Pilot's Operating Handbook
Section 7
Description
Edition 1 - January 15, 2018
Rev. 5
Page 7.9.9
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, 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)
PIM - DO NOT USE FOR FLIGHT OPERATIONS