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303
On
A
0
1
1
2
3
4
5
6
7
8
9
10
B
C
0
1
100%
90%
60%
30%
0
D
1,3 Hz
1,0 Hz
0,8 Hz
0,6 Hz
0
E
F
0
1
0
20
45
65
85
102
seconds
typical
(20)
(60)
(120)
Fig. 301 Functional Diagram (Air Top 2000 without Diagnosis)
1
Start
2
Control Operation
3
Rated Value reached
4
Rated Value exceeded
(e.g. due to reduced heat sumption)
5
Run-down
6
Control Idle
7
Start
8
Control Operation (increased heat consumption)
9
Switch-off
10
Run-down
A = Control Element
B = Temperature Sensor
C = Glow Plug
D = Combustion and Heating Air Fan
E = Dosing Pump
F = Flame Sensor
Air Top 2000
3 Functional Description