
ADEMCO 5811
One Zone Door/Window Transmitter
Installation Instructions
Model 5811 is a single zone Door/Window
Transmitter, compatible with alarm systems
that support 5800 series wireless devices.
5811 has a unique serial number permanently
assigned during manufacture, which must be
entered into the control panel upon
installation. Refer to the panel’s installation
instructions for programming details.
NOTE: During programming of the control
unit, 5811 transmitters should be treated as
“RF” (i.e. supervised RF) Type.
MOUNTING
Choose a mounting location for 5811 where
the device is stationary and the magnet is
mounted to the moving part of the door or
window. To verify adequate signal strength
conduct Go/No Go tests (see control’s
instructions) on 5811 before mounting
permanently.
1. Install Battery by inserting one edge
under one of the two plastic battery
retainer clips, then pressing down firmly
to snap it beneath both clips; see
diagram.
2. Mount 5811 using double-faced tape
(supplied) by affixing it to the back of the
unit and mounting the unit in place. Use
screws (optional) if desired; see diagram.
Mount the magnet (supplied) near the
alignment marks on the case (see
Diagram).
3. Engage the case tabs (see diagram), then
rotate the housing to close. Engage latch
with firm pressure to close and lock.
BATTERY REMOVAL
1. Open housing by inserting a flat blade
screwdriver into latch and twisting gently.
2. Remove old battery cell using a small flat
screwdriver blade, as shown in the
diagram.
5811-005-V1
BATTERY
(+ SIDE UP)
REED
SWITCH
PRESS DOWN FIRMLY TO
SNAP BATTERY UNDER
BOTH CLIPS
MAGNET
ALIGNMENT
MARKS
INSERT BATTERY
EDGE UNDER ONE CLIP
A
B
BATTERY
RETAINER
CLIPS
5811-003-V2
REED
LATCH
R
O
T
A
T
E
T
O
C
L
O
S
E
MAGNET
MOUNTING
HOLES
MAX GAP
3/4"
CASE
TABS
SCREWDRIVER
(NO)
5811-006-V1
SCREWDRIVER
(CORRECT)
SCREWDRIVER
(NO)
PLACE TIP OF FLAT SCREW
DRIVER BETWEEN EDGE OF
BATTERY AND PLASTIC CASE
AS SHOWN. POSITIONING
SCREWDRIVER AT ANY OTHER
CORNER MAY CAUSE DAMAGE
TO DEVICE.
CAREFULLY PRY UP WHILE
TWISTING TO REMOVE
BATTERY.
A
B
X
X