3
About this manual
1
About this manual
1.1 Validity
This operating manual is for customers of Pfeiffer Vacuum. It describes the func-
tioning of the designated product and provides the most important information for
safe use of the unit. The description follows applicable EU guidelines. All informa-
tion provided in this operating manual refer to the current state of the product's de-
velopment. The documentation remains valid as long as the customer does not
make any changes to the product.
Up-to-date operating instructions can also be downloaded from www.pfeiffer-vac-
uum.net.
1.2 Conventions
Safety instructions
The safety instructions in Pfeiffer Vacuum operating manuals are the result of risk
evaluations and hazard analyses and are oriented on international certification
standards as specified by UL, CSA, ANSI Z-535, SEMI S1, ISO 3864 and DIN 4844.
In this document, the following hazard levels and information are considered:
Pictograph defini-
tions
Instructions in the
text
Work instruction: here you have to do something.
Abbreviations used
DCU:
Display and operating unit
HPU:
Handheld programming unit
TC:
Electronic drive unit for turbopump
TPS:
Mains pack
DI / DO:
Digital input / digital output
AI / AO:
Analog input / analog output
f:
Rotation speed (derivated from frequency in Hz)
[P:000]:
Parameter of the electronic drive unit with number
CAUTION
Possible danger
Injuries or property damages can occur.
NOTE
Command or note
Command to perform an action or information about properties, the disregarding of
which may result in damage to the product.
Warning of a displayed source of danger in connection
with operation of the unit or equipment.
Command to perform an action or task associated with a
source of danger, the disregarding of which may result in
serious accidents.
