Cabin Heating, Ventilating And Defrosting System - Cessna TR182 1979 Pilot Operating Handbook

CESSNA
MODELTR182
SECTION 7
AIRPLANE
&
SYSTEMS DESCRIPTIONS
wheel.
The airplane is equipped with a dome light aft of the overhead console.
The light is operated by a slide-type switch, aft of the light lens, which
turns the light on when moved to the right.
The most probable cause of a light failure is a burned out bulb;
however, in the event any of the lighting systems fail to illuminate when
turned on, check the appropriate circuit breaker. If the circuit breaker has
opened (white button popped out), and there is no obvious indication of a
short circuit (smoke or odor), turn offthe light switch of the affected lights,
reset the breaker, and turn the switch on again. If the breaker opens again,
do not reset it.
CABIN HEATING, VENTILATING AND
DEFROSTING SYSTEM
The temperature and volume of airflow into the cabin can be regulated
by manipulation of the push-pull CABIN HEAT and CABIN AIR control
knobs (see figure 7-10).Both control knobs are the double button type with
locks to permit intermediate settings.
NOTE
For improved partial heating on mild days, pull out the
CABIN AIR knob slightly when the CABIN HEAT knob is
out. This action increases the airflow through the systenl,
increasing efficiency, and blends cool outside air with the
exhaust manifold heated air, thus eliminating the possibil-
ity of overheating the system ducting.
Front cabin heat and ventilating air is supplied by outlet holes spaced
across a cabin manifold just forward of the pilot's and copilot's feet. Rear
cabin heat and air is supplied by two ducts from the manifold, one
extending down each side of the cabin to an outlet at the front door post at
floor level. Windshield defrost air is also supplied by a duct leading from
the cabin manifold to an outlet on top of the antiglare shield. Defrost air
flow is controlled by a rotary type knob labeled DEFROST.
For cabin ventilation, pull the CABIN AIR knob out, with the CABIN
HEAT knob pushed full in. To raise the air temperature, pull the CABIN
HEAT knob out until the desired temperature ie
attarnec,
AdditiQn",l
11I;H;1"
is available by pulling the knob out farther; maximum heat is available
1 October 1978 7-39