1.7.1 Do not disassemble or attempt to repair the fan other than thetroubleshooting procedures listed in this manual.1.7.2 Disconnect power to the unit before installing, removing, cleaning orotherwise maintaining the unit.1.8 INSTALLATION SAFETY PRECAUTIONS1.8.1 Mount the fan indoors. Prevent exposure to the elements and do notallow water to enter the fan.1.8.2 The Vari-Fan is to be connected to DC circuits only2.0 STANDARDS AND REQUIREMENTS2.1 All DC cable types must meet all local and national codes2.2 Shut off all DC circuit breakers or fuses before installing any unit into the field3.0 INSTALLATION QUALIFICATIONS3.1 Installation work and electrical wiring of permanently-connected power unitsmust be performed only by qualified service personnel in accordance with allapplicable codes and standards, including fire-rated construction.Rev. 0107131.0 SAFETY6 Copyright 2013 all rights reserved by Nextek Power Systems, Inc. in the United States and in other countries throughout the world.Models: 4/5-Blade Vari-FanVari-Fan Ceiling Fan Installation Manual