Mercedes-Benz Zetros 2020 Operating Instructions Manual page 63

! 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
Operating the climate control systems
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 (
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 (
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.
Y
page 58) as desired.
Y
page 58).
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