Electrolux EILFU17GS Technical & Service Manual page 27

T T o o F F l l u u s s h h T T h h e e S S y y s s t t e e m m
CAUTION
U U s s e e e e x x t t r r e e m m e e c c a a r r e e w w h h e e n n u u s s i i n n g g D D r r y y N N i i t t r r o o g g e e n n t t o o
f f l l u u s s h h s s y y s s t t e e m m s s . . P P r r e e s s s s u u r r e e i i n n n n i i t t r r o o g g e e n n c c y y l l i i n n d d e e r r
c c o o u u l l d d b b e e a a s s h h i i g g h h a a s s 2 2 0 0 0 0 0 0 p p s s i i . . N N i i t t r r o o g g e e n n c c y y l l i i n n d d e e r r
m m u u s s t t b b e e e e q q u u i i p p p p e e d d w w i i t t h h a a p p p p r r o o v v e e d d p p r r e e s s s s u u r r e e
r r e e g g u u l l a a t t o o r r a a n n d d p p r r e e s s s s u u r r e e r r e e l l i i e e f f v v a a l l v v e e . . E E n n s s u u r r e e t t h h a a t t
y y o o u u r r h h o o s s e e s s h h a a v v e e a a d d e e q q u u a a t t e e r r a a t t i i n n g g s s f f o o r r p p r r e e s s s s u u r r e e
i i n n v v o o l l v v e e d d a a n n d d t t h h a a t t a a l l l l o o f f y y o o u u r r e e q q u u i i p p m m e e n n t t i i s s i i n n
g g o o o o d d c c o o n n d d i i t t i i o o n n . . T T h h e e e e n n d d o o f f t t h h e e f f l l u u s s h h i i n n g g h h o o s s e e o o n n
t t h h i i s s t t a a n n k k r r e e g g u u l l a a t t o o r r m m u u s s t t b b e e e e q q u u i i p p p p e e d d w w i i t t h h a a
h h a a n n d d s s h h u u t t - - o o f f f f v v a a l l v v e e ( ( R R o o b b i i n n a a i i r r N N o o . . 4 4 0 0 3 3 8 8 0 0 ) ) . . C C l l o o s s e e
h h a a n n d d s s h h u u t t - - o o f f f f v v a a l l v v e e a a n n d d a a d d j j u u s s t t n n i i t t r r o o g g e e n n r r e e g g u u l l a a t t o o r r
t t o o c c o o r r r r e e c c t t p p r r e e s s s s u u r r e e b b e e f f o o r r e e p p r r o o c c e e e e d d i i n n g g w w i i t t h h
f f l l u u s s h h i i n n g g p p r r o o c c e e d d u u r r e e . .
T T o o U U s s e e D D r r y y N N i i t t r r o o g g e e n n T T o o F F l l u u s s h h T T h h e e S S y y s s t t e e m m : :
1. Remove compressor and filter-drier. Connect
process coupling to outlet tube of condenser.
2. Fasten cloth over other end of coil to prevent
old oil from spraying over room.
3. Connect hand shut-off valve on flushing hose
to process coupling.
4. Slowly open hand shut-off valve and allow
nitrogen to flow through condenser until
discharge is clear.
CAUTION
D D O O N N O O T T e e x x c c e e e e d d 3 3 0 0 0 0 P P S S I I G G . .
5. Disconnect cap tube from evaporator. Flush
evaporator in same manner as condenser.
CAUTION
D D O O N N O O T T e e x x c c e e e e d d 1 1 5 5 0 0 P P S S I I G G . .
6. Flush cap tube. This is only possible if you
have proper service valve adapter.
CAUTION
D D O O N N O O T T e e x x c c e e e e d d 3 3 0 0 0 0 P P S S I I G G . .
7. Reassemble system.
R R e e f f r r i i g g e e r r a a t t i i o o n n S S y y s s t t e e m m
T T o o U U s s e e R R e e f f r r i i g g e e r r a a n n t t T T o o F F l l u u s s h h T T h h e e S S y y s s t t e e m m : :
CAUTION
R R e e f f r r i i g g e e r r a a n n t t u u s s e e d d f f o o r r f f l l u u s s h h i i n n g g m m u u s s t t b b e e r r e e c c o o v v e e r r e e d d
i i n n t t o o a a r r e e c c o o v v e e r r y y s s y y s s t t e e m m . . M M e e t t e e r r a a m m o o u u n n t t o o f f
r r e e f f r r i i g g e e r r a a n n t t u u s s e e d d f f o o r r f f l l u u s s h h i i n n g g w w i i t t h h y y o o u u r r c c h h a a r r g g i i n n g g
c c y y l l i i n n d d e e r r . . D D O O N N O O T T O O V V E E R R F F I I L L L L T T H H E E B B A A G G . .
1. Disconnect the suction and discharge lines
from the compressor and remove the
filter-drier. Connect process coupling to outlet
and inlet tube of condenser.
2. Connect hose to outlet process coupling and
charging cylinder. Connect another hose to
inlet coupling and recovery system.
3. Open charging cylinder and allow refrigerant to
flow through condenser until discharge into
bag is clear.
NOTE
T T h h e e l l i i n n e e p p i i e e r r c c i i n n g g v v a a l l v v e e ( ( c c l l a a m m p p - - o o n n t t y y p p e e ) ) s s h h o o u u l l d d
b b e e u u s s e e d d f f o o r r t t e e s s t t p p u u r r p p o o s s e e s s o o n n l l y y . . I I t t m m u u s s t t b b e e
r r e e m m o o v v e e d d f f r r o o m m s s y y s s t t e e m m a a f f t t e e r r i i t t h h a a s s s s e e r r v v e e d d i i t t s s
p p u u r r p p o o s s e e . .
4. Disconnect capillary tube from evaporator.
Flush evaporator in same manner as
condenser.
5. Flush cap tube. This is only possible if you
have proper service valve adapter.
6. Reassemble system.
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