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lttm
1
2
3
4
5
6
AIR CONDITIONING SYSTEM
-
Refrigen~tion
System
AC-11
Symptom
Bubbtesl)(flent in
$igtlt
glass
No bubbles
prtwnt in s9\t
giJ$$
No temperature
d
lfftrtnoe
be-
twttn
comJ)ttUOr
ln~t
and
out·
let
Temperature
bttwe.n
eoml)fts.sor
inlet
lnd
outlet
k
notior.ably
different
lmmtdiattly
lhtr
the
air
condi·
tioner Is turned off, refrigerant
in sight
glm
st~ys
cltar
WMn ttlt
air
conditioner
is
turned
off.
rthigertnt foams
and
then
suys
dNr
~
,;;r
To Gauge
f
M•nifold
To Coml)fHSOr
REFRIGERATION SYSTEM
Checking
of
Refrigerant Charge
1.
RUN ENGINE
AT FAST
IDLE
2.
OPERATE AIR CONDITIONER AT
MAXIMUM
COOLING FOR A
FEW
MINUTES
3.
CHECK AMOUNT OF REFRIGERANT
Observe the sight glass on the
receiver.
Amount
of
" "'"''"'
Remody
ln.suff'lcient
Ctltdc
fQ(
luk
w;th
galnk
test«
None.
suHicit!nt
or
too much
Reftt
to
i1t-rns
3 and
4
System is
emptY or
n11rly
Evtcuatt
end
c:Nroe
system,
Then
empty
chtck
for
ltl
k
with
gesltlk
thttr
Proper
01
too
much
Atftf to items
5 and
6
Too much
Oflchtroe the excess rtlrlotrant to
s.Ptelfltd
tmount
Pr-oper
Installation
of
Manifold
Gauge
Set
NOTE: Fittings for attaching the manifold gauge set •re
located on the eomprmor service valves.
1.
CLOSE
BOTH
HAND VALVES
OF
MANIFOLD
GAUGE
SET
2.
INSTALL CHARGING HOSES
OF GAUGE
SET
TO
SERVICE VALVES
.r..ctlw
Connect the
low
pressure hose to the suction S8f'Vice valve
'-- - -
--
-- -
--
--'=::J
and the high pretSUre
hose
to the discharge service
valve.
Tighten
the hose nuts
by
hand.
NOTE:
Do not apply comprts10< oil
to
the ldt of
the
connection.
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