Testing And Measuring Instruments; Preparatory Work - Siemens FS720 Commissioning, Maintenance, Troubleshooting

23.3 Testing and measuring instruments

Test
Voltage, current and resistance
measuring
Testing batteries
Poll diagnosis data
Insert and remove FD720 point
detectors
Test FD720 point detectors
Test manual call points, line
devices and alarm devices
Test linear smoke detector
FDL241-9
Test flame detector FDF2x1-9
Test ↑ C-NET detector line

23.4 Preparatory work

Building Technologies
Fire Safety
The following table shows an overview of the test devices and measuring
instruments used.
Required auxiliaries
Universal measuring instrument
Battery tester
Maintenance PC with Cerberus-
Engineering-Tool
Detector exchanger DX791
Adapter for detector exchanger
FDUD491
Test gas REF 8-S
(recommended), REF 8, hot air
fan
Adjustment kit FDLU291
LE3 Test lamp
Line tester FDUL221
Inform the system owner
Inform the system owner of the scope and expected duration of work and also that
↑ 'Site' operation will be restricted.
For large-scale systems fill out the system shutdown notification sheet and have
this signed by the system owner.
Block system components
Block the following system components:
● Remote alarm (log out on the receiving center)
● 'Fire controls' and alarm equipment
● Extinguishing stations
Specify the procedure
Stipulate the times for the following test sequences with the system owner:
● Test alarms (including remote transmission)
● Performance check for 'Fire controls'
● Additional instructions (if required)
● Clarifications (if required)
Maintenance
Testing and measuring instruments
Comment
Measuring ranges:
● Voltage: AC/DC 1...500 V
● Current: DC 100 mA...5 A
● Resistance: 10 Ω...10 MΩ
Measurement error: ≤2 %
Internal resistance: ≥20 kΩ
Load resistance: 5 Ω
For requirements, see document
A6V10210424. See chapter 'Applicable
documents'.
Compatible with all FD720 point
detectors. Some detectors also require
the adapter for detector exchanger
FDUD491.
Adjustment device and black alarm test
filter
A6V10210416_j_en_--
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