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FT KP Series Instruction Manual

Centrifugal fan
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Instruction Manual
Centrifugal Fan
Turbofan
Type KT/KTS/KP
Note
Thank you for selecting a Atai Fan.
To ensure safety and maximum service life of the fan, please read this instruction manual thoroughly
prior to operation, inspection and maintenance. Keep this manual carefully at hand so that it can be
consulted anytime when operating, inspecting or maintaining the fan.
For contractors who carry out equipment work:
Please be sure to deliver this manual to user(s) who will carry out operation, inspection and
maintenance of the fan.
Atai Fuji Motor Co., Ltd.

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  • Page 1 Instruction Manual Centrifugal Fan Turbofan Type KT/KTS/KP Note Thank you for selecting a Atai Fan. To ensure safety and maximum service life of the fan, please read this instruction manual thoroughly prior to operation, inspection and maintenance. Keep this manual carefully at hand so that it can be consulted anytime when operating, inspecting or maintaining the fan.

  • Page 2: Limited Warranties

    Limited warranties In the event of failure or breakage under proper use of the product during the warranty period, equipment supplied by Atai Fuji Motor. will be repaired or replaced free of charge within the scope of the relevant part, provided that such failure or breakage is attributable to inadequacy of the design or workmanship of the equipment.

  • Page 3: Table Of Contents

    Purpose of this manual The purpose of this manual is to provide the user with detailed information necessary to properly operate, maintain and inspect the fan. This manual contains the following information and is intended for persons experienced in the operation of fans, or for those who have been trained by such experienced persons.

  • Page 4: Safety Precautions

    1. Safety precautions Types and meanings of warning terms This instruction manual divides precautions into the following four categories according to the level of hazards (or the severity of the accident). Be sure to understand the meanings of the following terms and comply with the content (instructions) of the instruction manual.

  • Page 5: Precautions For Operation

    1.2.2 Precautions for operation (1) Before starting the fan, ensure that all the relevant workers are informed of the operation and that there are no workers in the dangerous zone. (2) Only those who are authorized by the site manager are allowed to operate the fan. (3) Be sure to attach the terminal box cover of the motor before turning on the power.
  • Page 6 KT-010S/010T/020S/020T/040S/040T/100T (same positions also for heat resisting types) Label 1 Nameplate Label 2 (For hot gas types) KT- * 075/ * 150/ * 220/ * 370 (The asterisks “*” are replaced by “5,” “6,” or “B.”) Nameplate 銘 板 Label 1 ラ...

  • Page 7: Configuration And Overview Of The Fan

    2. Configuration and overview of the fan Structure and part names of the fan KT-010S/010T/020S/020T/040S/040T/100T Part name Fan casing Impeller KT- * 075/ * 150/ * 220/ * 370 Suction flange *1 Discharge flange *1 Motor *1: It is not included in model KTS.

  • Page 8: Specifications And Accessories Of The Blower

    Specifications and accessories of the blower If you purchased a standard product, refer to the standard specifications in the following table. For a custom-made product with special specifications, refer to the specifications including the external dimensions drawing. Caution Do not use this product under any conditions other than those provided in the specifications.

  • Page 9: Placement And Installation

    Outdoor type Structure Hot gas type (Gas at over 150°C and up to 250°C) modifications Special orientation of discharge flange Different voltage Motor modifications Enhanced-safety, pressure-resisting or explosion-proof type, corrosion resisting type and high efficiency type *2： As model KTS is made of stainless steel, only acid pickling is available without coating.

  • Page 10: Precautions During Transportation And Storage

    Precautions during transportation and storage 3.2.1 Precautions for transportation Note · Do not get under the lifted fan. The fan may fall onto you. · Ask a specialist company to move and place the fan in consideration of the center of gravity and its mass. ·...

  • Page 11: Foundation

    If the coating film is flawed, perform repair coating to prevent the generation of rust. Foundation (1) The foundation must be strong enough to support the weight and the load and vibration produced by the fan during operation. (2) The foundation concrete should be constructed so that it remains level and is not affected by ground subsidence.

  • Page 12: Precautions For Connecting The Ducts

    (10) Check that the mortar has not contracted or cracked. If drain pipes are necessary, provide a drain pit. (11) When installing a vibration insulating device, fasten the vibration insulating base with the foundation bolts. Precautions for connecting the ducts Caution Do not allow the ducts to exert any load on the fan.
  • Page 13 5D or more （D means fan blade dia ） When θ exceeds 7° When straight duct is installed Wrong Correct When bend section is Attaching vanes at bend or near to discharge port rectangular bend section Wrong Correct When local resistance becomes When bellmouth is attached to excessive reduce local resistance...

  • Page 14: Precautions For Wiring Work

    Precautions for wiring work Warning Use high-quality wiring equipment and devices, and carry out wiring work safely and securely according to the technical standards for electrical facilities, as well as the indoor wiring regulations. Only qualified personnel such as licensed electrical engineers are allowed to carry out electrical wiring work.

  • Page 15: Preparation For Operation

    4. Preparation for operation Points to be checked before test running 4.1.1 Checking the electrical system (1) Check that the fan is correctly wired. (2) Check the frequency. Running the fan at other than designated frequency may cause performance degradation, or motor burnout, and damage to impeller and main shaft.

  • Page 16: Trial Run

    Trial run 4.2.1 Precautions at the time of starting the fan (1) Close the damper and turn the unit ON and OFF once or twice to confirm that the unit is operating normally without any unusual noise or vibrations. At that time, check the rotation direction of the fan through the external fan of the motor.

  • Page 17: Precautions When Stopping The Operation

    Warning In the event of power failure during operation, be sure to turn off the power switch. The fan may suddenly start up on restoration of the power, which leads to a danger. 4.2.3 Precautions when stopping the operation (1) When stopping the fan, close the damper slowly and then turn the power switch off. (2) If air exceeding 200°C is used, cool down the inner casing slowly and completely by closing the damper and running the fan for a certain period.

  • Page 18: Maintenance And Inspection

    6. Maintenance and inspection (On the motor casing or the bearing housing) Daily inspection (1) Check the vibration, noise, current value, etc. of the fan. If there is any unusual condition, it may be Unacceptable a sign of failure; therefore, take the appropriate measures as soon as possible.

  • Page 19: Troubleshooting

    7. Troubleshooting Troubleshooting Even if the same failure occurs, the cause and action may be different. In addition, there may be two or more causes. If the cause and action cannot be determined using the following table, stop the operation immediately and contact a specialist company or the service center specified by the manufacturer.

  • Page 20: Special Accessories

    8. Special accessories Dampers (1) Refer to the external dimensions drawing (supplied separately), and install the dampers in the designated locations paying attention to the direction of the air flow. (2) Open and close the vane to check that the blade does not contact the casing or ducts. (3) For electric, pneumatic or other driving systems, carefully read their instruction manuals.
  • Page 21 Atai Fuji Motor Co., Ltd. No. 32, Sec. 2, Chang-hsing Rd., Lu-Chu Hsiang, Taoyuan Hsien, Taiwan TEL: +886-3-321-3030 / FAX: +886-3-321-7890 http://www.ataifuji.com.tw/ AF-A-015-0...

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