76
en | Commissioning
FAS-420-TM Aspirating Smoke Detector
F.01U.088.878 | 4.1 | 2010.11
Operation Guide
Bosch Sicherheitssysteme GmbH
6
Commissioning
6.1
Preparation
Checking the settings
Check the detector address setting prior to commissioning (
Section 4.2 Setting the Detector
Address, page 58
).
Install the pipe system fully before inserting the detector module and connect it to the
housing base of the FAS-420-TM.
Connection test
Check whether…
1.
The correct aspiration reducing film sheets are glued to the air sampling openings.
2.
The pipe system is securely connected to the FAS-420-TM pipe connection.
3.
All pipe fittings are glued together and the pipe system is sealed.
To do this, first close all air sampling openings (e.g. with duct tape). Then measure the
negative pressure at the opening for the return airflow using a digital precision pressure
gauge (see
Section 6.7.2 Conducting the Functional Test, page 82
).
After a short run-up time, the negative pressure must be 80 Pa.
FAS-ASD-DIAG Diagnostic Software
Then check the system using the FAS-ASD-DIAG Diagnostic Software.
Follow the procedure below:
1.
Install the diagnostic software on a laptop or PC (for system requirements and
connections, see
Section 4.5 Data Logging, page 65
).
2.
The data transmission of the FAS-420-TM takes place bidirectionally via the infrared port
on the front of the device. The diagnostic appliance is connected to the PC using the USB
cable provided.
3.
The diagnostic software is started.
The current FAS-420-TM data is displayed on the PC’s screen.
6.2
Detector Module Commissioning
1.
Insert the FAS-420-TM detector module into the pre-mounted housing base that has been
checked for correct wiring.
2.
Replug the X4 jumper when inserting the detector module (PIN 1-2 or PIN 2-3, or vice
versa). Replugging will cause airflow calibration to be carried out automatically (see
Figure 6.1
).
3.
The green operation display flashes when the FAS-420-TM is initializing. If initialization is
complete, the operation display lights up permanently.
4.
The airflow of the FAS-420-TM must not be influenced during the initialization phase.
NOTICE!
For a later evaluation of the airflow value, record the calibration type (see
Section 6.3 Calibrating the Airflow Sensor
), start-up temperature, air pressure and height above
sea level in the test log (see
Section 8.4 Test Log for Aspirating Smoke Detectors in the
FAS-420-TM Series, page 99
).
NOTICE!
When inserting the detector module, be aware of the mechanical coding, which protects the
device against twisting.
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