Climate Control - SMART 453 Series Introduction Into Service Manual

Climate control

General
Three climate control variants are available for model series
453. The basic system consists of a heater, with a manual air
conditioning system without automatic temperature control
or a fully automatic air conditioning system with controllable
air distribution available optionally. The heater and manual
air conditioning versions are equipped with a dust and pollen
filter, while the automatic air conditioning system features a
combination filter with activated charcoal.
N23
1
Climate control control and operating unit (N23) (manual air conditioning)
1 Air distribution selector wheel
2 Air flow selector wheel
3 Temperature selector wheel
86
– This printout will not be recorded by the update service. Status: 06/2014 –
Heater and manual air conditioning system
The standard heater and optional manually controlled air con-
ditioning system are equipped in principle with the same ope-
rating unit with rotary actuators. The three controls are used
to adjust the air distribution (left), the fan setting (center)
and the temperature (right). The switch for the rear window
heater is also located in the control panel. In addition, the
manual air conditioning features an A/C switch for switching
the refrigeration system on and off.
The features of the manual air conditioning include:
• Manual adjustment of temperature, blower setting and air
• Scale indicators on the rotary switches
• Defrost Max and recirculated air selector lever
• A/C button
• Temperature sensor in interior compartment
N23s2 2
N23s3
N23s1
N23s2
N23s3
Introduction of the New smart fortwo coupé and smart forfour | Model Series 453
distribution via rotary switches
N23s1
Rear window heater button
"A/C" button
Fresh air/air recirculation mode switch
3
P83.30-4973-00