Safety Guidelines - Hitachi S1 Series Basic Manual

S1 series standard inverter
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1.4 Safety guidelines

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1.4.1 Delivery and installation
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Note:
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Select appropriate tools for delivery and installation to ensure a safe and proper running of the
inverter and avoid physical injury or death. To ensure physical safety, the installation staff should
take mechanical protective measures like wearing exposure shoes and working uniforms;
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Ensure to avoid physical shock or vibration during delivery and installation;
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Do not carry the inverter by its front cover only as the cover may fall off;
Name
off to prevent electric shock
Read Read the operation manual before
manual operating on the equipment
Procedures taken to ensure proper
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operation
Only trained and qualified electricians are allowed to carry out related
operations.
Do not perform wiring, inspection or component replacement when power
supply is applied. Ensure all the input power supplies are disconnected
before wiring and inspection, and wait for at least the time designated on the
inverter or until the DC bus voltage is less than 36V. The minimum waiting
time is listed in the table below.
Inverter model
230V
400V
400V
400V
Do not refit the inverter unless authorized; otherwise, fire, electric shock or
other injuries may occur.
The base of the radiator may become hot during running. Do not touch to
avoid hurt.
The electrical parts and components inside the inverter are electrostatic.
Take measures to prevent electrostatic discharge during related operation.
Install the inverter on fire-retardant material and keep the inverter away from
combustible materials.
Connect the optional brake parts (brake resistors, brake units or feedback
units) according to the wiring diagram.
Do not operate on a damaged or incomplete inverter.
Do not touch the inverter with wet items or body parts; otherwise, electric
shock may occur.
Instruction
0.4kW–2.2kW
0.75kW–110kW
132kW–315kW
Above 355kW
-2-
Abbreviation
Minimum waiting time
5 min
5 min
15 min
25 min
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