User manualPOLARIS Panel PC 19.1'' and Panel PC 15''Version 2.00 Page 24 of 46E_BMS790_POLARIS_PanelPC_19+15_Rev1.doc • User manual for POLARIS Panel PC 19.1" and 15" • Revision 1 / Status: January, 3 rd , 2006 • Technical data subject to change5.4 Mechanical installationIn order to achieve an even clamping pressure, it is recommended that the reinforcement frame (not included in the scopeof the delivery) be inserted between the mounting clamps (included in scope of the delivery) and the enclosure.■ Tighten the fixing screws in the mounting brackets slightly.■ Check the position of the display and the seal.■ Tighten the set screws so as to ensure an adequate seal on the POLARISPanel PC is assured.5.4.1 Recommended enclosure■ Stainless steel enclosure with wall thickness > 2 mm. In this case thereinforcement frame between the retaining clips and enclosure material should alwaysbe used.■ Reinforcement frame for maintenance of Protection Class IP 65for POLARIS Panel PC 19.1" (05-0205-0010)for POLARIS Panel PC 15" (05-0205-0009)5.4.2 Special installation instructionsIn order to guarantee the IP degree of enclosure protection = IP 54 for installation in 2G enclosures of Ex e typeof protection (e.g. control equipment), and = IP 6X for installation in 2D enclosures in areas where combustibledusts exist - with “protection through the enclosure” type of protection - the reinforcement frame should be usedfor fastening on the front side.5.4.3 Cover Ex i terminal boxWhen using a housing with a degree of protection of at least IP 20, the cover for the Ex i box can be dispensedwith.