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En: installation sheet, Dd669-u, Description – Interlogix DD669-U User Manual

Page 2: Installation guidelines

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10 m

(32 ft. 10 in.)

8 m

(26 ft. 3 in.)

6 m

(19 ft. 8 in.)

4 m

(13 ft. 2 in.)

2 m

(6 ft. 7 in.)

0 m
2 m

(6 ft. 7 in.)

4 m

(13 ft. 2 in.)

6 m

(19 ft. 8 in.)

8 m

(26 ft. 3 in.)

10 m

(32 ft. 10 in.)

> 3 m

(> 9 ft. 10 in.)

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m

(32 ft. 10 in.)

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(32 ft. 10 in.)

0 m

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10 m

(32 ft. 10 in.)

8 m

(26 ft. 3 in.)

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(19 ft. 8 in.)

4 m

(13 ft. 2 in.)

2 m

(6 ft. 7 in.)

0 m
2 m

(6 ft. 7 in.)

4 m

(13 ft. 2 in.)

6 m

(19 ft. 8 in.)

8 m

(26 ft. 3 in.)

10 m

(32 ft. 10 in.)

2.5 3 m

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(8 ft. 2 in. - 9 ft. 10 in.)

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(32 ft. 10 in.)

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(32 ft. 10 in.)

0 m

(1)

(2)

(3)

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The detector can be mounted on a ceiling. Use the following
guidelines to determine the best location to install the detector:

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0V +12V

NC

C

NO

Spare

D/N

WT

Tamper

Alarm

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DD669-U

Mount the detector so the expected movement of an
intruder is across the detection pattern.

Mount the detector at a stable surface at a height between
2.5 m (8 ft. 2 in.) and 5.0 m (16 ft. 5 in.).

Do not mount the detector within 0.5 m (1 ft. 8 in.) of
metallic objects or within 1.5 m (4 ft. 11 in.) of fluorescent
lights.

Do not place objects in front of the detector that may
prevent a clear line of sight (Figure 1).

Mount detectors at least 6 m (19 ft. 8 in.) apart, and use
the short-range setting to avoid interference.

EN: Installation Sheet

The dual technology processing of this detector is very
resistant to false alarm hazards. However, avoid potential
causes of instability, such as:

Description

PIR hazards (Figure 1):

The DD669-U is a dual motion sensors. It has the patented
Range Controlled Radar technology.

Direct sunlight on the detector

Heat sources within the detector field of view

Installation guidelines

Strong air draughts onto the detector

Animals in the field of view

Figure 5 legend

Obscuring the detector field of view with large objects,
such as furniture

Item Description

(1)

Floor pattern at mounting heights between 2.5 and 3.0 m
(8 ft. 2 in. and 9 ft. 10 in.)

(2)

Floor pattern at mounting heights above 3.0 m (9 ft. 10 in.)

(3)

Shaded area is shunted when DIP switch 4 is in On position

(4)

An arrow inside the mounting plate and sensor module
indicates the Always Active direction

Microwave hazards:

Mounting surface susceptible to vibrations

Metal surfaces reflecting microwave energy

Water movement through plastic pipes

Moving or vibrating objects like fans, heating or air-
conditioning ducts

We recommend that the detector is regularly walk tested and
checked at the control panel.

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P/N 146446999-1 • REV A • ISS 25JAN12