3 SC 180 1060 1050 1205 100/114,3 SC 220 1075 1171 1331 125/139,7 SC 300 1075...
  • Page 27 Overall Dimensions SC/L * Extended channels of different dimensions are available upon request. SC/L Type DN/ø Weight ø mm SC 10/L 50/60,3 SC 30/L 1460 80/88,9 SC 55/L 1460 80/88,9 SC 75/L 2245 80/88,9 SC 100/L 2245 100/114,3 SC 120/L...
  • Page 28 Handling Picture 4 Rotation direction of the impeller seen from the top. FASTENING MOMENT OF THE BOLTS Type With oil Ib-ft Ib-ft...
  • Page 29 Main components Picture 5 Silencer (optional) Radial submerged aerator Intake pipe (optional)
  • Page 30 TEST CERTIFICATE The firm S.C.M. TECNOLOGIE sas. attests that the radial submerged aerator type SC ..of Kw ..n....has been carried out in conformity with its Patent n. 01246905 and that the employed materials are: Fusion housing Cast iron Shaft Inox ISI 420...

  • Page 31: Maintenance Record

    MAINTENANCE RECORD Date Work performed Remarks...
  • Page 32 MAINTENANCE RECORD Date Work performed Remarks...
  • Page 34 Tec n o l o g i e 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...

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