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Bader KR-454 Operating Instructions Manual

Manual is about: air conditioner controller

Summary of KR-454

  • Page 1

    Digital air- conditioner controller kr- 454 operating instructions neoplan air- conditioner- controller kr-454 october 1998 version 1.14 industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 7141 / 6...

  • Page 2: Caution!

    Digital air- conditioner controller kr- 454 caution! Important safety tips: as a leader of a vehicle you must dedicate full attention to the traffic. Always operate with your controller in a way that you are equal to the current traffic situation. In critical situations we advise against operating. ...

  • Page 3

    Digital air- conditioner controller kr- 454 contents: page 1.....Key assignment on the front panel 4 key assignment air-cond. Controller passenger compartment 5 .......Led-display 5 2.....Quick-start operating instructions 6 3.....Description of key function 7 3.1. .Operation driver's cockpit (front...

  • Page 4

    Digital air- conditioner controller kr- 454 1. Key assignment on the front panel key assignment, temperature, driver's cockpit (front box) key s1: front box fan, stage i key s2: front box fan, stage ii key s3: flap, fresh air/circulating air key s4: flap, screen + screen defrost key s5: flap, driver...

  • Page 5

    Digital air- conditioner controller kr- 454 key assignment, air-conditioner control system, passenger compartment key s6: -automatic mode with ignition switched on -diagnostic mode with ignition switched off with s9 key s7: -ventilation mode, stage i key s8: -ventilation mode, stage ii key s9: -flap...

  • Page 6

    Digital air- conditioner controller kr- 454 2. Quick-start operating instructions these instructions provide you with general information on the individual functions of the kr-454 air-conditioner controller. Display the outside temperature is always displayed as the basic display with the ignition s...

  • Page 7

    Digital air- conditioner controller kr- 454 3.1. Operation, driver's cockpit (front box) s15 s16 setting the setpoint for the temperature of the driver's cockpit setting- and display range 0-100% in 1%-steps with the standard model without air-conditioning. With air-conditioned front box with incorp...

  • Page 8

    Digital air- conditioner controller kr- 454 the flap is opened or closed if you press the key shorter than 2 seconds. The key - led s4 flashes with open flap. The defrost function is initiated if you press the key longer than 2 seconds. That means: - flap screen opens, key - led s4 blinks - flap cen...

  • Page 9

    Digital air- conditioner controller kr- 454 s17 s18 setting the setpoint for temperature upper deck setting- and display range from 18°-28° c the actual setpoint of the upper deck is displayed by a short pressing (press and release) of keys s17 or s18. Display => f.Ex. “ 20 “ you can change the setp...

  • Page 10

    Digital air- conditioner controller kr- 454 running. The fan and the air- conditioner are always switched off when you switch off the ignition. The motor valves and flaps remain in position. In automatic mode the passenger compartment temperature is automatically regulated to the temperatures set wi...

  • Page 11

    Digital air- conditioner controller kr- 454 s11 convectors this key can be used to switch the convectors on and off. They are also controlled via their own sensor in ventilation mode, dependent on the set temperature (setpoint keys s17, s18, s19, s20). The measured passenger compartment temperature ...

  • Page 12

    Digital air- conditioner controller kr- 454 precondition: engine off, ignition off! You can call clock-set mode with key s14. Keys s12 and s13 light. The current system time is displayed on the display. If you do not press any other key, the display disappears after approx. 5 seconds and the previou...

  • Page 13

    Digital air- conditioner controller kr- 454 however, after you press key s14 (setting mode), you must then, within approx. 5 sec press s10 (auxiliary heating system) s10 then, as when setting the time, you must program the required switch-on time for the auxiliary heating system and confirm this wit...

  • Page 14

    Digital air- conditioner controller kr- 454 this error and fault diagnosis program runs, as it were, "in the background" during normal air-conditioner operation and monitors the sensors, setpoint potentiometers and valve potentiometers and the switched outputs of the valve motors and other loads for...

  • Page 15

    Digital air- conditioner controller kr- 454 these errors are displayed again each time you switch on the ignition in order to indicate the defect to you. The contents of the error memory must be cleared manually when the error has been rectified. 4.2 calling and clearing the contents of the error me...

  • Page 16

    Digital air- conditioner controller kr- 454 error 6 discontinuity, -"- error 7 short circuit, roof duct sensor lower deck error 8 discontinuity, -"- error 9 short circuit, convector sensor, front lower deck error 10 discontinuity, -"- error 11 short circuit, convector sensor, rear lower deck error 1...

  • Page 17

    Digital air- conditioner controller kr- 454 error 85 front box stage 1 overcurrent error 86 front box stage 2 overcurrent industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 7141 / 68877 - 39 page:...

  • Page 18

    Digital air- conditioner controller kr- 454 5. Special functions 5.1 intensity control of the led-displays the kr-454 air-conditioner controller features an intensity control which dims the display when the vehicle's headlights are on. The driver himself can set the intensity in 2 stages. The intens...

  • Page 19

    Digital air- conditioner controller kr- 454 5.2 maximum/ minimum setting of the setpoint controls, passenger compartment temperature (override-mode) s17 s18 override - mode heating (uncontrolled heating) set setpoint temperature to max. 28°c with key s18/s20 and release it. Then press key s18/s20 lo...

  • Page 20

    Digital air- conditioner controller kr- 454 5.4. Reset of the internal memory in case of an error the internal memories of the air-conditioner controller kr-454 can be reset by interrupting the air-conditioner centre's power supply, by pressing the emergency switch module or by a reset with the keys...

  • Page 21

    Digital air- conditioner controller kr- 454 5.6. Encoding with vehicles without air-conditioning if the vehicle has no air-conditioning the air-conditioner must be encoded accordingly. To do this fix a 24v-signal terminal 15 (ignition) to the control input air-conditioner check-back (plug x2 pin 9) ...

  • Page 22

    Digital air- conditioner controller kr- 454 6. Accessory units 6.1. Emergency ventilation switch and rs-232 computer interface the emergency switch module fbs-477 features an emergency switch for the roof duct fans and a separate socket for the computer interface to diagnose the air-conditioning sys...

  • Page 23

    Digital air- conditioner controller kr- 454 (alternatively you can also use the previous control unit fbs-450 with potentiometer.) you can also switch on two different fan speeds of the front box by pressing keys s3 and s4 eingeschaltet werden (s3 > stage 1; s4 > stage 2). If the front box features ...

  • Page 24

    Digital air- conditioner controller kr- 454 this test program tests the key lighting on the control section. The leds in the keys light one after the other. You will see “led“ on the display. You can quit the test program by pressing key s6 ( auto ). Program 2: this program is used to test the 7-seg...

  • Page 25

    Digital air- conditioner controller kr- 454 program 5: this test program is used to test the valves. You can select valves 1...6 with keys s12 and s13. The valve number is displayed on the left on the display, and the valve setting from 0% to 100% is displayed on the right. You open or close each of...

  • Page 26

    Digital air- conditioner controller kr- 454 you can select the outputs 1...16 with this test program. The number is displayed on the right on the display. You quit the test program by pressing key s6 ( auto ). By pressing key s14 “time“ you can switch the outputs on and off. Assignment of the output...

  • Page 27

    Digital air- conditioner controller kr- 454 you will see "v2" on the left on the display. You can select the outputs 1...8 with keys s12 and s13. The number is displayed on the right. Assignment of the outputs: output 1: roof duct valve upper deck close output 2: roof duct valve upper deck open outp...

  • Page 28

    Digital air- conditioner controller kr- 454 box valve, the driver need not enter f.Ex. 10 or 20 steps till water actually flows through the valve. Danger: if the entered value is too high the valve doesn't close completely any more! Minimal angle: display 0 - 100 (100: valve at min. Almost open !!) ...

  • Page 29

    Digital air- conditioner controller kr- 454 8.1 connecting diagram emergency switch / front box control fbs-450 industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 7141 / 68877 - 39 page: 29 of: 42...

  • Page 30

    Digital air- conditioner controller kr- 454 plug connection x1 8.2 connecting diagram emergency switch / front box control fbs-450 industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 7141 / 68877 -...

  • Page 31

    Digital air- conditioner controller kr- 454 plug connection x2 9. Service-information kr-454 industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 7141 / 68877 - 39 page: 31 of: 42 04541530.Sdw issue...

  • Page 32

    Digital air- conditioner controller kr- 454 basic connecting diagram of the air-conditioner 10. Block schema of control in double-decker-coach industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 71...

  • Page 33

    Digital air- conditioner controller kr- 454 11. Technical data industrie-elektronik control and regulating systems for vehicle air conditioning d-71691 freiberg a.N., siemensstr.21 phone: +49 7141 / 68877 - 0 fax: +49 7141 / 68877 - 39 page: 33 of: 42 04541530.Sdw issue: october 1998 - copyright (c)...

  • Page 34

    Digital air- conditioner controller kr- 454 inputs: 11 analog inputs to connect temperature- or other sensors 8 digital inputs optically uncoupled 6 valve check-backs for prop. Valves (s.Full-bridge outputs) outputs: 2 power outputs 15a max. Load current of all power outputs 15a 13 small power outpu...

  • Page 35

    Digital air- conditioner controller kr- 454 e1 working-hour-meter not set to “0“ position: integrated in the unit reason : first operation or exchanging the program measure: acknowledge display, switch ignition off and on e3 short circuit outdoor sensor position: under the bumper, front, left reason...

  • Page 36

    Digital air- conditioner controller kr- 454 plug connection broken cable cut off or broken measure: check connection at the air-conditioner controller or sensor check cable in its full length e9 short circuit convector sensor front lower deck position: above the convector on the right side, 13.-14. ...

  • Page 37

    Digital air- conditioner controller kr- 454 cable cut off or broken measure: check connection at the air-conditioner controller or sensor check cable in its full length e15 short circuit sensor roof duct upper deck position: in the air duct on the right side upper deck, last seat row reason : sensor...

  • Page 38

    Digital air- conditioner controller kr- 454 position: behind the steering wheel in the pedal area reason : a wire of the sensor is disconnected plug connection broken cable cut off or broken measure: check connection at the air-conditioner controller or sensor check cable in its full length e23 shor...

  • Page 39

    Digital air- conditioner controller kr- 454 e34 stationary heating (webasto) no check-back position: the stationary heating is located at the water station in the engine compartment or in a separate compartment very close to the engine compartment. Reason: control unit failed fuel supply interrupted...

  • Page 40

    Digital air- conditioner controller kr- 454 measure: check plug connection, valve and cable replace motor valve if necessary (no.1808.001.11) e39 prop valve roof duct upper deck potentiometer defective position: the water valve is located behind the first step in the staircase central entrance reaso...

  • Page 41

    Digital air- conditioner controller kr- 454 replace motor valve if necessary (no.1808.001.11) e43 setpoint potentiometer front box upper deck discontinuity position: fbs in the instrument panel above the air-conditioner controller reason : cable broken or unit defective measure: check cable course c...

  • Page 42

    Digital air- conditioner controller kr- 454 e84 outputs (total current) overloaded position: all loads connected to the air-conditioner controller (motor valves, relays, webasto, etc.) reason : drawing of total current at the relay outputs more than 2a loads without auxiliary relays connected direct...