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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
2
(copper)
■ Lead length from the remote control up to 30 m
■ Never route this lead immediately next to 230/400 V cables
20
80
□
Specification
Protection class
III
IP rating
IP 30 to EN 60529;
ensure through appropri-
ate design/installation
Sensor type
Viessmann Ni500
Permissible ambient temperature
– during operation
0 to +40 °C
– during storage and transport
−
20 to +65 °C
KM BUS distributor
Part no. 7415 028
For the connection of 2 to 9 devices to the Vitotronic KM BUS.
217
130
84
Specification
Lead length
3.0 m, fully wired
Protection
IP 32 to EN 60529;
safeguard through appro-
priate design and installa-
tion
Permissible ambient temperature
– during operation
0 to +40 °C
– during storage and transport
-
20 to +65 °C
Flue gas temperature sensor
Part no. 7450 630
For scanning the flue gas temperature, flue gas temperature monitor-
ing and maintenance indication, if the set temperature has been excee-
ded.
With threaded cone.
Installation on the flue pipe. The distance from the boiler must be
approx. 1.5 times the flue pipe diameter, measured from the boiler
edge (back) to the chimney stack.
■ Condensing boilers with Viessmann balanced flue system:
Order the balanced flue pipe with connector for the flue gas temper-
ature sensor separately.
■ For condensing boilers with on-site flue pipe:
The aperture required for the flue pipe installation must be designed
and approved by the supplier. Install the flue gas temperature sensor
into a stainless steel sensor well (on-site provision).
Specification
Lead length
3.8 m, fully wired
IP rating
IP 60 to EN 60529; ensure
through appropriate design
and installation
Sensor type
Viessmann Pt500
Permissible ambient temperature
– during operation
0 to +600 °C
– during storage and transport
-20 to +70 °C
Control units
(cont.)
60
VIESMANN
VITOGAS
6
5822 428 GB