System Sensor CO1224T, CO1224TR User Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS

I56-3111-006

CO1224T/CO1224TR
Carbon Monoxide Detector

SPECIFICATIONS

Electrical Specifications

System Voltage
Nominal: 12/24 VDC
Min: 10 VDC
Max: 33 VDC
Avg. Standby Current: 20 mA
Max Alarm Current: 40 mA (75 mA test)
Alarm Contact Ratings: 30 VDC @ 0.5 A
Trouble Contact Ratings: 30 VDC @ 0.5 A
Audible Signal (temp 4 tone): 85 dBA min. in alarm (at 10ft)
Max. Start-up Capacitance: 20 uF

NOTICE: This manual shall be left with the owner/user of this equipment.

This product is intended for use in ordinary indoor locations.

GENERAL DESCRIPTION

• Listed to standard 2075

• Round shape allows for mounting in aesthetically demanding areas

• 4 wire, system monitored

• Optional CO detector replacement plate for previously installed detectors

• Local sounder

• Low current draw

• Alarm relay, Form C

• Trouble relay, Form A

• Dual LED’s

• Test/Hush button

• SEMS wiring terminals

• Mount to single gang electrical box or surface mount to wall or ceiling

• Optional drywall anchors included

FIGURE 1. ALARM LOCATION DIAGRAM:

BEDROOM

TO

BEDROOM BEDROOM

LIVING
ROOM

BASEMENT

–

BR

KITCHEN

CLOSED
DOOR

CARBON MONOXIDE ALARM
LOCATION FOR MULTI-LEVEL RESIDENCE

GARAGE

S0295-00

3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: [phone]

www.systemsensor.com

Physical Specifications

Operating Temperature Range: 0° to 40°C (32° to 104°F)
Operating Humidity Range: 22 – 90% %RH
Diameter: 6.0˝
Height: 1.25˝
Weight: 7 oz
Wire Gauge Acceptance: 14-22 AWG

TABLE 1. DETECTOR OPERATION MODES:

OPERATION

MODE

Normal

(standby)

Alarm OFF

Alarm Test OFF

GREEN

LED

Blink 1

per minute

RED
LED

SOUNDER

OFF OFF

Temp 4*

pattern

Temp 4

pattern

Temp 4*

pattern

Temp 4

pattern

Temp 4

RealTest

Mode

Blink 1

per second

OFF

pattern

(after CO is

sprayed)

Alarm Test: Will send alarm signal to panel.

Hush feature/Alarm Silence: If required, the audible alarm can be silenced

for 5 minutes by pushing the button marked “Test/Hush”. The red alarm light
will continue to flash in temp-4 pattern. If carbon monoxide is still present
after the 5 minute hush period, the audible alarm will sound. The hush facility
will not operate at levels above 350 ppm (parts per million) carbon monoxide.

RealTest Alarm Silence: Alarm will automatically silence after about 20 sec­onds of alarm from spraying canned CO into the detector. Alarm Reset: Alarm
automatically resets after CO has cleared from the sensor.

Trouble feature: When the sensor supervision is in a trouble condition (such
as a sensor that has been tampered with), the detector will send a trouble sig­nal to the panel. The detector must then be replaced. There is no local audible
signal when detector is in trouble.

End of Life Timer feature: When the detector has reached the end of its life,
the trouble contact will open. This indicates that the CO sensor inside the de­tector has passed the end of its life and must be replaced. This detector’s lifes­pan is approximately six years from the date of manufacture. There is no local
audible signal when detector is in trouble. Periodically check the “Replace by”
sticker located under the detector cover. The detector must be replaced by this
date. Refer to Detector Replacement on page 3.

Per UL 2075, it is mandatory that a trouble signal be sent to the panel
upon CO cell trouble or cell end of life. Refer to Figure 4 for wiring of the
trouble relay.

SS-500-000 1 I56-3111-006

INSTALLATION GUIDELINES

Ceiling: Detector should be at least 12 inches from any wall.

Wall: Detector should be at least as high as a light switch, and at least six
inches from the ceiling.

• Do not install in any environment that does not comply with the detec­tor’s environmental specifications

• Install in accordance with NFPA 720–the Standard for the Installation of
Carbon Monoxide (CO) Detection and Warning Equipment

• As of 2009, NFPA 720 defines standards for both commercial and resi­dential installations of CO detectors. If the installation can be interpreted
as a commercial application, consult the section of NFPA 720 that out­lines commercial applications.

• For example, Chapter 5.5.5.3.1 states that carbon monoxide detectors
shall be installed in accordance with manufacturers published instruc­tions in the following locations:

(1) On the ceiling in the same room as permanently installed fuel

burning appliances

(2) Centrally located on every habitable level and in every HVAC zone

of the building

• If the installation can be interpreted as residential, consult the section of
NFPA 720 that outlines residential applications.

• For example, chapter 9.4.1.1 states that carbon monoxide alarms or
detectors shall be installed as follows:

(1) Outside each separate dwelling unit sleeping area in the immedi-

ate vicinity of the bedrooms

(2) On every level of a dwelling unit, including basements

(3) Other locations where required by applicable laws, codes or standards

MOUNTING

The CO1224T/CO1224TR can be ceiling-mounted or wall-mounted:

1. To a single gang box.

2. Direct mount to ceiling or to wall using drywall fasteners.

3. Mounted with optional replacement plate model CO-PLATE*.

FIGURE 2. MOUNTING OF DETECTOR:

CO1224T CO1224TR

INSTALLATION
WIRING INSTALLATION GUIDELINES

All wiring must be installed in compliance with the NFPA 70, National Electrical
Code, applicable state and local codes, and any special requirements of the local
Authority Having Jurisdiction (AHJ).

Proper wire gauges should be used. The conductors used to connect carbon
monoxide detectors to the alarm control panel and accessory devices should
be color-coded to reduce the likelihood of wiring errors. Improper connections
can prevent a system from responding properly in the event of a CO.

The screw terminals in the mounting base will accept 14-22 gauge wire. Wire
connections are made by stripping approximately 1⁄4

˝ of insulation from the
end of the feed wire, inserting it into the proper base terminal, and tightening
the screw to secure the wire in place. Do not put wires more than 2 gauge
apart under the same clamping plate.

WARNING: This product does not have a local audible trouble signal, and
may fail without supervision if trouble loop remains unconnected.
WARNING: Gas detectors on a zone that is bypassed may not signal a trouble
condition. Do not bypass zones used for gas detectors.

Wiring diagrams located on page 4, Figure 4.

WARNING

Remove power from alarm control unit or initiating device circuits before in­stalling detectors.

1. Using a small, flat head screw driver, push in the small tab located on the
underside of the detector. Once the snap is loosened, lift the bottom end of
the cover up and unhinge the top to remove the cover.

2. Wire the detector base screw terminals per Figure 5.

3. Screw the base of the detector onto a single gang electrical box, or to the

surface of the wall or ceiling. Use the hardware included in the packaging.

4. If mounting with the System Sensor replacement plate model CO-PLATE*:

* Hold replacement plate over desired mounting area.
* Use hook feature to hold CO1224T onto the replacement plate.
* Mount detector and plate together using hardware provided with

the CO1224T.

5. Hinge the top portion of the cover onto the base; with the cover at a 45

degree angle, fit the hinges into the slots of the base.

6. Push the unhinged bottom portion of the cover down until it snaps into place.

7. After all detectors have been installed, apply power to the alarm control unit.

8. Test each detector as described in Testing.

9. Notify the proper authorities that the system is in operation.

CAUTION

Airborne dust particles can enter the detector. System Sensor recommends
the installation of detectors before beginning construction or any other dust
producing activity. Carbon monoxide detectors are not to be used with detec­tor guards unless the combination has been evaluated and found suitable for
that purpose.

S0296-01

FIGURE 3: MOUNTING OF CO1224T DETECTOR TO CO-PLATE*

CO DETECTOR REPLACEMENT PLATE

MOUNT DETECTOR TO

CENTER OF PLATE

S0320-00

TESTING

Detector must be tested after installation.

NOTE: Before testing, notify the proper authorities to avoid any nuisance
alarms.
Ensure proper wiring and power is applied. After power up, allow 80 seconds
for the detector to stabilize before testing.

Test the CO1224T/CO1224TR detector as follows:

1. A test button is located on the detector housing (See Figure 4).

2. Use the tip of your finger to press and hold the test button.

3. If the sounder beeps and the LED’s light up after 1-4 seconds, the detec-

tor is operational.

If a detector fails the above test method, its wiring should be checked. If the
detector still fails after rewiring, it should be replaced.

S0319-00

*NOTE: The CO-PLATE has not been evaluated or approved by a NRTL.

SS-500-000 2 I56-3111-006