Related Manuals for Grundfos SMD Series
Summary of Contents for Grundfos SMD Series
- Page 1 GRUNDFOS INSTRUCTIONS SMD, SMG, SFG mixers and flowmakers 60 Hz, North America Installation and operating instructions...
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Page 2: Table Of Contents
English (US) Installation and operating instructions Original installation and operating instructions These installation and operating instructions describe Grundfos Read this document before installing the product. SMD, SMG, SFG mixers and flowmakers. Installation and operation must comply with local regulations and accepted codes of good practice. -
Page 3: Limited Warranty
This booklet includes instructions for installation, operation and seller is warranted to be free from defects in material and maintenance of Grundfos SMD and SMG mixers as well as SFG workmanship under normal use and service for a minimum of... -
Page 4: Safety Instructions
Make sure that the Only Grundfos or service workshops approved by Grundfos are power supply cannot accidentally be switched on. allowed to dismantle mixers. This also applies to the cable entry. -
Page 5: Receiving The Product
3.4 Receiving the product 3.7 Servicing the product Before starting work on the mixer or flowmaker, Make sure that the mixer or flowmaker cannot roll or – make sure that the fuses have been removed or fall over. the main switch has been switched off –... -
Page 6: Receiving The Product
Do not install a damaged mixer or flowmaker. If the mixer, flowmaker or any accessories have been damaged, contact your local Grundfos company before installing the product. Do not unpack a damaged new component for further inspection, unless instructed by your local Grundfos company. -
Page 7: Torques
5.1 Torques All nuts and bolts used for the installation must be made of stainless steel. Use grease, alu-paste, together with a spring washer or locking nut. Otherwise, use Loctite or a similar product for lubrication and locking. Tighten all nuts and bolts to the following torques: Bolts Size ASTM F593 (V/W) -
Page 8: Installing A Mixer
5.3 Installing a mixer You can mount the mixer in different ways depending on the accessories: • fixation bracket and tube for suspended mounting. See fig. • fixation bracket for wall mounting. See fig. • fixation base for floor mounting. See fig. •... - Page 9 Procedure 11. If you use an intermediate fixation bracket (19), fit it to the turnable part welded on to the column profile in step 6. Drill See fig. 6. holes in the tank wall, fit bolts in the bracket and tighten the Torques appear from section Torques.
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Page 10: Installing A Flowmaker
5.4 Installing a flowmaker 18. Position the crane in the foot, and mount the lifting wire in the drum of the winch. Always leave at least three turns of wire on the drum. Otherwise the wire may break loose from the drum fixation. - Page 11 5.4.1 Mounting the propeller blades of SFG.xx.71 - 91 5.4.2 Mounting the propeller blades of SFG.xx.102 Fig. 13 SFG.xx.102 1. Drive the key (1) into the keyway for correct positioning of the Fig. 12 SFG.xx.71 - 91 blades. 2. Apply a little oil to the blade shaft and the hole in the hub. The fixation of the propeller blades is ensured by the 3.
- Page 12 2. SFG.xx.102: 3. SFG.xx.71 and SFG.xx.91: Place the depth blocker (3), the back support leg (3b) and the Place the depth blocker (3), the back support leg (3b) and the front support legs (3a) in the right position, and weld them on front support legs (3a and 3c) in the right position, and weld the column profile (2).
- Page 13 4. SFG.xx.51: 11. Drill the holes for the anchor bolts for the bottom fixation Place the depth blocker (3) and the front support legs (3a and plates in the bottom of the tank, and insert the bolts. See fig. 3c) in the right position, and weld them to the column profile (2) in a workshop.
- Page 14 18. Fix the power cable to the lifting wire by means of a cable 22. Mount the cable sock (18, fig. 23) to the top fixation bracket clamp approx. 2.6 ft (0.8 m) above the flowmaker. This will using the shackle, and pull the power cable through it, to the prevent the cable from falling down and becoming entangled desired position.
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Page 15: Electrical Connection
6. Electrical connection 6.1 Motor protection Mixers and flowmakers are provided with the following types of Electrical connection must be carried out by a qualified electrician motor protection: in accordance with local regulations. • Standard mixers incorporate three bimetallic PTO thermal Observe all national and local regulations relating to safety and switches. -
Page 16: Gearbox Or Shaft Seal Housing Protection
6.2 Gearbox or shaft seal housing protection Moisture switch A moisture switch is built into each SMD mixer. The moisture The gearbox or shaft seal housing is monitored for the ingress of switch monitors the motor housing and is located in the non-drive water by means of a leakage sensor incorporated in the gearbox end of the motor housing. -
Page 17: Wiring Diagrams For Smg And Sfg
6.4 Wiring diagrams for SMG and SFG Three-phase motors For starting method 1H, wire the motor using the delta connection and for starting method 0H, wire the motor using the star connection. Connection methods are shown in fig. 24. See also section 9.2.2 Nameplate, fig. -
Page 18: Wiring Diagrams For Smd
6.5 Wiring diagrams for SMD Marking Switch and sensor Connection Maximum load Moisture switch Leakage sensor Wire 4 / (7*) Wire 6 / (9*) Thermal switch Relay (LS) 2.5 A (250 V) 2.5 V Thermistor 2.5 A (250 V) 2.5 V Thermistor 12 V - 11 mA * 10-wire cables... -
Page 19: Direction Of Rotation
6.6 Direction of rotation 6.8 Frequency converter operation When you have carried out the electrical connections, check that All mixers and flowmakers are designed for frequency converter the propeller is rotating in the correct direction. When viewed operation for energy saving and for soft start. For frequency from the motor, the propeller must rotate clockwise. -
Page 20: Starting Up The Product
8. Handling and storing the product 6.8.3 Consequences When operating the product via a frequency converter, please be 8.1 Transporting the product aware of these possible consequences: The individual components of the mixer or flowmaker must be • The locked-rotor torque will be lower. How much lower will packed carefully to prevent any damage to the surface protection depend on the frequency converter type. -
Page 21: Product Introduction
The flowmakers are fitted with motors of 1 to 11 hp (0.7 to 8.0 Depth blocker kW). Motor bracket Motor housing Gearbox Clamping ring Propeller 9.1 Applications Grundfos mixers and flowmakers are designed for mixing applications within these areas: • municipal and industrial wastewater treatment • industrial processes • sludge treatment •... -
Page 22: Identification
9.1.2 Flowmakers Flowmakers are suitable for activated sludge with a typical dry solids content of 0.5 to 1.0 % and for other liquids with a dry solids content of maximum 1.5 %. 9.2 Identification 9.2.1 Type key Code Example G. 75. 264. - Page 23 9.2.2 Nameplate 9.2.3 FM warning plate with restrictions You can identify all mixers and flowmakers by means of the nameplate on the motor housing. The details on the nameplate Caution: For cord replacement, see instruction are required for ordering of spare parts. manual.
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Page 24: Approvals (Cfmus)
The product will be classified as contaminated if it has been used for a liquid which is injurious to health or toxic. If you request Grundfos to service the product, contact Grundfos with details about the liquid before returning the product for service. -
Page 25: Service Chart
Otherwise cooling is affected. The maintenance-free. They must be motor motor housing must only be replaced if they get noisy. dismantled by Grundfos. Check the power cable twice a year for surface damage, strain, kinks, Power cable etc. If damaged, the cable must be replaced by Grundfos. -
Page 26: Oil
10.4 Oil 10.4.1 Oil quality, gearbox or shaft seal housing The gear oil designation for mixers, SMD and SMG, is according to ISO VG 68. The gear oil designation for flowmakers, SFG, is according to ISO VG 220. 10.4.2 Oil quantity SMD, SMG and SFG models do not have oil in the motor compartment. -
Page 27: Fault Finding The Product
Clean the propeller blades, and check manually that the propeller can rotate freely. e) The stator windings are faulty. Contact Grundfos. The motor has cut out because of overheating. Wait until the motor has cooled, and try to restart the mixer or flowmaker. - Page 28 The propeller is not free to rotate. Clean the propeller blades, and check manually that the propeller can rotate freely. e) The stator windings are faulty. Contact Grundfos. The mixer or flowmaker runs on two phases. • Check the electrical connections. • Replace faulty fuses.
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Page 29: Technical Data
Drive-end bearings Two tapered roller bearings 1. Use the public or private waste collection service. Cast iron, ASTM48 class 35b Material, gear casing 2. If this is not possible, contact the nearest Grundfos company (EN-GJL-250) or service workshop. Subject to alterations. - Page 30 Appendix DIMENSIONS AND WEIGHTS Rated power Net weight* Type [hp (kW)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] SMD.13.7.1775.T. 1.3 (1.0) 7.09 (180) SMD.17.8.1765.T 1.7 (1.3) 17.3 (440) 7.09 (180) 7.68 (195) 7.09 (180) 8.27 (210) 79(36) SMD.23.10.1750.T.
- Page 31 Rated power Net weight* Type [hp (kW)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] SMG.12.22.276. 1.2 (0.9) 30.7 (780) 7.87 (200) 12.6 (320) 16.1 (410) 21.7 (550) 174 (79) SMG.16.25.275. 1.6 (1.2) 31.1 (790) 7.87 (200) 12.6 (320) 16.1 (410) 24.8 (630)
- Page 32 SFG.xx.51-91.xx SFG.xx.51.xx SFG.10-39.71.xx SFG.47.71 SFG.55.71 SFG.34-55.91 SFG.10-30.91 Rated Propeller Net weight Type power version [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] [hp (kW)] SFG.10.51.50. 1.0 (0.7) SFG.14.51.57. 1.4 (1.0) 249 (113) SFG.19.51.64. 1.9 (1.4) SFG.23.51.68. 2.3 (1.7) 35.4 (900) 7.87 (200)
- Page 33 SFG.xx.102.xx 2-blade version 3-blade version Rated Weight incl. motor Propeller Type power bracket and 10 m cable version [in (mm)] [in (mm)] [in (mm]) [in (mm)] [in (mm)] [hp (kW)] [lb (kg)] SFG.30.102.29. 3.0 (2.2) SFG.43.102.34. 4.3 (3.2) 102.4 2-blade 25.6 (650) 794 (360) (2600)
- Page 34 Appendix DIMENSIONS ET POIDS Puissance Poids net* Type nominale [po (mm)] [po (mm)] [po (mm)] [po (mm)] [po (mm)] [lb (kg)] [HP (kW)] SMD.13.7.1775.T. 1,3 (1,0) 7,09 (180) SMD.17.8.1765.T 1,7 (1,3) 17,3 (440) 7,09 (180) 7,68 (195) 7,09 (180) 8,27 (210) 79(36) SMD.23.10.1750.T.
- Page 35 Puissance Poids net* Type nominale [po (mm)] [po (mm)] [po (mm)] [po (mm)] [po (mm)] [lb (kg)] [HP (kW)] SMG.12.22.276. 1,2 (0,9) 30,7 (780) 7,87 (200) 12,6 (320) 16,1 (410) 21,7 (550) 174 (79) SMG.16.25.275. 1,6 (1,2) 31,1 (790) 7,87 (200) 12,6 (320) 16,1 (410) 24,8 (630)
- Page 36 SFG.xx.51-91.xx SFG.xx.51.xx SFG.10-39.71.xx SFG.47.71 SFG.55.71 SFG.34-55.91 SFG.10-30.91 Puissance Modèle Poids net Type nominale d'hélice [po (mm)] [po (mm)] [po (mm)] [po (mm)] [po (mm)] [lb (kg)] [HP (kW)] SFG.10.51.50. 1,0 (0,7) SFG.14.51.57. 1,4 (1,0) 249 (113) SFG.19.51.64. 1,9 (1,4) SFG.23.51.68. 2,3 (1,7) 35,4 (900) 7,87 (200)
- Page 37 SFG.xx.102.xx Modèle 2 pales Modèle 3 pales Puissance Poids avec support Modèle Type nominale moteur et câble de 10 m d'hélice [po (mm)] [po (mm)] [po (mm)] [po (mm)] [po (mm)] [HP (kW)] [lb (kg)] SFG.30.102.29. 3,0 (2,2) SFG.43.102.34. 4,3 (3,2) 102,4 2 pales 25,6 (650)
- Page 38 Appendix DIMENSIONES Y PESOS Potencia nominal Peso neto* Tipo [hp (kW)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] SMD.13.7.1775.T. 1.3 (1.0) 7.09 (180) SMD.17.8.1765.T 1.7 (1.3) 17.3 (440) 7.09 (180) 7.68 (195) 7.09 (180) 8.27 (210) 79(36) SMD.23.10.1750.T.
- Page 39 Potencia nominal Peso neto* Tipo [hp (kW)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] SMG.12.22.276. 1.2 (0.9) 30.7 (780) 7.87 (200) 12.6 (320) 16.1 (410) 21.7 (550) 174 (79) SMG.16.25.275. 1.6 (1.2) 31.1 (790) 7.87 (200) 12.6 (320) 16.1 (410) 24.8 (630)
- Page 40 SFG.xx.51-91.xx SFG.xx.51.xx SFG.10-39.71.xx SFG.47.71 SFG.55.71 SFG.34-55.91 SFG.10-30.91 Versión de Potencia nominal Peso neto Tipo la hélice [hp (kW)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] SFG.10.51.50. 1.0 (0.7) SFG.14.51.57. 1.4 (1.0) 249 (113) SFG.19.51.64. 1.9 (1.4) SFG.23.51.68.
- Page 41 SFG.xx.102.xx Versión de 2 álabes Versión de 3 álabes Peso con bancada del Versión de Potencia nominal Tipo motor y cable de 10 m la hélice [hp (kW)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [in (mm)] [lb (kg)] SFG.30.102.29.
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