BEECH CRAFT Bonanza
V35, V35A & V358 thru D-9947
ENVIRONMENTAL SYSTEMS
CABIN HEATING
Section VII
Systems Description
A heater muffler on the right engine exhaust stack
provides for heated air to five outlets in forward and aft
areas of the cabin. Two forward outlets are located above
and forward of each set of rudder pedals. One aft outlet is
installed behind the right front seat and a second one
under the right rear seat. The fifth outlet provides heated
air for windshield defrosting.
On the V35 and V35A, fresh ram air is picked up through
an intake on the rear engine baffle. passes through the
heater muffler, then into a mixer valve on the forward side
of the firewall. In the mixer valve, the heated air is
combined with a controlled quantity of unheated ram air
which enters an intake on the right side of the nose. Air of
the desired temperature is then ducted from the mixer
valve to the outlets in the cabin.
On the V358, fresh ram air enters an intake on the right
side of the nose, passes through the heater muffler, then
into a mixer valve on the forward side of the firewall. In the
mixer valve. the heated air is combined with a controlled
quantity of unheated ram air picked up at an intake at the
rear engine baffle. Air of the desired temperature is then
ducted from the mixer valve to the outlets in the cabin.
HEATER AND DEFROSTER OPERATION
The cabin heat control is located on the upper right sub-
panel in the V35 and V35A models and on the lower left
subpanel in the V358. To provide heated air to the cabin
outlets, pull the CABIN HEAT control. The control regulates
the amount of cold air that is mixed with the air from the
January 1982
7-35
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