Checking CO2 content in exhaust gas of auxiliary heater |
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| For the purposes of this test, the auxiliary heater is switched on by way of the rotary knob/pushbutton and the driver information system or using remote control. For activation with remote control, the temperature setting on the operating and display unit, Climatronic control unit -J255- of the air conditioner must however be “Hi”, as otherwise, depending on the ambient temperature, the “auxiliary ventilation” function is activated and the auxiliary heater does not start up. |
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| The auxiliary heater can also be activated for this test by way of the function “Basic setting, display group number 011 or 022” → Chapter. |
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| In function “Basic setting, display group number 022”, the auxiliary heater can be operated up to a coolant temperature of 110° C and starting from control interval is possible. In this case, the operating time is limited to max. 10 minutes. |
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| Necessary test requirements satisfied → Chapter |
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| Preliminary work performed as described → Chapter |
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