5
2 Safety
2.1
Safety Instructions
International safety regulations have been strictly observed in the design and testing of the inverter.
Before beginning any work, carefully read all safety instructions, and always observe them when work-
ing on or with the inverter. The installation must follow all applicable national or local standards and
regulations.
Incorrect installation may cause:
• injury or death to the installer, operator or third party
• damage to the inverter or other attached equipment
2.2
Important Safety Notifications
There are various safety concerns that must be carefully observed before, during, and after the installa-
tion, as well as during future operation and maintenance. The following are important safety notifica-
tions for the installer and any end users of this product under normal operating conditions.
Dangers of High Voltages and Large Current
1. Beware of high PV voltage. Please install an external DC disconnect switch or breaker and
ensure it is in the “off” or “open” position before installing or working on the inverter. Use a
voltmeter to confirm there is no voltage present to avoid electric shock.
2. Beware of high grid voltage. Please ensure the AC switch and/or AC breaker are in the “off” or
“open” position before installing or working on the inverter. Use a voltmeter to confirm there is
no voltage present to avoid electric shock.
3. Beware of high battery current. Please ensure that the battery module breakers and/or on/off
switches are in the “open” or “off” position before installing or working on the inverter. Use a
voltmeter to confirm there is no voltage present to avoid electric shock.
4. Do not open the inverter while it is operating to avoid electric shock and damage from live
voltage and current within the system.
5. Do not make any connections or disconnections (PV, battery, grid, communication, etc.)
while the inverter is operating.
6. An installer should make sure to be well protected by reasonable and professional insulative
equipment [e.g., personal protective equipment (PPE)].
7. Before installing, operating, or maintaining the system, it is important to inspect all existing
wiring to ensure that it meets the appropriate specifications and conditions for use.
8. Ensure that the PV, battery, and grid connections to the inverter are secure and proper to
prevent damage or injuries caused by improper installation.
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