93. Installation instructionsOpening the packageAfter opening the package, please check the contents of the box. Itshould contain the following:1. One Inverter2. One Instruction manual3. One mounting frame4. 4 mounting screws5. 2 safety-lock screws6. One cable gland and TB cover for AC cableBefore installationBefore starting installation please consider the following items:TThhiiss uunniitt iiss ddeessiiggnneedd ffoorr iinnddoooorr uussaaggee.. DDoo nnoott eexxppoossee tthhee uunniitt ttoowweett,, oorr mmooiisstt ccoonnddiittiioonnss..DDoo nnoott eexxppoossee tthhee PPVV--IInnvveerrtteerr ttoo ddiirreecctt ssuunnlliigghhtt.. DDiirreecctt ssuunnlliigghhttiinnccrreeaasseess tthhee iinntteerrnnaall tteemmppeerraattuurree tthhaatt mmaayy rreedduuccee ccoonnvveerrssiioonneeffffiicciieennccyy..9 Check the ambient temperature of installation is within specifiedrange -20 ~ +55°C.9 The AC grid voltage is between 206 and 264VAC, 50/60Hz.9 Electric utility company has approved the grid connection.9 Qualified personnel are performing the installation.9 Adequate convection space surrounds the inverter.9 Inverter is being installed away from explosive vapors.9 No flammable items are near the inverter.