Astra-421 ver.RF
Wireless Optic-Electronic
Smoke Detector
User Guide
Manufacturer:
TEKO-TD
420138 Kazan, Russia
Prospekt Pobedy str. 19
+7(843) 261-55-75
[email protected]
security-hub.ru/en
Made in Russia
Rev. 421rk2-v2_2_instr_en
1 FUNCTION
The detector is intended to detect fires accom-
panied by the smoke, forming a notification of a
fire and transfer the notification to the
Security
Hub
controller
via radio.
The detector provides measurement and
transmission via radio:
a) the residual capacity of the battery when
the capacity value is 30, 20 and 10%.
b) ambient temperature
2 SPECIFICATION
Detector`s sensitivity, dB/m
....... from 0.05 to 0.2
Response time, sec., max ..............................10
Detection area, m
2
, max ............................... 110
Wireless coverage range
(line-of-sight), m ........................................... 100
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 condensation
3 DELIVERY SET
Delivery set includes: battery, 3.0 V, (CR123A)
- 2 pcs., protective cover (red)
– 1 pcs., user
guide
– 1 pcs.
4 INDICATION
NOTICE
INDICATION
Boot time
1x red flash then 1x white led
flash
Norm
1x red flash in 60 sec. period
Fire alarm
1x red flash every 2 sec. 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
1x red flash in every 2 sec.
during 30 sec. when receiv-
ing the test command from
the Astra-942 laser remote
control
Failure
3x red flash in 25 sec. period
Power failure
3x red flash in 25 sec. period
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.
NOTE
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.
