Pilot's Operating Handbook
Section 7
Description
Edition 0 - March 05, 2019
Rev. 2
Page 7.10.9
System protection
Power 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, CAB FAN, CKPT 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 all the Vapor Cycle Cooling System (VCCS)