Controls and Instruments
35
Galley (Optional)
06241
This switch activates the galley’s
electrical circuit.
Front Camera Switch (Optional)
06334
Press this switch to turn ON the
camera in the windshield and
display the road ahead on the
passenger TV monitors. When the
front camera is not enabled, the TV
circuit reverts to the video cassette
player output.
HVAC Control Unit
22296
The vehicle is slightly pressurized by the central
HVAC system to prevent dust and moisture from
entering. Air flow and controls divide the vehicle
into two areas: driver’s area with defroster and
passengers’ area.
Fresh air is fed in each area and has a separate
return air and discharge air duct.
NOTE
To operate the air conditioning system when
stationary, run engine at fast idle. When the
system is running, keep windows and door
closed.
To prevent battery run-down, the central A/C
and heating systems will not operate if the
charging system is not working properly.
When the A/C system is running, park at least 4
feet (1,5 m) from other vehicles or buildings to
allow sufficient air flow through the condenser
core.
Separate driver and passenger heating,
ventilation and air conditioning controls are
located on this panel. To operate, the vehicle’s
engine must be running.
The driver’s and the passengers’ units may be
turned ON by pressing
button.
Also, the driver's HVAC section turns on
automatically at starting of the engine and uses
the settings that were kept in memory before
turning off of the system.
The A/C compressor starts automatically when
the two following conditions are satisfied:
1. The outside temperature is above 32°F
(0°C).
2. The passenger's area temperature has
reached 7°F (4°C) under the set point.
NOTE
Upon starting, if the outside temperature is
above 32°F (0°C) and then drops below 32°F
(0°C), the compressor will keep running up to
a temperature of 15°F (-9°C) to prevent
condensation from forming on the windows.
All parameters set before turning the system
OFF will be kept in memory for the next power
ON.
The HVAC module performs a self diagnosis
every time it is turned ON. Codes are shown on
displays or flashed on control buttons. Refer to
"Maintenance Manual" for more information on
the diagnostic codes.
Heating Mode Indicator
22131
This red LED illuminates when system
is heating.
Cooling Mode Indicator
22134
This green LED illuminates when the
system is cooling (when the
compressor clutch is engaged).
Fan Speed
22135
The driver’s fan has six speeds.
Increase speed by pressing on the
upper portion of the button,
decrease by pressing on the lower
portion.
Recirculate
22138
Closes or opens the driver's and
passenger's section fresh air
damper.
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