Standard user guide
V51-00-V19 eng
-7- Rights to changes reserved
2 Installation
2.1 Generally
The SPEED-COMMANDER frequency inverter makes it possible to regulate the speed of a 3-phased AC
motor in power ranges until 22Kw
This manual must follow the inverter to secure correct installation. Please check the following points:
• Is the supplied device in the ordered power range?
• Is the inverter damaged under transportation?
• Is internal parts or connections plugs damaged or loose?
2.2 Mounting and installation
Safety precautions:
• Connection and setup must be carried out by trained personal.
• Trained personal must be familiar with all the safety precautions in this manual.
• Avoid touching the high voltage parts while powered up and until 5 min after mains power is
removed.
• When working with electrical systems always have a second trained person present in case of
emergency. This person could stop the system and give first aid.
• The motor terminal might contain high voltage even when motor not running.
• The inverter might start unwanted after power up (depends on the parameter setting).
• Connection and setup must be carried out in order of the electricity regulations.
Mounting description:
• The inverter must be mounted vertically to ensure that the heat sink functions correct and air can flow
freely through.
• When mounting inside a box ensure that there are at least 80mm for SC-750/5 to SC3-2200/5 and
100mm for SC3-4000/5 to SC3-22000/5 of free space over and under the inverter.
• In some cases it might be necessary to make calculations on the heat caused by the heat loss in the
inverter to ensure long lifetime.
• Avoid strong vibrations.
• The surrounding conditions of the inverter have influence on the lifetime and functionality of the
device.
Following demands must be kept:
• Ambient temperature 0º C to +40º C
• Humidity less than 90% (non condensation)
• Protection against noise, metal particles, humidity, corrosion and explosive gasses.
• Max. Altitude 1000m above sea
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