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Possible faults
1. LED's light up during the pre-purge phase (control
box switches to lockout):
a) Sensitivity set too high
b) Stray light
c) Ignition spark visible to detector (directly or reflection).
Correct by preventing direct sight of ignition spark.
d) Interference from ignition cable (lay cables some
distance apart, or possibly screen the detector).
2. No indication from LED's after establishment of flame:
a) Incorrect or faulty wiring
b) Sensitivity set too low
c) Detector positioned wrongly (receives no light)
d) Detector or viewing window dirty
e) Defective detector
f)
IRD flange M93 defective (cracks or other mechanical
defects)
CONNECTION OF IRD 1020 TO SATRONIC BURNER CONTROL BOXES
IRD
1020
IRD
1020
IRD
1020
The standard-sensitive version of the IRD 1020 has a
blue inprint. White or red inprints are marking detectors
with special attributes.They may be used only on
burners which are approved for these detectors.
IRD 1020 TERMINALS
Control box type
blue
Terminal no.
black
Terminal no.
brown
Terminal no.
Control box type
blue
Terminal no.
black
Terminal no.
Terminal no.
brown
Control box type TMG 740
blue
Terminal no.
black
Terminal no.
brown
Terminal no.
3
1
brown
black
TFI 812
DKG 97.
DLG 97.
8
1
9
MMI
8
2
9
SGU 930(i)
8
1
20
2
blue
DMG 97.
8
8
1
2
9
9
MMG
8
2
9
N
15
1
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