Specification

MMooddeell
NNuummbbeerr
PPaarrtt NNuummbbeerr VVoollttaaggee
99VVDDCC BBaatttteerryy
BBaacckk--UUpp
FFoorrmm AA// FFoorrmm CC
RReellaayy CCoonnttaaccttss
GN-503 918-0005-002 120VAC

GN-503F 918-0007-002 120VAC
 
GN-503 Series Wiring Diagrams
NOTES:
 If CO portion of device goes into alarm, CO alarms, combination smoke/CO alarms and smoke alarms
NNOOTT
using
legacy tandem wire sound CO event warning.
 If smoke alarm portion of device goes into alarm, all smoke alarms, CO alarms or combination smoke/CO alarms
tandem wired will sound smoke alarm warning.
 When both smoke and CO conditions are present, smoke condition will have priority and alarm will sound smoke
annunciation.
GN-503 Series Combination Smoke/CO Alarm
V
AC
ELECTRICAL
BOX
SMOKE
ALARM
QUICK DISCONNECT
TYPE PLUG
HOT / BLACK
NEUTRAL / WHITE
TANDEM WIRE
BRN / YEL
SMOKE
ALARM
SMOKE
ALARM
ELECTRICAL
BOX
ELECTRICAL
BOX
TANDEM WIRE
RED / YEL
(LEGACY)
120 VOLTS
60Hz
TTOO AADDDDIITTIIOONNAALL
SSMMOOKKEE AALLAARRMMSS,,
CCOO AALLAARRMMSS OORR
SSMMOOKKEE//CCOO AALLAARRMMSS
SSMMOOKKEE
AALLAARRMM
(LEGACY ALARM)
LIMITATIONS:
Maximum of 12 combination
smoke/CO alarms GN-503 may be
connected together. Do not exceed
125 feet between each alarm. Do
not exceed 1125 feet between the
first and last alarm. NOTE: Gentex
smoke alarms can not be intercon-
nected to alarms from other manu-
facturers.
A MAXIMUM OF 12 ALARMS
WITH A RELAY (GN-503F) MAY
BE TANDEM INTERCONNECTED.
The GN-503 may be tandem inter-
connected with other Gentex tan-
dem capable smoke alarms, CO
alarms or smoke/co alarms. To in-
terconnect with Gentex 9000 Se-
ries, 7000 Series, 710CS Series,
7109CS Series, GN-200 Series &
GN-300 Series the LEGACY TAN-
DEM WIRE must be used. Refer to
installation manual for detailed in-
formation.
SSMMOOKKEE // CCOO
AALLAARRMM
SSMMOOKKEE // CCOO
AALLAARRMM