HTB-100-HM170 Medical Box PCPage 153.2 Installation PrecautionsDuring installation, be aware of the precautions below: Manufacturer authorization: Do not modify this equipment withoutauthorization of manufacturer. Read the user manual: The user manual provides a complete description ofthe HTB-100-HM170, installation instructions and configuration options. DANGER! Disconnect Power: Power to the HTB-100-HM170 must bedisconnected during the installation process. Failing to disconnect the powermay cause severe injury to the body and/or damage to the system. Qualified Personnel: The HTB-100-HM170 must be installed and operatedonly by trained and qualified personnel. Maintenance, upgrades, or repairsmay only be carried out by qualified personnel who are familiar with theassociated dangers. Air Circulation: Make sure there is sufficient air circulation when installing theHTB-100-HM170. The HTB-100-HM170’s cooling vents must not beobstructed by any objects. Blocking the vents can cause overheating of theHTB-100-HM170. Leave at least 5 cm of clearance around theHTB-100-HM170 to prevent overheating. Grounding: The HTB-100-HM170 should be properly grounded. The voltagefeeds must not be overloaded. Adjust the cabling and provide externalovercharge protection per the electrical values indicated on the label attachedto the back of the HTB-100-HM170.3.3 Opening Top CoverWARNING:Over-tightening top cover screws will cause damage to the bottom surface.Maximum torque for cover screws is 5 kg-cm (0.36 lb-ft/0.49 N-m).Before the internal components can be installed, the top cover must be opened. To openthe top cover, please follow the steps below: