Single unit, single zone, 4 conductor cable, Multiple unit, single zone, 6 conductor cable – System Sensor CO1224T and CO1224TR User Manual

Page 4

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SS-500-000 4 I56-3111-006

©2011 System Sensor

System Sensor warrants its enclosed product to be free from defects in materi-

als and workmanship under normal use and service for a period of three years

from date of manufacture. System Sensor makes no other express warranty

for the enclosed product. No agent, representative, dealer, or employee of the

Company has the authority to increase or alter the obligations or limitations

of this Warranty. The Company’s obligation of this Warranty shall be limited

to the replacement of any part of the product which is found to be defective

in materials or workmanship under normal use and service during the three

year period commencing with the date of manufacture. After phoning System

Sensor’s toll free number 800-SENSOR2 (736-7672) for a Return Authorization

number, send defective units postage prepaid to: System Sensor, Returns

Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174. Please

include a note describing the malfunction and suspected cause of failure.

The Company shall not be obligated to replace units which are found to be

defective because of damage, unreasonable use, modifications, or alterations

occurring after the date of manufacture. In no case shall the Company be

liable for any consequential or incidental damages for breach of this or any

other Warranty, expressed or implied whatsoever, even if the loss or damage

is caused by the Company’s negligence or fault. Some states do not allow the

exclusion or limitation of incidental or consequential damages, so the above

limitation or exclusion may not apply to you. This Warranty gives you specific

legal rights, and you may also have other rights which vary from state to state.

Three-Year LimiTed WarranTY

FCC STaTemenT

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used
in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installa-
tion. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna.

– Increase the separation between the equipment and receiver.

– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

– Consult the dealer or an experienced radio/TV technician for help.

Please refer to insert for the limitations of Carbon Monoxide Detectors

S0313-01

Figure 5. Wiring diagram:

S0322-01

POSITIVE
NEGATIVE

TROUBLE
TROUBLE

NORMALLY

CLOSED

NORMALLY

OPEN

COMMON

}

POWER

OUTER CIRCLE IS FOR

CO1224TR ONLY

}

TROUBLE

RELAY

ALARM

RELAY

Input powered (12 or 24 VDC) from UL Listed Fire/Burg Control Panel (Class 2).

NON-RESETTABLE PWR

CO ZONE

UL LISTED
PANEL

+

ALARM
INITIATION
CONTACTS

EOL RESISTOR
SPECIFIED BY PANEL
MANUFACTURER

C

NO

T

T

+ −

CLOSED WITH
POWER APPLIED
AND NO FAULT
DETECTED

SINGLE UNIT, SINGLE ZONE, 4 CONDUCTOR CABLE

CO1224TR

ROUND CO
DETECTOR

NON-RESETTABLE PWR

CO ZONE

UL LISTED
PANEL

+

SUPERVISORY TROUBLE CONTACTS

ALARM
INITIATION
CONTACTS

ALARM
INITIATION
CONTACTS

FIRST CO1224

DETECTOR

IN LOOP

CO1224TR

ROUND CO
DETECTOR

LAST CO1224

DETECTOR

IN LOOP

EOL RESISTOR
SPECIFIED BY PANEL
MANUFACTURER

C

NO

C

T

T

T

T

+ −

+ −

CLOSED WITH
POWER APPLIED
AND NO FAULT
DETECTED

MULTIPLE UNIT, SINGLE ZONE, 6 CONDUCTOR CABLE

NO

S0314-01

CAUTION

It should be noted the installation, operation, testing and maintenance of
the CO1224T/CO1224TR is different than System Sensor conventional 4-wire
smoke detectors, such as the i3 Series. Below are specific installation require-
ments for the CO1224T/CO1224TR:

• Connect to a non-resettable power supply

• Connect to a non-fire zone: Per NFPA 720 section 9.6.7.2 the CO1224T/

CO1224TR shall not be connected to a zone that signals a fire condition

• Per NFPA 720 section 9.6.7, do not connect the CO1224T/CO1224TR on

a zone with other fire or intrusion initiating devices - i.e. do not connect
on the same zone as smoke detectors

• Wiring of the trouble relay is mandatory: Per UL Standard 2075 section

17.1.1 a detector shall send a trouble signal to the control panel upon an
open circuit, a ground fault, sensor removal or sensor end of life

• If wiring one CO1224T/CO1224TR per zone: Use 4 conductors
• If wiring multiple CO1224T/CO1224TR detectors per zone: Use 4 con-

ductors from panel to first CO1224T/CO1224TR, then use 6 conductors

from the second CO1224T/CO1224TR to other detectors on the zone

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