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44
ซ
.
บรมราชชนนี
70
ถ
.
บรมราชชนนี
ศาลาธรรมสพน์
ทวีวัฒนา
กทม
. 10170.
: 02-888-3472
Line ID: @add11 e-mail: [email protected]
▼
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 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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
for V1 and V2 ................... 22
4.4.2
Fault lock-out or restart ...................................................... 22
5 Replacement possibilities . . . . . . . . . . . . . . . . . . . . . . . .24 6 Selection . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.4.1 Calculating the safety time t
SA .......................................................
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 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
IFD 258 · Edition 03.12l
= To be continued
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