Instruction manual
Danger
of
dust
Be sure site is free from dust.
Sucking
in
of dust can cause failure.
Danger
of
unbalan
ce
Be sure
to
install on
solid
and level
floor
(less than
5°
inclination).
Uneven
installation
can
cause
failure
and
movement
of
v
acuum
pump
.
If
insta
l
lation
floor
is
unstable, fix pump base with 4-q,
11
holes of pump leg (ISP-250C) or
4~1
0 tap
section pump base
(ISP-500C).
MID
tap
section
Danger
of
overheating
less
than
5~
incl ination
Install where equipment
is
not
exposed
to
direct
sunlight.
Vacuum
pump
exposed
to
direct
sunlight
can
overheat,
resu
l
ting
in
failure
.
Important
o
Av
o
id
dust
o
Install
on
a
solid
,
level
floor
o
Avoid
direct
r h
.
When building vacuum pump into vacuum system, pay attention to space for maintenance,
ambient temperature and piping.
uestions, contact the dealer
who
sold it to
ou
or
us
.
31
W· .
.
iring
6
WARNING
Danger
of
shorH:ircuit
and
electric
shock
0
Ask a qualified electrician
to
perform electric
wiring.
If not, short-
drcuit
or electric shock
can
cause fire or bodily injury.
Ask qualified
electrician
Danger
of
electric
shock
and
entanglement
S
Be sure
to
turn
off
electric source on
building
site before
wiring
.
If not,
it
can cause electric shock or bodily injury due to turning objects.
Turn off electric
source
Danger
of
accident,
fire
and
failure
0
Be sure
to
install protective device
to
protect circuitry.
We
recommend
overcurrent
pr
otective device (rated 15A
for
ISP-250C and rated 15A
for
ISP-500C
(rated 20A 1 OO/115V/l phase))
to
protect branch
circuit
.
Install overcurrent
If
equipment
is
not stopped
in
an
emergency, it can cause accident, fire or failure.
protective
device
Danger
of
accident,
fire
or
failure
0
Be sure
to
install an electric source emergency
stop
switch
(or protective device
that can
urgently
stop)_
Install
emergency
If
equipment
is
not
stopped
in
an
emergency,
it
can
cause
accident,
fire
or
failure.
stop
switch
Danger
of
fire
and
electric
shock
0
Install
short
circuit
protective device.
If not, it can cause bodily injury due
to
fire or electric shock.
Install
short
circuit
protective device
-13-