Viessmann VITODENS 200-W Technical Manual page 30

Design information
Installation in series, directly against the wall
D
4
Shown without the thermal insulation supplied
A Flue gas cascade
B Vitodens
C Vitotronic 300-K (to be fitted to the wall either to the left or the
right)
The total length of all BUS cables (on site) should not exceed
50 m.
For details regarding the flue gas cascade, see page 24 and the tech-
nical guide on flue gas systems.
Number of boilers
a mm
b mm
c mm
d mm
e mm
Multi-boiler system standard delivery
■ Vitodens 200-W (2 to 4 boilers)
■ Additional boiler coding card for multi-boiler system
■ Cascade control unit Vitotronic 300-K
■ Cascade communication module for each boiler
VIESMANN
30
(cont.)
A
100
HV
HR
a
b
2x45 kW
2x60 kW
1060
1660
176
155
388
B C
D Hydraulic cascade
HR Heating return
HV Heating flow
For further details regarding the hydraulic cascade, see page 28.
2x80 kW 3x45 kW
2x105 kW 3x60 kW
1060 1640
1640 2220
176 205
241 155
443 388
■ Immersion temperature sensor for the low loss header
■ Hydraulic cascade with low loss header and thermal insulation
■ Connection accessory with circulation pumps (3-stage) and thermal
insulation
3x80 kW 4x105 kW
3x105 kW
1640 2220
2335 2900
205 234
241 241
443 443
VITODENS 200-W