Room Temperature Sensor; Radio Clock Receiver - Viessmann VITODENS 300 Datasheet

Room temperature sensor,

part no. 7408 012
Separate room temperature sensor as
supplement to Vitotrol 200 or 300; to be
used if Vitotrol 200 or 300 cannot be
installed inside the main living room or in
a suitable position where the unit can be
installed to record or adjust the
temperature.
Install the room temperature sensor in
the main living room on an internal wall
opposite radiators, but not inside shelf
units, niches, immediately by a door or a
heat source (e.g. direct sunlight, fireplace,
TV set, etc.).
Connect the room temperature sensor to
Vitotrol 200 or 300.
Connection:
H 2 core cable with a cross−section of
2
1.5 mm .
H Cable length from the remote control
30 m.
H Never route this lead immediately next
to 230/400 V cables.
Safety class: III
Protection: IP 30 to
EN 60529,
safeguard
through
design/
installation
Permissible ambient
temperature
H in operation: 20 to +40 ºC
H in storage
20 to +65 ºC
and transport:
VITODENS 300
Vitotronic 200 and Vitotronic 333 accessories

Radio clock receiver,

part no. 7450 563
.
For receiving the DCF 77 time signal
(location: Mainflingen near
Frankfurt/Main [Germany]).
Radio controlled setting of time and date.
Install the radio clock receiver on an
outside wall in the direction of the
transmitter. The reception may be
reduced by metallic elements in the
building structure, e. g. steel reinforced
concrete, neighbouring buildings and
sources of electro−magnetic interference,
e. g. HV and public transport lines.
Connection:
H 2 core lead with a max. length of 35 m
when using a cross−section of 1.5 mm
copper.
H Never route this lead immediately next
to 230/400 V cables.
2
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