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BESMOKEY10WM

Smoke Alarm Module

Wireless for use with BESMOKEY10

Thank you for purchasing our product. This instruction contains important information on the correct 

installation and operation of your smoke alarm. Read this instruction fully before attempting installation and 

retain them for future reference.

Introduction:
This module can be installed into the alarm to achieve wireless interconnection

Caution: Only install one pluggable module per group of wired interconnected alarms.

Install module: Disconnect the battery and AC power. Install a pluggable module then energize. 

(See pictures on next page)

Specifications:

Wireless frequency

433MHz

Wireless distance

>60m

Transmission power

13dB

Interconnect Number

40 Max

Introducing Wireless Alarm Option into the network with the BESMOKEY10WM module
1. 

Prior to installation determine if there is a need for the use of wireless alarms in the network.

2. 

This module can be installed into the BESMOKEY10 by first disconnecting the power and opening 
one of the mains powered alarms and disconnecting the battery, (if yellow tag has already been 
removed for battery to connect, then remove the battery from alarm), replace the blank housing 
with the BESMOKEY10WM wireless module (diagram 1). 

3. 

The BESMOKEY10WM communicates at 433.42MHz and can operate at range greater than 60m.

4. 

With the power off select one mains wired alarm to be the master for the wireless link and install 
the BESMOKEY10WM.  Caution: Only install one pluggable BESMOKEY10WM module into a group 
of mains-wired interconnected alarms.  If there is more than one installed with wired connections, it 
will not work.

5. 

Insert the battery, remove the yellow tag and close alarm. The alarm will automatically search for the 
module after being closed. The red LED flashes continuously while the unit checks if the module is 
installed. 

6. 

If no other alarms are found to pair with, the red LED will extinguish after 8 seconds, and unit will 
beep 3 times in quick succession. The red LED will then flash twice quickly, every 8 seconds. This 
indicates that while the module has been recognized, the unit is not yet paired. 

7. 

If the module was not installed correctly, or otherwise not recognized by the alarm, the red LED 
will extinguish after 8 seconds, no beeps will be heard, and the red LED will not flash twice every 8 
seconds. 

All Master and Slave BESMOKEY10 require a BESMOKEY10WM to be connected wirelessly
Tip for easy set up: Connect all wireless units on the ground prior to installation.

Pairing the Alarm
1. Press the TEST button of the first alarm 3 times in the space of 2 seconds. The Red LED should remain 
illuminated. This alarm remains the Master. (It is best to use the mains powered alarm as the Master if 
there is a mix)
2. Move to the next alarm and press the TEST button of this alarm 3 times in the space of 2 seconds. The 
red LED will illuminate briefly, and the unit will give one loud 0.5 second beep. The unit is now paired. 
3. Repeat this process with all remaining alarms to be paired. 
4. Return to the Master (first) alarm. The Red LED should still be illuminated. Press the TEST button for 1 
second, to complete pairing. 
5. All paired units will have the red light flashing once every 40 seconds (example of network diagram 2). 
6. To run a test, press the alarm button for at least 2 seconds and the alarm will sound and the other 
interconnected alarms should go through their test cycle, with a series of beeps, within a few seconds. 
7. The BESMOKEY10 with BESMOKEY10WM can also pair to BESMOKEY10BW 10 Year Lithium Wireless 
Smoke Alarm. Follow instructions for that model.

8. 

Repeat these steps with all alarms to be interconnected. 

9. 

Additional Wireless 10 Year Lithium powered alarms can be added to the network by combining the 
BESMOKEY10 and inserting the BESMOKEY10WM module without wiring to the mains and using the 
10 Year Lithium Battery option only.  These can be paired with the wireless master (Pairing the Alarm, 
Diagram 2).

10.  Turn ON Mains power 
11.  To test the alarms, press the TEST button for at least 2 seconds. The unit will alarm, and the light will 

flash for as long as the TEST button is pressed.  

BESMOKEY10WM

Pluggable module

Diagram 1

Diagram 2

NETWORK CONFIGURATION EXAMPLE

BESMOKEY10

(wired)

240V~

MASTER

BESMOKEY10 (wired) 

+ BESMOKEY10WM

240V~ Connected

BESMOKEY10 

+ BESMOKEY10WM

BESMOKEY10BW

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