Bell – System Sensor i4 Series Modules User Manual

Page 3

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POWER IN +

IDC +
IDC –

POWER IN –

CO ALARM CONTACT

CO TRIGGER

SMOKE ALARM CONTACT

MAINTENANCE TROUBLE RELAY CONTACT

(COSMOD2W ONLY)

SMOKE ZONE EOL RESISTOR
(VALUE DEFINED BY PANEL)

CO ZONE EOL RESISTOR
(VALUE DEFINED BY PANEL)

STYLE D + (4-WIRE DETECTOR POWER +)

STYLE D – (4-WIRE DETECTOR POWER –)

SMOKE TRIGGER / BELL IN

SS-500-004 3 I56-3871-001

COSMO-2W

3.9k

RESISTOR

(supplied

with module)

LOOP STYLE D WIRING

SMOKE

AUXPOWER

(resettable)

SMOKE

ZONE

CO

ZONE

MAINT.

ZONE

SMOKE

TRIGGER OUT

Panel

EOL

Resistors

COSMOD2W

ALL CIRCUITS ARE SUPERVISED

(EXCEPT TRIGGERS) AND MUST

BE POWER LIMITED

Panel

EOL

Resistor

CO

TRIGGER

OUT

BELL

OR

COSMO-4W

3.9k

RESISTOR

(supplied

with module)

SMOKE

POWER

(resettable)

SMOKE

ZONE

CO

ZONE

Panel

EOL

Resistors

COSMOD4W

EOL

RELAY

#EOLR-1

ALL CIRCUITS ARE SUPERVISED

(EXCEPT TRIGGERS) AND MUST

BE POWER LIMITED

CO

TRIGGER

OUT

SMOKE

TRIGGER OUT

BELL

OR

S0329-00

S0330-00

S0334-00

fIGURE 3: COSMOD2W WIRING DIAGRAM

fIGURE 4: COSMOD4W WIRING DIAGRAM

fIGURE 5: MODULE TERMINALS

Note: See Table 3 for dip
switch configurations

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