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The metallic model is assembled as shown in the
figure.
Two 6 mm (1/4") internal diameter rubber or plastic
hoses from the water supply must be fitted to the
two nozzles.
NOTE
These hoses must be held on the respective noz-
zles using hose clips to avoid that the tube(s) gets
loose or disconnected during operation.
Cooling may be carried out either through an open
circuit with eventual discharge of the water, or us-
ing a closed circuit cooling system.
The water temperature must be between +10°C
and +30°C, with an inlet pressure between 3 and 5
bar. This allows a flow of about 200 l/h.
NOTE
The water electrical conductance must be
µ
s/cm. When the conductance is higher, in closed
water circuit, the use of up to 20% of Ethyl-Glycole
is suggested.
VENT ACCESSORIES
The vent valve allow to avoid undesired venting of
the pump during temporary power failure and en-
ables an automatic vent operation.
TV 301 Navigator Controller Compatible
Vent Valve mod. 969-9834
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).
≤
500
Then screw the vent valve into the pump and
tighten it using a 16 mm hexagonal spanner with a
torque of 2.5 Nm.
84/90
TECHNICAL INFORMATION
87-900-946-01(G)
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