Manual Aritech DD205 (page 4 of 16) (English, German, Dutch, French, Italian)

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monitoring the walk test LED on the unit and/or the received

alarms on the panel.

Important:

- The walk test mode can be started once the start-

up sequence has completely finished (LED flashes

for 30 seconds).

- Once the unit is replaced onto the mounting plate,

there is a 10 second interval before the walk test

actually starts. This allows the detector to stabilise.

- Take a 5 second pause between walk tests to

stabilise the detector.

- The walk test mode is only available for 2 minutes.

After that time the walk test LED will no longer

signal generated alarms. If not all walk tests have

been completed within these 2 minutes, repeat step

1 and 2 to re-enter the walk test mode.

- After the walk test mode times out, the detector

returns to normal operating mode. In normal

operating mode, the DD205RF/60-947-8A will only

signal alarms via the wireless link every 3 or 10

minutes (depending on the DIP switch setting) and

the LED is disabled to reduce battery consumption.

Selecting the coverage pattern

The coverage pattern can be changed to fit specific requirements

by using the mirror stickers (enclosed). It is recommended to

blind unused curtains that are looking at walls or windows

located very close to the detector.

Window mask (fig. v )

A window mask is provided. Fit it to the inside of the detector

window in order to mask objects that are close to (within 1.5

m) or directly under the detector. This disables the part of the

curtains looking at an object whose closeness might otherwise

cause a false alarm. Remove this mask to detect undercrawl.

Setting up the transmitter

The DD205RF contains a built-in transmitter that is used in

conjunction with a compatible receiver. To set up the transmitter

for wireless operation, create a tamper alarm by removing the

unit from the mounting plate (Figs.

u A-B).

Maintaining the detector

When installed and used properly, the DD205RF/60-947-8A will

provide years of service with minimal maintenance. You should

walk test the detector annually as described in Walk testing the

detector to ensure proper operation.

1. Clean the inside of the detector with a soft bristled brush or

compressed air.

2. Clean the cover with a damp (water) cloth as needed to keep

it free of dust and dirt.

Note: Always test the detector after cleaning.

Replacing the batteries

When the system indicates that the detector batteries are low,

replace the batteries as soon as possible.

1. Remove the unit from the mounting plate (Fig. 8A).

2. Pull the ribbon in the battery compartment of the base to

remove the batteries (Fig. r ).

3. Place the ribbon underneath the batteries to facilitate battery

replacement.

4. Observing the polarity markings that are engraved inside the

battery compartment, insert each battery into the battery

compartment of the base (Fig. r ).

lmportant: Once the battery is installed, the DD205RF/60-

947-8A requires 3 minutes to initialise before it will operate.

5. Walk test the detector to ensure correct operation and

coverage. See “Walk testing the detector”.

6. If the control panel indicates “Low battery”, measure the

battery voltage. If any battery is less than 3 VDC, replace the

battery and repeat steps 1 and 5.

Important: You must remove all the batteries to reset the

low battery signal before installing a new battery.

To prevent a low battery condition, you must install the

battery exactly as described in the “Installing the batteries”

instructions.

Caution:

Batteries can explode or cause burns when recharged,

incorrectly (dis)assembled, or exposed to fire or high

temperatures.

Replace the batteries with: Duracell DL123A or equivalent.

Dispose of used batteries promptly and according to local

regulations. Keep away from children.

Do not insert any batteries in the battery compartment of

the RF transmitter board.

Specifications

Recommended battery DL123 A

Battery life (typical): *

1 battery 1.5 years

2 batteries 3 years

3 batteries 4.5 years

Battery lock-out time 3 min. (ex-factory)

(10 min. extends life of the battery)

Current consumption (typical)

DD205RFW8 105 µA

60-947-8A 91 µA

DD205RFi4 95 µA

Transmitter frequency

DD205RFW8 868 MHz / FM

60-947-8A 868 MHz / AM

DD205RFi4 433 MHz / AM

Microwave frequency 5.8 GHz

Max microwave output at 1 m 0.003 µW/cm²

Supervisory

DD205RFW8 Every 15 min

60-947-8A Every 20 min

DD205RFi4 Every 64 min

Transmit condition Alarm, Tamper, Low battery

Target speed range min. 0.2 m/s - max. 3.0 m/s

Mounting height 1.8 to 3 m

Open air; typical range from wireless link 400 m

Obstructed range (typical) 30 m

Operating temperature -10 to 55°C

Detection range (selectable) Min.: 7.5 ±0.5 m**

Max.: 12 ±0.5 m**

No. of curtains 7

Relative humidity 0 to 95% non-condensing

Size 150 x 70 x 50 mm

Weight 175 g

Colour White

Viewing angle 86°

IP/IK rating IP30 IK02

* Assumption: During a 24-hour cycle there are 8 hours with

alarm activiation and 16 hours without alarm activation.

** According to EN50131-2-4 detection performance requirements.

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Aritech DD205 Manual

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