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a commercial environment. This equipment generates, uses, and can radiate radio fre-
quency energy and, if not installed and used in accordance with the instrucon manual,
may cause harmful interference to radio communicaons. Operaon of this equipment
in a residenal area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
1.7 Guarantee and liability
Guarantee and liability claims for personal injury and property damage are excluded, if
caused by one or more of the following:
• improper use
• failure to observe these operating instructions
• improper installation, commissioning, operation and maintenance of the device
• Operating the device with defective safety devices or improperly installed, or non-
functioning safety and protective devices
• Failure to observe the information in the operating instructions regarding transport,
storage, assembly, commissioning, operation and maintenance of the device
• unauthorised structural modifications to the device
• improperly performed repairs
• catastrophes due to external influences and acts of God