44 ซ.บรมราชชนนี 70 ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวีวัฒนา กทม. 10170. 
website: https://www.add-furnace.com/ โทร: 02-888-3472 
Line ID: @add11 e-mail: add028883472@gmail.com 
Contents 
Automatic burner control unit IFD 258 
. . . . . . . . . . . . . . 
1 Contents  
. . . . . 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
2 
1 Application  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
4 
1.1
 
Examples of application ................................................. 5
 
1.1.1
 
Forced draught burners ......................................................... 6
 
1.1.2
 
Two-stage-controlled burner ................................................ 7
 
1.1.3
 
Modulating-controlled burner .............................................. 8
 
2 Certification 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
9 
2.1
 
EC type-tested and certified ....................................... 9
 
2.2
 
AGA approval ................................................................. 9
 
2.3
 
FM approval ................................................................... 9
 
2.4
 
CSA approval .............................................................. 9
 
2.5
 
Approval for Russia ........................................................... 9
 
3 Function 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
10 
3.1
 
Connection diagrams ................................................... 10
 
3.1.1 IFD 258 ............................................................................ 10
 
3.1.2 IFD 258..I ............................................................................... 12
 
3.2
 
Program sequence ................................................... 13
 
3.3
 
Animation .................................................................... 15
 
3.4
 
Program status and fault messages .......................... 16
 
3.4.1 Reading off the flame signal .................................................. 17
 
4
 
P
ar
am
e
t
er
s
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
 .
18
 
4.1
 
Scanning the parameters ............................................. 18
 
4.2
 
Flame control ........................................................... 19
 
4.2.1 
Burner flame signal ......................................................... 19
 
4.2.2 
Switch-off threshold of the flame amplifier ........................ 19
 
4.3
 
Behaviour during start-up ............................................ 20
 
4.3.1 
Normal start-up ................................................................... 20
 
4.3.2 
Start-up without flame signal ............................................. 20
 
4.3.3 
Flame simulation ............................................................. 21
 
4.4
 
Behaviour during operation .......................................... 22
 
4.4.1 
Safety time during operation t
SB 
for V1 and V2 ................... 22
 
4.4.2 
Fault lock-out or restart ...................................................... 22
 
5
 
R
e
p
l
a
c
e
m
e
n
t
 
p
o
ss
ibi
l
i
t
i
e
s
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
 
 .
24 
6 Selection  
. . 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
25 
6.4.1 Calculating the safety time t
SA
 ....................................................... 
25
 
6.1 Selection table ............................................................. 26
 
6.1.1 Type code ............................................................................. 26
 
7 Project planning information   
. . . . . . . . . . . . . . . . . . . . . 
27 
7.1
 
Cable selection .............................................................. 27
 
7.2
 
Star electrodes .............................................................. 27
 
7.3
 
Purge ........................................................................ 28
 
7.4
 
Emergency stop in the event of fire or electric shock  28
 
7.5
 
Emergency stop triggered by safety interlock .............. 28
 
7.6
 
Overload protection ..................................................... 28
 
7.7
 
Parallel reset ................................................................ 29
 
7.8
 
Remote reset ............................................................... 29
 
7.9
 
Behaviour in the event of flame failure ........................... 29
 
7.10
 
Wiring .................................................................... 30
 
7.11
 
Note on EC type-examination ................................. 30
 
7.12
 
Installation of solenoid valves for gas ........................ 30
 
7.13
 
Flame control .......................................................... 31
 
7.13.1 
With ionization sensor ...................................................... 31
 
7.13.2 
With UV sensor UVS ........................................................ 31
 
7.14
 
Flame signal switch-off threshold .............................. 31
 
7.15
 
Commissioning ............................................................ 31
 
7.16
 
Two-stage burner control with two solenoid
 
valves .................................................................................. 32
 
7.17
 
Short-circuit fuse .................................................... 33
 
8 Accessories 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
34 
8.1
 
High-voltage cable ................................................... 34
 
8.2
 
Radio interference suppressed electrode
 
adapters ............................................................................ 34
 
9
 
T
e
c
hn
ic
a
l
 
da
t
a
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
  .
 
 .
35
 
IFD 258 ·  Edition 03.12l  = To be continued  2