Viessmann VITODENS 200-W Technical Manual page 40

Design information
Installation in block formation with a flue gas cascade
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.
Note
Secure the flue gas cascade with suitable means.
Suspension from the ceiling is recommended. Observe the max. dis-
tance between fixing points F.
Boiler
a mm
b mm
c mm
Multi boiler system standard delivery
■ Vitodens 200-W (4 to 8 boilers)
■ Cascade control unit Vitotronic 300-K
■ Cascade communication module for each boiler
■ Immersion temperature sensor
■ Hydraulic cascade with thermal insulation
■ Self-supporting mounting frame
■ Connection accessories with HE circulation pump and thermal insu-
lation
VIESMANN
40
(cont.)
F F
1500
A D
C B
680
HV
HR
E
760
580
(2x2) 45 kW
(2x2) 60 kW
176
680
1350
C
680
D Self-supporting mounting frame
E Hydraulic cascade
F Ceiling mounting for flue gas cascade
HR Heating return
HV Heating flow
For details regarding the flue gas cascade, see page 26 and the tech-
nical guide on flue systems. A flue gas non-return device is integrated
into each boiler.
For further details regarding the hydraulic cascade, see page 32.
(2x2) 80 kW (2x3) 80 kW
(2x2) 100 kW (2x3) 100 kW
176 207
843 843
1422 1422
Accessories (subject to order)
■ Low loss header with connection lines and thermal insulation
or
■ Heating circuit connecting kit with thermal insulation
(2x4) 45 kW (2x4) 80 kW
(2x4) 60 kW (2x4) 100 kW
176 237
680 843
1350 1422
VITODENS 200-W