4-2
R
Re
effrriig
ge
erra
attiio
on
n S
Sy
ys
stte
em
m
NOTE
IIn
ns
sttrru
uc
cttiio
on
ns
s g
giiv
ve
en
n h
he
erre
e a
arre
e ffu
urrn
niis
sh
he
ed
d a
as
s a
a
g
gu
uiid
de
e.. P
Pe
errs
so
on
ns
s a
atttte
em
mp
pttiin
ng
g tto
o u
us
se
e tth
he
es
se
e
iin
ns
sttrru
uc
cttiio
on
ns
s tto
o m
ma
ak
ke
e rre
ep
pa
aiirrs
s tto
o tth
he
e s
se
ea
alle
ed
d
rre
effrriig
ge
erra
attiio
on
n s
sy
ys
stte
em
m s
sh
ho
ou
ulld
d h
ha
av
ve
e a
a w
wo
orrk
kiin
ng
g
k
kn
no
ow
wlle
ed
dg
ge
e o
off rre
effrriig
ge
erra
attiio
on
n a
an
nd
d p
prre
ev
viio
ou
us
s ttrra
aiin
niin
ng
g
o
on
n s
se
ea
alle
ed
d s
sy
ys
stte
em
m rre
ep
pa
aiirr,, a
an
nd
d a
an
n E
EP
PA
A c
ce
errttiiffiic
ca
a--
ttiio
on
n ffo
orr s
se
errv
viic
ciin
ng
g rre
effrriig
ge
erra
attiio
on
n s
sy
ys
stte
em
ms
s..
NOTE
E
Elle
ec
cttrro
ollu
ux
x d
do
oe
es
s n
no
ott p
pe
errm
miitt tth
he
e u
us
se
e o
off rre
ec
co
ov
ve
erre
ed
d
rre
effrriig
ge
erra
an
ntt iin
n tth
he
e s
se
errv
viic
ciin
ng
g o
off o
ou
urr p
prro
od
du
uc
ctts
s ffo
orr
iin
n--w
wa
arrrra
an
ntty
y a
an
nd
d o
ou
utt--o
off--w
wa
arrrra
an
ntty
y rre
ep
pa
aiirrs
s o
orr ffo
orr
p
prro
od
du
uc
ctts
s c
co
ov
ve
erre
ed
d b
by
y s
se
errv
viic
ce
e c
co
on
nttrra
ac
ctts
s..
T
Th
he
erre
effo
orre
e,, o
on
nlly
y n
ne
ew
w rre
effrriig
ge
erra
an
ntt o
orr rre
effrriig
ge
erra
an
ntt tth
ha
att
h
ha
as
s b
be
ee
en
n rre
ec
clla
aiim
me
ed
d b
ba
ac
ck
k tto
o n
ne
ew
w s
sp
pe
ec
ciiffiic
ca
attiio
on
ns
s
b
by
y a
a rre
effrriig
ge
erra
an
ntt m
ma
an
nu
uffa
ac
cttu
urre
err iis
s tto
o b
be
e u
us
se
ed
d..
IMPORTANT
E
Effffe
ec
cttiiv
ve
e J
Ju
ully
y 1
1,, 1
19
99
92
2,, tth
he
e U
Un
niitte
ed
d S
Stta
atte
es
s c
clle
ea
an
n
a
aiirr a
ac
ctt g
go
ov
ve
errn
ns
s tth
he
e d
diis
sp
po
os
sa
all o
off rre
effrriig
ge
erra
an
ntts
s s
su
uc
ch
h
a
as
s R
R--1
13
34
4a
a.. T
Th
he
erre
effo
orre
e,, w
wh
he
en
n d
diis
sc
ch
ha
arrg
giin
ng
g o
orr
p
pu
urrg
giin
ng
g tth
he
e s
se
ea
alle
ed
d s
sy
ys
stte
em
m u
us
se
e a
an
n E
EP
PA
A a
ap
pp
prro
ov
ve
ed
d
rre
effrriig
ge
erra
an
ntt rre
ec
co
ov
ve
erry
y s
sy
ys
stte
em
m a
as
s o
ou
uttlliin
ne
ed
d iin
n tth
he
e
ffiin
na
all rru
ulle
e o
on
n tth
he
e p
prro
otte
ec
cttiio
on
n o
off s
sttrra
atto
os
sp
ph
he
erriic
c
o
oz
zo
on
ne
e a
an
nd
d rre
effrriig
ge
erra
an
ntt rre
ec
cy
yc
clliin
ng
g,, w
wh
hiic
ch
h w
wa
as
s
p
pu
ub
blliis
sh
he
ed
d iin
n tth
he
e F
Fe
ed
de
erra
all R
Re
eg
giis
stte
err M
Ma
ay
y 1
14
4,, 1
19
99
93
3..
D
De
effiin
niittiio
on
ns
s
R
Re
ec
co
ov
ve
erry
y::
To remove refrigerant in any condition from a
system and store it in an external container without
necessarily testing or processing it in any way.
R
Re
ec
cy
yc
clliin
ng
g::
To clean refrigerant for reuse by oil separation and
single or multiple passes through devices, such as
replaceable core filter-driers, which reduce
moisture, acidity and particulate matter. This term
usually applies to procedures implemented at the
field job site or at a local service shop.
R
Re
ec
clla
aiim
m::
To reprocess refrigerant to new product
specifications by means which may include
distillation, will require chemical analysis of the
refrigerant to determine that appropriate product
specifications are met. This term usually implies
the use of processes or procedures available only
at a reprocessing or manufacturing facility.
S
Sa
affe
etty
y W
Wa
arrn
niin
ng
gs
s
C
Co
om
mp
prre
es
ss
so
orr T
Te
es
sttiin
ng
g
Whenever testing a compressor, extreme caution
should be used to prevent damaging the terminals.
A compressor with a damaged terminal or a
grounded winding can expel a terminal from its
insulated housing when the compressor is
energized. If this happens, a mixture of refrigerant
and oil will be released that could be ignited by an
external heat source (open flame, heater, etc.).
Also, if there is air in the system when this
happens, a spark at the compressor shell could
ignite the refrigerant and oil mixture.
C
Ch
ha
arrg
giin
ng
g S
Se
ea
alle
ed
d S
Sy
ys
stte
em
ms
s
Overcharging a refrigeration system with refrigerant
can be dangerous. If the overcharge is sufficient
to immerse the major parts of the motor and
compressor in liquid refrigerant, a situation has
been created which, when followed by a sequence
of circumstances can lead to the compressor shell
seam separating.
A hydraulic block occurs, preventing the
compressor from starting. This condition is known
as locked rotor. Electric current continues to flow
through the compressor motor windings which
become, in effect, electric resistance heaters.
The heat produced begins to vaporize the excess
refrigerant liquid causing a rapid increase in
system pressure. If the compressor protective
devices fail, the pressure within the system may
rise to extremes far in excess of the design limits.
Under these conditions, the weld seam around the
compressor shell can separate with explosive
force, spewing oil and refrigerant vapor which
could ignite.
To eliminate this exceedingly rare but potential
hazard, never add refrigerant to a sealed system.
If refrigerant is required, evacuate the existing
charge and recharge with the correct measured
amount of the refrigerant specified for the system.
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Страница 56: ...5 16 C Co om mp po on ne en nt t T Te ea ar rd do ow wn n Notes ...
Страница 57: ...6 1 I Ic ce e M Ma ak ke er r S Se ec ct ti io on n 6 6 I Ic ce e M Ma ak ke er r ...
Страница 70: ...6 14 I Ic ce e M Ma ak ke er r Step 3 Step 4 Step 5 Step 6 ...
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Страница 74: ...7 2 P Pa ar rt ts s L Li is st t D Do oo or r C Co om mp po on ne en nt ts s E EI IL LF FU U1 17 7G GS S ...
Страница 78: ...7 6 P Pa ar rt ts s L Li is st t S Sy ys st te em m C Co om mp po on ne en nt ts s E EI IL LF FU U1 17 7G GS S ...
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