Schematic diagram of the heating and air conditioning system
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1 - Illumination of heater control devices
2 - LED 3
3 - LED 2
4 - LED 1
5 — the Switch of a supercharger of a heater/evaporator
6 - Plug - heater control wiring to central wiring (13 contacts)
7 - Plug - section of the front wiring to the heater control devices
8 - Fuse - heater blower
9 - Fuse - additional fan stage 2
10 - Fuse - signal lamp, reverse signal lamps, tachometer and mirrors (power distributor)
11 - Temperature switch 91°C - stage 1
12 - Temperature switch 99°C - stage 2
13 - Air conditioner switch
14 - Water valve
15 - Evaporator temperature controller
16 - Air conditioning control unit (heater controls)
17 - Plug - additional fan motor (on the auxiliary fan motor)
18 - Relay - additional fan stage 2 (on the power distributor)
19 - Relay - additional fan stage 1 (on the power distributor)
20 - Switch - high pressure pressure switch (Dryer)
21 - Switch - temperature 110°C (only for 524 td)
22 - Heater blower motor
23 - Evaporator blower motor
24 - Plug - high pressure pressure switch to the electromagnetic clutch
25 - Evaporator temperature sensor (in the evaporator)
26 - Heater temperature sensor (in the heater)
27 - Internal temperature sensor (bottom left trim panel)
28 - Electromagnetic clutch for the compressor
29 - Additional fan motor
2 - LED 3
3 - LED 2
4 - LED 1
5 — the Switch of a supercharger of a heater/evaporator
6 - Plug - heater control wiring to central wiring (13 contacts)
7 - Plug - section of the front wiring to the heater control devices
8 - Fuse - heater blower
9 - Fuse - additional fan stage 2
10 - Fuse - signal lamp, reverse signal lamps, tachometer and mirrors (power distributor)
11 - Temperature switch 91°C - stage 1
12 - Temperature switch 99°C - stage 2
13 - Air conditioner switch
14 - Water valve
15 - Evaporator temperature controller
16 - Air conditioning control unit (heater controls)
17 - Plug - additional fan motor (on the auxiliary fan motor)
18 - Relay - additional fan stage 2 (on the power distributor)
19 - Relay - additional fan stage 1 (on the power distributor)
20 - Switch - high pressure pressure switch (Dryer)
21 - Switch - temperature 110°C (only for 524 td)
22 - Heater blower motor
23 - Evaporator blower motor
24 - Plug - high pressure pressure switch to the electromagnetic clutch
25 - Evaporator temperature sensor (in the evaporator)
26 - Heater temperature sensor (in the heater)
27 - Internal temperature sensor (bottom left trim panel)
28 - Electromagnetic clutch for the compressor
29 - Additional fan motor