Aston Martin DB7 Workshop Manual page 293

Air Conditioning //—^ ^ci^^ • ^ ^
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Procedure Normal System Reaction
16. Select ECO Blower flaps revert to fresh air position
17. Select AC Engine revs change then stabilise
18. Select fan speed 3 Small increase in fan speed
19. Select fan speed 2 Fan speed lower
Centre vent and dash end cold
footwell cool
20. Select MAX temperature
allow in-car temperature to stabilise Hot air from footwell,
(Passenger side underscuttle panel must be in place) warm from dash end
2 1 . Select MIN temperature and mid face level System goes to full cooling automatically
Cold air from all vent except from screen vent
Centre vent open
Blower at re-circulation
22. Select DEMIST and full heat Demist vents open, centre vent closes and
blower flaps revert to fresh air position
System check now complete System good.
Note: A small amount of air will bleed from the ends of the demist-defrost vents in all cases, but there should be no leak along
the length of the vents.
8-16 May 1996