Pilot's Operating Handbook
Section 7
Description
Edition 1 - January 15, 2018
Rev. 5
Page 7.9.9
System protection
Pow
er for the ECS is supplied by the BUS 2 bar and is protected by the AIR COND
breaker.
Four fans are supplied by BUS 4 bar and protected respectively by following
breakers : COND FAN, CABIN FAN, COCKPIT FAN and GND FAN.
The system includes an automatic load shedding feature which :
- when MAIN GEN is ON :
. turns off the Ground Fan (GF),
. turns off the Condenser Fan (COND FAN),
. opens compressor clutch.
- during engine start :
. turns off the Vapor Cycle Cooling System (VCCS)
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