ACTi E85 Manual do Utilizador

Subject PageE85 Heating / Air Conditioning System...3IHKS...

10E85 Heating/Air Conditioning SystemAir Volume ControlThe air volume is controlled based on the position of the fresh air/recirculating air flap andb

11E85 Heating/Air Conditioning SystemIHKACompared to the IHKS, the integrated automatic heating and climate control (IHKA) offersthe advantage of auto

12E85 Heating/Air Conditioning SystemSystem Overview of IHKA Input/Output SignalsIInnddeexx EExxppllaannaattiioonn IInnddeexx EExxppllaannaattiioonn1

13E85 Heating/Air Conditioning SystemIHKA Control Panel/Control ModuleThe IHKA control panel/control module is one component and is located in the cen

14E85 Heating/Air Conditioning SystemThe 3 control elements of the control panel/control unit are enclosed by trim rings. Thesetrim rings are clipped

15E85 Heating/Air Conditioning SystemThe light element functions as a light guide. It bundles the light of the LEDs and, due to itsgeometrical shape,

16E85 Heating/Air Conditioning SystemThe vehicle interior temperature sensor has a value range from -49 ºF to 176 ºF. The eval-uation range of the veh

17E85 Heating/Air Conditioning SystemStepper MotorsThe number of steps of the individual stepper motors depends on the adjustment range ofthe driven f

18E85 Heating/Air Conditioning SystemBlowerThe radial blower in the Z4 is mounted transversely in the heater/air conditioner. The blow-er is activated

19E85 Heating/Air Conditioning SystemAir conditioning mode is activated by pressing the A/C button. The ECM is signalled toincrease the idle speed to

2E85 Heating/Air Conditioning SystemE85 Heating / Air Conditioning SystemModel: E85Production: Start of Production MY 2003Objectives:After completion

20E85 Heating/Air Conditioning SystemThe pressure sensor is fitted in the pressure line nearthe receiver/dryer. The supply voltage is 5 V and thecurre

21E85 Heating/Air Conditioning SystemRear Window Defogger Undervoltage/Overvoltage MonitoringTo prevent discharge when the vehicle electrical system i

22E85 Heating/Air Conditioning SystemWhile mixing the air, the IHKA temperature control determines a set position for the mixedair flap to maintain th

23E85 Heating/Air Conditioning SystemAutomatic Air Volume ControlThe air volume is controlled based on the position of the fresh air/recirculating air

24E85 Heating/Air Conditioning SystemThe DEFROST function can be activated as required even when IHKA is switched off (blow-er zero position). The blo

25E85 Heating/Air Conditioning SystemCold Start InterlockThe cold start interlock function intervenes in activation of the air distribution flaps andb

26E85 Heating/Air Conditioning SystemDynamic Pressure CompensationTo prevent uneven air volume as driving speeds vary, dynamic pressure is compensated

Workshop HintsTransport ModeTo preserve the vehicle battery during vehicle transport, IHKA is deactivated. Transportmode is set during vehicle product

28E85 Heating/Air Conditioning SystemVehicle & Key Memory (VKM)The following table shows the vehicle & key memory functions for EE8855 IIHHKK

29E85 Heating/Air Conditioning SystemControl Panel/Control Module MountingThe “island” design requires a different mounting concept. The control panel

3E85 Heating/Air Conditioning SystemE85 Heating / Air Conditioning SystemPurpose of the SystemThis module describes the heating and air conditioning s

30E85 Heating/Air Conditioning SystemReceiver/Dryer MountingThe receiver/dryer is mounted with aplastic bracket to the right wheel archbehind the stru

31E85 Heating/Air Conditioning SystemReview Questions1. What are the “visual” differences that identify IHKA from IHKS?2. How are 3 sets of distributi

4E85 Heating/Air Conditioning SystemSystem Overview of IHKS Input/Output SignalsThe variations of the IHKS system as compared to the IHKA are describe

5E85 Heating/Air Conditioning SystemIHKS Control Panel/Control ModuleIInnddeexx EExxppllaannaattiioonn IInnddeexx EExxppllaannaattiioonn1 Rotary knob,

6E85 Heating/Air Conditioning SystemThe rotary knob for aaiirr ddiissttrriibbuuttiioonn(adjustment range of 360º rotation) features 3 rough set-tings

7E85 Heating/Air Conditioning SystemThe stepper motor for the air distribution and for adjusting the 3 air distribution flaps ismounted directly behin

8E85 Heating/Air Conditioning SystemAA ccaamm mmeeaassuurreemmeenntt ((rreeffeerreennccee rruunn)) takes place the first time the control panel/c

9E85 Heating/Air Conditioning SystemWarm and cold air are mixed for temperature control. The requested temperature is set bythe rotary knob on the con