GE WSM2780R Technician Manual page 33

27 inch laundry center. spacemaker washer/dryer
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WATER INLET MIXING VALVE
T h e w a t e r i n l e t m i x i n g v a l v e i s
a c t u a l l y t w o s o l e n o i d o p e r a t e d
v a l v e s i n o n e b o d y . .
i n l e t a n d c o l d w a t e r i n l e t v a l v e
d i s c h a r g e i n t o a common m i x i n g
chamber, t h e f l o w o f w a t e r o u t o f
t h e c h a m b e r i s c o n t r o l l e d b y a
r u b b e r washer c a p a b l e o f m a i n t a i n i n g
a f l o w r a t e o f 5 g a l l o n s p e r m i n u t e
o f 3 0 t o 1 2 0 p . s . i .
v l a v e s a r e c o n t r o l l e d b y t h e t i m e r
a n d w a t e r t e m p e r a t u r e s e l e c t o r
s w i t c h , i n d i v i d u a l l y o r t o g e t h e r , t o
p r o v i d e h o t , c o l d , o r warm w a t e r f o r
w a s h i n g .
T h e t e m p e r a t u r e o f t h e
warm m i x t u r e i s d e p e n d e n t upon t h e
and c o l d w a t e r s u p p l y 1 i n e s .
VALVE OPERATION
B o t h i n l e t s o l e n o i d v a l v e s a r e
i d e n t i c a l i n c o n s t r u c t i o n a n d
o p e r a t i o n .
a n a i r i n l e t c o n n e c t i o n a n d a
p a s s a g e w i t h a l a r g e and s e a t where
t h e w a t e r f l o w can be s t o p p e d .
o u t l e t o f t h e v a l v e b o d y e m p t i e s i n t o
t h e m i x i n g c h a m b e r .
r u b b e r d i a p h r a g m o p e r a t e s a g a i n s t
t h e v a l v e s e a t t o s t a r t and s t o p t h e
f l o w o f w a t e r .
o p e r a t e d b y w a t e r p r e s s u r e .
a' s m a l l b l e e d o r i f i c e o u t s i d e t h e
s e a t c o n t a c t a r e a , and a l a r g e m a i n
o r i f i c e a t i t s c e n t e r .
o f t h e s o l e n o i d s e r v e s t o open and
c l o s e t h e m a i n o r i f i c e .
a r m a t u r e o p e r a t e s w i t h i n a c l o s e d
m e t a l t u b e ( v a l v e g u i d e ) w h i c h i s
s e a l e d b y t h e o u t e r e d g e o f t h e
d i a p h r a g m t o t h e v a l v e body.
s p r i n g h o l d s t h e a r m a t u r e d o w n
a g a i n s t t h e d i a p h r a g m m a i n o r i f i c e
when t h e s o l e n o i d i s n o t e n e r g i z e d .
A h o t w a t e r
T h e i n l e t
The v a l v e body p r o v i d e s
A m o v e a b l e
T h e d i a p h r a g m i s
I t has
The a r m a t u r e
A c o i l
The
T h e
BLEED
;.-
,
Closed
Water Valve
GEAS 061188
ORIFICE

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