80% Recirculated Air

Air Volume Switch (S3) At Blower Stage 1 and Automatic Recirculated Air Operation,
Fresh-recirculated air flap set for 80 % recirculated air






S3 Air volume switch
Y13/1 Switchover valve connector block fresh/recirculated air flap, 2-fold
y1 Switchover valve for fresh/recirculated air flap (long stroke)
y2 Switchover valve for fresh/recirculated air flap (short stroke)
30 Vacuum connection at intake manifold
31 Non-return valve
33 Vacuum reservoir
33 Left vacuum element for fresh/recirculated air flap
34 Right vacuum element for fresh/recirculated air flap

Color Code For Vacuum Lines:
mgn median green
hbl light blue
drt dark red
gn green
rt red
gr gray
ws white