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8 7 4000 20 Coolant Pump RCJ Type Instruction Manual Thank you for purchasing the coolant pump. This instruction manual provides information for the customer to safely use this pump unit. Always read this manual thoroughly and fully comprehend the contents before starting work. Please keep this instruction manual in a handy place for quick reference. < Contents > 1 Introduction ・・・・・14 6 Electrical Work ・・・・・・19、20 2 Specifications ・・・14、15 7 Operation ・・・・・・20、21、22 3 Configuration ・ ・・・・16 8 Maintenance & Inspection ・・22、23 4 Installation ・・・17、18 9 Troubleshooting ・・・・・・23、24 5 Piping ・・・・・19 10...
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1 Introduction Please check the following items upon receipt of the product. If there are any problems, contact your dealer. ・ Confirm the upside of the package and open the package carefully. Failure to do may result in injuries. ・ Do not load handing with the band. There is a possibility that it may be injured by the band off. ・ This product is skewed center of gravity. Lifted carelessly may occur to be low back pain. ・ Check the nameplate to ensure that the correct pump has been delivered. Check the type, output, voltage, frequency, etc. of the delivered pump in reference with the name plate to verify that the correct product has been delivered. ・ Check that no parts have been damaged during transportation, and that none of the bolts, nuts, etc., are loose. Tighten any part that is loose. ・ Check that all ordered accessories have been delivered. 2 Specifications Caution Always use this pump within the specified product specifications. ● Failure to do so could result in electric shocks, fires, water leaks, etc. Never use this product above the maximum working pressure. There is a risk of ● serious accidents. Caution is required when using this product in a circulatory application, in which ● there is no tolerance for rusting, metal corrosion or elution. Carefully select and review the pump and entire system. The circulating water could become concentrated and lead to unforeseen damage. Select a product that matches the application. Using a product for an inappropriate ● application will cause faults. The Danger, Warning and Caution labels indicate information on matters that could ● cause bodily harm or property damage. Always observe the indicated information. Failure to do so could result in device damage, electric shock, fire or injury, etc. 2.1 All the model community Coolant, Cutting oil ※The pump cannot be used with fresh water, ocean water, organic solvent,acid liquid. Also, using high viscosity fluids will shorten the life of the motor and Contents may cause the motor to burn out. Be sure to use the fluids with the viscosity ...
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2.2 Table 200V Type Type RCJ-65AE1.5 RCJ-65BE1.5 RCJ-65AE2.2 RCJ-65BE2.2 Output [kW] Frequency [Hz] ※1 Rated voltage[V] ※2 10.5 10.5 Rated current [A] L Quantity [ /min] 200/500 200/600 200/500 200/600 200/500 200/600 200/500 200/600 Total head [m] 11/5.5 16/7 11/5.5 16/7 14.5/9.5 21.5/13 14.5/9.5 21.5/13 Mass [kg] 400V Type Type RCJ-65AE1.5T4 RCJ-65BE1.5T4 RCJ-65AE2.2T4 RCJ-65BE2.2T4 Output [kW] Frequency [Hz] ※1...
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4 Installation Warning Before hoisting the pump unit during unloading, loading, and installation, check the ● product catalog, the installation drawing, and the instruction manual, etc., to verify the pump unit weight and the hoist method. Do not attempt to hoist a pump unit that exceeds the hoist s rated load. Incorrect hoisting can result in drops and injuries. Securely install the pump as explained in the instruction manual. Incomplete ● installation could result in electric shock, fires or injury from dropping. Do not use the pump in flammable gas, Incorrect using could result in fire. ● Install the product according to applicable laws and regulations (Electrical ● Installation Technical Standards, Wiring Regulations). Failure to do so is not only illegal, it may result in electric shock, fire, or injury from dropping or falling, etc. In consideration of the product life, select a well-ventilated place, that is free of dust, ● corrosive and explosive gas, salt, humidity, steam and dew condensation, and is not subject to wind, rain or direct sunlight. The motor or control panel insulation could drop in a poor environment and lead to residual current, electric shock or fires. Caution Do not install this pump in places such as machine and chemical factories where ● toxic gases including acid, alkaline, organic solvents or paint are present, where gases containing corrosive elements are generated, or where there are high levels of dust. Failure to observe this could result in earth leakage or fires. Do not install this pump in a place that has not been treated for drainage or ● waterproofing. Major disasters could occur if water leaks. Do not insert foreign objects or fingers etc. into openings (fan cover, discharge port, ● suction port, etc.) of the pump. Incorrect doing could result in electric shock, injuries and damage to equipments. Do not install in a place as in the obstruction are around the pump to block ● ventilation for cooling motor effect. Incorrect doing could result in burns, fires etc. Do not stand on the pump. Failure to observe this could result in injuries and ...
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2.When hang and carry the pump, use eye-bolts which is a base. 3.Install higher more than 10mm from the bottom of tank. 4.The tank should use as big capacity as possible. The recommended tank capacity is at least three times of discharge amount per minute. Using a tank with excessively small capacity may cause problems, such as the fluid temperature increasing, reduction in the amount of discharge due to generation of bubbles, etc. 5.Attach to a tank, certainly fix to the hole of attachment in the base of a pump. 6.The operating liquid level is as follows. ・Highest liquid level For safety, keep the fluid level as low as possible. ・Lowest liquid level For safety, keep the fluid level as high as possible. Highest liquid Lowest liquid Type level A[mm] level B[mm] RCJ-65AE1.5(T4) RCJ-65BE1.5(T4) RCJ-65AE2.2(T4) Highest RCJ-65BE2.2(T4) Liquid Level ※Please put in calmly and not to involve in air, When putting use liquid into a tank. 7.Position change of a terminal box serves as special specification. Lowest Liquid Depend on specialist on the site when a change is Level necessary. The terminal box position can change a position every 90 degrees by rearranging a motor frame. (Refer to right figure) Dischareg 12:00 VC80 VC82 9:00...
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5 Piping 5.1 Piping 1.Install a vibration proof joint and piping support to prevent the piping weight from being applied directly to the pump. 2.The piping should be as following The pipe should be as big as possible and as short as possible. The pipe should reduce a bent elbow and a branch such as cheese. Reduce the obstacles such as valves. ※When a pipe is long and is small, and there are many a curve and obstacles, a discharge decreases. 3.Tighten certainly in the screw part of piping using seal adhesive to prevent water leakage. 4.Take appropriate preventive measures to prevent water hammer (e.g. install an By-pass etc.). 6 Electrical Work Warning The electrical work must be completed according to the Electrical Installation ● Technical Standards Wiring Regulations and any other applicable regulations. Improper wiring and connections could lead to earth leakages or fires. Securely earth the equipment , and install a dedicated residual current circuit ● breaker on the power supply side. Failure to observe this could result in earth leakages, electric shocks or fires. After work, return the terminal box cover to original position. Failure to observe ● this could result in electric shocks or fires. Always earth the pump before turning the power on. Do not connect the earthing ● wire to gas pipes, water pipes, lightning rods or telephone earthing wires. Failure to earth the equipment correctly could result in electric shocks. Confirm whether a wiring joint, a connection department become loose or separate. ● Only one place loosens or separated could result in fires or electric shock. Clean off any dust from the power plug, wiring connectors, connections and ● terminals. An electrical discharge on dust could cause heating or a fire. Caution Do not damage, modify, forcibly bend, pull, twist or bundle the power cable. Do not ...
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6.1 For standard voltage products, see the drawing on the below and connect the motor terminals to the power supply terminals correctly. (The number of motor terminals is three.) Direct on line starting Power supply terminals R S T Screw size (Ref.)Tightening torque M4 1 . 3[N ・m] Motor terminals U V W 6.2 Always ground the ground the grounding terminal. According to the mark in the terminal box. Screw size (Ref.)Tightening torque M4 1 . 3[N ・m] The color of a ground:Green yellow 6.3 The wiring should refer to the following table. Copper wire thickness of wiring(Ref.) The minimum copper wire The minimum copper wire Rated voltage Output thickness of wiring thickness of grounding wire [kW] [mm] [mm] 1 . 5 1...
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Caution Do not use this product out of the rated voltage. Failure to observe this could result ● in fires or electric shocks. Do not touch the rotating area during operation, and do not insert fingers or rods, ● etc. into the motor openings. Failure to observe this could result in electric shocks and injuries. Do not touch pump or motor during operation . The motor could reach high ● temperature and lead to burns. Turn OFF the power when not using the pump for long periods of time. Failure to ● observe this could result in earth leakages, electric shocks, or fire due to deterioration of the insulation. Do not use the product over the frequency 60Hz (50Hz only model is 50Hz) when ● driven with an inverter. Failure to observe this could result in the pump burning out or fires. When operating the motor with a 400V class inverter, install a suppressing filter or reactor on the inverter side , or reinforce the motor side with insulation. Failure to observe this could lead to damage or fires due to insulation breakage. Do not use a fluid with a higher viscosity than the maximum limit of viscosity. ● Failure to observe this could result in the pump burning out or fires. Do not place flammable objects near the pump. Failure to observe this could result ● in fires if a power plug generates heat and ignites. When resuming operation after a long-term storage or suspension, refer to the ● "Installation" and "Operation" sections and perform trial operation. The pump could be locked and the motor could burn if parts are stuck, etc. Always operate the pump within the specified range. Operation exceeding the ● specified range could result in pump damage or accidents. 7.1 Trial operation 1.Verify that the earth leakage breaker capacity, the power supply voltage, and the wiring are correct. 2.Check that the fluid is above the specified level.(Refer to 4.1 - 6) 3.Turn the power ON, and confirm the rotation direction of the pump accords with the ...
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2.Flow adjustment is possible at good operation in variable speed by an inverter. When you use an inverter, please operate with the frequency of 5〜60 Hz, and below an amperage rating value. However, as for an inverter, directions for use should follow an inverter maker's directions. There is a possibility that a motor may be damaged by fire depending on the kind of inverter or a setup. We recommend to do the conformity examination of an inverter and a pump. 3.The frequency of start and stop makes max100 time an aim every hour . Operation of high frequency causes failure of electric parts, such as insulated degradation of a motor. 8 Maintenance and Inspection Warning If the pump does not operate or if an abnormality is sensed(such as burning smell), ● stop operation immediately and turn OFF the main power. Then, contact the place of purchase or a designated service center for inspections and repairs. Failure to observe this could result in electric shocks, fires, water leaks, etc. The product must never be disassembled, repaired or modified by any person other ● than a qualified repair technician. Improper repairs could lead to electric shocks, fires or water leaks. Always turn OFF the power and ensure that no power is being supplied to the ● pump before starting maintenance servicing. Failure to observe this could result in electric shocks or injuries. When keep a pump for a long time, please measure the insulation resistance of ● winding every six months, and check that it is more than 1MΩ. Always use genuine Kawamoto parts for repairs. Use of non-genuine parts could ● cause faults and accidents. In addition, proper functions may not be achieved. Both periodic inspections and daily inspections are recommended for ensuring safe ● use for a long time. Failure to perform inspections can result in pump faults and accidents. Consult with your dealer or nearest Kawamoto Sales Office for periodic inspections. Periodically replace the consumable parts. Using the pump with degraded or worn ● parts can result in water leaks, burning or damage. Contact your dealer or nearest Kawamoto Sales Office for periodic inspections and part replacement, etc.
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8.2 Periodic inspection Check item Contents Motor surface Dust, oil, etc. adhering to the surface are cleaned. Inside of a tank Remove chip precipitating in a tank base . Insulation resistance More than 1MΩ. Be careful when using solvent or similar to clean the pump. Inappropriate use of solvent may result in poisoning. In addition, the use of thinner and/or benzine may cause a change or abruption of painting color of the pump. 8.3 Consumable parts The following parts are consumable parts. Refer to the replacement guidelines and replace the parts. Part name Replacement frequency The state of frequency When generation of heat, noise, Bearing About 2 years and unusual vibration occur. Submerged bearing − When worn out. Sleeve − When worn out. Impeller − When worn out. If abnormal in daily maintenance and check, we will recommend you repair a little early. 9 Troubleshooting Warning If the pump does not run, or if there are any abnormalities , strop operation ● immediately and turn the power source off. Contact your dealer or designated service center for inspection and repairs When there are any abnormalities after carrying out the check item of the following table, please contact your dealer or designated service center. Refer Problem Cause...
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Refer Problem Cause Countermeasure page Voltage is too low or unbalanced. Adjust voltage. − Overload (over-current) The bearing of a motor is worn Have specialist repair. − occurs. out or damaged. Viscosity of fluid is too high. Use fluid with lower viscosity. Installation defect. The check of an installation state. The foreign substance is got There is vibration or Have specialist repair. − blocked in the impeller. abnormal noise. The bearing of a motor is worn Have specialist repair. − out or damaged. Water hammer Water hammer occurs when a Install an accumulator or bypass − occurrence. valve is closed suddenly. circuit. ・Unexpected trouble could occur. However, it is important to take appropriate measures immediately when an abnormal condition is found. ・If the cause of the trouble is not clear, contact your dealer or designated service center. Notice the pump type, serial No. and trouble (fault) state making an inquiry. 1...