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Summary of Contents for Grundfos KJI K Series
- Page 1 r e v i s i o n K-Series Instruction & Operation Manual for KJI PUMPS 750-18, Jangnok-dong, Gwangsan-gu Gwangju, Korea Tel : 82-62-602-8400 (Rep.) Web : www. kjipumps.co.kr...
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Page 2: Table Of Contents
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 2 / 25 TABLE of CONTENTS 1. Overview 2. General Data Information of the nameplate Pump code designation Maximum operating conditions Safety Precautions Applications Operating Conditions 3. Carriage & Transport Lifting the pump 4. -
Page 3: Overview
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 3 / 25 KSE & KSN USER MANUAL OVERVIEW Thank you for choosing KJI Pumps. This manual is designed to help you achieve the best results from our products in terms of longevity, efficient usage and maintenance. All users should read and be familiar with the contents of this manual. -
Page 4: Pump Code Designation
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 4 / 25 Pump code designation. S 200 K S E 37 4 T 3 Volatage : 2=220V,230V / 3=380V / 4=415V,460V upto 6600V Phase : S=Single Phase, T=Three Phase Number of Poles : (Motor Synchronous Speed at 50Hz) 2=2850rpm, 4=1450rpm, 6=950rpm, 8=720rpm, 10=580rpm...etc... -
Page 5: Applications
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 5 / 25 Do not work alone. Use proper safety equipment including antiseptic masks if necessary. Ensure that there is no toxic or explosive gas in the wet well before entering or welding or using electric tools. - Page 6 Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 6 / 25 2.6.2 Ambient temperature(0°C to +40°C) For explosion proof pumps, the ambient temperature on the installation site must be in the range between 0°C to +40°C. 2.6.3 Level of pumped liquid fig.
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Page 7: Carriage & Transport
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 7 / 25 For intermittent operation, the pump must always be covered by the pumped liquid to the middle of the motor CARRIAGE & TRANSPORT During transportation the pump should be secured in such a manner as to avoid shocks which may damage the pump. -
Page 8: Storage In The Pit-System Not In Use
& prior to being put back into service. If the insulation resistance drops below 10 Mega-Ohm, contact your local Grundfos office. The power source must be shut off and isolated at the control panel when the pump is... - Page 9 Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 9 / 25 fig. 4 To prevent mechanical damage, all cables laid under ground must be properly installed in underground electrical conduit specifically designed for this purpose, cables must not be installed directly in the ground or in concrete.
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Page 10: Cable Joints
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 10 / 25 Cable Joints If it is necessary to extend the pump supply cable ensure that the cross sectional area of the extension cable used keeps sufficient cross sectional area to absorb voltage drop. - Page 11 Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 11 / 25 • Following items are required: - Guide bars consisting of two hot dip galvanized or stainless steel pipes. - Sliding Bracket for attaching the guide bars to the access frame or the upper part of the sump.
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Page 12: Dry Pit Installation
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 12 / 25 Dry pit installation fig. 8 • In the Dry pit installation, the pump will be installed in a stationary position of the dry well next to the wet sump. •... -
Page 13: Portable Installation
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 13 / 25 Portable installation In the Portable installation, the pump is transportable and intended to operate completely or partially submerged in the pumped liquid. The pump is equipped with a connection for hose or pipe. - Page 14 Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 14 / 25 5.6.1 Procedure of the Horizontal installation Mark and drill mounting holes in the concrete floor/concrete foundation. Fit the bracket or base stand to the pump. Fasten the pump with anchor bolts. Check that the pump type is right.
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Page 15: Commissioning & Operation
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 15 / 25 6. COMMISSIONING & OPERATION 6.1 Initial Examination Physically inspect the pumps for any signs of transport damage, paying particular attention to bolted joints and the cable if fitted. Confirm that the details on the name plate of the pump agree with the ordered product paying particular attention to voltage, frequency and starting method. -
Page 16: Precautions
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 16 / 25 • Check that cable entry sealing sleeve and washers correspond to the outside diameter of cable. When preparing power cable conductors for connection to the pump and control panel, it is essential that the earth conductor is at least 50mm longer than the other conductors after connection. -
Page 17: Insulation Check
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 17 / 25 to manual and jog the pump by momentarily starting it before fully starting. - Check that the direction of pump rotation is anti clockwise when viewed from above the motor fan cover, (clockwise when viewed looking at the impeller). - Page 18 Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 18 / 25 6.3.1.2 Direct On Line (D.O.L) Connect one of the three phase wires to the Earth Link of a Mega Tester and measure the insulation resistance of the remaining two wires.
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Page 19: Control Panel Wiring
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 19 / 25 6.3.2.2 Leakage Sensor There are two wires, both black and the identification marking is SS (Seal Sensor). The resistance measured with a multimeter should be over 20 Kilo Ohm. (Do not use Mega Tester for this test). -
Page 20: Thermal Protection Wiring
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 20 / 25 6.4.1.2 Star – Delta fig. 19 6.5 Thermal Protection Wiring Most K-series control systems are equipped with thermal protection. There are two types one is installed in the motor and the other in the control panel (Except for KP type). -
Page 21: Level Switch & General Wiring
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 21 / 25 6.6.2 Star-Delta fig. 21 Level switch & general wiring 6.7.1 Level switch & general wiring for general drainage purposes to operate one pump automatically. fig. 22 fig. 23... -
Page 22: Maintenance, Inspection And Overhaul
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 22 / 25 7. MAINTENANCE, INSPECTION AND OVERHAUL 7.1 Maintenance Since the life of the pump largely depends on the operating conditions, daily inspection and periodic servicing are strongly recommended to guarantee maximum product lifetime. -
Page 23: Inspection
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 23 / 25 7.2 Inspection Under normal operation the pump should be removed from the pit and inspected once per year. Under severe operating conditions where sand, fibrous material and solids are present this should be done once per month. -
Page 24: Overhaul
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 24 / 25 Recommended oil is Lubrication Oil ISO VG Mobil DTE Turbine Oil 90 or equivalent. 7.2.2.3 Inspect Impeller and Wear Plate Check the impeller and wear plate for excessive clearance. Replace or repair as necessary. -
Page 25: Trouble Shooting
Prepared by. K-Series Rev. No. I/O Manual Date. 11-Jan-11 Page. 25 / 25 8. TROUBLE SHOOTING SYMPTOM CAUSE REMEDY 1) Power Failure Contact electric power company 2) Incorrect voltage. “ 3) Significant voltage drop “ 4) Motor phase malfunction 4) Inspect motor & connections 5) Electric circuit connection 5) Check electric circuit Pump does not...
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