31
4.6 Cooling circuit (only for /RV)
Pos
Description
Rp
Pressure reducer
Vi
Shut-off valve
M
Pressure gauge
Vr
Adjusting valve
Fm
Flowmeter
Cooling water flow rate
at 20 °C
Size
m3/h
85
0,15
125
0,30
145
0,45
Pressure max 6 bar
Fig. 8
Warning : To avoid the danger of winter freezing use anti-freeze (any type used for car radiators)
4.7 Electric connection
Electric connections must be set up by authorized specialists in compliance with regulations applying to the
place of installation and in accordance with the requirements of the local body supplying electrical energy.
Note: Robuschi refuses all responsibility for electric connection not complying with the law in
force.
Check on the motor plate : Voltage, Absorbed current, Frequency, number of phases.
Check the wiring diagram in the terminal board of the motor, if the diagram has not been supplied request it
from the motor manufacturer.
Use suitable electric cables depending on the nominal current of the electric motor.
Keep the electric cables away from heat sources and/or pointed edges
Protect the motor by means of automatic switch set at the rated current shown on the motor plate
Install an emergency push button between supply line and the motor of the blower
Warning : The operator must easily reach the emergency push-button
For the safety of personnel a suitable grounding device must protect the system
Warning : Blower service must be carried out after disconnecting the electrical supply.
Fm
Vr
Vi
Rp
M
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