PREVOST X3-45 2017, Руководство оператора, Страница: 69 / 227

Controls and Instruments
PA1627 X3-45 Operator’s Manual
4-27
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
the ON/OFF 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.
19T
The A/C compressor starts automatically when
the two following conditions are satisfied:
1.
19T
The outside temperature is above 32
19T
°F
(0°C).
2. The passenger's area temperature has
reached 7°F (4°C) under the set point.
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.
A red LED in the top right corner of the button
illuminates when air is recirculated. Use for
faster driver’s section heating.
This feature is automatically cancelled when
defogging is activated.
Driver's section temperature setting
22303
The temperature displayed on the
driver's side HVAC control unit is the
temperature set point.
22132
To increase the temperature set
point, press on the "+" sign, to
decrease the temperature set point,
press on the "-" sign. Temperature
range is between 60°F and 82°F
(16°C to 28°C). On the driver’s side
only, asking for a temperature set
point above 82°F (28°C) will keep
the coolant valve open and “FUL”
will be displayed.
In case of interior temperature
sender unit failure, the coolant valve
will remain open and three lines “---“
will be displayed.
WARNING
Warm temperatures may cause drowsiness
and affect alertness while driving. Keep the
temperature comfortable but not too high.
Passenger's section temperature setting
22304
The temperature displayed on the
passenger's side HVAC control unit is
the actual temperature in the
passenger's area.
22132
To increase or decrease the
temperature set point in the
passenger's area, press on the "+" or
the "-" sign. Pressing these buttons
will flash the displayed set point and
the word "SET" will highlight.
Temperature range is between 60°F
and 82°F (16°C to 28°C).
In case of interior temperature
sender unit failure, the coolant valve
will remain open and three lines “---“
will be displayed.
19T
NOTE
Upon starting, if the outside temperature is
19T
above 32
19T
°F (0°C) and then drops below
19T
32
19T
°F