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Bosch Security Systems
Fairport, New York, USA 14450-9199
Customer Service: (800) 289-0096; Technical Support: (888) 886-6189
© 2003 Bosch Security Systems
DS820i/DS820iT Series Installation Instructions
P/N: 38055K 12/03 Page 2
3.6 Wire the detector.
3.7 Snap the board into the base so
the notch aligns with the tab.
3.8 Select LED operation.
LED ON
7.5-9ft
7.5-9ft
7.5-9ft
LED ON
LED ON
7.5-9ft
7.5-9ft
ON
OFF
3.11 Walk test the detector. Perform this
test at the time of installation and
annually thereafter.
3.10 Microwave range is pre-set. Field
adjustment is not required.
NOTE: If you choose to adjust the range, set
the adjustment as low as possible for
proper catch performance. Be sure to
walk test throughout the coverage
pattern after any adjustment.
3.9 In non-pet applications only, if
look-down is desired, peel away
the look-down mask. Do not
remove the clear plastic lens.
LED ON
7.5 -9ft
7.5-9ft
INCREASE
LED ON
7.5-9ft
7.5-9ft
Peel away
the mask
4.0 Coverage Patterns
5.0 FCC Notice
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1) This device may not cause harmful interference.
2) This device must accept any interference, including interference that may cause undesired operation.
Changes or modifications not expressly approved by Bosch Security Systems can void the user’s authority to operate the equipment.
Although generally not
required, the lens
diagram shows the
appropriate areas to
be masked. Use an
opaque material (such
as, electrical tape) to
mask the desired
areas.
0
10
10
200Feet
6
0
Meters
10
3
3
0
1
2
3
4
5
6
7
8
9
10
11
This detector contains an environmental
stabilization circuit which requires
approximately 2 minutes after initial
power-up to warm up. During this time
the detector will not respond to any
movement.
Please wait 2 minutes after initial power-up
to perform any walk tests.
Green = PIR detect
Yellow = MW detect
Red = Alarm
DS820i Lens
(inside view)
1 234567891011
12 22
23 33
34 44
45 55
56 66
67 77
Microwave
Coverage
PIR
Coverage
Microwave
Coverage
PIR
Coverage
3.5 Mount the detector.
NOTE: To avoid possible circuit board damage, use
only the mounting hardware provided in the
appropriate
punch-out
mounting
holes.
Do not use
excessive
force when
adjusting the
microwave
pot.
0
0
0
20
6
310
Meters
Feet
0
10
7
.5
Look
Down
67-
77
56-
66
45-
55
34-
44
23-
33
12-
22
1-
11
NOTE: Use only Limited Power Source
up to 5 A maximum.
Remove
Don't overtighten the mounting screws
Cover may not attach correctly
Corner Mount
Surface
Mount
Thinwall knockouts
for wiring
=
7.5 - 9 ft.
(2.3 - 2.7 m)
Areas
if using the
B335 Bracket
Do not use
the B335
Bracket in
pet
applications
LED
+
-
6-15
VDC
Alarm
Contacts
Tamper
Contacts
Normally Closed contacts
(DS820iT
only)