Bosch FAS-420-TP1 Guia De Instalacion página 19

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FAS-420-TP1 | FAS-420-TP2 | FAS-420-TT1 | FAS-420-TT2 | FAS-420-TP1-SL | FAS-420-TP2-SL |
FAS-420-TT1-SL | FAS-420-TT2-SL
Detector
module
DM-TT-01(05)
DM-TT-10(25)
DM-TT-50(80)
Threshold for Airflow Fault
Low (+/- 10% volume flow change)
Average (+/- 20% volume flow change)
High (+/- 30% volume flow change)
Very high (+/- 50% volume flow change)
Airflow Fault Delay
30 seconds
2 minutes
15 minutes
60 minutes
NOTICE!
When the fire panel is in revision mode, the LOGIC·SENS is temporarily deactivated, allowing
the detector modules to be checked quickly and directly.
The sensitivity value is based on measurements with standard test fires (old value in
brackets).
The activation threshold for the airflow malfunction is set to 20% volume flow change by
default. Higher values are not permitted within EN 54-20.
Commissioning
See Figure 5, Page 5.
1.
2.
3.
4.
Troubleshooting Using Flash Codes
Malfunctions and unit statuses are displayed using flashcodes:
-
-
LED flash code on detector module
1 flash
2 flashes
3 flashes
Bosch Sicherheitssysteme GmbH
Sensitivity
DM-TT-
01(05)
0.015%/m
(0.05%/m)
0.03%/m
(0.1%/m)
0.06%/m
(0.2%/m)
0.12%/m
(0.4%/m)
Check the system following installation using the DIAG Diagnostic Software.
The device must be operated for at least 30 min prior to the airflow being initialized to
bring it up to operating temperature.
To initialize the connected pipe system, press the S2 flow-init button (see Figure 5,
Page 5) on the detector module concerned until the green operating LED on the unit
starts to flash. Initialization is complete after approx. 10 seconds. Following successful
initialization, the operating LED lights up permanently.
No further modifications may be made to the pipe system during or after initialization.
The unit's fan voltage must also remain unchanged following initialization. Otherwise, the
initialization procedure must be repeated.
By means of an LED on the detector module
By means of one or two LED(s) on the unit motherboard (one LED per detector module).
Airflow initialization active (flow-init)
Airflow too small (obstruction)
Airflow too large (pipe breakage)
DM-TT-
DM-TT-
10(25)
50(80)
0.1%/m
0.5%/m
(0.25%/m)
(0.8%/m)
0.2%/m
1.0%/m
(0.5%/m)
(1.6%/m)
0.4%/m
(1%/m)
0.8%/m
(2%/m)
Alarm delay
0 seconds
10 seconds
30 seconds
60 seconds
LOGIC·SENS filter
Off
On
en
Further sensitivity
A second sensitivity can
be set, e.g. for day/night
mode. For adjustable
sensitivity levels, see left.
F.U01.029.274 | 4.0 | 2010.12
19

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