TOMARK, s.r.o.
Airplane Maintenance Manual
Chapter 21 Air Conditioning
Page 92
Issue: 11.AUG 2016
Item Description
1
Cockpit air inlets
2
Air vents
3
Air nozzles located inside on left and right instrument panels
4
Control valves
5
Canopy air inlets
6
Ventilation windows
21-40
Heating
The heating system consist of
a heat exchanger
a control valve
two selector boxes
rubber hoses
two Bowden cables
two control knobs.
Fresh air is taken from the inlet located on the bottom of the lower
engine cowling. Through rubber hoses (3) the air is routed to the heat
exchanger (5) at the exhaust muffler (4) and further to the selector
boxes (2).
The control valve is actuated via Bowden cable by the CABIN HEAT
control knob located on the right side of the instrument panel.
From the control valve air is ducted to the distribution box (6), where
the air flow is divided. Then further routed through rubber hoses (3)
to the flanges (2) on the left and right side of the firewall (1) and then
into the cabin.