Mercedes-Benz Zetros 2020, Operating Instructions Manual

Page: 63 / 212

! Turn on the air-conditioning system at
least once a month for approximately ten
minutes. The refrigerant compressor may
otherwise be damaged.
X
To switch on the air-conditioning sys-
tem: start the engine.
X
Press the upper section of air-conditioning
system switch
:
.
Indicator lamp
;
in the switch lights up.
X
To set the temperature: turn the tempera-
ture control to the desired temperature.
X
To switch off the air-conditioning sys-
tem: press the lower section of air-condi-
tioning system switch
:
.
Indicator lamp
;
in the switch goes out.
Example settings
Cooling
X Set the climate control panel as shown in
the illustration.
The example settings show cooling in air-
recirculation mode. Only use air-recircula-
tion mode briefly for rapid cooling or at very
high outside temperatures. If you use air-
recirculation mode as a permanent setting,
this can lead to a lack of oxygen in the cab.
For continuous operation, select fresh air
mode.
X
Switch on the air-conditioning system.
X
Close the roof hatch.
X Open the air vents (
Y
page 58) as desired.
Dehumidifying
X Set the climate control panel as shown in
the illustration.
X
Switch on the air-conditioning system.
X Close the roof hatch.
X Close the air vents (
Y
page 58).
Auxiliary heating
Important safety notes
The auxiliary heating system operates inde-
pendently of the engine and complements the
vehicle heating.
The auxiliary heating system warms the cool-
ant and the vehicle interior, thereby reducing
engine wear and saving fuel.
The auxiliary heating can be switched on and
off using the timer.
Operating the climate control systems
61
Climate control