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Table of Contents
Related Manuals for IWAKI AMERICA MD SERIES
Summary of Contents for IWAKI AMERICA MD SERIES
- Page 1 IWAKI AMERICA MAGNETIC DRIVE PUMP MD/WMD SERIES...
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Page 2: Table Of Contents
Thank you for having selected an Iwaki America MD/WMD Series magnetic drive pump. This instruction manual deals with the correct handling, maintenance, inspection and troubleshooting procedures for the MD/WMD magnetic drive pump. Please read through it carefully to ensure the optimum performance, safety and long service of your pump. -
Page 3: Safety Instruction
Use the pump strictly in accordance with the pump specifications and application capabilities. Modification Never modify the pump. Iwaki America will not be responsible for any accident or damage of any kind caused by the user remodeling the pump without first obtaining permission or instructions from Iwaki America. - Page 4 Do not damage power cord Do not cut, abrade or forcibly pull the power cord. Excessive heat or heavy load applied to the cable may damage the cable and finally result in a fire or an electrical shock. Do not cover the motor Covering the motor during operation may result in an accumulation heat inside the motor and cause a fire or a mechanical failure.
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Page 5: Unpacking And Inspection
MAX.HEAD have not been loosened in transit. VOLTAGE AMPS SERIAL NO. IWAKI AMERICA 5 BOYNTON ROAD HOPPING BROOK PARK HOLLISTON, MA 01746 USA TEL: 508-429-1440 www.iwakiamerica.com OPERATING PRINCIPLE A sealless magnet drive pump uses magnet torque to transmit energy from the motor to the impeller. A magnet coupling is formed using an inner, or driven magnet, attached to the impeller and an outer, or drive magnet, attached to the motor shaft. -
Page 6: Model Identification Guide
MODEL IDENTIFICATION GUIDE WMD/MD X(Z) 1. Series name (WMD specifies US motor design) 2. Pump Size (6, 10, 15, 20, 30, 55, 70, 100) 3. R = Rotating Spindle (omit for MD-6 and MD-10) 4. L = UL Listed Motor, included in 6, 10, 55, 70, 100 115V model (also on older 15/20/30/40 models) 5. -
Page 7: Specifications
SPECIFICATIONS Connections Motor Motor Max Sys. Current Specific Weight Model Output Speed Flow Head Pressure (Amps) Gravity (Lbs) Hose (HP) (RPM) (GPM) (Ft) (PSI) Polypropylene MD-6 1/250 3100 0.25 2.80 MD-10 1/125 2900 0.40 4.30 MD-15R(T) 1/75 3100 0.29 11.1 7.20 WMD-15R(T) 1/38... -
Page 8: Construction/Materials
Typical Construction/Materials Part Name Material Front Casing GFRPP (Note 1) Rear Casing Impeller Thrust Alumina Ceramic O-ring FKM or EPDM (Note 2) Stainless steel Screw Bearing Fluororesin containing filler material (Note 3) Spindle Alumina ceramic Motor Note 1: The material of the impeller used in MD-70RZ, 100R, 100R-5 is CFRPP. Note 2: More elastomer options available Note 3: The material of the bearing used in (W)MD-20RZ, 30RZ, and MD-70RZ is PPS. -
Page 9: Handling Instructions
HANDLING INSTRUCTIONS 1. Handle the pump carefully Strong impact to the pump assembly may result in damage or reduced performance. 2. Starting Before priming the pump be sure the power is turned off then proceed with filling the pump end with water. Note, the pump must be fully primed before starting. Next close the valve on the outlet or discharge side of pump. -
Page 10: Installation, Piping, And Wiring
Ether and low-grade ester Slurry (For a chemical compatibility to guide contact Iwaki America customer service.) 8. To prevent fire and explosions, do not place dangerous or flammable substances near the pump. 9. Be sure unit is properly ground. -
Page 11: Piping Instructions
Piping instructions 1. To minimize frictional resistance, the shortest piping possible with a minimum number of bends should be utilized on the inlet or suction side of the pump. 2. Use a corrosion-resistant vinyl hose that is rated at or above the pressure rating of the pump (see specification table). - Page 12 Wiring diagrams • (W)MD-15R, 20R, 20RX, 20RZ, 30R, 30RX and 30RZ (Single-phase capacitor run motor with thermal protector) THERMAL PROTECTOR BLACK AUXILIARY COIL POWER MAIN COIL SOURCE CAPACITOR WHITE GREEN • (W)MD-40R, 40RX, 40RZ, 55R, 70R, 70RZ, and 100R (Single-phase capacitor run motor with thermal protector) 100R ONLY THERMAL PROTECTOR...
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Page 13: Assembly
• (W)MD-70R, 70RZ, and 100R models (3-phase motor,400/440V) THERMAL PROTECTOR THERMAL PROTECTOR POWER SOURCE ROTOR ASSEMBLY 1. Place the motor on end vertically so that the shaft is pointed upward. 2. Install the drive magnet on the motor shaft and position the shaft flush with the inside of the magnet. -
Page 14: Operation
OPERATION Caution • Before operating the pump, confirm that connections to the discharge and suction ports are secure. • Dry run operation (operation without liquid in the pump) damages the pump. Be sure to fill the pump with liquid prior to startup. •... - Page 15 Pump Stopping Procedure Stopping Step Description Close discharge side valve. Close discharge side valve gradually. Do not use electromagnetic valve for quick closing. Switch power off. Check that motor stops smoothly after power supply is disconnected. If not, pump should be inspected. (For details, contact Iwaki or your dealer.) How to store pump when it is out of use for a long time Remove the liquid from the pump if it is to be stored for a long period of time.
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Page 16: Maintenance/Inspection And Consumable Parts
MAINTENANCE/INSPECTION Maintenance and inspection • When the pump has been used for a long time, the front casing screws attaching the pump head to the motor bracket may loosen. Tighten screws periodically taking care not to deform the plastic parts. Also, after pump has been stored for a long time, tighten screws before pump is used again. -
Page 17: Dimensions
DIMENSIONS Dimensions in inches *Varies with motor Connections Model Hose NPT(M) Polypropylene Models (MD-115V models only) MD-6/10 2.91 3.62 4.09 1.18 2.87 2.36 1.77 1.22 0.67 WMD-15R(T) 3.50 4.26 9.46 2.37 4.15 2.50 1.94 1.52 0.85 MD-15R(T) 3.74 4.39 7.05 1.97 4.59 3.35... -
Page 18: Troubleshooting
TROUBLESHOOTING Pump is Electric Excessive Pump not pumping Liquid current noise or does not or flow is leaks. is high. vibration. start. insufficient. Power is not supplied or wiring Check power ○ ○ is faulty. connections or contact your dealer. Motor is out of order (short Contact your dealer.
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