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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 
incurred by the customer, lost operation, or any other indirect loss or damage suffered by the 
customer. 

  For requests for repair service, please contact our nearest branch or sales office. 

 

Warranty period 

One (1) year from the date of delivery of the product. 

 

Even during the warranty period, only    charged service is provided in principle, if any of the 
following applies: 

  Failure or damage due to incorrect use that is not compliant with these Operating Instructions, 

labels attached to the body, or other instructions, and/or unauthorized repair or modification 

  Failure or damage due to transportation, dropping, etc. after the purchase 

  Failure or damage due to fire, earthquake, storm, flood, lightening or other natural disasters, 

environmental factors such as salt damage and public pollution, abnormal voltage, use of a 
power supply (voltage or frequency) other than that specified, or the like 

  Failure or damage due to repair or modification (including punching, etc. in the product) not 

conducted by our company 

  Failure or damage due to the use of parts other than those designated by our company 

  Failure or damage due to the entry of foreign material 

  Discoloration, scratching, natural consumption of consumable parts or other defects due to 

use or deterioration over time 

  Failure or damage caused by neglecting the maintenance and inspection described in the 

Operating Instructions 

 

We will not compensate for any loss or damage resulting from defects that occur during the 
use of this product. 

 

[Notices] 
(1)  The descriptions in these Operating Instructions are subject to change without prior 

notification in the future. 

(2)  We have made all possible efforts to prepare these Operating Instructions. However, if you 

have any questions about them or find any inquiries, errors, omissions, etc., please contact 
our nearest branch or sales office. 

(3)  If the power supply frequency changes due to a change in the location where the blower is 

used, it may not be used as it is. We will consider a measure in each case where it is 
required. In such a case, please contact our nearest branch or sales office. 

(4)  At the time of inquiry, please describe the product type and the manufacturing number 

indicated on the product nameplate. 

 

Summary of Contents for 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: ...rence Applicable types for this instruction manual This manual provides instructions on how to set up and use the following fan types Fan type KAIRYU series Axial fan with adjustable at rest blades Fa...

Page 3: ...pon receipt and product verification 8 3 2 Movement transportation 8 3 3 Storage until installation 8 4 Installation 8 4 1 Mounting 8 4 2 Connection to ducts 9 4 3 Electrical wiring 10 4 4 Test operat...

Page 4: ...e of this do not place your face close to the outlet When hanging be sure to use the holes labeled Hang here Hanging by other parts may result in deformation of the fan or cause an accident by tipping...

Page 5: ...If this occurs avoid operation at those frequencies Shipment inspection of the fan is performed only at the rated rotation speed Operation at other speeds frequencies is not guaranteed Operation testi...

Page 6: ...acceleration time is short an over current error may occur Deceleration time 30 to 60 sec or more If the decceleration time is short a regenerative current error may occur 3 Other precautions Vibratio...

Page 7: ...formance number Blade angle number Voltage V Frequency Hz Indication types contents A Axial fan 1 Low noise type low speed specifications D Motor direct drive type 3 300 A 0 4 1 Large Air volume Small...

Page 8: ...A or AC4C 5 Impeller hub FC200 6 Casing SS400 SPHC 7 Motor 8 Terminal box When using a flange mounted motor When using a foot mounted motor Note The diagram is an example and shows typical part shapes...

Page 9: ...for lifting For safety the fan should be lifted by at least 2 labeled hangers except for products with only 1 hanger Lifting should be performed by licensed personnel only 3 3 Storage until installati...

Page 10: ...ition vertical mounting of fans with foot mounted motors is not correct If the fan will be mounted in a high location and especially frequent inspection or repairs are expected lifting equipment shoul...

Page 11: ...er to the motor instruction manual Be sure to wire the fan properly so that the rotation direction is correct For details refer to section 4 4 4 4 Test operation Before performing test operation be su...

Page 12: ...are recorded abnormalities can be detected early to prevent problems 1 Check for vibration or abnormal sound once every three months and inspect the insulation once a year Inspect the motor while ref...

Page 13: ...of 6mm s Possible causes of vibrations Unbalance of impeller due to dust adhesion Deformation damage of impeller or casing Abnormality of motor shaft or bearings Looseness due to loose bolt Stall oper...

Page 14: ...actors such as salt damage and public pollution abnormal voltage use of a power supply voltage or frequency other than that specified or the like Failure or damage due to repair or modification includ...

Page 15: ...of oil Replacement or recycling Inappropriate material Replacement Unbalanced impeller Correction Deformation or damage of impeller Repair or replacement Wear or corrosion of impeller Repair or repla...

Page 16: ...n information that you may need when making an inquiry of us Model Serial No Purchased on Date Starting day Date Distribution agent TEL In charge SHOWA DENKI CO LTD 1 25 Shinden Kita machi Daito City...

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