Operation; Start Up - KNF SC 920 G Mode D'emploi

Vacuum Pump System SC 920G
Translation of original Operating Instructions, English, KNF 334631-334633 07/21
7.

Operation

7.1. Start up

Before switching on the vacuum pump system, observe the
following points:
Operational requirements
All hoses attached properly

Fan openings not blocked

Specifications of the power supply correspond with the data

on the vacuum pump system's type plate.
Recirculating cooler or cold water connection ready on high-

performance condenser.
The high-performance condenser's gas outlet is not blocked

(high-performance condenser is not pressure-proof).
Vacuum pump system is at room temperature.

No reactive, explosive or otherwise hazardous mixtures may

be produced when ventilating the vacuum system through the
air inlet (Fig. 2/6, page 11) (if necessary, use an inert gas)
When the gas ballast valve is open, no reactive, explosive, or

otherwise hazardous mixtures can form (otherwise, contact
KNF Service).
Tab. 3
 Only operate the vacuum pump system under the operating
parameters and conditions described in chapter 4, Technical
data (page 8).
 Make sure the vacuum pump system is used properly (see
chapter 2.1, page 5).
 Make sure the vacuum pump system is not used improperly
(see chapter 2.2, page 5).
 Observe the safety precautions (see chapter 3, page 6).
Personal injury caused by poisoning or explosion
and damage to the vacuum pump system.
 Make sure that no reactive or explosive mixtures
will be produced when ventilating the vacuum
WARNING
pump system through the air inlet.
Operation
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