Installation Instructions
Optical Smoke Switch ORS 142
Connecting the relay contacts:
4
5
in operation
- slight contamination
- heavy contamination
4
5
- power failure
- fault
- alarm
4.3 Installing the Smoke Switch
Install the Smoke Switch only when the
power supply is switched off!
The Smoke Switch is fitted directly in its base, as
shown in the illustrations below:
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Please see Section 8 “Ordering data” for the bases
available for mounting Smoke Switch ORS 142.
5 Testing the Smoke Switch
After installation, the Smoke Switch must be tested
for correct operation using the test aerosol. When
carrying out tests, be sure to follow the safety in-
structions printed on the can of Test Aerosol 918/5.
6 Maintenance instructions
The LED display provides a permanent indication of
the operational status of the Smoke Switch. To avoid
false alarms, when the LEDs signal “heavy contami-
nation”, replace the Smoke Switch or send it for
servicing in our works.
6.1 Meanings of LED signals
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Signal,
frequency
LED colours Meaning
Green
In operation
Green/yellow Slight contamination
Green/yellow Heavy contamination
Yellow
Fault
Red
Alarm
“Off”
Power failure
7 Technical data for ORS 142
Switches off due to overheating ca. 70°C
Operating voltage
18 V DC ... 28 V DC
Current draw at 28 V DC
Quiescent
Alarm condition
Fault condition
max. 21 mA
max. 10 mA
max. 25 mA
Relay contacts
Switched voltage
Switched current
Switched power
max. 30 V DC
max. 1 A
max. 30 W
Protection rating
IP 42
Ambient temperature for
operation
-20 °C ... +60 °C
Weight
120 g
8 Ordering data
Product designation, description
Order no..
Smoke Switch ORS 142
5000552
Heat Switch TDS 247
5100158
Base 143 A for surface mounting on ceilings 5000350
Base 143 W for surface mounting on walls
5000513
Base 143 AF for surface mntg. in damp
areas
5000356
Base 143 UH for flush mounting in ceilings
5000359
Mains NG 519
230 V AC / 24 V DC, 350 mA
5400080
Mains unit NAG 03
230 V AC / 24 V DC, 900 mA
5400081
Test aerosol 918/5
6900331
A member of the
Securitas Group Switzerland
HEKATRON Vertriebs GmbH
Brühlmatten 9
D-79295 Sulzburg
T49 (0) 76 34 500-3 10
T49 (0) 76 34 500-3 23
www.hekatron.com
click
7002283 030206.VDA
Specififcations subject to change without
notice. Delivery subject to availability.
Z-6.5-1725
Z-6.5-1571
EN 54 / 7
