NOTE: To determine the maximum number of FCI approved, UL Listed, (compatible) two-wire photoelectric
or ionization detectors, FCI CPD, PSD, 301 and SBS series per circuit, see FCI Addendum, P/N 9000-0427.
When configuring the initiating circuits for Class A, Style D, the FCI model VEOL (P/N 1120-0141) may be
required.
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