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2.9

  

Drive Environmental Conditions 

 

A.

 

Environment - Indoors NEMA 1 metal enclosure, plastic shall not be acceptable. 

B.

 

Ambient temperature - 14

°

F to 104

°

F (up to 122

°

F with cover removed). 

C.

 

Altitude - 3,300 feet maximum without derating. 

D.

 

Relative humidity - 95% maximum (no condensation allowed). 

E.

 

Vibration - 0.5G maximum. 

 

Part 3 – Start-up, Training and Warranty 
 

A.

 

Start-up and service is available as an additional option 

B.

 

The drive manufacturer shall guarantee the operation of the drive against failure 
due to defects for 30 months after shipment or 24 months of service, whichever 
comes first. 

C.

 

If factory authorized personnel perform the startup of the drive the standard 
warranty is increased to 24 months. 

D.

 

The drive manufacturer shall supply a recommended list of spare parts and pricing 
through our spare parts list book. 

Содержание E3

Страница 1: ...ionnaire E ISO 9001 1 2 Submittal Submittals shall include Toshiba standard operation manual Schematics can be obtained from factory upon request PART 2 E3 VARIABLE FREQUENCY DRIVE 2 0 General A This specification covers AC adjustable frequency drives for HVAC applications B The manufacturer shall not have less than fifteen years of experience in the manufacture of VFD s C The manufacturer shall m...

Страница 2: ... Control with Automatic energy saving control B The drive shall have two 2 frequency priority selection feature C The drive shall be capable of setting both upper and lower limit frequencies D The ASD shall automatically adjust the PWM carrier frequency proportional to speed The range of automatic adjustment shall vary from 15khz to 5khz The minimum acceptable full speed carrier frequency 60 Hz wi...

Страница 3: ...the following user selectable contingencies in the event of loss of analog control signal while the drive is running before loss i Run at the user set lower frequency limit ii Run at the user set upper frequency limit iii Trip with a signal loss fault iv Run at user selected percentage of the last valid frequency signal 2 4 Operational Functions A The drive shall contain two separate acceleration ...

Страница 4: ...pulse train output proportional to frequency 48 96 360 times frequency 2 6 Protective Features A The drive shall contain three critical frequency jump points with individual bandwidth B The drive shall be UL rated for 200 000 AIC without the use of input fuses C All drives 460V 25HP and above shall be equipped with a 3 impedance DC link D The drive shall have external fault input E The drive shall...

Страница 5: ...erter overheat trip 17 Emergency off trip message 18 EEPROM failure during write cycle 19 EEPROM abnormality during initial reading 20 RAM error 21 ROM error 22 CPU error 23 Communication interruption error 24 Gate array error 25 Output current detection circuit error 26 Option PCB error trip 27 Low operating current trip 28 Main circuit under voltage trip 29 Over torque trip 30 Software detected ...

Страница 6: ... all parameters to factory default settings or user defaults whichever one is chosen H The drive shall have an elapsed time meter and will save the past four faults in memory 2 8 Optional features A 12 pulse diode rectification for maximum harmonics attenuation shall be available for 460V drives 25HP through 100HP B Pneumatic interface 3 15psi transducers are available upon request C Isolated inpu...

Страница 7: ...um Part 3 Start up Training and Warranty A Start up and service is available as an additional option B The drive manufacturer shall guarantee the operation of the drive against failure due to defects for 30 months after shipment or 24 months of service whichever comes first C If factory authorized personnel perform the startup of the drive the standard warranty is increased to 24 months D The driv...

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