Viessmann VITODENS 200-W Technical Manual page 42

Design information
Number of boilers
e
f
g
Multi boiler system standard delivery
■ Vitodens 200-W (2 to 8 boilers)
■ Cascade control unit Vitotronic 300-K
■ Cascade communication module for each boiler
■ Immersion temperature sensor
■ Self-supporting mounting frame
■ Hydraulic cascade with thermal insulation
■ Connection accessories with HE circulation pump and thermal insu-
lation
Installation in block formation with flue gas cascade
4
Shown without the thermal insulation supplied
A Flue gas cascade
B Vitodens
C Vitotronic 300-K (can be fitted 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.
VIESMANN
42
(cont.)
mm
mm
mm
F
1500
A D
C B
680
HV
HR
760
580
2x125 kW 3x125 kW
2x150 kW 3x150 kW
344
520
700
Accessories (subject to order)
■ Low loss header with connection lines and thermal insulation
or
■ Heating circuit connecting kit with thermal insulation
F
C
680
E
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 34.
4x125 kW
4x150 kW
344 344
520 520
700 700
VITODENS 200-W
6x125 kW
6x150 kW
344
520
700