Viessmann Vitodens 200 Technical Manual page 101

System design 11
Vitodens 300 (from 49 kW) with/without DHW heating with three or more heating circuits with mixer and low loss header
A
2/K
R
P
O
N
Required equipment
Item Description
A Vitodens 300 (from 49 kW) with control unit for weather-compensated mode
and LON communication module
and LON cable
and LON terminator (2 pieces)
C Vitotronic 050 (type HK3W)
with LON communication module
D Temperature limiter for limiting the max. temperature of underfloor heating systems
Immersion thermostat
or
Contact thermostat
E Flow temperature sensor
F Heating circuit pump (e.g. in Modular Divicon)
G Extension kit for one heating circuit with mixer plus flow temperature sensor
K Flow temperature sensor for low loss header
L Low loss header in conjunction with Modular Divicon
M Primary pump (boiler circuit), variable speed
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
B
2/K
C
LON
3/230V
3/230V
D
E
E
B
F
H
G G
2/K
2/K
2/K
3/230V
M
K
L
3.2 Installation examples
A Vitodens 300 (from 49 kW) with
weather-compensated control unit
and LON communication
B Outside temperature sensor
C Vitotronic 050 (type HK3W)
D Maximum temperature limiter
E Flow temperature sensor
2/K
F Heating circuit pump
G Extension kit for one heating circuit
with mixer
H Regulating valve
E
K Flow temperature sensor for low loss
header
L Low loss header
F F
M Primary pump (boiler circuit)
N Cylinder primary pump
G
O Cylinder temperature sensor
P DHW cylinder
R Internal extension H 1 or H 2
or
external extension H 1
Required electrical connecting cables
2/K
3/230 V Number of cores/230 V~
System design 11
Number of cores/low voltage
Quantity Part no.
1 as per pricelist
1 7179 113
1 7143 495
1 7143 497
1 Z001 844
1 7172 173
1 7151 728
1 7151 729
1 per Standard delivery of
heating the extension kit
circuit
1 per as per pricelist
heating
circuit
1 per 7450 650
heating
circuit
1 7179 488
1 as per pricelist
1 7178 820
1 7339 468
1 7179 114
1 as per pricelist
1 7179 057
1 7179 144
1 7179 058
300
3
101