Spectrex 20/20SI Triple IR (IR3) Flame Detector User Manual
Page 52
Spectrex Inc. - SharpEye
TM
IR3 Flame Detector Manual – TM 20/20I, Rev. (6) August 2004
44
Figure 16: 4-20mA wiring
Notes
:
The detectors are factory set to isolated 4-20mA sink version. To work at non-
isolated 4-20mA version (source), connect Terminal 12 to Terminal 1. The 4-20mA
meter are connected between Terminal 11 and Terminal 2.