durher Ordesa M Manual De Instrucciones página 34

excess of this value, these will not be
covered by the machine guarantee.
Before carrying out any electric connec-
tion to the supply box, the installer
should check that the general supply
switch of the board is in the OFF position.
Check the non-existence of voltage in the
terminals to be connected to the wires.
The maintenance works of the electric installa-
tions should only be carried out by qualified
personnel and the national regulations on
Health and Safety at Work will always have to
be complied with.
MACHINE ELECTRIC CONNECTION:
The three phase machines leave the factory
connected at 400 v., to change the motor volt-
age to 203 v. The following instructions should
be changed:
Make sure that the machine is disconnected
from the mains. Disconnect the supply plug
from the current supply box.
SUBMERGED PUMP
YELLOW AND GREEN (EARTH)
SWITCH
YELLOW AND GREEN (EARTH)
2 BLACK WIRES TO TERMINALS "U", "W"
1 BROWN WIRE TO TERMINAL "V"
1 BLUE WIRE (NEUTRAL) TO TERMINAL "X"
In the three-phase machines, once the machine is connected, the direction of the disc
rotation will be verified. This should coincide with the rotation direction indicated
by an arrow on the top cover. In the event that the direction of the turning does not
coincide, two phases in the connections of the aerial base should be changed.
When the supply point in three-phase machines is changed, the turning direction
BLUE
BROWN
U V
Z X
Graphic 2.11. Electric motor terminal voltage change
ATTENTION
will have to be verified.
Remove the top of the motor connection ter-
minals.
Change the terminal connection plates as
shown in the following graphic:
Make sure that the connection terminals are
correctly tightened.
Replace the motor connection terminals top.
Close it by screwing the bolts.
Connect the machine to the appropriate elec-
tric supply and check the correct turning of the
cutting blades.
In the current supply box the machine has the
appropriate connections to the motor includ-
ed. In the event of an incident, please put the
machine out of service and contact the dis-
tributor or manufacturer for correct repair. Any
maintenance handling of the machine with no
written authorisation exempts the manufactur-
er from any responsibility.
SWITCH
W
Y
400 v.
MOTOR TERMINALS
37
SWITCH
U V W
Z X Y
230 v.