Summary of Contents for Showa Denki KAIRYU
- Page 1 MAA4060-Y004E Fan Instruction Manual Axial fan with adjustable-at-rest blades ® (KAIRYU / smooth flow) [Instruction manual for motor direct drive type]...
- Page 2 Fan Instruction Manual Introduction Thank you for purchasing a Showa Denki KAIRYU fan. As a specialized manufacturer of fans and dust collectors, Showa Denki works diligently to manufacture products with our flow technology and rotary equipment technology at their cores. The KAIRYU series are high-performance, low-energy-consumption axial fans based on these core technologies.
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Page 3: Table Of Contents
Contents Page Safety precautions ....................... - 3 - Product overview ......................- 6 - Types and meanings of model indications ................- 6 - Product structure and names of parts .................. - 7 - Receiving........................- 8 - Unloading upon receipt and product verification ..............- 8 - Movement/transportation ...................... -
Page 4: Safety Precautions
Safety precautions Warning Intake of dangerous gases or installation in dangerous locations is prohibited. This product does not have an explosion-proof structure. Intake of flammable gases or operation in an explosive atmosphere may result in an explosion caused by sparks due to static electricity, electrical devices, metal contact, etc. - Page 5 Wiring of the motor should be performed according to Electrical Installation Technology Standards and Internal Wiring Standards by a licensed electrician. (Also refer to the instruction manual of the motor.) Before performing test operation, make sure that there are no materials, bolts, nuts, tools, etc.
- Page 6 Precautions for the use of an inverter to operate the blower. 1) The standard motor may not be used for the operation in some cases as shown below. ・ In the case of no margin for temperature rise in the motor 2) At factory shipment, the setting of a commercial inverter is not suitable for the blower.
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Page 7: Product Overview
Product overview 2.1 Types and meanings of model indications The types and meanings of model indications for standard specifications are shown in the table below. The model indication is shown on the product nameplate on the side of the fan body (casing). Type Casing Performance... -
Page 8: Product Structure And Names Of Parts
2.2 Product structure and names of parts 2.2.1 Outline view 2.2.2 Parts list Part name Material End cover A1050P Holder SS400 Impeller blade AC4A or AC4C Wheel hub AC4A or AC4C Impeller hub FC200 Casing SS400, SPHC Motor Terminal box 2.2.3 Exploded view Note:... -
Page 9: Receiving
Options Silencer Silencer Inlet cone Inlet screen Silencer: Reduces drive noise by approximately 10dB*. Inlet cone: When using fan with inlet side open, this cone should be attached to maintain performance. Inlet screen: When using fan with inlet side open, this screen should be attached to ensure safety. -
Page 10: Connection To Ducts
Location where no dangerous chemicals are present. 4.1.2 Foundation and mounting For the amount of foundation concrete to use, a general reference is that an amount equal to 3 times the weight of the fan is suitable. When mounting on top of a frame, be sure to mount it on a surface having sufficient structural strength. -
Page 11: Electrical Wiring
(3) Avoid sudden expansions or shrinkage in diameter. (4) When the inlet will be left open, install the inlet cone to maintain performance. (5) When the outlet will be left open, install the diffuser to maintain performance. ... -
Page 12: Operation
If the rotation direction is opposite, switch off the main power. Swap the connections of two of the three power cables. Then test operation again and check the rotation direction. Since the wire color and power source phase may vary according to the power company, rotation may be opposite even if the matched wire colors are connected. -
Page 13: Stopping Operation And Restarting After Stopping
5.1.1 Abnormal noise If an abnormal noise occurs, stop operation immediately and perform inspection. Possible types and causes of abnormal noise: ◇ Bearing noise Abnormality or end of service life of motor bearings ◇ Contact noise Impeller or casing deformation/damage Intake of foreign object Looseness due to loose bolt ◇... -
Page 14: Warranty
Warranty Scope of warranty Repair service is provided free of charge for a failure during the warranty period, as long as the blower has been used in compliance with these Operating Instructions, labels attached to the body, and other instructions. In the case that this product is incorporated into other equipment used by the customer, the warranty does not cover costs for removal from such equipment, reattachment to such equipment, costs of other incidental work, costs of transportation etc., resulting opportunity loss... -
Page 15: Malfunction Causes And Countermeasures
Malfunction causes and countermeasures Fan malfunction causes and countermeasures Malfunction status Measures Malfunction cause Defective installation ○ ○ ○ ○ ○ Re-installation Poor foundation ○ ○ ○ Renovation Processing of contact part, Contact with the rotator? ○ ○ ○ ○ ○... - Page 16 Note on your purchased blower Fan identification information that you may need when making an inquiry of us. Model Serial No. Purchased on Date Starting day Date Distribution agent In charge: SHOWA DENKI CO., LTD. 1-25 Shinden, Kita-machi, Daito City, Osaka 574-0052, Japan http://www.showadenki.co.jp...
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