Warnings, Cautions and Notes

Issue 10/06

Warnings, Cautions and Notes

The following Warnings, Cautions and Notes are provided for your safety and as a means of preventing damage to the product or components in the machines connected. Specific Warnings, Cautions and Notes that apply to particular activities are listed at the beginning of the relevant chapters and are repeated or supplemented at critical points throughout these sections. Please read the information carefully, since it is provided for your personal safety and will also help prolong the service life of your MICROMASTER 440 Inverter and the equipment you connect to it.

WARNING

¾This equipment contains dangerous voltages and controls potentially dangerous rotating mechanical parts. Non-compliance with Warnings or failure to follow the instructions contained in this manual can result in loss of life, severe personal injury or serious damage to property.

¾Only suitable qualified personnel should work on this equipment, and only after becoming familiar with all safety notices, installation, operation and maintenance procedures contained in this manual. The successful and safe operation of this equipment is dependent upon its proper handling, installation, operation and maintenance.

¾The DC link capacitors remain charged for five minutes after power has been removed. It is not permissible to open the equipment until 5 minutes after the power has been removed. The drive unit discharges itself during this time.

¾This equipment is capable of providing internal motor overload protection in accordance with UL508C section 42. Refer to P0610 and P0335, i2t is ON by default. Motor overload protection can also be provided using an external PTC or KTY84.

¾This equipment is suitable for use in a circuit capable of delivering not more than symmetrical 10 kA (rms) (Frame Sizes A to C) or symmetrical 42 kA (rms) (Frame Sizes D to GX), for a maximum voltage of 230 V / 460 V / 575 V when protected by an H, J or K type fuse, a circuit breaker or self-protected combination motor controller (for more details see Operating Instructions Appendix F).

¾Use Class 1 60/75 °C copper wire only with the cross-sections as specified in the Operating Instructions.

¾The mains input, DC and motor terminals, can carry dangerous voltages even if the inverter is inoperative. Always wait 5 minutes to allow the unit to discharge after switching off before carrying out any installation work.

NOTE

¾Before installing and commissioning, please read these safety instructions and warnings carefully and all the warning labels attached to the equipment.

¾Please ensure that all of the warning labels are kept in a condition so that they can be easily read and replace missing or damaged labels.

¾Maximum permissible surrounding ambient temperature is:

Frame Sizes A-F:

50 °C at constant torque (CT) and 100 % permissible output current 40 °C at variable torque (VT) and 100 % permissible output current

Frame Sizes FX and GX:

40 °C at 100 % permissible output current

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MICROMASTER 440

Operating Instructions (Compact)

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Siemens 440 operating instructions Issue 10/06