Varian Turbo-V 550 Manual De Instrucciones página 73

Enter the value by pressing the PUMP CURRENT
•
push-button, and the display shows:
R U N - U P
S E L : X X h
where: RUN-UP TIME = is the interval time from
start to speed threshold value in hours, minutes,
seconds. Select from 00 to 99 hours, and from 00 to
59 minutes or seconds.
Select the run-up time according to the chamber
•
volume and/or operating cycle feature (see the
preceeding cycle diagram) by pressing the CYCLE
NUMBER pushbutton to select the desired number.
T I M E
X X m X X s
Press the PUMP CURRENT pushbutton to enter the
•
data.
The run up time is factory-set to: 00h 08m 00s.
When the last digit is entered, the display shows:
•
D E L A Y
T H R E S H O L D :
where: XXX = YES or NO.
Press the CYCLE NUMBER pushbutton and select
•
YES if relay R2 must operate only after the run-up
time or select NO when the R2 operation is needed
right from start of the turbopump and after the
rotational speed of the turbopump exceeds for the
first time the speed threshold value (see the
preceeding cycle diagram). This function is factory-
set to YES.
D E L A Y
T H R E S H O L D :
67
TECHNICAL INFORMATION
E V E N A F T E R
X X X
E V E N A F T E R
Y E S
87-900-885-01 (B)