Toshiba TOSVERT VF-AS3, Instruction Manual

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E6582062 
2. Installation and wiring
2-10
2
9
In the following cases, covers of the inverter should be removed.
• Wiring of the power circuit/control terminal block (refer to [2. 3. 2])
• Switching of the control terminal block (refer to [2. 3. 5])
• Switching of the grounding capacitor (refer to [2. 3. 4])
• Mounting of the DC reactor attached with frame size A7 and A8 (refer to [2. 3. 7])
• Mounting of insert type options (refer to [10. 4])
• Connection change of the cooling fan power supply when a DC power supply is used (refer to
Application manual "DC power supply connect to inverter" (E6582156).
• Heat discharge measures in the case of high ambient temperature, side-by-side installation of
multiple inverters, etc. (refer to [2. 1. 2])
• Removal of installed inverters with frame sizes A1 to A5
Use the procedure and corresponding figure for each type, shown in following pages, to remove por-
tions such as covers.
2. 2 How to remove covers of inverter
WARNING
Prohibited
• Never remove the front cover when the power is on.
The unit contains high voltage parts and contact with them will result in electric shock.
CAUTION
Mandatory
action
• When removing and mounting the front cover, wiring cover or the power terminal block with a
screwdriver, be sure not to scratch your hand as these results in injury.
• Turn the power off when removing the front cover and the wiring cover.
If the power is on, it can result in electric shock or injury.
• Do not press too hard with the screwdriver.
It can scratch the inverter unit.
• After wiring is complete, be sure to replace the front cover and the wiring cover.
Otherwise, it can result in electric shock or fire.