Audi Q7 361 - Four-Zone Refrigerant Circuit

Air conditioning
Re fr iger an t cir c ui t o f the f o ur -zon e del u xe a u tom a ti c ai r co ndi t io ner
T h e tw o evapor at ors of the f o ur -zone a i r conditioner ar e integr ated in pa r a lle l int o the r e friger a n t c i rcuit. T h ey ar e
bo th sup p lied by a sing le e x tern al ly-c o n tr o lled c o mp r e ssor . I n the c a se of a V6 TDI engine, the comp r e ssor
is dr iven via a mul i - V bel t a nd in the c a se of a V8 F S I eng i ne, vi a a drive sha f t.
T h e r e c e ive r is integ r ated in the c onden ser a nd c o nta i ns the dryer c a r t ridge. C u rr en tly , this c a n be r e pla c ed
witho u t r e moving the condenser wh e n the r e friger ant circ uit is empty . T h e r e cei v er is instal led o n the ri ght
side of the c o nde n ser .
Re friger ant temp er at ur e se nder
G45 4
Comp r e ss o r
D r yer c a rtri dge
Service con n e cti o n
High -p r e ssur e s e n d er G 65
Service con n e ct ion
Expans io n val v e
T h e desi gn an d
c h aracte rist ic curve of
th e f ron t e x p a ns i o n va l v e
di ff er fr om those of the
re ar o n e .
Expa n s io n v a lv e 1
Bl o w e r in fr on t ai r
co nd iti o n e r un it
Ev ap or at o r i n fr on t
a
i r con di t io ne r uni t
Ev ap or a t or temp er at ur e sen s o r
G3 08
Lo w p r e s su re
Hi gh press u r e
Fr esh air
Reci rculat ed air fr om the pa ssen g er
compar tment
* depend ing on engi ne
Expans io n val v e 2
E v ap or at o r i n r e ar ai r c o n di t io ner uni t
361 _ 117
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