Wireless Repeater - Viessmann VITODENS 200-W Type B2HA Technical Manual

Control units
(cont.)

Wireless repeater

Part no. 7456538
Mains operated wireless repeater to increase the wireless range and
for use in areas where wireless communication is difficult. Observe
the "Wireless accessories" technical guide.
Do not use more than one wireless repeater per Vitotronic control
unit.
■ For preventing strongly diagonal angles of penetration of the radio
signals 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. 7438537
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 for temperature
capture and adjustment.
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 insolation, fireplace, TV set, etc.
Connect the room temperature sensor to the Vitotrol 300A.
Connection:
■ 2-core lead with a cross-section of 1.5 mm
■ Max. lead length from the remote control: 30 m
■ Never route this cable immediately next to 230/400 V cables.
8 0
□
Immersion temperature sensor
Part no. 7438702
To capture a temperature in a sensor well
VITODENS 200-W
Specification
Power supply
Power consumption
Radio frequency
Lead length
Safety category
IP rating
Permissible ambient temperature
– Operation
– Storage and transport
Specification
Protection class
IP rating
Sensor type
Permissible ambient temperature
– Operation
– Storage and transport
2 (copper)
230 V~/5 V via plug-in power supply
unit
0.25 W
868 MHz
1.1 m with plug
II
IP 20 to EN 60529; ensure through de-
sign/installation
0 to +55 °C
−20 to +75 °C
III
IP 30 to EN 60529; ensure through de-
sign/installation
Viessmann NTC 10 kΩ at 25 °C
0 to +40 °C
−20 to +65 °C
VIESMANN
5
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