2
1 Safety Precautions
Please read this manual carefully and follow all safety precautions before moving, installing, operating and
servicing the inverter. If ignored, physical injury or death may occur, or damage may occur to the devices.
If any physical injury or death or damage to the devices occurs for ignoring to the safety precautions in the
manual, our company will not be responsible for any damages and we are not legally bound in any manner.
1.1 Safety definition
Danger: Serious physical injury or even death may occur if not follow relevant
requirements
Warning: Physical injury or damage to the devices may occur if not follow relevant
requirements
Note: Physical hurt may occur if not follow relevant requirements
Qualified electricians: People working on the device should take part in professional electrical and
safety training, receive the certification and be familiar with all steps and
requirements of installing, commissioning, operating and maintaining the
device to avoid any emergency.
1.2 Warning symbols
Warnings caution you about conditions which can result in serious injury or death and/or damage to the
equipment, and advice on how to avoid the danger. Following warning symbols are used in this manual:
Symbols Name Instruction Abbreviation
Danger
Danger
Serious physical injury or even death may
occur if not follow the relative requirements
Warning
Warning
Physical injury or damage to the devices may
occur if not follow the relative requirements
Do not
Electrostatic
discharge
Damage to the PCBA board may occur if not
follow the relative requirements
Hot sides
Hot sides
Sides of the device may become hot. Do not
touch.
Note Note
Physical hurt may occur if not follow the
relative requirements
Note
1.3 Safety guidelines
Only qualified electricians are allowed to operate on the inverter.
Do not carry out any wiring and inspection or changing components when the power
supply is applied. Ensure all input power supply is disconnected before wiring and
checking and always wait for at least the time designated on the inverter or until the DC
bus voltage is less than 36V. Below is the table of the waiting time:
Inverter module Minimum waiting time
1PH 220V 0.4kW-2.2kW 5 minutes
3PH 220V 0.4kW-7.5kW 5 minutes
3PH 380V 0.75kW-110kW 5 minutes