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8 Cards in this Set
- Front
- Back
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What are the components of the AC system |
Vapor cycle cooling system AIR cycle unit/air cycle machine Pressurization control Electric heat subsystem |
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Components of the vccs |
Load shed controller Compressor module Condenser/heat exchanger assembly Forward evaporator blower Aft evaporator blower Avionics rack evaporator Avionics backup blower unit |
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The vccs runs on... when on the ground and on... when airborne |
28vdc gpu Right nonessential bus |
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The load shed controller limits right load nonessential bus operations under what conditions |
Engine starts Windshield device system operation Horizontal device operation |
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If the vccs is knocked offline what do you press |
Australia temp control switch to the Off/reset and then back to AUX COOL |
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At what temp will will the vccs not operate |
20F |
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If the low pressure refrigerant line falls below... for more than... seconds the vccs will not operate |
10psi, 20 seconds |
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When will the OVER PRESSURE LOCKOUT switch operate and the vccs will not operate |
High pressure refrigerant line exceeds 320psi |
