Connection
2 Connection
Warning
Connections for forevacuum pump, cooling,
venting valve and flange heater must be
done by a qualified electrician in accordan-
ce with the applicable safety regulations.
Warning
There are hazardous voltages present insi-
de the TURBOTRONIK.
Open the TURBOTRONIK only after it has
been isolated from the mains power supply.
2.1 Setting the Mains
Voltage (optional)
The mains voltage setting of the TURBOTRONIK NT 20
can be changed; see „Technical Data“.
Caution
The TURBOTRONIK will be damaged if the
voltage selector switch is set incorrectly
when conected to the mains.
To change this setting, remove the dummy plug (3/13)
with a screwdriver and reinsert it according to the stam-
ped-on voltage setting. The selected voltage indication
must be in the immediate proximity of the arrow.
If you do change the voltage setting, please also change
the line power fuse accordingly; see the table.
Fuses (
*)
slow-blow)
LINE VALVE HEATING FAN
————————————————————————
100/120 V T
*)
6.3 A T 0.2 A T 3.15 A T 1.0 A
220/240 V T 4.0 A T 0.2 A T 3.15 A T 1.0 A
In case of need, other fuses may be installed for
“VALVE”, “HEATING” and “FAN”. However, the sum of
the fuses’ capacity for the three connections must not
exceed:
4.5 A for 100/120 V
6.0 A for 220/240 V.
Plug the power linecord into the socket (3/12).
2.2 Connecting the
TURBOVAC
Insert and fasten the connection line to the motor of the
TURBOVAC at (3/3) and to the TURBOVAC itself.
2.3 Connecting the
Forevacuum Pump
Connect the forepump to the relay contact output (3/2).
When pressing the START key the contact is closed
without any delay and the forepump is switched on.
The forevacuum pump is shut down when the STOP key
has been pressed and when a failure has occurred. Swit-
ching examples are given in fig. 4.
A starting delay for the TURBOVAC can be set at (3/6);
see Section 3.1
2.4 Connecting the Cooling
The mains power supply to the socket (3/8) is switched
on as soon as the TURBOVAC acceleration sequence
begins; max. load 100 VA. The relevant fuse (3/10) is
below the socket.
The power supply is switched off when the STOP key is
pressed or when the POWER switch is turned to off or
when the power cord is disconnected from the mains
power supply.
A solenoid valve for the water cooling or a fan can be
connected to the socket (3/8).
20
GA 05.208/12 - 05/2003
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