Eclipse 500 System Manual page 221

Section 9. Climate Control Eclipse 5OO Systems Manual
ISOLATION AND CABIN SHUTOFF VALVES
Bleed air from each flow control valve is routed to one of two zones, cockpit or cabin.
Routing of bleed air is controlled by two valves, an isolation valve and a cabin shutoff
valve. Valve position is indicated on the pressurization synoptic. During normal
operation, the right engine's conditioned bleed air will be routed to the cockpit
(forward evaporator) and prevented from flowing to the cabin through the isolation
valve. Respectively, the left engine's conditioned bleed air will be routed to the cabin
(aft evaporator) through the cabin shutoff valve and prevented from flowing to the
cockpit by the isolation valve.
Figure 129. Cabin Isolation and Shutoff Valves
Isolation Valve ........... Isolates the left bleed air source from the right bleed air source.
Cabin Shutoff Valve ...........................................Regulates bleed air going to the cabin
The isolation and cabin shutoff valves are automatically controlled by the ACS, with
manual override available through the use of the air distribution (AIR DISTR) line
select key on the pressurization synoptic. Changing air source selections with the AIR
SOURCE switch or activating cabin dump will always override the pilot's previous
selection from the AIR DISTR line-select key on the MFD. In the event that the pilot
selects the AIR SOURCE switch to OFF, L or R an AIR SOURCE SELECTOR status
message appears.
Copyright © — Eclipse Aviation Corporation
Version 2.0 April 2007
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