Maintenance - TECO E510s Series Instruction Manual

5.5 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.
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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.
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2. Insulation test Method
Single Phase：
Three Phase：
L1（L）
Power
Inverter
L2
Source
L3（N）
Dielectric
Withstand
Voltage Test
L1（L）
Power
Inverter
L2
Source
L3（N）
Dielectric
Withstand
Voltage Test
5-25
T1
T2
Motor
T3
T1
T2 Motor
T3