When in the “ON” position, the AC switch (if equipped), indicates that the
compressor is available if the ACCS determines that its operation is required.
Pressing the switch “toggles” the Air Conditioning ON and OFF.
The ACCS has self-diagnostic capabilities which will be displayed on the
screen of the control head to alert the operator, should a system fault occur.
See the table below for denitions of terms and symbols used with the ACCS.
Refer to “Figure 7-79” and “Figure 7-80” for breakouts of system operation
controls.
ECU Electronic Control Unit
ACCS Automatic Climate Control System
AUTO Automatic mode “on” when indicator light is illuminated
ACCS enable. Toggles the ACCS between ON (indicator light illuminated,
as shown) and OFF
Defog mode “on” when indicator light is illuminated.
Air Conditioning (AC) is “on” (compressor is available) when button is
illuminated.
ECS Environmental Control System-Heater/Ventilation System
CCSECU Cabin Climate System Electronic Control Unit
OAT Outside Air Temperature
R-134a Refrigerant, CFC-Free used in the VCS
VCS
Vapor Cycle System - A sealed mechanical refrigeration (air conditioning)
system used to lower the temperature of the air in the aircraft cabin.
Table 7-3 – ACCS Terms and Symbols
NOTE: When the air conditioning “ON” mode is activated, it does not
indicate that the air conditioning is operating, only that it is available for
use by the ACCS if required.
To Next Page
Loading...
Need help?
General