Premium Levella PRN185DX handleiding
Handleiding
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R i f f i ti i it
Page 31
COOLING CIRCUIT MAINTENANCE
After ensuring the refrigerant has been removed completely from the refrigeration circuit, the repair can be carried out in the same way
used for a standard circuit.
Caution: during welding operations, take care not to damage the electrical wiring: possible short circuit with
2
.
R
epa
i
r o
f
re
f
r
i
gera
ti
on c
i
rcu
it
Caution:
during
welding
operations,
take
care
not
to
damage
the
electrical
wiring:
possible
short
circuit
with
ensuing electrical discharges may cause fire.
Sealing operations by means of brazing are allowed only if no R600a/R290 is inside the circuit.
Once the circuit is charged with propane the sealing of the process tubes must be performed WITHOUT WELDING TORCHES
Braze one-way valve to joint charging tube, connect the joint of the
flexible gas hose of the Nitrogen tank to the one-way valve and insufflate
p
ressurized N2
g
as at 15 bars for 10-15 seconds and check that
g
as is
5
p
g
g
coming out from capillary tube (low pressure side) and condenser pipe
(high pressure side) normally.
Stop to insufflate N2 gas, wait that the gas emission is completed, then
seal the capillary tube and the condenser pipe.
I ffl t N2 i til h 12 b d h k th
ONEîWAYîVALVE
After found out the leakage point, cut the capillary tube and the condenser
pipe and wait until N2 gas emission is completed.
I
nsu
ffl
a
t
e
N2
gas aga
i
n un
til
pressure reac
h
es
12
b
ar an
d
c
h
ec
k
th
e
leakage point in the circuit by using an electronic leak detector.
Make a new brazing in the leaking joint.
Insufflate N2 gas from the compressor charging tube to clean the circuit
inside, the gas will come out from capillary tube and condenser pipe. This
process must last 15 seconds
Exchange dryer : R134a Dryer(XH-7), R600a Dryer(XH-9)
process
must
last
15
seconds
.
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Productinformatie
| Merk | Premium Levella |
| Model | PRN185DX |
| Categorie | Koelkast |
| Taal | Nederlands |
| Grootte | 12370 MB |
