Use; General; Startup - Varian Turbo-V 250 969-9423 Bedienungshandbuch

USE

General

Make all vacuum manifold and electrical connections and
refer to Turbo-V pump instruction manual before to
operating the Turbo-V controller.
!
To avoid injury to personnel and damage to the
equipment, if the pump is laying on a table make sure it
is steady. Never operate the Turbo-V pump if the pump
inlet is not connected to the system or blanked off.
The input signal P1 connector should be left in position
including the shipping links if no external connections
are made. The forepump and the Turbo-V pump can be
switched on at the same time.
When the Turbo-V 250 pump is baked by a membrane
pump, the Soft Start mode should be deselected.
The following instructions
Turbo-V 250 Controller model 969-9425 only when the
optional "hand hedl terminal" is installed.
WARNING!
NOTE
NOTE
NOTE
are applicable

Startup

•
Plug the controller power cable into a suitable
power source.
•
The display lights, and shows:
R E A D Y
S O F T
The controller with the Soft Start mode allows the
pump to ramp-up to Normal speed slowly with a
minimum ramp-up time of 210 seconds and a
maximum of about 45 minutes.
The Soft Start mode is always operative as default
mode. If it is necessary to deselect this mode refer
to the following paragraph.
If the Soft Start mode is deselected, the ramp-up
will be done within 180 seconds and the display
changes as follows:
P U M P
S T A R T
•
Press the CURRENT pushbutton and the display
shows:
I = 0 .
to
X .
where:
•
I = is the DC current drawn by the pump range (0.00
to 9.99 Ampere)
•
P = is the DC power drawn by the pump (range 0 to
999 Watt)
•
KRPM = is the theoretical rotational speed of the
pump as a function of the controller output
frequency (range 3 to 56 KRPM)
•
°C = is the temperature of the outer ring of the
upper bearing (range 00 to 99 °C)
•
X = during operation a selected set point condition
(1 or 2 contrast inverted) appears when the
programmed threshold speed value is not reached.
60
TECHNICAL INFORMATION
F O R L O C A L
S T A R T
R E A D Y :
B U T T O N
0 0 A P =
. K R P M X X ° C
87-900-852-01 (B)
P U S H
0 W