Figure 17 - Source 3-Wire Scheme; Figure 18 - Sink 3-Wire Scheme - GasTech F-Guard-IR3-H2 User Manual

The following drawing shows how to wire the detector to act as a current source non-isolated
transmitter (3-wire connection):
Detector
Note: Link between 3 and 11 to be wired on site
The following drawing shows how to wire the detector to act as a current sink non-isolated
transmitter (3-wire connection):
Detector
Note: Link between 4 and 12 to be wired on site
For more information & technical support:
F-Guard IR3-H2 User Manual
1
2
11
3
4
F 17 – S 3-W
IGURE OURCE
1
2
12
3
4
F 18 – S 3-W
IGURE INK IRE
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24VDC
Return
Controller
S
IRE CHEME
24VDC
Return
Controller
S
CHEME
76-M-6010-02-02
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