AC70 VC CONTROL FREQUENCY INVERTER MANUAL INSTALLATION AND WIRING
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Dismantlement and installation of keyboard
Chart 3-17:AC70 series inverter keyboard installation and dismantlement
3.6 Electric Installation
This chapter explains the regulations that users have to obey to ensure safe use, best performance and reliable
running.
Safety precaution
●
Must earth reliably while inverter is running. Otherwise there is danger of casualty and
unstable inverter performance.
●
To ensure safe running, only trained professional person can do installation and wiring
job.
●
No operation under power connected state. Otherwise there is danger of electric shock
even death.
●
Before operation, please cut all related equipments power, ensure that the main circuit
DC current has dropped to safe range. And please operate after 5 mins.
●
Control cable, power cable and motor cable must be separated. They can not be in the
same cable trough or cable rack.
●
This equipment can only be used as the maker states. Please consult Veichi while using
in special case.
●
No insulation test for the inverter or the related cable by HV insulation test equipment.
●
If the inverter or the peripheral equipment (filer, reactor and etc) needs insulation test,
firstly 500V megohmmeter should be used to test the insulation resistance which should
not be lower than 4M
Ω
.
