28
FIOP Smoke Detector Wiring and Response
All units: FIOP smoke detector i s configured to
automatically shut down all unit operations when a smoke
condition is detected. See Fig. 38, Smoke Detector
Wiring.
Highlight A: JMP 3 is factory--cut, transferring unit
control to smoke detector.
Highlight B: Smoke detector NC contact set will open on
smoke alarm conditi on, de--energizing the ORN
conduct or.
Highlight C: 24V power signal using the ORN lead is
remove d at the Smoke Detector input on LCTB; all unit
operations cease immediately.
PremierLink and RTU--OPEN Controls: Unit
operating functions (fan, cooling and heating) are
terminated as described a bove. In addition:
Highlight D: On smoke alarm condition, the smoke
dete ctor NO Alarm contact will close, supplying 24--v
power to GRA conductor.
Highlight E: GRA lead at Smoke Alarm input on LCTB
provides 24--v signal to FIOP DDC control.
Premier --Link: T his signal is conveyed to PremierLink
FIOP’s TB1 at terminal TB1--6 (BLU lead). This signal
initiates the FSD sequence by the PremierLink control.
FSD status is reported t o c onnected CCN network.
RTU--OPEN: The 24--v signal is conveyed to
RT U--OPEN -- J1--10 input terminal. This signal initiates
the FSD sequence by t he RTU--OPEN control. FSD status
is reported to connected BAS network.
Using Remote Logic: Five conductors ar e provided for
field use (see Highlight F) for additional annunciation
functions.
Additional Application Data: Refer to Catalog No.
HKRNKA--1XA for discussions on additional control
features of these smoke detectors including multiple unit
coordina tion. See Fig. 38.
A
E
F
C
D
B
C08246
Fig. 38 -- Typical Smoke Detector System Wiring
50HC
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