Astra-421 ver. RF
Wireless Optic-Electronic
Smoke Detector
User Guide
Manufacturer:
ZAO NTC TEKO
420108 Kazan, Russia
Gafuri 71
+7843 528-03-69
[email protected]
www.teko.biz
Made in Russia
Rev. 421rk2-v2_5_instr_en
1 FUNCTION
The detector is designed to detect fires accom-
panied by the appearance of smoke, generate a
fire notice and transmit notifications via a radio
channel to the Astra-812 Pro control panel
directly or through the Astra-WE 433 radio ex-
tender also to the Security Hub controller.
The detector supports two-way radio exchange
mode.
2 SPECIFICATIONS
Detector`s sensitivity, dB/m
....... from 0.05 to 0.2
Response time, sec., max ..............................10
Installation height, m, max .............................12
Wireless coverage range
(line-of-sight), m ........................................... 300
Operating frequency range, MHz ................. 433
Power supply voltage, V .............. from 2.1 to 3.0
Overall dimensions, mm ...................
Ø106 × 60
Operating Conditions
Temperature range,
°
С ............from - 30 to + 55
Relative air humidity, % ........ up to 93 at + 40
°
С
without moisture conden-
sation
3 DELIVERY SET
Delivery set includes: battery, 3.0 V, (CR123A)
- 2 pcs.(installed), protective cover (red)
– 1
pcs., user guide
– 1 pcs.
4 INDICATION
Notification
Indication
Boot time
1x red flash
then 1x white
flash
Norm
1x red flash
in 60 sec. period
Fire alarm
1time/2 sec red flash
until the
fire factor is eliminated.
2x flashing
in a period of
25
sec.
when eliminating the fire
factor before receiving a
command from the controller
Test
1time/2 sec red flash
during
30 sec.
when receiving the
test command from the Astra-
942 laser remote control
Failure
3x red flash
in
25 sec.
peri-
od
Power failure
3x red flash
in
25 sec.
peri-
od
Tampering /
Restore tam-
pering
1x red
flash
Search con-
nection
5x white flash in 1 sec.
No connection
2x white flash in 25 sec.
period
Reset
2
x white flash in 1-2 sec.
Notes
1 When the message “Power failure” appears,
the battery must be replaced within two months.
2 Indication of notifications "Power failure", "No
network", "Search for network" goes off 60
minutes after
turning on the power supply. The
indication turns on again for 60 minutes after
receiving
the "Test" command from the Astra-
942 laser tester.
