About this document
Breakdown of in-
structions
Pumping unit series
and modular manu-
als
Description
6
When contacting our Service Department, please have the
n
serial number and product type at hand -> see the rating
plate on the product.
1.2 Manual structure
The manual has a modular structure with separate individual in-
struction modules for the pumping unit, controller, and any ac-
cessories.
Instruction modules
1 Safety information for vacuum equipment
2 Description: Vacuum controller — control and operation
3 Description: Pumping unit – connection, operation, maintenance, me-
chanics
4 Optional description: Accessories
20901367_EN-US_PC3001 VARIO select Serie_V1.3_100720