Chevrolet 1977 light duty truck Service Manual page 51

2 . U p o n re m o v a l o f h e a t,
v a p o r b e c om es High
pressure liq u id .
1. R e frig e ra n t
leaves com pressor
as a high pressure
high te m p e ra tu re
v a p o r.
COMPRESSOR
CONDENSER
3 . Liquid re frig e ra n t
flo w rate is re g u la te d
h e re. H igh pressure
liquid becom es low
pressure liquid.
1 6
.
R e frig e ra n t returns
to com pressor as
low pressure v a p o r.
C-K FOUR-SEASON SYSTEM
EXPANSION VALVE
EXCEPT C-K FOUR-SEASON SYSTEM
4. H e a t rem oved from
a ir e n te rin g veh icle
v a p o rize s lo w pressure
liquid.
5 - Liquid re frig e ra n t
a n d v a p o r a re
s e p a ra te d here.
H P. VAPOR
H.P. LIQUID
L.P. LIQUID
L.P. VAPOR £ ^ 3