Premium Levella PRN185DX handleiding
Handleiding
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3
Ai l f th i it ( ) d f i t h
Page 32
COOLING CIRCUIT MAINTENANCE
3
.
Ai
r remova
l
f
rom
th
e c
i
rcu
it
(
vacuum process
)
an
d
re
f
r
i
geran
t
c
h
arge
The degree of vacuum to be performed in refrigeration circuit which use R600a/R290 is the same used for traditional circuit using
HFC (R134a, R404A, etc).
At the end of the vacuum operation the value to be reached for vacuum is 14 Pa (0,14 mbar
=
100 mmHg): this value is normall
y
At
the
end
of
the
vacuum
operation
the
value
to
be
reached
for
vacuum
is
14
Pa
(0,14
mbar
100
mmHg):
this
value
is
normall
y
reached after 20 minutes from connection of the vacuum pump to the circuit.
Always use charge devices suitable for hydrocarbons (HC) refrigerant.
The refrigeration circuit provided with the equipment must be charged with 99.5% pure gas (R600a/R290).
Th
e
am
ou
nt
o
f r
e
fri
ge
rant t
o
be
used
i
s
s
h
ow
n
o
n th
e
t
ec
hni
c
al
d
ata
p
lat
e;
du
rin
g
c
har
ge
ope
rati
o
n th
e
we
i
g
ht
o
f th
e
r
e
fri
ger
ant m
us
t
e ou o e ge o be used s s ow o e ec c d p e; du g c ge ope o e we g o e e ge
us
be accurately controlled: for optimum operation of the unit the quantity of refrigerant charged must be within a tolerance of ± 5%.
Actual charge = nominal charge ± 5%
Note: please check the dryer dimensions, as dryers with bigger volumes require additional refrigerant.
4. Sealing
Use electronic leak detector to check for
possible leaks from the one way valve
Checkleakage
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Productinformatie
| Merk | Premium Levella |
| Model | PRN185DX |
| Categorie | Koelkast |
| Taal | Nederlands |
| Grootte | 12370 MB |
