Solar Plus Ajax DoorProtect Manual Download Page 1

1. FEATURES 

Wireless sensor Ajax DoorProtect is designated for doors and windows opening detection. 

It functions as a part of Ajax security system. 

SPECIFICATION 

MEANING 

Sensor type 

wireless 

Assembling type

removable 

Operating level 

1 cm (0.4 in)  (small magnet), 2 cm (0.8 in) 

(big magnet) 

Uses

indoors

Socket to plug in the wire sensors  

available

Tamper protection button

available

Radio signal power

20 mW 

Radio-frequency range 

868 MHz (Europe); 915 MHz (USA)

Maximum distance between sensor 

and central unit

2000 m (6562 ft) (open area) 

Power supply

CR123A battery

Power supply voltage 

3V 

Battery life

Up to 7 years 

Operation temperatures range

from 0°С (+32°F) to +50°С (+122°F)

Operation humidity 

up to 80% 

Dimensions

Ø20х90 mm (0.78x3.54 in)

4. SETTING-UP PROCEDURES 

4.1 Before installing the sensor, it is required to register it with the Ajax security system. In 

order to register the sensor, it is necessary to switch the Ajax security system’s receiver to 

«Add Device» mode (the receiver’s manual explains how to accomplish it) and to put the 

switch «2» (PICTURE 3) on the sensor to the «ON» position. Sensor’s light must blink at the 

moment of switching on. The registration request is transmitted at the moment the sensor 

is switched on only! In case the registration was not successful, switch off the sensor, wait for 

5 seconds and switch it on again. If the sensor’s light blinks constantly (each second during 

one minute), it means that the sensor is not registered. The light blinks in the same way if the 

sensor is deleted from the registration list. Non-registered sensor blinks also throughout 3 

seconds during each activation.

4.2 Having registered the sensor successfully, select an appropriate location to install it.

2. SPECIFICATIONS 

 ATTENTION!

Make sure that in the installation location sensor has a stable radio contact with the 

receiver! A maximum distance of 2000 m (6562 ft)  between the sensor and the cen-

tral unit is mentioned as a comparison with other devices. This distance was found 

as a result of open area tests. Connection quality and distance between the sensor 

and the receiver can vary depending on installation location, walls, compartments, 

bridgings,  as  well  as  the  thickness  and  constructional  material.  Signal  coming 

through obstacles, loses power. For example, distance range between the sensor 

and receiver, divided with two reinforced concrete bearing walls, constitutes approx-

imately 30 m (98.4 ft). Please note that moving the sensor alongside the doors even 

10 cm (4 in), it is possible to improve the signal reception considerably.   

DoorProtect

Make sure to check the signal strength! It is possible to launch a signal level test on the 

receiver’s side. Test launching is described in the receiver’s manual. 

 ATTENTION!

Signal level test and detection zone test for sensors take some time to start. A certain 

period of time is necessary for the receiver to send a test request to the sensor, and for 

the sensor to send a test response.

RECEIVER

SENSOR'S LIGHT EMITTING DIODE  DESCRIPTION

3 indication bars 

lights almost permanently, with short 

breaks each 1.5 seconds 

excellent signal 

2 indication bars

blinks 5 times per second

medium signal 

1 indication bar

blinks twice per second

low signal

0 bars

short fl ashes each 1.5 seconds 

no signal 

5. INSTALLATION 

5.1 In order to assemble the sensor and the big magnet, lift up the plastic SmartBracket 

panel with your fi nger (PICTURE 1), move it alongside the frame and remove it.

In order to assemble the small magnet, take its fastening clip out of the frame lifting it up 

with a screwdriver (PICTURE 2).

3. COMPONENTS

DoorProtect opening detection sensor, magnet, external contact, battery CR123A, 

installation set, manual

QR

QR

PICTURE 1. The sensor’s 

and the big magnet’s 

fastening clip

Move down 

and 

lift up 

PICTURE 2. 

Small magnet 

assembling 

Solar

 Plus

 Ajax

DoorProtect

Solar 

Sikring

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