Installation guide

Digital Monitoring Products 1101 Installation Guide
2
Mounting the Transmitter and Magnet Assemblies
For internal contact operation, the transmitter and magnet assembly should have no more than 5/8" space between
the assembled housings after installation. When mounting on metal (ferrous) surfaces, this distance is slightly less.
For door installations, it is recommended the transmitter be mounted on the door frame and the magnet assembly
be mounted on the door.
Magnet Housing and Base
Onlyonemagnetassemblyisrequiredforinternalreedswitchoperation.Depending
on the installation, you can use either the end mount internal reed switch or side
mount internal reed switch location of the transmitter. For reference, both mounting
locationsandothermountinginformationisincludedinFigures3and4.Anoptional
magnet housing spacer is provided for installations where the magnet assembly needs
to be raised in order to line up with the reed switches in the transmitter.
Installing the Optional Mounting Bracket
The following instructions cover installing the transmitter using the mounting bracket.
If the installation does not require the mounting bracket, refer to Installing the
TransmitterwithouttheMountingBracket.
1.Securethemountingbracketusingthesuppliedscrewsordouble-sidedtape.Makesurethereedswitch
location markers are positioned where you plan to mount and install the magnet housing.
2. Place the magnet housing base on the surface nearest to one of the internal reed switch locations and use the
provided screws or double-sided tape to secure the magnet mounting base. If needed, set the mounting spacer
below the housing base and align the mounting holes together.
Note: The magnet housing base must be located a minimum of 1/8" from the alignment bracket. The 1/8"
distance is required to ensure the magnet housing and transmitter housing have enough space between them
when mounted. When using the magnet spacer, place the spacer next to the alignment bracket. No additional
spaceisrequiredbetweenthespacerandthebracket.SeeFigure3SectionB.
3.Snapthemagnethousingontothehousingbase.
4. Line the transmitter base up with the mounting bracket snap connectors and press the transmitter into place.
5. Spring must be in place on tamper switch for normal operation.
Mounting
Bracket
MagnetHousing
Base Notch
Reed Switch
Alignment Arrows
Minimum1/8"
MountingDistance
Minimum1/8"
MountingDistance
Snap Connectors
for Transmitter
Installation
WallMount
ScrewHoles
Alignment Bracket
(BreakoffforOperation)
MagnetHousing
Spacer
Mounting
Bracket
A. Optional Mounting Bracket and Magnet B. Optional Magnet Housing Spacer
Figure 3: Optional Mounting Bracket and Magnet Base and Spacer Mounting
Transmitter
Side
Mount
Magnet
End
Mount
Magnet
Figure 4: View of Side and End Mount Magnets
Note: For UL listed installations, do not use the optional mounting bracket. See Installing the Transmitter without
theMountingBracketonthenextpage.
Optional
Housing Spacer
Housing
Base
Magnet
Magnet
Housing
#6 Flat Head
Mounting
Screws
Figure 2: Magnet Assembly
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