PREVOST H 2018 Series, Operator'S Manual

Page: 75 / 258

CONTROLS AND INSTRUMENTS 4-33
PA1628 H3-41, H3-45 Operator’s Manual
Cooling Mode Indicator
22134
This green LED i
lluminates 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
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
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. The driver can
nevertheless control the
temperature by adjusting the
temperature set point above 72°F
(22°C) to heat and below 72°F (22° C)
to cool.
NOTE
Upon starting of the vehicle, when the
ambient temperature is very cold and so is the
inside of the vehicle, the HVAC control unit will
permit a temperature overshoot up to 3° over
the passenger’s area set point to help
warming up of the area because some parts of
the vehicle like the seats and the overhead
compartments accumulate cold.
Windshield Defogger
Upon pressing this button, the
dashboard damper sends air only to
the lower windshield. The fan is
turned on to maximum speed, the
fresh air damper opens completely
(REC off) and the driver set point is
increased to 4°F (2°C) over the
passenger's section set point.