Fiop Smoke Detector Wiring And Response - Carrier 50FC 08-16 Series Service And Maintenance Instructions

FIOP Smoke Detector Wiring and Response

ALL UNITS
The FIOP smoke detector is configured to automatically shut
down all unit operations when a smoke condition is detected. See
Fig. 48, Smoke Detector Wiring.
HIGHLIGHT A
Smoke detector NC contact set will open on smoke alarm condi-
tion, de-energizing the ORN conductor.
Fig. 48 — Typical Smoke Detector System Wiring
HIGHLIGHT B
24-v power signal using the ORN lead is removed at the smoke
detector input on UCB; all unit operations cease immediately.
ADDITIONAL APPLICATION DATA
Refer to the application data document "Factory Installed Smoke
Detectors for Small and Medium Rooftop Units 2 to 25 Tons" for
discussions on additional control features of these smoke detectors
including multiple unit coordination.
A
B
30