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3.12
Operation sequence of the burner
Timer - Resolution - Ratio
Timer 3 = max. phase time
RAST plug
PIN number
Thermostat/pressure switch
X3-04 Pin 1/2
safety TS
Thermostat/pressure switch
X5-03 Pin 1/4
indicator TL
X10-05
Pin 2 Pin 3/4
Ionisation probe ION
X10-06 Pin 1/2
Air pressure switch PA
X3-02 Pin 1/2
Min gas pressure switch
X5-01 Pin 2/3
PGmin
Min gas pressure switch
X5-01 Pin 2/3
PGMin
Max gas pressure switch
X5-02 Pin 2/3
PGMax
Gas pressure switch for
X9-04 Pin 2/3
PGVP leak detection control
Alternative to the control
X5-02 Pin 2/3
CPI seal
RAST plug
PIN number
X3-05 Pin 1
Fan motor MV
Transformer of
X4-02 Pin 2/3
TA ignition
Safety valve VS
X6-03 Pin 2/3
Fuel valve V1
X8-02 Pin 1/3
Fuel valve V2
X7-01 Pin 2/3
Pilot valve VP
X7-02 Pin 2/3
Lock-out signal
X3-05 Pin 2
X54
X53
X74
S9024
Signal ON
Signal OFF
Both states are allowed
Technical description of the burner
Phase number
00
02
10 12
5)
27 s
Timer 1 (parameters)
217
Timer 2 (parameters)
213
Input signals
p
P
P
P
P
90°
Nominal load
Pos. of post-purging
Ignition load
Low flame
Pos. without load
0°
90°
Nominal load
Pos. of post-purging
Ignition load
Low flame
Pos. without load
0°
90°
Nominal load
Pos. of post-purging
Ignition load
Low flame
Pos. without load
0°
Start-up
t1
8)
22
24
30
36
38
39
40
42
6)
13)
0,6 s
5 s
30 s
211
230
226
244
227
214
229
12)
7)
7)
7)
3)
15
GB
Operation
Switching off
44
60
62
70
72
74
78
230
233
234
248
212
4)
Checking of
seal
80
81 82
83
90
242
243
244
245
246
2)
9)
9)
Fig. 7
20205882
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