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EVAPORATION OF ICE CUBES (rop Mount & side-By-side
Moders)
Sin c e i c e cu b e s h a v e a mo i stu re va po r p r e ssu r e a b ove them , t he vapor is const antly being
p ick ed u p i n t h e d ry a ir stre a m a n d de p o site d o n the evaporat or . This physical change
k n o w n a s " s u b l i m a t i o n " , i s t h e c h a n g i n g o f a s o l i d t o a v a p o r w i t h o u t g o i n g t h r o u g h l i q u i d
s ta t e. I n a f o rc e d a i r t re e zer co mpa rtme n t, th is a ction w ill be r eadily not iced by a customer
wh o d o e s n o t us e i ce cu b e s w i th re g u la r ity.
AIR FLOW. FORCED AIR SYSTEMS
Top Mount Models
The b a l a n ce be t w e e n th e a i r flo w i nto th e fr e sh fo od and Ir eezer compart ments is an im-
p or ta nt f a c t o r i n m a i n tai n i ng p ro pe r co mp ar tm e nt tem per atur es in a for ced air r efrigeration
s y st e m . A b a f fl e i s u se d to re gu l a te th e am o u nt o f chilled air dir ect ed int o t he f resh food
c o mp a rt m en t . l f a co l d e r tree ze r co mp a r tm en t te m pe ratur e is desir ed, the baf fle is adjusted
s o t ha t l e s s a i r i s d i re cted i n to th e fre sh fo od com p ar tm ent . T his causes the compr essor to
ru n l on g e r s i n c e t h e co mpr esso r th e rmo sta t se n sing elem ent is located in the f resh food
c o mp a rt m en t .
Co ld ai r i s d ra wn t h r ou g h the fi n a n d tub e e va p or a t or and into the f an. A port ion of the air
is d e fl ec t e d i n t o t h e f r esh fo o d co mpa r tm e nt wh e r e it absorbs heat and ret urns to the f in and
t ub e ev ap o ra to r t h ro ug h p o rts i n th e top o f th e fr esh food compar tm ent Most of t he air
m ov i ng t h ro u g h th e f i n a n d tu b e eva p or a tor , h o we ver , is blow n t hr ough the fr eezer air tun-
n e l a n d c i r cu l a t e d t h r o ug h o u t the fre e zer co m p ar tm ent and back acr oss the f in and tube
e v ap or a to r wh e re i t st a rts an o th e r cycl e.
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