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Summary of Contents for Grundfos HS
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Page 1: Installation And Operating Instructions
GRUNDFOS INSTRUCTIONS Horizontal split case pump Installation and operating instructions Installation and operating instructions http://net.grundfos.com/qr/i/99296580... -
Page 2: Table Of Contents
These instructions apply to both types. General information Symbols used in this document The HS pump can be driven by an electric motor or another type of driver. In the following we assume Receiving the product that the pump is driven by an electric motor. -
Page 3: Receiving The Product
We recommend that you install the pump on a agent at once. concrete foundation which is heavy enough to Bolts for HS bare shaft pumps have US provide permanent and rigid support for the entire threads for which inch tools are required. - Page 4 3.1.3 Vibration dampers Pouring of foundation Vibration dampers may be required to prevent pump We recommend the following procedure to ensure a vibrations from being transmitted to the building or good foundation: the pipes. In order to select the right type of vibration 1.
- Page 5 1. Lift/jack up the base frame to the final level 19-32 2. Checking soft foot on pump and motor mm above the concrete foundation, and support A pump or a motor having a soft foot can be the base frame by means of blocks and shims, compared to sitting down at a table and finding that both at the anchor bolts and midway between the table rocks when someone leans on it.
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Page 6: Electrical Connection
Grouting 3.2 Electrical connection Grouting compensates for uneven foundation, The electrical connections must be carried out by an distributes the weight of the unit, dampens vibrations authorised electrician in accordance with local and prevents shifting. Use an approved, regulations. non-shrinking grout. If you have questions or doubts about the grouting, consult an expert on grouting. -
Page 7: Pipes
45 kW bearings is electrically isolated. precautions: and up Contact Grundfos. 1. Always run the pipes directly to the pump. Noise-critical Fit a dU/dt filter between the 2. Do not move the pump to the pipes. This could... - Page 8 3.3.2 Inlet pipes 3.3.5 Auxiliary pipes Place the pump below system level whenever Drains possible. This will facilitate priming, assure a steady Install the drain pipes from the pump casing and liquid flow and provide a positive suction head. stuffing boxes to a convenient disposal point. Flushing pipes The sizing and installation of the inlet pipe •...
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Page 9: Inlet Pipe Guidelines
3.4 Inlet pipe guidelines 3.4.1 Common guidelines Avoid airlocks or turbulence in the inlet pipe Never use reducers in a horizontal inlet pipe as shown in fig. 8. Instead, use an eccentric reducer as illustrated in fig. 7. Correct Wrong Airlock Concentric reducer Eccentric reducer... - Page 10 3.4.4 Inlet pipe if the feed line comes in different horizontal planes Avoid high spots, such as loops, as they will collect air and throttle the system or lead to uneven pumping. Correct Wrong Airlock Eccentric reducer Eccentric reducer Fig. 12 Correctly mounted inlet pipe Fig.
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Page 11: Starting Up The Product
4. Starting up the product 4.2 Priming The startup procedure for the pumps has four steps: If not primed properly, the pump will not 1. Prestart checks. See section 4.1 Prestart checks. deliver liquid. 2. Priming. See section Priming. 3. Starting. See section Startup. -
Page 12: Startup
Open systems where the liquid level is below the 4.3 Startup pump inlet (suction lift systems) Make sure that the pump is filled with Fill the inlet pipe and pump with liquid and vent them liquid. The pump must not run dry. before the pump is started. -
Page 13: Final Alignment
4.4 Final alignment Parallel alignment - horizontally Make the final alignment by shimming the motor only. 1. Let the pump run until it has reached its operating temperature under normal operating conditions (approximately 1 hour). 1. Turn the motor and pump shaft to 270 ° (9 2. -
Page 14: Greasing The Grid Coupling
Angular alignment - vertically 4.5 Greasing the grid coupling Pack the spaces between and around the grid with as much lubricant as possible and wipe off the excess lubricant so that it is flush with the top of the grid. See section 8.1.3 Lubrication. -
Page 15: Storing And Handling The Product
4. Rotate the shaft two turns every two weeks to prevent corrosion of the bearing surfaces and the stuffing box or shaft seal faces due to moisture. Fig. 19 How to lift and handle the HS pumps Fig. 20 How to lift and handle the HS bare shaft pumps... -
Page 16: Product Introduction
6.3 Identification The type designation and rating information of 6.1 Applications Grundfos horizontal split case pumps are stated on the nameplate. See fig. 21. The type designation Grundfos HS horizontal split case pumps are includes model number, size and type. - Page 17 6.3.2 Type key The type key is an explanation of the product type designation. See fig. 21, pos. 1. Example HS 125 -100 -305X /273.1 , (W) 1 F1 D S BAQE 1 Type range HS horizontal version Nominal diameter of the inlet port (DN)
- Page 18 (Pump direction of rotation as seen from the motor end) Clockwise Counterclockwise Antimony, not approved for potable water. The example shown is an HS 125-100-305/273.1, standard type with standard coupling, DIN PN 10 flange, cast iron pump casing with SS304 impeller, BAQE mechanical shaft seal and clockwise direction...
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Page 19: Operating The Product
10. Fault finding the product. Report immediately to the supplier that you cannot If you want Grundfos to service the pump, contact remedy the defects. Grundfos with details about the pumped liquid, etc. before you return the pump for service. Otherwise Grundfos can refuse to accept the pump for service. - Page 20 8.1.2 Frequency of inspections 8.1.3 Lubrication Carry out inspections in accordance with the Pump bearings maintenance table below. Pump bearings are lubricated prior to delivery. Depending on operating and environmental We recommend relubricating intervals of 2000 conditions together with a comparison of previous operating hours.
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Page 21: Taking The Product Out Of Operation
Grid coupling CAUTION A grid coupling must be regreased at intervals. Hot or cold surface Normally, the interval is one year, but it can be shorter if the environment is aggressive or the Minor or moderate personal injury operating conditions are harsh. Use the same grease - Make sure that the escaping water does for the coupling as for the ball bearings. -
Page 22: Fault Finding The Product
10. Fault finding the product DANGER Electric shock Death or serious personal injury - Before you remove the terminal box cover and before you remove or dismantle the pump, make sure that the power supply has been switched off and that it cannot be accidentally switched Faults Causes... - Page 23 Faults Causes The pump delivers no liquid. The pump does not deliver enough liquid. The pump does not create enough pressure. The pump loses liquid after running for a short time. The pump consumes too much power. The motor is overloaded. Vibrations.
- Page 24 Extend the inlet pipe so that the risk of sucking air is eliminated. deeply enough. Check with Grundfos if you can use a larger impeller. If not, The impeller diameter is too small. reduce the outlet pipe friction losses. But be careful not to seriously overload the motor.
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Page 25: Technical Data
11. Technical data 11.1 Operating conditions 11.1.1 Ambient temperature and altitude The ambient temperature and the installation altitude are important factors for the motor life, as they affect the life of the bearings and the insulation system. If the ambient temperature or the pump installation altitude exceeds the values below, the motor must not be fully loaded due to the risk of overheating. - Page 26 75 °C, do not load the motor minimum 0.5 metres head. more than 88 % x 78 % = 68.6 % of the rated output. NPSH appears from the data booklet and Grundfos Product Center. 11.1.2 Liquid temperature...
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Page 27: Flange Forces And Torques
1. Use the public or private waste collection service. limit. Contact Grundfos for further information. 2. If this is not possible, contact the nearest Grundfos company or service workshop. - Page 28 Appendix Airborne noise emitted by HS pumps MG motors: [dB(A)] Motor 50 Hz [kW] 2-pole 4-pole 18.5 Siemens motors: [dB(A)] Motor 50 Hz [kW] 2-pole 4-pole 6-pole 18.5...
- Page 29 MMG-G motors: [dB(A)] Motor 50 Hz 60 Hz [kW] 2-pole 4-pole 6-pole 2-pole 4-pole 6-pole 18.5...
- Page 30 MMG-H motors: [dB(A)] Motor 50 Hz [kW] 2-pole 4-pole 6-pole 18.5 Subject to alterations.
- Page 32 Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
- Page 33 Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...
- Page 34 99296580 0617 ECM: 1211021 www.grundfos.com...
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