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1 Basic Instructions
1.1 Status of the Installation Instructions
Product installation instructions are enclosed by the manufacturer or supplier in order to provide the cus-
tomer or fitter with the essential knowledge necessary for correct and safe installation. These brief installa-
tion instructions are intended to clarify basic mechanical installation steps and to illustrate the principal dif-
ferences between the door operator versions for telescopic 2 panel, central 2 panel and central 4 panel.
Electrical connection, commissioning and adjustment of the door control unit are expressly not components
of these instructions.
1.2 Copyright
We reserve all rights pertaining to these technical documents. It is prohibited to reproduce them, make
them available to third parties or to use them in any other unauthorised manner without our prior agree-
ment. Changes require our express prior and written agreement.
1.3 Instructions in the Installation Manual
All instructions in the installation manual absolutely must be adhered to.
1.4 Informal Measures by the Fitter
The fitter installing the system is him/herself responsible for participating in training. He/she must immedi-
ately inform the manufacturer/supplier of missing or damaged delivered parts.
1.5 Requirements of Installation Personnel
Persons responsible for installation and maintenance should be familiar with the generally applicable safe-
ty and work-hygiene regulations. They should be familiar with Langer & Laumann products. Installation
tools are to be properly functional and measuring instruments must be subject to continuous checks.
