Viessmann Vitodens 200 Technical Manual page 98

3.2 Installation examples
System design 8
300
Installation example Vitodens 300 (from 49 kW)
System design 8
Vitodens 300 (from 49 kW) with/without DHW heating with one heating circuit without mixer
2/K
M
L
K
3/230V
H
3
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)
C for constant temperature mode:
Vitotrol 100, type UTA
or
D for constant temperature mode:
Vitotrol 100, type UTD
or
E for weather-compensated mode:
Vitotrol 200
or
Vitotrol 300
G Heating circuit pump (observe the pump diagram on page 86), variable speed
H Cylinder primary pump
K Cylinder temperature sensor
L DHW cylinder
M 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)
98
C D
B
A
2/K
2/230V 2/K
3/230V
3/230V
G
E F
A Vitodens 300 (from 49 kW)
B Outside temperature sensor (only for
C Vitotrol 100, type UTA
D Vitotrol 100, type UTD for the constant
E Vitotrol 200 or 300
F Heating circuit
G Heating circuit pump (accessories)
H Cylinder primary pump
K Cylinder temperature sensor
L DHW cylinder
M Internal extension H 1 or H 2
Note
For a volume flow of < 0.3 m
> 3.5 m
(see specification).
weather-compensated control units)
for the control unit for constant
temperature mode
temperature control unit
for the control unit for
weather-compensated mode
(accessories)
(accessories)
or
external extension H 1
3
/h or
3
/h, install a low loss header
Quantity Part no.
1 as per pricelist
1 7170 149
1 7179 059
1 7450 017
1 7179 060
1 7178 820
1 7339 468
1 7179 114
1 as per pricelist
1 7179 057
1 7179 144
1 7179 058
VITODENS