48
/
88
decreases
to
1.35MPa,
contact
connects,
low
temperature
cabinet
starts
up;
when
pressure
exceeds
2.1MPa
again,
contact
disconnects
again,
and
it
circulates
in
order.
Note:
When
pressure
switch
is
being
welded,
put
a
wet
towel
on
it
to
keep
temperature
below
100
℃
.
The
parameters
of
pressure
switch
cannot
be
adjusted.
Parameters:
voltage
220V,
50Hz,
contact
capacity:
6A.
Freezing
medium
Freezing
medium
is
mixture,
part
of
it
is
inflammable
and
explosive
freezing
medium,
ventilation
is
required
at
infusion
place.
In
case
of
leakage,
avoid
fire
and
spark
near
the
place.
When
refrigerating
system
has
a
problem,
it
shall
be
judged
by
local
after
‐
sale
service
personnel,
the
problem
shall
be
feed
‐
backed.
The
technicians
of
Medical
Application
Business
Department
shall
instruct
local
after
‐
sale
service
personnel
to
repair
it.
Infusion
of
freezing
medium
When
DW
‐
86L386
series
of
ultra
‐
low
temperature
cabinet
products
are
repaired,
there
are
very
strict
requirements
for
environment
and
repair,
otherwise,
refrigerating
effect
may
be
bad;
to
normalize
the
maintenance
operation
specification
of
medical
application
refrigerator
DW
‐
86L388
series
of
ultra
‐
low
temperature
cabinet
products,
the
following
requirements
shall
be
followed:
Before
the
maintenance
of
system,
at
first,
you
should
know
the
refrigerating
principle
of
DW
‐
86L388
series
of
ultra
‐
low
temperature
cabinet
products,
the
series
of
model
is
two
‐
level
refrigeration,
which
is
divided
into
two
independent
systems
of
high
temperature
level
and
low
temperature
level;
at
the
time
of
maintenance,
the
two
systems
shall
not
be
opened
at
the
same
time,
you
must
distinguish
which
system
is
failure,
then
open
that
system.
The
humidity
in
maintenance
shop
shall
not
be
too
large,
if
it
is
cloudy
or
rainy,
don’t
open
Summary of Contents for DW-86L338
Page 7: ...7 88 Product appearance DW 86L388 486 628 728 828...
Page 8: ...8 88 DW 86L288 DW 86L338 388A...
Page 9: ...9 88 DW 86L490 DW 86W100...
Page 10: ...10 88 DW 86W420...
Page 11: ...11 88 Dimensions DW 86W100...
Page 12: ...12 88 DW 86L490...
Page 29: ...29 88 product nameplate For example DW 86L338...
Page 55: ...55 88 PICTURE 2 PICTURE 3 PICTURE 4 U Unit Pa 3Pa...