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© Danfoss | Climate Solutions | 2023.06
AQ452034894212en-000201 | 5
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Safety
These assembly instructions describe the standard version of the HG4 manufactured by Bock. The
compressor is intended for use in refrigeration systems in compliance with the limits of application.
Only the refrigerant specified in these instructions may be used.
Any other use of the compressor is prohibited!
The Bock refrigerating compressor named in the title is intended for installing in a machine (within
the EU according to the EU Directives 2006/42/EC Machinery Directive and 2014/68/EU Pressure
Equipment Directive).
Commissioning is only permissible if the compressor has been installed in accordance with these
assembly instructions and the entire system into which it is integrated has been inspected and
approved in accordance with legal regulations.
1.4 Intended use
WARNING! The compressor may not be used in potentially
explosive environments!