P/N 13772-151
41 of 52
Cirrus Design
Section 9
SR22T
Supplements
Section 7 - System Description
The TKS Anti-Ice System can prevent and remove ice accumulation
on the flight surfaces by distributing a thin film of ice protection fluid on
the wing, horizontal stabilizer, vertical stabilizer, elevator tips, and
propeller. The presence of this fluid lowers the freezing temperature
on the flight surface below that of the ambient precipitation preventing
the formation and adhesion of ice.
The system consists of nine porous panels, propeller slinger ring,
windshield spray nozzles, heated stall warning system, ice inspection
lights, two proportioning units, two metering pumps, windshield/
priming pump, 3-way control valve, filter assembly, in-line strainer,
outlet strainers, two fluid tanks with fluid level sensors and low level
switches, filler caps and necks, test port assembly, electrical switching,
and system plumbing. The system operates on 28 VDC supplied
through the 7.5-amp ICE PROTECT A circuit breaker on Main Bus 1
and 5-amp ICE PROTECT B circuit breaker on Essential Bus 2.
Storage and Distribution
Two separate and symmetrical 4.25 gallon (16.1L) deicing fluid tanks
are serviced through filler caps located on the upper LH and RH
wings. Each tank provides a capacity of 4.0 gallons (15.1L) usable and
0.25 gallons (1.0L) unusable, which provides a total system capacity of
8.0 gallons (30.2L) usable. The tanks are sealed wet bays, integral to
the wing structure, bounded by the upper and lower wing skins, main
spar web, and the inboard, outboard, and lateral tank ribs. The tanks
are vented from the outboard ribs to a NACA style ducts attached to
access panels on the lower wing skin, just outboard of the tanks.
Course-mesh outlet strainers mounted internal to the tanks prevent
large objects from obstructing the tank outlets, while a fine-mesh in-
line strainer protects the metering pump and windshield/priming pump
from damage by contaminates
Upon activation, two single-speed metering pumps, mounted below
the LH passenger seat, draw fluid from the tank and provide fluid
pressure to the system at a constant-volume flow rate. The pumps
operate both singularly and in parallel according to system mode
selection.
Original Issue: 02-01-13
Содержание SR22T
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