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
148
20,5
97
Specification
Power supply via KM BUS
Power consumption
0.2 W
Protection class
III
IP rating
IP 30 to EN 60529;
ensure through appropri-
ate design/installation
Permissible ambient temperature
– during operation
0 to +40 °C
– during storage and transport
-20 to +65 °C
Set room temperature range
3 to 37 °C
Vitotrol 300A
Part no. Z008 342
KM BUS subscriber
Up to 3 heating circuits can be operated with one Vitotrol 300A; alter-
natively one Vitotrol 300A can be employed for each heating circuit in
a single heating system.
Up to 2 remote controls may be connected to the control unit.
Functions:
■ Displaying:
– Room temperature
– Outside temperature
– Heating program
– Operating condition
– Solar yield as graphic display
■ Settings:
– Set room temperatures for standard mode (day temperature) and
reduced mode (night temperature) via the standard display
– Heating program, switching times for heating circuits, DHW heat-
ing and DHW circulation pump plus further settings via plain text
menu on the display
■ Party and economy mode can be enabled via the menu
■ Only for heating circuit with mixer:
Room temperature sensor for room temperature hook-up
Note
For room temperature hook-up, the Vitotrol 300A must be installed
in the living space (lead room).
Installation location:
■ Weather-compensated mode:
Installation anywhere in the building.
■ Room temperature hook-up:
Installation in the main living room on an internal wall opposite radi-
ators. Never install inside shelving units, in recesss, or immediately
by a door or heat source (e.g. direct sunlight, fireplace, TV set, etc.).
The integral room temperature sensor captures the actual room
temperature and effects any necessary correction of the flow tem-
perature as well as a quick heat-up at the start of the heating oper-
ation (if suitably 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
20,5
155
97
Specification
Power supply via KM BUS
Power consumption
0.5 W
Protection class
III
IP rating
IP 30 to EN 60529;
ensure through appropri-
ate design/installation
Permissible ambient temperature
– during operation
0 to +40 °C
– during storage and transport
−
20 to +65 °C
Set room temperature range
3 to 37 °C
Control unit
(cont.)
60
VIESMANN
VITOLADENS 300-W
/
VITOLADENS 333-F
6
5822 425 GB
