Monitor Relay Programming - Varian Turbo-V 70 PCB series Instructions For Use Manual

The Soft Start mode may be deselected/selected only
when the pump is stopped.
If necessary press CYCLE NUMBER to select YES or
NO, then enter the selection by pressing the PUMP
CURRENT pushbutton.
The display shows:
F R O N T / R E M O T E
S E L E C T I O N : X X X X X X
where: XXXXXX = means the word FRONT or
REMOTE depending on the last selection.
The controller is factory-set for FRONT panel
operation.
After choosing the desired selection by pressing the
CYCLE pushbutton, confirm the selection by
pressing the PUMP CURRENT pushbutton.

Monitor Relay Programming

•
The display shows:
S P E E D T H R E S H O L D
S E L E C T I O N : X X K R P M
where: XXKRPM = is the switch point of relay R1 at
the preset turbopump speed, adjustable from 00 to
99 KRPM.
The speed threshold will condition the R1 and R2
operation (see the following cycle diagram) and it is
factory-set to 67 KRPM.
Select the first number by pressing the CYCLE
NUMBER push-button, then enter the value by
pressing the PUMP CURRENT push-button. Do the
same for the second number.
NOTE
After pressing the PUMP CURRENT the second
time, the display will be as shown in the following
figure.
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 by pressing
the CYCLE NUMBER push-button to select the
desired number, then press the PUMP CURRENT
push-button to enter the data.
The run up time is factory-set to:
00h 08m 00s.
When the last digit is entered, the display will be as
shown in the following figure.
D E L A Y
T H R E S H O L D :
where:
XXX = YES or NO.
57
TECHNICAL INFORMATION
T I M E
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E V E N A F T E R
X X X
87-900-871-01 (B)