Viessmann Vitodens 200 Technical Manual page 99

System design 9
Vitodens 300 (from 49 kW) with/without DHW heating with one heating circuit without mixer plus system separation
A
2/K
R
P
O
3/230V
N
Required electrical connecting cables
2/K Number of cores/low voltage
3/230 V Number of cores/230 V~
Required equipment
Item Description
A Vitodens 300 (from 49 kW) with control unit for weather-compensated mode
C Vitotrol 200
or
Vitotrol 300
E Temperature limiter for limiting the max. temperature of underfloor heating systems
Immersion thermostat
or
Contact thermostat
G Heating circuit pump
H Plate heat exchanger Vitotrans 100
K Heating circuit pump
M Extension kit for one heating circuit with mixer plus flow temperature sensor
N Cylinder primary pump
O Cylinder temperature sensor
P DHW cylinder
R Internal extension H 1 (system without DHW circulation; optional connection of an external
safety valve for LPG)
or
internal extension H 2 (system without DHW circulation; optional connection of an interlock
for extraction equipment)
or
external extension H 1 (system with DHW circulation)
VITODENS
D
E
F
C
2/K
B
3/230V
G
2/K
2/K
2/K
3/230V
3/230V
K
L
M
M
~
3.2 Installation examples
A Vitodens 300 (from 49 kW) with
control unit for weather-compensated
mode
B Outside temperature sensor
C Vitotrol
D Underfloor heating circuit
E Max. temperature limiter
F Flow temperature sensor
G Heating circuit pump (on site)
H
downstream of the heat exchanger
H Plate heat exchanger for system
separation
K Heating circuit pump (on site)
upstream of the heat exchanger
L Three-way mixer
M Extension kit for one heating circuit
with mixer
N Cylinder primary pump
(accessories)
O Cylinder temperature sensor
P DHW cylinder
R Internal extension H 1 or H 2
or
external extension H 1
Note
For a volume flow of < 0.3 m
3
> 3.5 m /h, install a low loss header
(see specification).
Quantity Part no.
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
System design 9
300
3
3
/h or
as per pricelist
7450 017
7179 060
7151 728
7151 729
on-site
as per pricelist
on-site
7178 995
or
7178 996
7339 468
7179 114
as per pricelist
7179 057
7179 144
7179 058
99