
CAT. ZCOMBO-G
ARCHITECTURAL AND ENGINEERING SPEC
TECHNICAL SPECS
SHIPPING SPECS
INSTALLATION OF ALARM
The combination smoke and CO alarm shall be a BRK Model ZCOMBO (cat. no.
ZCOMBO-G) and shall provide at a minimum the following features and functions:
1. A photoelectric smoke sensing chamber and an electrochemical CO sensor.
2. Operates with 3rd party, certified Z-Wave devices enabled with the First Alert
protocol.
3. The unit shall have a lower and varying horn frequency to make it easier for the
elderly with normal age related hearing loss to better hear the horn.
4. The CO sensor is adjusted not to detect CO levels below 30 PPM and will not
alarm when exposed to constant levels of 30 PPM for 30 days. It will alarm at the
following levels: 400 PPM CO between 4 and 15 minutes, 150 PPM CO between 10
and 50 minutes and 70 PPM CO between 60 and 240 minutes.
5. The unit shall have an “End of Life” signal. This signal should be capable of
temporarily being silenced for up to 2 days. After about 2 days, the signal will
resume. After about 2-3 weeks the signal cannot be silenced.
6. A fully screened sensing chamber to resist entry of small insects.
7. Powered by 2 replaceable AA batteries, a solid state horn rated at 85dB at 10 ft and
should be capable of self restoring.
8. A visual LED power-on indicator to confirm unit is receiving power or is in alarm.
9. Two Silence features - Low Battery Silence: Silence low battery chirp for up to 8
hours. Alarm Silence: Temporarily silence unwanted nuisance alarms.
10. Two Locking features - tamper resistant locking pins that lock battery drawer and/
or alarm to mounting bracket.
11. The unit shall be capable of operating between 40°F (4°C) and 100°F (38°C) and
relative humidity between 10% and 95%.
12. The unit shall contain mounting hardware and shall be listed for wall or ceiling
mounting.
13. The unit shall at a minimum meet the requirements of UL217, UL2034, CSFM, NFPA
72, NFPA 720, NFPA 101, ICC.
Alarm Dimensions: 5.0”Dia. x 2.0”H
Weight: 8.4 oz
Operating Voltage: 3V (Two 1.5V AA) Battery Powered
Temperature Range: 40°F (4°C) to 100°F (38°C)
Humidity Range: 10% to 95% relative humidity (RH)
Audio Alarm: 85dB at 10 feet
Wireless Frequency: Z-Wave
Test/Silence: Electronically simulates smoke and CO condition,
causing the unit to alarm. Press and hold test/silence
button.
Alarm Reset: Automatic when smoke and/or CO clears
Smoke Sensor: Photoelectric
CO Sensor: Electrochemical
Listing: Listed to UL217 and UL2034 Standards
Individual Clamshell Dimensions 7.00”W x 2.5”D x 8.375”H
Weight 0.78 lbs.
Cube 0.09 ft3
UPC 0 29054 01302 6
Master Carton Dimensions 7.63”L x 7.13”W x 8.88”H
Master Pack 3
Weight 2.65 lbs.
Cube: 0.30 ft3
I2of5: 300 29054 01302 7
Pallet Information
Cases per Layer 30
Number of Layers: 5
Cases per Pallet: 150
Units per Pallet: 450
Cube: 50 ft3
Weight: 463 lbs.
Installation of this alarm must conform to NFPA 72 and NFPA 720. Always check your
local building codes. Follow all instructions for placement as outlined in the user’s manual
in sections titled “Recommended Locations for Smoke Alarms” and “Locations to Avoid
for Smoke Alarms”.
THE PARTS OF THIS ALARM
TOP OF ALARM
1. Test/Silence button
2. Slide open battery drawer
3. Power/Alarm LED
4. CO Alarm LED
5. Horn
BOTTOM OF ALARM
1. Mounting bracket
2. Mounting Slots & Locking
tabs (Break out Tab)
3. Battery Drawer - Install 2 AA
batteries here
4. Twist to attach and remove
alarm from bracket
MOUNTING
BRACKET
TOP VIEW SIDE VIEW
5.0”
2.0”
5
3
1
2
4
TOP BOTTOM
BATTERY DRAWER LOCK
Remove pin from mounting bracket. Close door. Insert
pin in holes through alarm and battery drawer.
©2015 BRK Brands, Inc. a Jarden Corporation Company (NYSE:
JAH); 3901 Liberty Street Road Aurora, IL 60504-8122; All rights
reserved. First Alert is a registered trademark of the First Alert
Trust. BRK is a registered trademark of BRK Brands, Inc.
CM3238
brkelectronics.com
This product is intended for non-professional do it yourself installation. If you
would like information about a professionally installed and monitored system,
please contact First Alert Professional at 1-800-921-6025. First Alert Profes-
sional is not affiliated with BRK Brands, Inc.