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Kidde FX-2WIRE Installation Sheet page 2

Analog class a-b two-wire module

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Figure 3: Module installation
(1) Cover plate plastite screws (2X)
(2) Wall plate
(3) Screw
Wiring
Wire the device as shown in Figure 4. Be sure to observe the polarity
of the wires.
Refer to the control panel technical reference manual for wiring
specifications.
Figure 4: Module wiring
+
(1)(2)
SLC (+)
(3)
( )
SLC
SLC (+)
(4)
SLC
( )
(1) From control panel (non-resettable)
(2) Class B Detector power
(3) To next device
(4) From previous device
(5) Class A or Class B
(6) Class A
Contact information
For contact information, see www.kidde-esfire.com.
2 / 2
(4) Module
(5) Compatible electrical box
(+)
( )
(+)
( )
TB2
(5)
firealarmresources.com
Specifications
Communication line voltage
Current
Standby
Activated
Control panel input power
(not resettable)
Smoke power current
Standby
Alarm
Smoke detector current
UL compatibility ID
Ground fault impedance
Operating environment
Temperature
Relative humidity
Storage temperature range
Compatible electrical boxes
Wire size
Initiating device circuit (IDC)
EOL resistor value
Max. circuit resistance
Max. circuit capacitance
(6)(7)(8)(9)
(+)
RETURN
( )
(+)
( )
DET.
+
TB1
(7)(8)(9)(12)
(7)
Maximum 25 Ω resistance per wire
(8)
Maximum 12 AWG wire; minimum 18 AWG wire
(9)
Maximum 23.8 VDC at 35 mA
(10
4.7 kΩ EOLR used for Class B only
(11) Typical initiating device
(12) Class B
P/N 3101082-EN • REV 006 • ISS 20OCT20
Maximum 20.6 V peak-to-peak
350 µA
350 µA
12.4 to 28.3 VDC
17 mA
58 mA
3 mA
0.0
5 kΩ
32 to 120°F (0 to 49°C)
0 to 93% noncondensing at
90°F (32°C)
–4 to 140°F (–20 to 60°C)
North American 4 inch square ×
2-1/2 in. (64 mm) deep 2 gang box
Standard 4 in. square box 1-1/2 in.
(38 mm) deep
12, 14, 16, or 18 AWG wire
(2.5, 1.5, 1.0, or 0.75 mm
2
) (Sizes 16
and 18 AWG are preferred)
4.7 kΩ, (P/N: EOL-4.7)
50 Ω (25 Ω per wire)
0.1 µF
+
(11)
(10)

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