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BA FU20pro N; DE,GB - 22478 - 2013.08-06
INSTRUCTION MANUAL DCF RADIO RECEIVER
Safety instructions
Technical data
DANGER! Danger of life / risk of fire and electric shock!
Installation and assembly of electrical equipment must be carried out only by a skilled person!
Power supply:
Via DCF terminals of the time switch / master cklock
(without battery, rechargeable battery)
Output:
DCF telegram
Connect the radio receiver only to the DCF terminals of the time switch / master clock!
Warranty void if housing opened by unauthorised person!
The electronic circuit is protected against a wide range of external influences.
Incorrect operating may occur if external influences exceed certain limits!
Installation and assembly of electrical equipment must be in accordance with local building and electrical codes!
Receiver:
Narrowband-heterodyne receiver
Operation indicator:
Flashing LED on receiving
Consequence of an interference with
reception:
Time switches / master clocks use their quartz as time base
Antenna:
Built-in ferrite rod
Installation note
Permitted ambient temperature:
20 °C…+50 °C
A
fter the radio receiver has been connected, it may take up to 60 seconds for the LED on the underside of the device to
start to flash!
The LED that is visible through the underside of the radio receiver must flash at one-second intervals. If the flashing
frequency is irregular or interrupted by flickering, this indicates no radio reception is possible and a different location
should be selected for the radio receiver!
Housing:
Self-extinguishing thermoplastic
Mounting:
Wall mounting with fastening bracket
Type of protection:
IP 54 to DIN EN 60529
Recommended cable(s):
Shielded/cross section 0.33 to 2.5 mm
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Type of connection:
Electrical power supply / protocol via 2-wire connection of the
DCF terminals of the time switches and master clocks
Connection of time switches / master clocks
Cables and cable routing
Wall mounting
IMPORTANT NOTE: Connect the radio receiver only to the DCF terminals of the
time switch / master clock!
Connect the radio receiver and time switch together so the
line(s) does/do not run between the installation wall and the
radio receiver.
Max. cable length: 200 m
Cable diameter: 0.33 to 2.5 mm2
Avoid routing in parallel with other lines (electricity, phone, etc.)
Unscrew both screws on the underside of the housing and lift off the base plate.
Guide a 2-core cable with any cross section through the supplied cable grommet, and install in
the opening of the base plate.
Screw the cable tight with the terminal.
Screw the housing back onto the base plate.
Select a favourable location (see also "Location and installation, in the building or outdoors").
Screw the fastening bracket on the wall and connect the radio receiver.
Location and installation, in the building or outdoors
Drilling template for wall bracket
No transformers, relays, contactors or the like are allowed to be
installed within a radius of 1 m around the radio receiver. If
there is a fluorescent lamp in this vicinity, it is necessary to
guarantee that it will be turned off from time to time, in order
ensure that a correct reception is possible during the switching
-
off time.
The transmitter is located in the vicinity of Frankfurt/Main. The
most favourable reception possibility is provided if the printed
front surface of the receiver is facing towards Frankfurt/Main. If
the LED that can be seen through the underside of the radio
receiver is flashing every second, this means the reception is
correct.
If wall mounting is used, the wall should not have any electrical
cables and metallic objects that disrupt reception.
The radio receiver is not allowed to be installed in a switch
cabinet or in the immediate vicinity of one.
After the radio receiver has been connected to a time switch, it
may take up to 60 seconds for the LED on the underside of the
radio receiver device to start to flash.
(DRAWING NOT TO SCALE)
Display on time switches with radio reception
When the radio receiver is connected, the time switches indicate with flashing of the DCF symbol that a connection has been established. It can take up
to 60 seconds for the symbol to appear on the display of the time switch after the radio receiver has been connected.
The symbol on the display flashes for between 2 and 3 minutes. Following this, the symbol remains continuously on the display, and signals that
synchronization has been successful.
If the DCF aerial does not receive ANY signal, the switching computers continue running internally with quartz accuracy. The DCF symbol is NOT
displayed.
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