8 7 4000 1 1 Coolant Pump RCD Type Instruction Manual Thank you for purchasing the dirty type coolant pump RCD. 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 ・ ・ ・・・・17 6 Electrical Work ・・・・・・・・・24 2 Specifications ・ ・ ・ ・・・17 7 Operation ・・・・・・・・・・・ 25 3 Configuration ・ ・ ・・・・20 8...
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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. Contents Also, using high viscosity fluids will shorten the life of the motor and may cause ...
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2.2 Table 200V Type Type RCD-40A0.75 RCD-40A(B)1.5 RCD-40A(B)2.2 RCD-40A(B)3.0 Output [kW] 0.75 Frequency [Hz] ※1 Rated voltage[V] ※2 Rated current [A] 11.5 11.5 Quantity [L/min] Total head [m] 23.5 Mass [kg] 31(36) 39(44) 43(47) 400V Type Type RCD-40A0.75T4 RCD-40A(B)1.5T4 RCD-40A(B)2.2T4 RCD-40A(B)3.0T4 Output [kW] 0.75 Frequency [Hz] ※1 Rated voltage[V] ※2 Rated current [A] Quantity [L/min] Total head [m] 23.5 Mass [kg] 31(36) 39(44) 43(47) High Pressure Type Type RCD-40HA(B)3.0...
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【Puremium Efficiency (IE3) Motor】 200V Type Type RCD-40AE0.75 RCD-40A(B)E1.5 RCD-40A(B)E2.2 RCD-40A(B)E3.0 Output [kW] 0.75 Frequency [Hz] ※1 Rated voltage[V] ※2 Rated current [A] 11.5 14.5 Quantity [L/min] Total head [m] 23.5 Mass [kg] 33(38) 40(45) 48(52) 400V Type Type RCD-40AE0.75T4 RCD-40A(B)E1.5T4 RCD-40A(B)E2.2T4 RCD-40A(B)E3.0T4 Output [kW] 0.75 Frequency [Hz] ※1 Rated voltage[V] ※2 Rated current [A] Quantity [L/min] Total head [m] 23.5 Mass [kg] 33(38) 40(45) 48(52) ※1:Within -5〜+3% rated frequency at motor. ※2: Within ±10% rated voltage at motor.
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3 Configuration This figure shows the representation model 3.1 RCD−40A(E) 1.5 (T4) of RCD. The actual model may differ slightly from this figure. 1 N o. Name Material 2 1 Fan cover SPCC 3 2 External fan 3 Oil sesl 4 4 Wave washer SK-85M 5 Ball bearing − 5 6 6 Terminal screw(M4) SWRM 7 7 Earth screw(M4) C2700 8 Ball bearing − 8...
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3.2 RCD−40 B(E) 3 . 0(T4) This figure shows the representation model of RCD. The actual model may differ slightly 1 from this figure. 2 N o. Name Material 3 1 Fan cover SPCC 4 2 External fan 5 3 Oil seal 6 4 Wave washer SK-85M 5 Ball bearing − 7 Terminal screw(M4) SWRM 6 8 7 Earth screw(M4) C2700 9 8...
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 ...
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, the strainer clogging with cutting chips faster than usual, 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 flange of a pump. Although there are 2x2 attachment holes, it is for expanding the use range and please fix actual attachment at two places of the direction of a diagonal. Since the attachment hole is capping, please remove only two caps to be used. Two places which remain should not remove a cap but should use it as it is. 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] RCD-40A(E)0.75(T4) RCD-40A(E)1.5(T4) RCD-40B(E)1.5(T4) RCD-40A(E)2.2(T4) Highest Liquid RCD-40(E)B2.2(T4) Level RCD-40(H)A(E)3.0(T4) RCD-40(H)B(E)3.0(T4) ※Please put in calmly and not to involve in air, Lowest When putting use liquid into a tank. Liquid Level 7.Position change of a terminal box serves as special specification. VC81 Depend on specialist on the site when a change is 12:00 necessary.
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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 ● place heavy items on, catch or modify the cable. Failure to observe this could lead to power cable damages, electric shocks or fires. Take sufficient precautions to prevent chips, coolant, etc. from entering the ● terminal box through the lead-in port. Failure to observe this could result in electric shocks or fires. Refer to the connection diagram inside the terminal box or this instruction manual ● for power cable connection. Incorrect wiring could result in electric shock or fire. 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 ...
7 Operation Warning Always turn OFF the power and ensure that no power is being supplied to the ● pump when attaching or disconnecting wiring. Failure to observe this could result in electric shocks. Do not pour water into the motor. Failure to observe this could result in electric ● shocks, short circuit, fires, and malfunction. Always turn the power switch OFF under a power failure. when a power supply ● returns, suddenly operation could in injuries. Do not bring hands and feet close to a suction port during operation. Failure to ● observe this could result in injuries by being inhaled. Do not use or perform work while the product is suspended. There is risk of ● dropping and injury. Do not start operation with the shaft joint guard removed. Objects could get caught ● in or contact the rotating section and fly around and cause injury. 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 ...
5 . The pressure gauge and compound gauge s cocks should be closed except measurement. Leaving these cocks open will increase the risk of damage. 6 . It is not unusual although liquid comes out from between the cover and stage casings for the structure where the mechanical seal is not used. 7.2 Operation 1.Install valve in the discharge pipe, flow adjustment is possible by opening and closing of a valve. A motor does not become overload operation even if it closes a valve. 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 ...
Confirm the following check item at any time, and change care and the consumption part as needed. 8.1 Daily inspection, Check item Failure criterion Current Below the current value of a name plate. Voltage Less than ±10% of rated voltage. Noise value/Vibration Are changeless from the first stage. There is no clogged in the strainer of a pump. Inside of a tank ※Please clean, when there is a jam. In order to discover abnormalities early, it is important to get to know a daily change. We recommend to keep journal operation diary for that purpose. 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. Bush − When worn out.
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Refer Problem Cause Countermeasure page Pump rotation direction is 24,25 Correct the wiring. reversed. Impeller is clogged with foreign Have specialist repair. − matter. The strainer is clogged with − Have specialist repair. Pump rotates, but no foreign objects. water is discharged. The pipe is clogged. Inspect and repair. − − Prescribed discharge Worm parts. Have specialist repair. amount/pressure is A pump is suspended and it is not obtained Air has collected in the pump. started again. Air is extracted from − an air bleed valve. Large amount of bubbles in fluid. Prevent bubble generation/suction. − An operating fluid level is as lower Adjust fluid level. as the lowest fluid level. Piping loss is high. Review piping.