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Showa Denki U2S, Operation And Safety Manual

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Showa Denki U2S Operation And Safety Manual Download Page 4

013(E)-E 

-3- 

 

 
 

Model with IE3 

electric motor 

installed 

 

（

Applicable 

models:

）

 

U2S-H220/H370/ 

H750 

No. of 

terminals 

50Hz 

60Hz 

200V 

220V 

9 

 

9 

60Hz 

200V 

 

9 

60Hz 

380V/400V 

 

 
 
 
 

Table 2.

 

Connecting outlet line (IE3) 

：

Metal plate 

Figure 3.  Δ wiring 

Figure 4. YY wiring 

Figure 5. Y wiring 

Power line inlet 

Power line inlet 

Power line inlet 

Summary of Contents for U2S

Page 1: ... this Showa Denki blower This Operation Manual describes the specifications for Gust Blower Type U2S Please read this Operation Manual carefully in particular where marked with a symbol for safe and efficient use of this blower Please keep this Operation Manual accessible for future use ...

Page 2: ...o let out the air under such usage conditions Temperatures The maximum allowable ambient temperature and gas temperature at the inlet are 40 The casing temperature while in operation is very high Avoid touching to prevent burns Installation The gust blower can be installed in any axial direction unless its cooling effect is impaired Keep the ventilation grid and openings clean The direction of flo...

Page 3: ... 1 Fig 1 2 according to the model power supply voltage and frequency to be used Wiring for U2S H220 H370 H750 For IE3 products the metal plate is removed at the time of product delivery It is included in the metal plate terminal box Connect the metal plates as shown in Table 2 Figures 3 to 5 according to the voltage in use The metal plate may be left over depending on the voltage used Use it if ch...

Page 4: ...plicable models U2S H220 H370 H750 No of terminals 50Hz 60Hz 200V 220V 9 9 60Hz 200V 9 60Hz 380V 400V Table 2 Connecting outlet line IE3 Metal plate Figure 3 Δ wiring Figure 4 YY wiring Figure 5 Y wiring Power line inlet Power line inlet Power line inlet ...

Page 5: ...fective at a gas inlet and ambient temperatures of 40 The motor current will rise by 6 at a gas inlet and an ambient temperature of 20 Set the motor protection circuit breaker to the rated current value Be sure to connect a grounding wire to prevent electric shock hazards ...

Page 6: ...E1 U2S 70T 3 0Ａ 4 0Ａ 3 8Ａ Fig 1 IE1 U2S 150 7 0Ａ 8 8Ａ 8 5Ａ Fig 1 IE1 Table 5 IE3 Electric Motor 200V class Rated current Wiring IE code Frequency 50Hz 60Hz Voltage 200V 200V 220V U2S H220 9 9Ａ 12 0Ａ 10 4Ａ 50Hz Fig 3 IE3 60Hz Fig 4 IE3 U2S H370 17 1Ａ 19 6Ａ 16 9Ａ 50Hz Fig 3 IE3 60Hz Fig 4 IE3 U2S H750 30 8Ａ 35 2Ａ 30 5Ａ 50Hz Fig 3 IE3 60Hz Fig 4 IE3 Table 6 IE1 Electric Motor 380 400V Rated Current S...

Page 7: ... 1 IE1 U2S 150 7 0Ａ 8 8Ａ 8 5Ａ 7 0Ａ 8 8Ａ 8 5Ａ Fig 1 IE1 Table 9 IE3 Electric Motor 200V class Discharge side Suction side Wiring IE code Frequency 50Hz 60Hz 50Hz 60Hz Voltage 200V 200V 220V 200V 200V 220V U2S H220 9 9Ａ 12 0Ａ 10 4Ａ 9 9Ａ 12 0Ａ 10 4Ａ 50Hz Fig 3 IE3 60Hz Fig 4 IE3 U2S H370 17 1Ａ 19 6Ａ 16 9Ａ 13 1Ａ 18 4Ａ 16 9Ａ 50Hz Fig 3 IE3 60Hz Fig 4 IE3 U2S H750 30 8Ａ 35 2Ａ 30 5Ａ 22 9Ａ 32 6Ａ 30 5Ａ 50H...

Page 8: ...re below the maximum operating static pressure and current If pressure is above the maximum operatic static pressure provide a bypass hole to let air out Operating status No abnormal vibration or noise If any please contact us Maintenance inspections We recommend checking for any deterioration in insulation and for abnormal vibration or noise every three months The motor bearing uses a sealed ball...

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