Digital Monitoring Products Inc PC0109 User Manual

For internal contact operation, the transmitter and magnet assembly should have a maximum of 1/2 inch  between 

the housings after installation.  Refer to the Magnet Gap Distance section for additional information.  When 

mounting on metal (ferrous) surfaces, this distance is slightly less.  For door installations, it is recommended the 

transmitter be mounted in the door frame and the magnet assembly be mounted in the door.  If the transmitter is 

installed in a metal door frame, the communication distance to the receiver may be reduced.
Installing the Recessed Transmitter and battery assembly 

1. Using a 5/8” drill bit, drill a hole at least 4 1/4” deep in the frame at the desired location.
2. Insert the transmitter housing into the hole and trace around the edge of the flange with a pencil.
3. Remove the transmitter housing and using a standard wood chisel, score the edges of the outline and then 

remove the  material from the center to a depth of 1/8”.   

4. Insert the transmitter and battery assembly with the reed switch orientated for the gap distance required.  See 

Magnet Gap Distance.

5. Install the face plate on the front of the transmitter housing and secure with the included screws.  Install the 

battery before final installation.

1. Using a 5/8” drill bit, drill a hole at least 3/4” deep in the frame at the desired location.
2.  Insert the magnet into the hole and using a hammer, tap into place.

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