Motor Controllers AC Variable Frequency Drives
Type Variflex
3
RVFF
Specifications are subjected to change without notice.
93
5.9 Maintenance
To ensure long-term reliability, follow the instructions below to perform regular inspection. Turn the power off
and wait for a minimum of 5 minutes before inspection to avoid potential shock hazard from the charge stored
in high-capacity capacitors.
1. Maintenance Check List.
➢
Ensure that temperature and humidity around the inverters is as required in the
instruction manual, installed away from any sources of heat and the correct ventilation
is provided..
➢
For replacement of a failed or damaged inverter consult with the local supplier.
➢
Ensure that the installation area is free from dust and any other contamination.
➢
Check and ensure that the ground connections are secure and correct.
➢
Terminal screws must be tight, especially on the power input and output of the inverter.
➢
Do not perform any insulation test on the control circuit.
2. Insulation test Method .
S ing le P ha se
INV
L1(L)
L3(N)
T1
T2
T3
Dielectric
Withstand
Voltage Test
Power
Source
Motor
T hre e P ha se
INV
L1(L)
L3(N)
T1
T2
T3
Dielectric
Withstand
Voltage Test
Power
Source
Motor
L2
Содержание VariFlex3 RVFFA3400400F
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