Wireless Outside Temperature Sensor - Viessmann VITOCROSSAL 200 Type CM2 Technical Manual

Control units
(cont.)

Wireless outside temperature sensor

Part no. 7455 213
Wireless subscriber.
Wireless, light-activated outside temperature sensor with integral wire-
less transmitter for operation with the wireless base station and the
Vitotronic control unit.
Installation location:
■ North or north-western wall of the building
■ 2 to 2.5 m above the ground, for multi storey buildings in the upper
half of the second floor
9
6 6
4 1
Wireless repeater
Part no. 7456 538
Mains operated repeater to increase the wireless range and for use in
areas where wireless communication is difficult. Observe the "Wireless
accessories" technical guide.
No more than one wireless repeater per Vitotronic control unit.
■ For preventing over-diagonal angle of penetration of the radio sig-
nals through steel reinforced concrete ceilings/floors and/or multiple
walls.
■ For circumventing large metallic objects situated between the wire-
less components.
Room temperature sensor
Part no. 7438 537
Separate room temperature sensor as supplement to the Vitotrol
300A; to be used if the Vitotrol 300A cannot be installed inside the main
living room or in a suitable position where the unit could 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 300A.
Connection:
VIESMANN
74
Specification
Power supply via PV cells and energy store
Radio frequency
Wireless range
IP rating
Permissible ambient temperature dur-
ing operation, storage and transport
Specification
Power supply
Power consumption
Radio frequency
Cable length
Safety category
IP rating
Permissible ambient temperature
– During operation
– During storage and transport
■ 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
868.3 MHz
See "Wireless accessories"
technical guide
IP 43 to EN 60529
Ensure through design/in-
stallation
−40 to +60 °C
via plug-in power supply
unit 230 V~/5 V−
0.25 W
868.3 MHz
1.1 m with plug
II
IP 20 to EN 60529
Ensure through design/in-
stallation
0 to +55 °C
−20 to +75 °C
2 (copper)
Gas condensing boilers