Honeywell Satronic IRD 1020 - Possible Faults and Wiring; Troubleshooting Common Faults; IRD 1020 Terminal Connections

3
CONNECTION OF IRD 1020 TO SATRONIC BURNER CONTROL BOXES
IRD 1020
IRD 1020
IRD 1020
blue
black
brown
blue
black
brown
blue
black
brown
IRD 1020 TERMINALS
1
2
3
4
5
6
7
1 2
brown black blue
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)
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
Control box type TFI 812 DKG 97. DMG 97.
DLG 97.
Terminal no. 8 8 8
Terminal no. 1 1 2
Terminal no. 9 9 9
Control box type MMI MMG
Terminal no. 8 8
Terminal no. 2 2
Terminal no. 9 9
Control box type TMG 740 SGU 930(i)
Terminal no. 8 N
Terminal no. 1 15
Terminal no. 20 1