SAFETY PRECAUTIONS
WARNING
Grounding
the
Heating
Unit
NGL-
LJE-1.
Make
certain
the
unit
is
electrically
grounded
by
plugging
into
a
hospital
grade
electrical
outlet
with
a
ground
terminal
receptacle.
Follow
the
National
Electrical
Code.
The
water
temperature
in
the
Heating
Unit
is
approximately
71
℃
,
and
the
water
scalding
temperature
is
approximately
49
℃
.
Care
must
be
taken
when
operating
the
Heating
Unit
adjacent
to
or
stacked
with
other
equipment.
Potential
electromagnetic
or
other
interference
could
occur
to
this
or
other
equipment.
Try
to
minimize
this
interference
by
not
using
other
equipment
in
conjunction
with
it.
The
Heating
Unit
should
be
placed
on
a
smooth,
level
surface.
The
surface
should
support
up
to
the
Filled
Weight
(weight
of
heating
unit
filled
with
water)
found
in
the
Technical
Specification
of
this
manual.
Use
only
accessories
that
are
specially
designed
for
the
Heating
Unit.
Periodically
inspect
unit
for
signs
of
damage
and
pitting
during
regular
cleaning
intervals,
as
described
in
maintenance
portion
of
this
manual.
DO
NOT
apply
hot pack
directly
to
skin.
Individuals
with
circulatory
problems
should
consult
with
a
physician
before
using
this
product.
DO
NOT
sit
or
lie
on
the
hot pack
.
DO
NOT
add
chlorine
additive
to
water.
DO
NOT
allow
hot pack
to
come
in
contact
with
hydrocarbons.
Detailed
Operati
ng
Instructions:
HOW
TO
USE:
1.
After
it
is
well
placed,
please
wipe
the
inner
and
outer
surfaces
of
the
container
gently
with
a
wet
cloth
to
remove
the
protective
oil
and
keep
the
container
clean.
2.
When
you
use
the
unit,
please
fix
it
on
a
fixed
platform
and
open
the
valve
of
the
water
inlet.
Then,
inject
clean
water
into
the
unit
below
the
maximum
water
level.
3.
Connect
the
power
supply
,
set
constant
temperature
according
to
detailed
operations
of
the
thermostat
(refer
to
the
following).