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ENG
VIVAX
55
In
case
analysis
is
required
prior
to
re
‐
use
of
reclaimed
refrigerant.
It
is
essential
that
electrical
power
is
available
before
the
task
is
commenced.
a)
Become
familiar
with
the
equipment
and
its
operation.
b)
Isolate
system
electrically
c)
Before
attempting
the
procedure
ensure
that:
Mechanical
handling
equipment
is
available,
if
required,
for
handling
refrigerant
cylinders;
All
personal
protetive
equipment
is
available
and
being
used
correctly;
The
recovery
process
is
supervised
at
all
times
by
a
competent
person;
Recovery
equipment
and
cylinders
conform
to
the
appropriate
standards.
d)
Pump
down
refrigerant
system,
if
possible.
e)
If
a
vacuum
is
not
possible,
make
a
manifold
so
that
refrigerant
can
be
removed
from
various
parts
of
the
system.
f)
Make
sure
that
cylinder
is
situated
on
the
scales
before
recovery
takes
place.
g)
Start
the
recovery
machine
and
operate
in
accordance
with
manufacturer
s
instructions.
h)
Do
not
overfill
cylinders.
(No
more
than
80%
volume
liquid
charge).
i)
Do
not
exceed
the
maximum
working
pressure
of
the
cylinder,
even
temporarily.
j)
When
the
cylinders
have
been
filled
correctly
and
the
process
completed,
make
sure
that
the
cylinders
and
the
equipment
are
removed
from
site
promptly
and
all
isolation
valves
on
the
equipment
are
closed
off.
k)
Recovered
refrigerant
shall
not
be
charged
into
another
refrigeration
system
unless
it
has
been
cleaned
and
checked.
18)
Labelling
Equipment
shall
be
labelled
stating
that
it
has
been
de
‐
commissioned
and
emptied
of
refrigerant.
The
label
shall
be
dated
and
signed.
Ensure
that
there
are
labels
on
the
equipment
stating
the
equipment
contains
flammable
refrigerant.
19)
Recovery
When
removing
refrigerant
from
a
system,
either
for
service
or
decommissioning,
it
is
recommended
good
practice
that
all
refrigerants
are
removed
safely.
When
tranferring
refrigerant
into
cylinders,
ensure
that
only
appropriate
refrigerant
recovery
cylinders
are
employed.
Ensure
that
the
correct
numbers
of
cylinders
for
holding
the
total
system
charge
are
available.
All
cylinders
to
be
used
are
designated
for
the
recovered
refrigerant
and
labelled
for
that
refrigerant(i.e
special
cylinders
for
the
recovery
of
refrigerant).
Cylinders
shall
be
complete
with
pressure
relief
valve
and
associated
shut
‐
off
valves
in
good
working
order.
Empty
recovery
cylinders
are
evacuated
and,
if
possible,
cooled
before
recovery
occurs.
Summary of Contents for HPS-120HM155AERI/I1s
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