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  D A T A   S H E E T

 ESL85001-0632

 

Not to be used for installation purposes.

  Issue 1  

 

Wiring

Alarm 

IDC

EOL device

Single device,  
single zone

Power

Multiple devices,  
single zone

C

NC

NC

NO

C

C

NC

NC

NO

C

C

NC

NC

NO

C

EOL device

EOL device

ESL 405 

Polarity Reversal 

Module

Alarm 

IDC

Control Panel

Power NAC

Multiple devices,  
separate alarm, trouble zone

C

NC

NC

NO

C

C

NC

NC

NO

C

C

NC

NC

NO

C

EOL device

EOL device

ESL 405 

Polarity Reversal 

Module

Alarm 

IDC

Control Panel

Power NAC

SUPV 

IDC

Tandem Interconnect:

Use a Single Circuit Reversal 
Module when wiring multiple 
260-CO detectors for tandem 
interconnect. On alarm, the 
module disconnects the detec-
tor from its normal power supply 
and applies reverse polarity from 
the notification appliance circuit. 
This causes the sounders to 
activate on other 260-CO detec-
tors that are on the same loop. 
Only the initiating detector will 
sound 

and

 blink red. All others 

in tandem mode will sound but 
not blink red.

Installation

The 260-CO Carbon Monoxide Detector is a four-wire device 
designed to use a Class 2 output from a control panel or auxiliary 
power supply Listed to UL 985 or 864 standards.

All wiring must conform to the NFPA 70 National Electric Code, UL 
2075, NFPA 720, and applicable codes. Use 14 to 22 AWG wire.

The 260-CO/240-COe 
adapter plate

Use a 250-COPLT adaptor 
plate when replacing a 240-
COe with a 260-CO to cover 
any paint discoloration left 
behind.

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