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Installation and Operating Instructions
CHAPTER 5
MAINTENANCE
m
DANGER
NOTE
m
DANGER
nm
Signal generators BL, BLH, WH
– Alarm siren WH
Operating voltage
Voltage range
Maximum current consumption
Current consumption at 24 Volt
Connection
Connection terminals
Reverse polarity protection
Adjustable alarm tones
Volume adjustment range
Protection category
Temperature range
Casing/colour
Weight
Assembly
Guideline
5�1 Maintenance information
m
Danger to life due to electric shock!
The unit must be fully isolated from the mains power supply and secured against
being switched on again before all cleaning and maintenance work!
Servicing and maintenance work must be carried out in accordance with applicable
standards and guidelines and the regulations of the respective country!
Helios stipulates the following:
― Servicing and inspection work must be carried out regularly and only by trained
specialist personnel, see „1.8 Personnel qualification", page 2.
― Functional and visual inspections must be carried out at least once annually in ac-
cordance with the maintenance instructions and according to the following criteria:
1. Visual inspection of mounting
2. Visual inspection of signal generator (damage and contamination)
3. Visual inspection of signal generator labelling
If the annual inspection results in a faultless evaluation of functionality, the units can re-
main in service. Signal generators which are clearly heavily contaminated or mechanically
damaged must be immediately replaced.
Earlier replacement or servicing and maintenance may be necessary in particularly
dusty environments!
5�2 Standstill and disposal
m
Danger to life due to electric shock!
When dismantling, live parts can be exposed, which can result in electric shock
if touched� Before dismantling, isolate the unit from the mains power supply and
protect against being switching on again!
Parts and components of the unit, whose service life has expired, e.g. due to wear and tear, corrosion,
mechanical load, fatigue and/or other effects that cannot be directly discerned, must be disposed of expertly
and properly after disassembly in accordance with the national and international laws and regulations. The
same also applies to auxiliary materials in use. Such as oils and greases or other substances. The intended
and unintended further use of worn parts, e.g. impellers, rolling bearings, filters, etc. can result in danger
to persons, the environment as well as machines and systems. The corresponding operator guidelines
applicable on-site must be observed and used.
Please think of the environment, you can make a significant contribution to the environmental protection
by returning batteries and accumulators!
24 Volt DC
18 to 28 Volt DC
32 mA
5 bis 32 mA
Terminal block
0.28 mm² to 2.5 mm²
Integrated
32, incl. German fire, 103 dB(A), 1 Hz
100-112 dB(A)
IP 65
-25 to +70 °C
ABS/rot
0.25 kg
Wall and ceiling installation
VdS
8
EN
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