Viessmann VITOCROSSAL 200 CM2 Service Instructions For Contractors page 19

Checking the rotary damper setting
5. Check the position of the rotary damper during the
start-up phase. Rotary damper windows
be almost closed for approx. 5 s. During this time,
scale ring must be at the following settings:
D
Rated heating Rated heat in-
output put
P Q
max max
(50/30 °C) cv]
in kW
400
500
620
Control cables – delivered condition
Note
The control cables must be routed without kinks and
plugged in correctly. The hose ends of the control
cables must be secured with wire clamps to prevent
them from being pulled off/falling off.
Burner 400 kW
C B A
D
Fig. 13
Control cable between LDW2 Plus and combustion
A
chamber
Control cable between LDW1 Minus and Venturi
B
B must
Rotary damper
setting
(H ) [net
i
in kW
381
474
593
Commissioning, inspection, maintenance
(cont.)
in °
30
20
20
Control cable between LDW1 Plus and Venturi
C
Control cable between gas train and Venturi
D
19