Viessmann VITOTRONIC 200 Technical Data Manual page 6

Accessories
Accessories
(continued)
Room temperature sensor,
Part No. 7133 379
A separate room temperature sensor as
an addition to the Vitotrol 200 or 300; to
be used when the Vitotrol 200 or 300
remote controls cannot be placed in the
main living area or in a position suitable
for monitoring the room temperature.
The room temperature sensor must be
installed on an inside wall of the main
living area, across from radiators, but not
on shelves, in niches or in the close
vicinity of doors or heat sources of any
kind (e.g. direct sunlight, fireplace, TV,
etc.).
The room temperature sensor is to be
connected with the Vitotrol 200 or 300.
Connection:
2-wire cable with a wire diameter of
–
AWG 16 copper.
Cable length between control unit,
–
remote control and room temperature
sensor must not exceed 115 ft./35 m.
Cable must not be placed together with
–
line voltage wiring.
Maximum ambient
temperature
–at operation: 32 to 104 ºF/
0 to 40 ºC
–when storing
or transporting:
–4 to +149 ºF/
–20 to +65 ºC
6
KM-BUS Expansion Module,
Part No. 7133 393
With cable (10 ft./3 m long) and low
voltage plug.
To connect up to 6 devices to the single
KM-BUS connection of the boiler control
(Vitotrol, Switching Module-V etc.).
Switching Module-V,
Part No. 7133 387
With cable (10 ft./3 m long) and low
voltage plug.
With the Switching Module-V the
following additional functions are
feasible:
external burner activation upon heat
–
demand (influences burner, possible
pumps and mixing valves), e.g. pool
heating, ventilation equipment etc.
external disabling of burner
–
remote switching of heating/operating
–
program, separate for each heating
circuit
external error message input
–
output of error message (SPDT contact)
–
connection for short-term operation of
–
domestic hot water recirculation pump
(e.g. by external button)