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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.
'1 Introduction ・ ・ ・ ・ ・ ・ 2
'2 Specifications ・ ・ ・ ・ ・ 2
'3 Product Configuration ・ ・ 6
'4 Installation ・ ・ ・ ・ ・ ・ 7
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.
＜
Contents
＞
'7
'8
Maintenance and Inspection ・ ・ 15
'9
Troubleshooting ・ ・ ・ ・ ・ ・ 16
'10
Warranty ・ ・ ・ ・ ・ ・ ・ ・ ・ 18
'11
Reference ・ ・ ・ ・ ・ ・ ・ ・
11 '12
Special Notes
- 1 -
・ ・ ・ ・ ・ ・ ・ ・ 12
・ ・ ・ ・ ・ ・ ・ ・
18
Ｎｏ. 8750－1810
18
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Table of Contents
Summary of Contents for Kawamoto Pump Showa Denki U2G-70T
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Page 1: Table Of Contents
Ｎｏ. 8750－1810 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. -
Page 2: Introduction
Introduction Please check the following items upon receipt of the product. If there are any problems, contact your dealer. 1. Confirm the upside of the package and open the package carefully. Failure to do may result in injuries. 2. Open with care, after check top and bottom. Failure to do may result in injures. 3. - Page 3 ２．１ Product specifications Contents General air (free of explosive or corrosive gases) Temperature －10～40℃ Humidity 90%RH or less (with no dew condensation) Always use the blower Indoor in a location free of flammable gas or steam and at an altitude 1,000m or lower. Installation Ambient -10 to 40°C (Use is not possible in sealed indoor area or in case)
- Page 4 ２．４ Table Type U2G-70T U2G-150 U2G-370A U2G-370B Output [kW] 0．75 1．5 3．7 3．7 Frequency [Hz] *1 Rated voltage [V] *2 200V class 16.3 Rated current [A] 12.3 12.3 15.3 200V class Rated voltage [V] *2 400V class Rated current [A] 400V class Airflow [m /min]...
- Page 5 Type U2G-70TU U2G-150U U2G-370AU U2G-370BU Output [kW] 0．75 1．5 3．7 3．7 Frequency [Hz] *1 Rated voltage [V] *2 200V class Rated current [A] 11.5 200V class 11.0 Rated voltage [V] *2 400V class Rated current [A] 400V class Airflow [m /min] 3.15 Static pressure [kPa]...
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Page 6: Product Configuration
※Caution label Product Configuration ３．１ Structural drawing ― 6 ―... -
Page 7: Installation
Name Material Name Material Bearings ― Bolt SWRM Bearings ― Casing cover FCD500 Motor bracket FC200 Support SPCC Casing ADC12（AC4A） Sound absorbing material PUR（MF） Spacer C2801P Case cover ADC12（AC4A） Impeller ADC12（AC4A） Impeller washer SPCC Fan cover SPCC Washer with outer claw SPCC (Note) The specifications and structure, etc., are subject to change without notice. - Page 8 CAUTION ●Do not apply impact on the devices, or tilt over. There is a risk of damage. ●Prepare a spare blower in case the blower stop working. Equipment may stop working. ●Screw the companion flange into the piping after removed from the blower. There is a risk of damage. ●Do not place objects or people on top of the device.
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Page 9: Piping ・ ・ ・ ・ ・ ・ ・ ・ 9 '11
４．Installation direction Acceptable Acceptable Acceptable Not acceptable Not acceptable ※U2G-370B series is horizontal only. ５．When installing, make sure to fix it using the mounting holes in the blower securely. Dimensions for installation is as follows. TYPE U2G-70T U2G-70TC U2G-70TU U2G-150 U2G-150C U2G-150U U2G-370A... - Page 10 ４． Connection For hose Hose band Commercial nipple clexible hose Hose band clexible hose Select a flexible hose that can withstand the blower pressure. The temperature on the discharge side will be high depending on the amount of air used, please use a pipe made from metal or high heat resistance.
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Page 11: Electrical Work ・ ・ ・ ・ 11 '12
Electrical Work WARNING ●The electrical work must be completed according to the local regulations. Improper writing and connections could lead to earth leakages or fires. ●Always earth the device before turning the power on. Do not connect the earthing wire to gas pipes, lightning rods, or telephone earthing wires. -
Page 12: Operation
６．２ Always connect the protective conductor to the terminal with the following symbol： ６．３ The wiring should refer to local regulations. ６．４ For the selection of RCDs, refer to "2.4 Specifications" or the rated current value on the nameplate. ６．５ Please contact the place of purchase for the selection of overload protection devices. Blowers have a longer start-up time than general rotating machinery, so the starting current The overload protection device may be triggered by the starting current. - Page 13 CAUTION ●Do not place flammable objects near the blow. Failure to observe this could result fires if a power plug generates heat and ignites. ●When resuming operation after a long-term storage or suspended, refer to the "Installation" and "Operation" sections and perform trial operation. The blower could be lock and the motor burnout if parts are stuck, etc.
- Page 14 Use on the suction side Bypass hole Valve (for adjusting amount of suction) Piping side ２．When using air intermittently, recommended to use the changeover valve on the top of the pipe.. When using air by starting and stopping the motor, limit the sequence to max. 15 times/hour. Open side Changeover valve Changeover valve...
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Page 15: Maintenance And Inspection
(Note１) The value obtained by adding the suction air temperature is the discharge air temperature. (Note２) Continuous use is possible only at the solid line section ( ４．Observe the inverter manufacturer's EMC instructions when using the inverter as described below. ・The airflow can be freely adjusted even during variable speed operation with the inverter. -
Page 16: Troubleshooting
Please check the following inspection items from time to time, and perform maintenance and replace consumable parts as necessary. Wear appropriate protective equipment such as helmets and gloves when working. ８．１ Daily inspection Check item Failure criterion Noise value/vibration No change from the time of installation. In order to discover abnormalities early, it is important to get to know a daily change. - Page 17 Please contact your dealer or designated service center. Refer Problem Cause Countermeasure page The short circuit breaker is OFF. Check the switch and power circuit. － Power supply problem. Inspect and repair. － Blower does not The blower id connected with a run.
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Page 18: Warranty
Warranty １０．1 Scope of warranties If the product malfunctions within the warranty period when used in accordance with the instructions in the instruction manual, labels attached to the product, etc., we will repair it free of charge. However, if this product is incorporated into the customer's equipment, the cost of removing it from the equipment, installing it on the equipment, etc., and other incidental construction costs, transportation costs, etc., and the opportunity loss caused to the customer, operational losses and other indirect damages are not covered by the warranty. - Page 19 ― 19 ―...
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- Page 21 Sales Manufacturer KAWAMOTO GEC Inc. Head office：11-39, Osu 4-chome, Naka-ku, Nagoya, 460-8650 Japan ― 21 ―...