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Summary of Contents for Wilo Scot Pump MVI 5
- Page 1 A WILO BRAND Vertical, Multistage, Centrifugal Pump Installation and Operating Instructions...
- Page 2 Fig. 1a - Model numbering information format MVI – 750 – 4 /2 – 100HP – 405TSC – 304 – E – 230/460 Motor Voltage EPDM elastomers (FKM also available upon request) Pump construction designation NEMA motor frame Pump Horsepower Number of Pump stages at reduced diameter Number of Pump stages at full diameter Pump gallons per minute ≤...
- Page 3 Fig. 2 - Proper Mounting Special "L" bracket needed to mount horizontally in- line with the motor feet. Fig. 3 - Proper Lifting Lift pump assembly and pump and motor assembly with lifting straps that pass through the motor stool. Ensure that the load is not applied to the pump shaft.
- Page 4 Fig. 4 - Allowable liquids to be pumped Pumped fluid "Fluid Concentration, MVI 304 Stainless Steel MVI 316 Stainless Steel temperature" EPDM Viton EPDM Viton Acetic acid anhydride 77°F Alkaline cleaner Aluminium sulphate 10%,77°F Ammonia water (A. 20%,104°F hydroxide) Ammonia hydrogen 10%,104°F carbonate Benzoic acid...
- Page 5 Fig. 4 - Continued Pumped fluid "Fluid Concentration, MVI 304 Stainless Steel MVI 316 Stainless Steel temperature" EPDM Viton EPDM Viton Oxalic acid 1%,68°F Peanut oil 100%,176°F Phosphoric acid 20%,68°F Polyglycols 194°F Polyethylene glycols 40%, 158°F Potassium carbonate 10%,140°F Potassium hydrogen 10%,140°F carbonate Potassium...
- Page 6 Fig 5 - Maximum Operating Pressure and Inlet Pressure Stages Maximum Operating Pressure Stages Maximum Inlet Pressure MVI 5 2-27 363 psi 2-25 145 psi 217 psi MVI 15 2-25 363 psi 2-17 145 psi 19-25 217 psi MVI 20 2-24 363 psi 145 psi...
- Page 7 Fig. 6a - MVI - 5, 15, 20, 50, 75, 100 Section View MVI - 5, 15, 20, 50, 75, 100 Fig. 6b - MVI - 160, 225, 320, 450 Section View MVI - 160, 225, 320, 450...
- Page 8 Fig. 6c - MVI - 600, 750 Section View MVI - 600, 750 Fig. 7a - Proper Installation Clearances...
- Page 9 Fig. 7b - MVI - 5, 15, 20 Flange/Footprint 4.13 [x4] 3.94 0.75 x 1.0625 [x4] 1 1/4" - 300# ANSI SUCTION & 3.35 8.27 7.09 DISCHARGE 1.34 2.95 5.51 8.27 3.50 Fig. 7c - MVI - 50, 75, 100 Flange/Footprint 5.12 0.75 x 0.875 [x4]...
- Page 10 Fig. 7e - MVI - 225 Flange(s)/Footprint MVI 225-4/1 - 225-8/1 MVI 225-1/1 - 225-4/2 3" - 300# ANSI 3" - 150# ANSI SUCTION & SUCTION & DISCHARGE DISCHARGE 0.875 7.48 [x8] 0.75 [x4] 12.99 10.43 5.51 1.77 [14] 6.63 12.99 0.55 8.25...
- Page 11 Fig. 7h - Storage tank or water main installation 3.) vent plug 4.) priming plug water main feed Fig. 7i - Suction lift installation 3.) vent plug 4.) priming plug...
- Page 12 Figure 7j - Proper pump mounting Fig. 7k - Proper piping...
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Page 13: Minimum Flow
Fig. 8a - Minimum Flow Fig. 8a - Minimum Flow Minimum Flow t (°F) Tightening Torque Specifications COUPLING BOLTS IMPELLER NUT/LOCK NUT PUMP MOTOR FRAME BOLT in-lb PUMP in-lb MVI 5, 15, 20 MVI 5,15,20 MVI 50, 75, 100 182TC MVI 160,225,320,450 213TC MVI 600, 750... -
Page 14: Transport And Interim Storage
1. General 2.2 Personnel qualification The personnel installing the pump must have the appropriate qualification for this work. 1.1 About this document These installation and operating instructions are 2.3 Possible risks incurred by failure to comply with an integral part of the product. They must be kept the safety instructions readily available at the place where the product is Failure to comply with the safety instructions... -
Page 15: Technical Data
5. Technical data with the carrier within the allowed time. Prior to installation of the pump, please check that all bolts are tightened that may have loosened during 5.1 Technical data the transportation process (particularly between Refer to Fig. 5 - Maximum operating pressure please motor and motor bracket). -
Page 16: Installation And Electrical Connection
18 – impeller WARNING! Risk of fall! 24 – neck ring The pump must be correctly screwed to the 36 – cover, seal chamber ground. 37 – shaft - Place the pump where it will be easy to reach, to 42 –... - Page 17 Fig. 7j-page the control panel (component 5 in if necessary (component 1 in Fig. 7j - page 12 12-Proper pump mounting) conforms to local - Proper pump mounting for pipe support) to standards and regulations. avoid stresses on connections. • For safe installation and operation, the motor - It is advisable that isolation valves (component must be properly grounded.
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Page 18: Maintenance
CAUTION! Possible damage of the pump! 8.3 Minimum Inlet Pressure - NPSH Incorrect rotation will cause poor pump To avoid cavitation, make sure that there is a performance and cause possible pump damage. minimum pressure on the suction side of the pump.Refer to the pump’s NPSHR curve. -
Page 19: Faults, Causes And Remedies
Step 9: Cross tighten the allen screws holding the seal to the shaft to six ft-lbs. torque. Step 10: Lift the pump shaft and insert the shaft spacer under the seal flange. Step 11: Install the coupling with the bottom portion sitting on the top of the shaft spacer. -
Page 20: Spare Parts
Faults Possible causes Remedies Pump runs but no water delivered. Pump is not primed with liquid. Fill the pump with the liquid to be pumped. The pump, suction or discharge pipes Clean the pump, suction or discharge are blocked by solids in the liquid being pipe. - Page 21 Installation and operating instructions - MVI 5, 15, 20, 50, 75, 100, 160, 225, 320, 450, 600, 750...
- Page 22 WILO USA LLC +1 262 204-6600 www.wilo-usa.com info.us@wilo.com Wilo Canada Inc. +1 403 276-9456 www.wilo-canada.com info@wilo-canada.com Scot Pump +1 262 377-7000 www.scotpump.com scot.sales@wilo.com Pioneering for You...
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