26 © 2021 All rights reserved. Data subject to change without notice.
FCS - Installation Manual Rev. C | 2021.12
Commonly used wire colours for positive, negative and analog VDC wires are:
• Red for positive (+) 24 VDC power
• Black for negative (-) Ground
• White or Green for analog signal
Option -AI board to CGAS-A Analog Gas Detector
NOTE: DO NOT USE solid-core wire for connection to wiring terminal strip. Any damage
caused by using solid-core wire will void warranty. Use stranded wire pigtails 18 awg
within the enclousre to connect to the circuit board. The rigidity of solid-core wire can pull
a soldered terminal strip completely off a circuit board and this will not be covered under
warranty.
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