Hitachi SH1 Series Basic Manual page 35

Chapter 2
2.12 Residual risk
Parts subject to residual risk
Please check for any residual risk upon completion of the
installation before power on.
■Residual risk checklist No.
Target
Name of part
section
Main circuit terminal
(A)
block
(B)
Heat sink
Input/output
(C)
terminal block
Motor connected
with the inverter
(D)
and wiring to the
motor
‐
Unspecified parts
Residual risk checklist
Operational
No. Work
phase
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
for use Inspection
Maintenance Wiring
11
for use Inspection

Installation, wiring, and setting work need to be performed by
.
specialized technicians
DANGER WARNING
8,10
4
11
12,13
9,14,15
Residual
Target
Details of harm or damage
section
risk
(B) CAUTION Damage caused by careless transport
Reduction of component life due to use in
a location exposed to direct sunlight or at
‐ CAUTION
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 heated to exceed
(B) DANGER
150°C catches fire to a flammable wall.
Component failure due to entry of dust,
‐ CAUTION
corrosive gas, or other substances.
Reduction of a component life due to
‐ CAUTION degradation of cooling capability by
horizontal installation.
When the fin of the inverter is installed
outside of cabinet, the cooling fan fails
‐ CAUTION
due to droplet, oil mist, etc.
The arc flies due to screws loosened by
(A) DANGER vibration, and catches fire to the internal
components.
The arc flies due to screws loosened by
‐ DANGER vibration, and catches fire to the internal
components.
When the cover is removed, electric
(A) DANGER
shock is caused in a high-voltage section.
When the operator removes the cover,
(C) DANGER electric shock is caused when a tool
touches a high-voltage section.
(C)
(C)
CAUTION
(C)
1
(C)
(C)
2,3,5,6,7
(C)
(C)
(C)
Do not drop the product. Do not carry the
inverter in a manner that applies force to
the cover or operator keypad.
(C)
Check that ambient temperature is within
the standard specification range in the
whole year by means of cooling and
ventilation.
(C)
Check that ambient temperature is within
the standard specification range in the
whole year by means of cooling and
(C)
ventilation. Otherwise, install the product
in a location free from condensation.
Install the inverter on an inflammable
(C)
metal wall.
Install the inverter inside a totally
enclosed panel.
(C)
Install the inverter vertically.
When installing the fin of inverter outside
(C)
the cabinet, install it in a location free
from droplet, oil mist, etc.
(C)
Check screws are appropriately tightened
on a regular basis.
Check screws are appropriately tightened
(C)
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 open the cover when the power is
on. Wait for 10(*1)/15 (*2) minutes or
more after the power is off, and then
confirm that the voltage between P and N
is significantly less than 45Vdc to start the
work.
(*1)SH1-00041-H～SH1-00620-H (SH1-007H～SH1-220H)
(*2)SH1-00770-H～SH1-06600-H (SH1-300H～SH1-3150H)
2-24
Installation and Wiring
Motor and
wiring to the motor
(D)
(A)
(A)
(A)
Preventive measures
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(A)
(B)
(B)
(B)
(B)
(B)
(B)
(B)
✓
(B)
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(B)
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(B)
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(B)
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(B)
□
(B)
□
(B)
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(B)
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(B)
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