krom schroeder IFD 244 User Manual

IFD244, IFD258 · Edition 06.23
EN-10
t
SA
[s]
t
Z
[s]
Type of
ignition
Cycle lock
[s]
3 1.8 TZI 10
5 3 TZI 12
10 6 TZI 15
3 1.8 IFD..I 36
5 3 IFD..I 60
10 6 IFD..I 120
8 3
?
The display blinks and indicates 83?
!
The UV sensor connections for ionization and
N are confused; the UV sensor is signalling a
negative flame signal.
• Check the UV sensor connections and undo
the pole reversal.
9 3
?
The display blinks and indicates 93?
!
The potentiometer for setting the cut-off point is
defective.
• Change the cut-off point setting on the poten-
tiometer for checking.
• If the measure described above does not help,
the unit has probably suffered a hardware
defect– remove the unit and return it to the
manufacturer for inspection.
0 08 8
81- 99
?
The display blinks and indicates 81– 99?
!
System fault – the IFD has performed a safety
shut-down. The cause may be a unit defect or
abnormal EMC influence.
• Ensure that the ignition cable has been
installed properly– see page 4 (6 Cable
installation).
• Ensure that the EMC regulations for the
system are satisfied– particularly for systems
with frequency converters– see page 4 (6
Cable installation).
• Reset the unit.
• Check mains voltage and frequency.
• If the measures described above do not help,
the unit has probably suffered a hardware
defect– remove the unit and return it to the
manufacturer for inspection.
0 08 8
81- 99
?
The display is permanently lit and shows a
dash at the top right.
!
The IFD2xx has detected a fault during internal
tests and performed a safety shut-down.
➔ The fault may have been caused by external
interference during use.
• Ensure that the ignition cable has been
installed properly– see page 4 (6 Cable
installation).
• Check the connection between burner ground
(PE) and automatic burner control unit.
• Adjust ignition gap on burner to max. 2mm.
• Interruptions to the power supply are to be
avoided as far as possible.
• Ensure that the entire system complies with
the requirements of the EMC Directive.
• Press the Reset/Information button and the
On/Off button together for at least 5s.
• If these measures do not help, remove the unit
and return it to the manufacturer for inspec-
tion.
?
IFD does not start even though all faults
have been remedied and the IFD has been
reset?
• Remove the unit and return it to the manufac-
turer for inspection.
12 READING OFF THE FLAME SIG-
NAL AND THE PARAMETERS
• Press the Reset/Information button for 2s.
The display changes to parameter 01.
• Release the Reset/Information button. The
display stops at this parameter and indicates
the related value.
• Press the Reset/Information button again for
1s. The display changes to the next param-
eter. All parameters can be recalled one after
the other in this way.
➔ If the button is pressed only briefly, the display
indicates what parameter is currently being
displayed.
➔ The normal program status is displayed again
approx. 60seconds after the last time the button
is pressed.
Parameter list
01 Flame signal ( 0–25 µA)
04 Burner switch-off threshold ( 2–20 µA)
12
Burner restart:
0 = Immediate fault lock-out
1 = Restart

krom schroeder IFD 244 Specifications

General

Brand	krom schroeder
Model	IFD 244
Category	Control Unit
Language	English