Owner's manual

Type 8660 Control Center

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Plug wiring diagram for Control Center 2 and 3

Figure 3 shows the backside of Control Center 2 and 3 with the plug (right) and the

symbol list for the pins (left). The plug holds pins 1 to 36. The symbols for the

individual pins correspond fully with the symbols on the operating elements (see

Figure 7 and Figure 8). For further clarification, the plug wiring diagram is described

again in words in Figure 4.

Figure 3: Backside of Control Center 2 and 3 (Cannon/ITT plug)

Pin Connection Pin Connection

1 24 V 19 front box blower level 2

2 24 V 20 front box blower level 2

3 24 V 21 front box blower level 2

4 ground 22 fresh air / circulation air flap +

5 ignition on (terminal 15) 23 fresh air / circulation air flap -

6 motor on (terminal d+61) 24

feedback Cooling unit on (only with CC 3)

7 illumination (terminal 58) 25 cooling unit (only with CC 3)

front box flaps windshield

26 passenger area floor unit level 2

front box flaps windshield

27 passenger area floor unit level 1

10 front box blower level 1 28 front box blower level 3

11 front box blower level 1 29 front box blower level 3

12 front box blower level 1 30 front box blower level 3

13 passenger area roof unit 31 valve potentiometer, shield

14 supplementary water pump 32 valve potentiometer, ground

feedback Supplementary heater on

33 valve potentiometer, sliding contact

16 supplementary heater 34 valve potentiometer, supply +

front box flaps floor area

35 front box valve motor

front box flaps floor area

36 front box valve motor