Maintenance And Inspection - Toshiba TOSVERT VF-AS1 Instruction Manual

Maintenance and inspection

I
• Never replace any part by yourself.
This could be a cause of electric shock, fire and bodily injury. To replace parts, call the local
sales agency.
Prohibited
• The equipment must be inspected every day.
If the equipment is not inspected and maintained, errors and malfunctions may not be
discovered which could lead to accidents.
• Before inspection, perform the following steps.
(1) Turn off all input power to the inverter.
(2) Wait at least 15 minutes and check to make sure that the charge lamp is no longer lit.
Mandatory
(3) Use a tester that can measure DC voltage 800VDC or more, and check to make sure
that the voltage to the DC main circuits (between PA/+ and PC/-) is 45V or less.
If inspection is performed without performing these steps first, it could lead to electric shock.
Disposal
• If you throw away the inverter, have it done by a specialist in industry waste disposal*.
If you throw away the inverter by yourself, this can result in explosion of capacitor or
produce noxious gases, resulting in injury.
(*) Persons who specialize in the processing of waste and known as "industrial waste product
collectors and transporters" or "industrial waste disposal persons." If the collection, transport
and disposal of industrial waste is done by someone who is not licensed for that job, it is a
Mandatory
punishable violation of the law. (Laws in regard to cleaning and processing of waste
materials)
Attach caution labels
Shown here are examples of caution labels to prevent, in advance, accidents in relation to inverters, motors and other
equipment.
If the inverter has been programmed for auto-restart function after momentary power failure or retry function, place
caution labels in a place where they can be easily seen and read.
If the inverter has been programmed for restart
sequence of momentary power failure, place
caution labels in a place where they can be easily
seen and read.
(Example of caution label)
(Functions programmed for restart)
Do not go near motors and equipment.
Motors and equipment that have stopped
temporarily after momentary power failure will
restart suddenly after recovery.
Danger
Caution
Caution
If the retry function has been selected, place
caution labels in a location where they can be
easily seen and read.
(Example of caution label)
Caution
(Functions programmed for retry)
Do not go near motors and equipment.
Motors and equipment that have stopped
temporarily after an alarm will restart
suddenly after the specified time has elapsed
and alarm condition has disappeared.
6
E6581445
Reference
14.2
14.
14.
14.2
Reference
16.