Installation site:
■ Weather-compensated mode:
Installation anywhere in the building
■ Room temperature hook-up:
The integral room temperature sensor captures the actual room
temperature and effects any necessary correction of the flow tem-
perature.
The captured room temperature depends on the installation site:
– Main living room on an internal wall opposite radiators
– Not on shelves or in recesses
– Never in the immediate vicinity of doors or close to heat sources
(e.g. direct sunlight, fireplace, TV set, etc.)
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
Safety category
III
IP rating
IP 30 to EN 60529; ensure
through design/installation
Permissible ambient temperature
– Operation
0 to +40 °C
– Storage and transport
−20 to +65 °C
Setting range of the set room tempera-
ture for standard mode
3 to 37 °C
Vitotrol 300A
Part no. Z012 688
KM BUS subscriber.
■ Indicators:
– Room temperature
– Outdoor temperature
– Operating program
– Operating condition
– Heat-up condition of the heating water buffer cylinder, ash box full,
recharge fuel and heat-up (depending on boiler type).
■ Settings:
– Set room temperature for standard mode (normal room tempera-
ture) and reduced mode (reduced room temperature)
– Set DHW temperature
– Operating program, switching times for heating circuits, plus fur-
ther settings via plain text menu on the display
■ Party and economy mode can be enabled via the menu
■ Integrated room temperature sensor for room temperature hook-up
Installation site:
■ Weather-compensated mode:
Installation anywhere in the building.
■ Room temperature hook-up:
The integral room temperature sensor captures the actual room
temperature and effects any necessary correction of the flow tem-
perature.
The captured room temperature depends on the installation site:
– Main living room on an internal wall opposite radiators.
– Not on shelves or in recesses.
– Never in the immediate vicinity of doors or close to heat sources
(e.g. direct sunlight, fireplace, TV set, etc.).
Connection:
■ 2-core lead, length max. 50 m (even if connecting several remote
control units).
■ Never route this cable immediately next to 230/400 V cables.
■ LV plug included in standard delivery.
20,5
155
97
Specification
Power supply via KM BUS
Power consumption
0.5 W
Safety category
III
IP rating
IP 30 to EN 60529
Ensure through design/in-
stallation
Permissible ambient temperature
– During operation
0 to +40 °C
– During storage and transport
−20 to +65 °C
Setting range for set room temperature
3 to 37 °C
Ecotronic control unit for Vitoligno 300-H
(cont.)
22
VIESMANN
VITOLIGNO 300-H
3
5672 507 GB
