Hitachi SJ Series User Manual page 94

Chapter 8
8.4 Residual Risk Checklist
Operation
No. Work
stage
1 Installation Installation
2 Installation Installation
3 Installation Installation
4 Installation Installation
5 Installation Installation
6 Installation Installation
7 Installation Installation
Maintenance Electrical
8
for installation connections
Maintenance Electrical
9
for installation connections
Maintenance Wiring
10
before use Inspection
Maintenance Wiring
11
before use Inspection
* Installation, wiring, and setting work need to be
performed by specialized technicians.
Target Residual
Details of harm
section risk
Damage caused by careless
(B) Caution
transport
Reduction of component life
due to use in a location
‐
Caution exposed to direct sunlight or
at a temperature outside the
specification range.
Failure due to short circuit
caused by using in a
location which humidity and
‐
Caution
condensation are out of
standard range described in
specification..
The cooling fin that is
(B) DANGER heated to exceed 150°C
sets fire to a flammable wall.
Component failure due to
‐
Caution entry of dust, corrosive gas,
or other substances.
Reduction of a component
life due to degradation of
‐
Caution
cooling capability by
horizontal installation
When the fin is installed
outside the inverter, the
‐
Caution
cooling fan fails due to
droplet, oil mist, etc.
Arc flew out due to screws
that are loosened by
(A) DANGER
vibration, and set fire to the
internal components.
Arc flew out due to screws
that are loosened by
‐
DANGER
vibration, and set fire to
combustibles.
When the cover is removed,
(A) DANGER electric shock is caused in a
high-voltage section.
When the operator removes
the cover, electric shock is
(C) DANGER
caused when a tool touches
a high-voltage section.
8-3
Operation Check/Residual Risks
Protective measure
Do not drop the product. Do not
carry the inverter in a manner that
applies force to the cover or
operator keypad.
Check that ambient temperature is
within the standard specification
range in the whole year by means
of cooling and ventilation.
Check that ambient temperature is
within the standard specification
range in the whole year by means
of cooling and ventilation.
Otherwise, install the product in a
location free from condensation.
Install the inverter on an
inflammable metal wall.
Install the inverter inside a totally
enclosed panel.
Install it vertically.
When installing the fin outside the
inverter, install it in a location free
from droplet, oil mist, etc.
Check screws are appropriately
tightened on a regular basis.
Check screws are appropriately
tightened on a regular basis. Do
not place flammable materials near
the installed inverter.
Do not remove the cover when
power is supplied.
After power is turned off, wait 10
minutes or more to perform
working.
Do not remove the cover when
power is supplied.
After power is turned off, wait 10
minutes or more to perform
working.
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