THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 1
Jun 1/03
2C3
21-00-00
GENERAL
Environmental control is available in a standard ram air configuration or one of two optional
configurations.
1. Standard
A. Ram Air Cabin Ventilation (See 21-20-00.)
Fresh air from an inlet on the left rear fuselage is ducted into overhead cabin vents.
B. Ram Air Heat and Defrost (See 21-40-00.)
Fresh air from a heater inlet duct on the lower cowling passes through a shroud around a(the)
muffler(s) and is ducted to the windshield and through the cabin.
2. Optional
A. Fresh Air Blower (See 21-20-00.)
Fresh air from an inlet on the left rear fuselage is ducted into overhead cabin vents by a two-speed
blower mounted aft of the rear closeout panel.
B. Air Conditioning (See 21-50-00.)
If installed, the optional air conditioning system uses a two-speed blower to recirculate cabin air
through an evaporator and filter located in the aft fuselage. The cooled air is then ducted back into
the cabin through the overhead vents.
A compressor mounted on the front of the engine takes heat-laden, vaporized, refrigerant from the
evaporator and pumps it to a condenser mounted in the aft fuselage where it is cooled to a liquid
state and pumped back into the evaporator.
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