LSIS SV-IS7 User Manual

Troubleshooting and Maintenance
152
7.5 Daily and Regular Inspection Lists
Inspection
area
Inspection
item
Inspection
details
Inspection Cycle
Inspection
method
Judgment standard
Inspection
equipment
Daily
Regular
(Year)
1
2
Total
Ambient
environment
Is the ambient
temperature
and humidity
within the
designated
range, and is
there any dust
or foreign
objects present?

Visual
inspection
No ice
(ambient
temperature: -10 ℃
–+40 ℃ ) and no
condensation
(ambient humidity
below 50%)
Thermometer,
hygrometer,
recorder
Inverter
Are there any
abnormal
vibrations or
noise?

Visual
inspection
No abnormality
Power
voltage
Are the input
and output
voltages
normal?

Measure
voltages
between R/S/T
phases in the
inverter terminal
block.
Digital
multimeter,
tester
Input/Out
put circuit
Total
1) Megger test
(between
input/output
terminals and
and earth
terminal)
2) Is there
anything loose
in the device?
3) Is there any
evidence of
overheating in
each part?
4) Cleaning




1) Disconnect the
inverter and
short
R/S/T/U/V/W
terminals, and
then measure
from each
terminal to the
ground terminal
using Megger
test equipment.
2) Tighten up all
screws.
3) Visual
inspection
1) Over 5MΩ
2), 3) No matter
DC 500 V
Megger
Cable
connections
1) Are there any
corroded cables?

Visual inspection
No abnormality

LSIS SV-IS7 Specifications

General

Brand	LSIS
Model	SV-IS7
Category	Inverter
Language	English