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Service Training
TT-011-0808
Operation and advantages of air conditioning systems
Service Training08.2008 • VSQ/TT • 2/18
Contents
Manual air conditioning system
Climatronic
Climatic
2-zone Climatronic
4-zone climate control
Advantages of air conditioning systems
Comfort zone
Service Training08.2008 • VSQ/TT • 3/18
Manual air conditioning system
Control panel
e.g. Passat `97
Service Training08.2008 • VSQ/TT • 4/18
Climatronic
Control panel
e.g. Passat `97
Service Training08.2008 • VSQ/TT • 5/18
ECON
Climatic
Control panel with seat heater and auxiliary heater
e.g. Golf 2004
F318_097
Service Training08.2008 • VSQ/TT • 6/18
Climatic
F417_161
Control panel Passat CC
Service Training08.2008 • VSQ/TT • 7/18
2-zone Climatronic
Control panel with seat heater and auxiliary heater
e.g. Golf 2004
Service Training08.2008 • VSQ/TT • 8/18
2-zone Climatronic
Changeover of temperature display °C/°F Synchronisation of 2 zones
e.g. Golf 2004
Service Training08.2008 • VSQ/TT • 9/18
2-zone Climatronic
Control panel Passat CC
F417_165
Service Training08.2008 • VSQ/TT • 10/18
2-zone Climatronic
Status display on radio and navigation systems in the Passat CC
F417_176
F417_174
In addition, the display of the radio or radio-navigation system shows information about the Climatronic system. This means, for example, that the temperature is displayed as a pop-up menu when the desired temperature is adjusted.
LEDs in the control elements show if the relevant function is active.
RCD 310
RCD 510, RNS 310, RNS 510
Service Training08.2008 • VSQ/TT • 11/18
2-zone Climatronic
Auto High and AUTO Low
AUTO Low
• Left LED lit
• Fan speed is reduced by one stage.
AUTO High
• Right LED lit
• Fresh air blower runs with standard characteristic map.
Service Training08.2008 • VSQ/TT • 12/18
2-zone Climatronic
Temperature distribution
e.g. Golf 2004
F318_036
Service Training08.2008 • VSQ/TT • 13/18
23°C 19°C
20°C 22°C
4-zone climate control
Temperature distribution
Service Training08.2008 • VSQ/TT • 14/18
4-zone climate control
Operation at front
e.g. PhaetonF270_217
F271_074
F271_146
Service Training08.2008 • VSQ/TT • 15/18
4-zone climate control
e.g. Phaeton
Operation in rear
Service Training08.2008 • VSQ/TT • 16/18
AreaWith air
conditioningNo air
conditioning
Head
Chest
Feet
Impaired concentration and reaction speed
Advantages of air conditioning systems
Comparison with and without air conditioning system
F208_001
Temperatures in a medium class passenger vehicle with:driving time of 1 hr.Ambient temperature 30°Ccar in direct sunlight
Service Training08.2008 • VSQ/TT • 17/18
A: Comfort zone between20 to 22°C.
B: Heart rate and body temperature rise – clammy hands on steering wheel, oxygen deficiency!
C: Temperature increase to approx. 35°C, sensory perception and powers of reasoning reduced by 20%.That equates to a blood alcohol level of approx. 0.5 parts per thousand.
Comfort zone
Reaction of human body when subjected to uncomfortable climates
Comfort zone
Str
ess
/str
ain
Low HighClimate stress
Medium
Perspiration
Heartrate
Body temperature
F208_042
Service Training08.2008 • VSQ/TT • 18/18
Comfort zone
Air flow rate
Low outside temperature: e.g. -20°C
-High inside temperature 28°C
-High air flow rate 8 kg/min
High outside temperature: e.g. 40°C
-Low inside temperature 23°C
-High air flow rate 10 kg/min
Medium outside temperature: e.g. 10°C
-Low inside temperature 21.5°C
-Low air flow rate 4 kg/min
Comfort zone curves
Ambient temperature
Inte
rior
tem
pera
ture
Ai r
f low
rat
e
F208_043
Service Training08.2008 • VSQ/TT • 19/18
Thank you