Specification, Vitotronic 300-K - Viessmann VITODENS 200-W Technical Manual

Control units
(cont.)
90
80
70
60
50
40
30
20
20 15 10 5
Outside temperature in °C
The upper flow temperature is limited by the temperature controller
"R" and the electronically set maximum temperature of the
Vitotronic 100 boiler control units, type HC1B.
Outside temperature sensor
Installation site:
■ 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
Connection:
■ 2-core lead, length max. 35 m with a cross-section of 1.5 mm
per).
■ Never route this lead immediately next to 230/400 V cables
5
6 6
4 1

Specification, Vitotronic 300-K

Rated voltage:
Rated frequency:
Rated current:
Power consumption:
Safety category:
IP rating:
Function:
Permissible ambient temperature
– during operation:
VIESMANN
52
Heating curve slope
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0 -5 -10 -15 -20 -25 -30
230 V ~
50 Hz
6 A
10 W
I
IP 20 D to EN 60529, en-
sure through design/instal-
lation
Type 1B to EN 60730-1
0 to +40 °C for use in the
living space or boiler room
(standard ambient condi-
tions)
Specification
IP rating
Sensor type
Permissible ambient temperature dur-
ing operation, storage and transport
Immersion temperature sensor
To capture the common flow temperature of the multi boiler system.
Inserted into the sensor well of the low loss header or secured with a
tie.
Specification
Lead length
IP rating
Sensor type
Permissible ambient temperature
– during operation
– during storage and transport
Cylinder temperature sensor
Specification
Lead length
IP rating
Sensor type
2 (cop-
Permissible ambient temperature
– during operation
– during storage and transport
– during storage and transport:
Rated relay output breaking capacity:
– Heating circuit pumps or heat exchang-
er set sÖ:
– Circulation pump for cylinder heating
sA:
– DHW circulation pump sK:
– Distribution pump sL:
– Central fault message gÖ:
– Motor, 3-way mixing valve, primary
store system
or
Mixer motor gS:
– Overall max.
IP 43 to EN 60529
ensure through appropriate
design/installation
Viessmann NTC 10 kΩ, at
25 °C
−40 to +70 °C
5.8 m, fully wired
IP 32 to EN 60529
Viessmann NTC 10 kΩ at
25 °C
0 to +90 °C
–20 to +70 °C
5.8 m, fully wired
IP 32 to EN 60529
Viessmann NTC 10 kΩ at
25 °C
0 to +90 °C
–20 to +70 °C
–20 to +65 °C
4(2) A 230 V~
4(2) A 230 V~
4(2) A 230 V~
4(2) A 230 V~
4(2) A 230 V~
0.2(0.1) A 230 V~
6 A 230 V~
VITODENS 200-W