Vent Accessories
The vent valve and vent device allow to avoid undesired venting of
the pump during temporary power failure and enables an automatic
vent op-eration.
TV 301 Navigator Controller Compatible Vent Valve
mod. 9699834
Figure 42
This vent valve waits before opening a minimum time of about 5 sec.
This time can be increased up to about 220 min. by means of a setting
of the Navigator software (optional).
To install the vent valve, unscrew the threaded plug (see figure
below).
Figure 43
TV 301 Navigator User Manual / 87-900-946-01 (N)
Technical Information
Vent Accessories
263/284
17