SILENT KNIGHT 4821 Manual de Instalação Página 47

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Control Panel Description and Installation
150964 4-3
4.4 Terminal Strip Description
Table 4-1: Control Panel Terminal Descriptions
Name Terminal Description Electrical Ratings
AC AC Input 18 VAC, 60 Hz, 50VA
AC AC Input 18 VAC, 60 Hz, 50VA
EARTH Earth Ground 0 VDC
N.O. Relay Contact (Normally Open) 2.5 Amps max. @ 24VDC
Must be connected to power limited sources only
COM Relay Contact (Common)
+12V Accessory Power (+) 12 VDC, 1 Amp max.
+SMK Smoke Detector Power (+) 12 VDC, 1 Amp max.
GND Circuit Ground 0 VDC
EXT SPK External Speaker (+) 8 ohm, 15 watt min. rating speaker output
INT1 SPK- Internal Speaker #1 (-)
INT+ Internal Speaker (+) (1) 8 ohm, 5 watt, or (3) 45 ohm, 1 watt
INT2 SPK- Internal Speaker #2 (-)
S2- SBUS #2 (-) 0 VDC
S2+ SBUS #2 (+) 12 VDC, 1 Amp max.
A2 SBUS #2 (data) 5 VDC
B2 SBUS #2 (data) 5 VDC
S1- SBUS #1 (-) 0 VDC
S1+ SBUS #1 (+) 12 VDC, 1 Amp max.
A1 SBUS #1 (data) 5 VDC
B1 SBUS #1 (data) 5 VDC
1 Zone 1 Input 12 VDC, 50mA max.
.079 VDC Nominal
(Note that this zone is rated differently from other
inputs.)
C+ Zones 1 and 2 Power Output All zone power outputs: 12 VDC
Use ESL Model 449CT 4-wire smoke detector.
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