Webasto Air Top 3500 Workshop Manual page 15

3 Functional Description
1
on on
Ein
1
A
0
B
1
C
0
100%
90%
60%
30%
D
0
2,0 (2,8)* Hz
0,5 Hz
E
0
1
F
0
0 20
*) AT5000
1 Start
2 Controlled operation
3 Rated (set) value achieved
4 Rated (set) value exceeded
(e.g. due to reduced heat consumption)
5 Run-down
6 Control idle
7 Start
8 Controlled operation (increased heat consumption)
9 Switch off
10 Run-down
302
3
2
116 124 174
Fig. 301 Functional Diagram
4
5 6
Seconds
Sekunden
A = Control element
B = Temperature sensor
C = Glow plug
D = Combustion and heating air fan
E = Dosing pump
F = Flame sensor
Air Top 3500/5000
9
7 8 10
(180)