Service Training

TT-011-0808

Operation and advantages of air conditioning systems

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Contents

Manual air conditioning system

Climatronic

Climatic

2-zone Climatronic

4-zone climate control

Advantages of air conditioning systems

Comfort zone

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Manual air conditioning system

Control panel

e.g. Passat `97

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Climatronic

Control panel

e.g. Passat `97

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ECON

Climatic

Control panel with seat heater and auxiliary heater

e.g. Golf 2004

F318_097

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Climatic

F417_161

Control panel Passat CC

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2-zone Climatronic

Control panel with seat heater and auxiliary heater

e.g. Golf 2004

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2-zone Climatronic

Changeover of temperature display °C/°F Synchronisation of 2 zones

e.g. Golf 2004

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2-zone Climatronic

Control panel Passat CC

F417_165

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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

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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.

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2-zone Climatronic

Temperature distribution

e.g. Golf 2004

F318_036

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23°C 19°C

20°C 22°C

4-zone climate control

Temperature distribution

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4-zone climate control

Operation at front

e.g. PhaetonF270_217

F271_074

F271_146

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4-zone climate control

e.g. Phaeton

Operation in rear

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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

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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

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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

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Thank you