
2.3 Safety precautions
Duty to provide information on potential dangers
The product holder or user is obliged to make all operating personnel aware of dangers
posed by this product.
Every person who is involved in the installation, operation or maintenance of the product
must read, understand and adhere to the safety-related parts of this document.
Infringement of conformity due to modifications to the product
The Declaration of Conformity from the manufacturer is no longer valid if the operator
changes the original product or installs additional equipment.
●Following the installation into a system, the operator is required to check and re-evalu-
ate the conformity of the overall system in the context of the relevant European Direc-
tives, before commissioning that system.
General safety precautions when handling the product
►Observe all applicable safety and accident prevention regulations.
►Check that all safety measures are observed at regular intervals.
►Recommendation: Establish a secure connection to the earthed conductor (PE); protection class I.
►Never disconnect plug connections during operation.
►Keep lines and cables away from hot surfaces (> 70 °C).
►Do not carry out your own conversions or modifications on the unit.
►Observe the unit protection category prior to installation or operation in other environments.
2.4 Limits of use of the product
Parameter Air cooling
Permissible ambient temperature of the turbopump max. +35 °C1)
Protection degree IP20
Relative humidity of air ≤ 85 % not condensing
Tbl. 5: Permissible ambient and operating conditions
2.5 Proper use
►Use the air cooling exclusively for cooling Pfeiffer Vacuum turbopumps within the limits of use de-
scribed.
►Adhere to the installation, commissioning, operating, and maintenance instructions.
►Do not use any accessory parts other than those recommended by Pfeiffer Vacuum.
2.6 Foreseeable misuse
Improper use of the product invalidates all warranty and liability claims. Any use that is counter to the
purpose of the product, whether intentional or unintentional, is regarded as improper use, in particular:
●Connection to vacuum pumps or equipment which are not suitable for this purpose according to
their operating instructions
●Connection to equipment with exposed live parts
2.7 Personnel qualification
The work described in this document may only be carried out by persons who have appropriate profes-
sional qualifications and the necessary experience or who have completed the necessary training as
provided by Pfeiffer Vacuum.
1) Water cooling is required for higher ambient temperatures
Safety
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