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Gust  Blower  U2G  Type

 

Instruction Manual 

(Original Instructions) 
 

Thank you for purchasing the Gust Blower. 

This instruction manual provides information for the  customer to safely use this blower. 

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  ・  ・  ・  ・  ・  ・  2     

7      Operation    ・  ・  ・  ・  ・  ・  ・  ・  12 

2    Specifications  ・  ・  ・  ・  ・    2     

8      Maintenance and Inspection  ・  ・  15 

3    Product Configuration  ・  ・  6     

9      Troubleshooting  ・  ・  ・  ・  ・  ・  16 

4    Installation  ・  ・  ・  ・  ・  ・    7   

10      Warranty  ・  ・  ・  ・  ・  ・  ・  ・  ・  18 

5    Piping  ・  ・  ・  ・  ・  ・  ・  ・    9   

11      Reference  ・  ・  ・  ・  ・  ・  ・  ・    18 

6    Electrical Work  ・

 

・  ・  ・    11 

12      Disposal    ・  ・  ・  ・  ・  ・  ・  ・    18 

 

 

     

 
1.

 

This product must never be disassembled, repaired or modified by any person   

other than a qualified repair technician. Improper repairs could result in electric   
shocks or fires. 

2.

 

Always turn the power OFF, lock it, and make sure that power is not being supplied   
before starting the maintenance service. Failure to observe this could result in electric 
shocks or injuries. 

3.

 

Connect the ground wire properly, and install a dedicated earth leakage or disconnector 
on the power supply side. Failure to observe this could result in earth leakages,   
electric shocks or fires. 

4.

 

Do not touch the blower, motor or discharged air during operation. These sections 
will be very hot, and touching them could result in burns. 

 

Read the entire user manual l to be familiar with the features of this product before operating. 

Failure to operate the product correctly can result in damage to the product, personal property, 
and cause serious injury. 

※ We will not be liable for any accidents if you do not comply with the above. 
The precautions are classified as “Warning” and “Caution” to alert of the degree of injury or 

damage that could occur if handling is mistaken.

   

In either case, these are important matters related to safety, and must be observed. 

 

Warning

  :Details which if ignored could lead to fatalities or serious injuries. 

 

             

        Caution

  :Details which if ignored could lead to personal injuries or physical damage.   

 

 

Special Notes

 

 

No

.    8750

1810 

Summary of Contents for Showa Denki U2G-70T

Page 1: ...re to observe this could result in electric shocks or injuries 3 Connect the ground wire properly and install a dedicated earth leakage or disconnector on the power supply side Failure to observe this could result in earth leakages electric shocks or fires 4 Do not touch the blower motor or discharged air during operation These sections will be very hot and touching them could result in burns Read...

Page 2: ...le may not be covered by warranty 7 When contacting us check type and serial number 8 For disposal method of unnecessary parts and packing material check with each local government 2 Specifications Always use this blower within the specified product specifications Failure to do so could result in electric shocks fires or air leaks etc The blower is manufactured for general industry use and the dis...

Page 3: ...U2G 70T 50Hz 61 dB A 60Hz 64 5 68 0 dB A U2G 150 50Hz 65 5dB A 60Hz 68 5 75 6 dB A U2G 370A 50Hz 67 5 dB A 60Hz 70 0 73 9 dB A U2G 370B 50Hz 67 5 dB A 60Hz 70 0 73 9 dB A Minimum airflow for continuous Use at least the minimum amount of air Refer to sections 2 4 2 5 Motor Type Totally enclosed fan cooled indoor type Phases 3phase Voltage 200V Type 50Hz 200V 60Hz 200 220 230V 400V Type 50Hz 380 400...

Page 4: ...continuous suction m3 min 3 0 0 0 0 0 0 0 7 1 5 Approx weight kg 22 5 33 48 55 1 Within 5 3 rated frequency at motor 2 Within 10 rated voltage at motor Note For specifications other than those listed above please check the delivery specifications Type U2G 70TC U2G 150C U2G 370AC U2G 370BC Output kW 0 75 1 5 3 7 3 7 Frequency Hz 1 50 50 50 50 Rated voltage V 2 200V class 200 200 200 200 Rated curre...

Page 5: ...15 4 6 5 Static pressure kPa 7 8 8 8 12 10 Minimum airflow for continuous discharge m3 min 4 0 1 1 3 1 6 3 3 208V 2 7 Minimum airflow for continuous suction m3 min 4 0 0 0 1 5 Approx weight kg 22 5 33 48 55 1 Within 5 3 rated frequency at motor 2 Within 10 rated voltage at motor Note For specifications other than those listed above please check the delivery specifications 4 Minimum airflow for con...

Page 6: ... 6 3 10 1 2 4 14 15 13 12 11 5 8 9 7 6 Caution label 3 Product Configuration 3 1 Structural drawing ...

Page 7: ...ion could result in electric shocks fires or injuries from dropping 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 air leaks electric shocks or injuries Do not install in places such as machine or chemical plants where harmful gases from acids alkalis organic solve...

Page 8: ...nstall in location where there are obstacles that may obstruct ventilation for motor cooling It may cause damage burnout or fire When installing a terminal box cover be careful not to get your fingers caught Failure to do so may cause injuries to fingers When unpacking be careful of needles and staples There is a risk of injuries Do not cover the product with the plastic bag from the packaging The...

Page 9: ...o not put fingers in the discharge or suction port while driving There is a risk of injuries 3 Attach a special accessory or a commercially available air filter to the discharge and suction port Do not inhale the release powder of the sound absorbing material There is a risk of suffocations or damaged Note If the piping is long or thin or has many bents or obstacles the static pressure and air vol...

Page 10: ...ge side will be high depending on the amount of air used please use a pipe made from metal or high heat resistance For threaded piping Fix the piping with suspension fittings or brackets etc so that the weight of the pipe or external loads is not applied on the blower connection Piping Commercial nipple Hose band clexible hose Commercial nipple clange Piping Packing ...

Page 11: ...r fires Clean off any dust from the power plug wiring connectors connections and terminals An electrical discharge on dust could cause heating or fires Confirm whether a wiring joint and a connection part become loose or disconnected If it loose or disconnected on point failure to observe this could result in electric shocks or fires Refer to the connection diagram inside the terminal box or this ...

Page 12: ...ase of a power outage turn off the power switch and lock it in the off position When the power is restored there is a risk of product damage or the blower may suddenly start operating and may cause injury Do not bring hands and foot 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 suspend Ther...

Page 13: ... due to insulation breakage Do not throttle the amount of air below the minimum amount of air that can be discharged and used continuously Failure to observe this could result in injuries or burns 7 1 Trial operation 1 Verify that the earth leakage breaker capacity the power supply voltage and the wiring are correct 2 Confirm that no objects are placed around the suction port and discharge port Th...

Page 14: ...rse run not possible 3 Note that the discharge air temperature will increase according to the amount of air being used Discharge air temperature rise curve Suction Pressure feed Blower Open side Load side Changeover valve Changeover valve Blower 60Hz 50Hz Airflow rate m3 min Airflow rate m3 min Temperature rise Temperature rise U2G 370A U2G 70T U2G 150 U2G 370A U2G 70T U2G 150 Bypass hole Use on t...

Page 15: ...irs could lead to electric shocks fires or air leaks If insulation resistance value reduce 1MΩ or less contact the place of purchase or a designated service center There is a risk of electric shocks or air leaks Always use genuine our company parts for repairs Use of non genuine parts could cause faults and accidents In addition proper functions may not be achieved Do not touch power supply or ope...

Page 16: ...deline for replacement Parts name Replacement frequency Estimated condition Bearing 2 years When generation of heat noise and unusual vibration occur Sound absorbing material 2 years When the noise increases or when the sound absorbing material has hardened or deformed If abnormal in daily maintenance and check we will recommend you repair a little early If the sound absorbing material degrades pa...

Page 17: ...tion Parts are worn out Contact your dealer The pressure loss in the pipe is high Review piping Overload over current occurs Voltage is too low or unbalanced Adjust voltage The bearing of a motors is worn out or damaged Inspect and repair The operation exceeds the minimum airflow for continuous discharge Review the working airflow 22 23 There is vibration or abnormal noise Installation defect Chec...

Page 18: ...utions 2 Failure or damage caused by unreasonable repair or modification including drilling holes in the product by a party other than our company 3 Failure or damage due to dropping transportation etc after purchase 4 Failure or damage caused by fire earthquake wind and flood damage lightning other natural disasters abnormal voltage unspecified power source voltage frequency etc 5 Failure or dama...

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Page 21: ... 21 Sales KAWAMOTO GEC Inc Head office 11 39 Osu 4 chome Naka ku Nagoya 460 8650 Japan Manufacturer ...

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