Optional Equipment
Air–Conditioning System
CSP–900RFM206E–1
ROTORCRAFT FLIGHT MANUAL
MD900 With PW 206E
FAA Approved
Original
10–5
PART II
LIMITATIONS
No change.
PART III
EMERGENCY AND MALFUNCTION PROCEDURES
As with any air conditioning system the installation in the MD900
has several built
in features to prevent damage. The compressor
has an electrically controlled clutch
which is engaged when the
system is turned on. Should the condenser fan fail
the high pressure gas coolant passing through the condenser will not
become a liquid
due to heat retention. This will result in a
higher than normal pressure in the lines
to the evaporator. When
this condition is detected the clutch disengages the compres&
sor to prevent
damage.
An automatic cutoff procedure similar to that for the heat/defog system shuts down
the air conditioner in flight if either engine becomes inoperative to maintain the
best power output from the running engine.
LOSS OF COOLING
Indications:
No cooling air with system ON
Conditions:
Automatic system safety shutdown, or internal failure
Procedures:
•
A/C control switch
OFF
•
Use fresh air vent system as required
Содержание MD900 with PW206E
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