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HVAC
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10.1.5.2 FRONT HVAC UNIT
The front HVAC unit in vehicle comprises of the fol-
lowing parts:
i) Blower.
ii) Body Control Module.
iii) Evaporator Coil and Expansion Valve.
iv) Heater Coil
v) Air circulation ducts.
i) BLOWER
The Blower is located at the top on the backside of
HVAC unit when viewed from inside the vehicle. It
acts as a centrifugal pump drawing in air from the
center and pushing it out diagonally. The air flows
through the evaporator and the heater coil and then
to the cabin.
The Blower speed is controlled using a blower con-
trol module.