Vitotrol 300; Room Temperature Sensor - Viessmann VITODENS 200-W Technical Manual

Control units
(cont.)
Set room temperature range
The set room temperature for reduced mode is adjusted at the control
unit.

Vitotrol 300

Part no. 7248 907
KM BUS subscriber
The Vitotrol 300 remote control regulates the required set room tem-
perature for one heating circuit in standard and reduced mode, the
heating program and the switching times for central heating, DHW
heating and the DHW circulation pump.
The Vitotrol 300 provides a backlit display as well as backlit heating
program keys, a party and economy key, automatic summer/winter
time changeover, keys for holiday program, day and time.
WS function:
Installation at any point in the building.
RS function:
Installation in the main living room on an internal wall opposite radia-
tors. Never install inside shelf units, niches, immediately by a door or
heat source (e.g. direct sunlight, fireplace, TV set, etc.).
The integral room temperature sensor captures the actual room tem-
perature and effects any necessary correction of the flow temperature
as well as a rapid heat-up at the start of the heating operation (if suit-
ably encoded).
Connection:
■ 2-core lead, length max. 50 m (even if connecting several remote
control units)
■ Never route this lead immediately next to 230/400 V cables
■ LV plug as standard delivery
5

Room temperature sensor

Part no. 7408 012
Separate room temperature sensor as supplement to the Vitotrol 200
and 300; to be used if the Vitotrol 200 or 300 cannot be installed inside
the main living room or in a suitable position where the unit can capture
and adjust the temperature.
Installation in the main living room on an internal wall opposite radia-
tors. Never install inside shelving units, in recesses, or immediately by
a door or heat source (e.g. direct sunlight, fireplace, TV set, etc.).
Connect the room temperature sensor to the Vitotrol 200 or 300.
Connection:
■ 2-core lead with a cross-section of 1.5 mm
■ Lead length from the remote control up to 30 m
■ Never route this lead immediately next to 230/400 V cables
VIESMANN
48
10 to 30 °C
adjustable from
3 to 23 °C or
17 to 37 °C
Specification
Power supply via KM BUS
Power consumption
Protection class
Protection
Permissible ambient temperature
– during operation
– during storage and transport
Set room temperature range
– for standard mode
– for reduced mode
2
(copper)
Specification
Protection class
IP rating
0.5 W
III
IP 30 to EN 60529;
safeguard through appro-
priate design and installa-
tion
0 to +40 °C
-20 to +65 °C
10 to 30 °C
adjustable to
3 to 23 °C or
17 to 37 °C
3 to 37 °C
8 0
□
III
IP 30 to EN 60529;
ensure through appropri-
ate design/installation
VITODENS 200-W