6.7 Options6.7.1 Option H1Anchoring the machine➤ Use appropriate fixing bolts to anchor the machine.Further information Details of the fixing holes are contained in the dimensional drawing in chapter 13.3.6.7.2 Option W1Connecting the external heat recovery systemAn unsuitable heat exchanger or incorrect installation may influence the cooling oil circuitwithin the compressor. Damage to the machine will follow.➤ Consult KAESER on a suitable heat exchanger and have KAESER Service do the installation.6 Installation6.7 Options44 Service Manual Screw CompressorASK T SIGMA CONTROL BASIC 9_5717 20 E