550-0004-000
SELECTABLE CANDELA CEILING
STROBE AND HORN/STROBE
ADDITIONAL CAN/ULC LISTED PRODUCT INFORMATION IS FOUND ON PAGE 4
I. INTRODUCTION
The Gentex Model GCS24, GCC24, GCSA24, GCCA24, GCSB24, GCCB24, GCSG24, GCCG24, GCSR24, GCCR24, strobe and horn/strobe, is a high quality visible or audible/visible signaling
appliance intended for ceiling applications. The high intensity strobe utilizes a Xenon flash tube that generates a high-intensity flash visible from all angles. This appliance is intended
to provide a visible or audible/visible, depending on the model, notification signal for the purpose of life safety and property protection. This appliance is ideal for any occupancy that
requires notification appliances per the applicable building or fire code or wherever dependable alarms are required. The GCS24 and GCC24 strobe is listed in compliance with
ANSI/UL 1971, Signaling Appliances for the Hearing Impaired. The GCSA24, GCCA24, GCSB24, GCCB24, GCSG24, GCCG24, GCSR24, GCCR24 strobe is listed in compliance with ANSI/UL
1638, Visual Signaling Appliances - Private Mode Emergency and General Signaling.
II. LOCATION
This appliance is intended for use in fire alarm systems and is to be installed in accordance with this manual, the recommendation of the local authorities having jurisdiction, and
other NFPA documents that provide standards on notification appliances for protective signaling systems. The GCS24, GCC24, GCSA24, GCCA24, GCSB24, GCCB24, GCSG24, GCCG24,
GCSR24, GCCR24 is intended for indoor installations only. This appliance is not listed for outdoor or drip proof applications. Spacing for the GCC24/GCS24 shall be in accordance with
Table A. If a room configuration is not square, the room size that will entirely encompass the room or subdivide the room into multiple squares shall be used.
III. MOUNTING, ROUGH-IN BOX AND RUN WIRING
This unit is designed for mounting to most single gang boxes, 4" square outlet boxes, 2-gang masonry boxes or non-metallic 2-gang switch boxes. Conduit entrance to boxes should
be selected to insure sufficient wiring clearance.
1.
Run a minimum 18 gauge insulated 2 or more conductor cable.
2.
Mount a box for each remote signaling appliance. Screw bracket onto box. Insert signal into bracket and slide to the right firmly into the terminal block receptacle.
Insert mounting screw as shown and tighten. Cover assembly with the plastic housing.
NOTICE: WIRING SHOULD BE CONNECTED TO MOUNTING BRACKET PRIOR TO MOUNTING SIGNAL. INCOMING POSITIVE POWER LEAD MUST BE BROKEN AND EACH LEAD IS TO BE
INSERTED INTO EACH OF THE TOP TWO TERMINALS. IF TWO POWER RUNS ARE MADE TO THE SIGNAL, ONE FOR THE STROBE AND ONE FOR THE HORN, ONLY ONE OF THE RUNS
MUST HAVE ITS POSITIVE LEAD BROKEN AND PLACED UNDER THE TWO SEPARATE TOP TERMINALS. A BARRIER IS PROVIDED TO PREVENT BOTH LEADS FROM BEING PLACED
UNDER THE SAME TERMINAL.
Table A
LIGHT OUTPUT IN PERCENTAGE WHEN MEASURED
FROM THE FOLLOWING DIRECTIONS - PER UL 1971
Wall and Ceiling Mount Horizontal Dispersion
Ceiling Mount Vertical Dispersion
0
15
15
30
30
45
60
75
Light
90
Degrees
% of Rating
0
100
5-25
95
30-45
75
50
55
55
45
60
40
65
35
70
35
75
30
80
30
85
25
90
25
Regulated 24VDC Max.
Candela
Operating Current (mA)
15
120 mA
30
120 mA
75
200 mA
95
220 mA
115
290 mA
150
321 mA
GCS24 AND GCC24 PRODUCT INFORMATION
Room Spacing for Ceiling-Mounted Visible Appliances per NFPA 72, 2019 Edition
Maximum Room Size
Meters
Feet
6.10 x 6.10
20 x 20
9.14 x 9.14
30 x 30
13.4 x 13.4
44 x 44
15.2 x 15.2
50 x 50
Wall Mount Horizontal Dispersion
Light
45
60
75
90
Degrees
% of Rating
0
100
5-30
90
35
65
40
46
45
34
50
27
55
22
60
18
65
16
70
15
75
13
80
12
85
12
90
12
CLEAR Lens Strobe Current Ratings
Use with GCS24 & GCC24 Products
Regulated 24VFWR Max.
Operating Current (mA)
190 mA
191 mA
277 mA
298 mA
418 mA
427 mA
GCS24 & GCC24 SERIES
ANSI/UL AND CAN/ULC COMPLIANT
GCSA24, GCCA24, GCSB24, GCCB24,
GCSG24, GCCG24, GCSR24 & GCCR24 SERIES
ANSI/UL AND CAN/ULC COMPLIANT
Minimum Required Light Output (Effective Intensity, Cd; One Light)
Maximum Ceiling Height
10 Foot Ceiling
20 Foot Ceiling
15
30
30
45
75
75
NA
NA
CAUTION:
Strobe light must be installed
within 16 feet of the pillow when used
in a sleeping area.
Strobe light can not be seen when objects such as doors, furniture or walls
block strobe light.
NOTICE:
w THE VISUAL SIGNAL MUST BE IN THE DIRECT VIEWING AREA OF THE OCCUPANT IN
ORDER TO BE SEEN.
w VISUAL SIGNALS FOR THE HEARING IMPAIRED ARE ONLY ONE METHOD OF ALERTING
THE HEARING IMPAIRED. VISUAL SIGNALS MAY NOT BE THE PREFERRED METHOD FOR
NOTIFYING ALL HEARING IMPAIRED INDIVIDUALS.
THE STROBE LIGHT MUST BE SEEN BY THE SLEEPING PERSON. IF THE PERSON HAS
w
HEAD TURNED OR OTHERWISE UNABLE TO BE ALERTED BY VISUAL, THE STROBE WILL
NOT BE EFFECTIVE.
24VDC Nominal
Operating Current (mA)
97 mA
97 mA
143 mA
148 mA
201 mA
205 mA
30 Foot Ceiling
55
75
NA
95
VISUAL APPLIANCE
STROBE LIGHT MUST BE WITHIN 16 FEET OF PILLOW
NOTICE: DC VOLTAGE RANGE LIMITS:
16-33V. FWR VOLTAGE RANGE LIMITS:
16-33V. THIS PRODUCT WAS ONLY
TESTED TO THE STATED VOLTAGE
RANGE(S); DO NOT APPLY 80% AND 110%
OF THIS RANGE FOR SYSTEM OPERATION.
550-0004-000
NA = Not allowable
SLEEPING ROOM
550-0004
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