9Installation PrecautionsTo installation personnelRead the “Installation Instructions” thoroughly and then perform the operation correctly and safely.Also, always read the “Read this First!” of this manual as they contain important information.After the installation, give the “Operating Instructions ” to the customer to save for future use. Ensure that the installation workcomplies with the technicalstandards governing electricalequipment. This unit is for indoor use only.It cannot be used outdoors.Avoid installation in a location where theunit will be exposed to direct sunlight forextended periods or near a cooling orheating appliance.Otherwise, deformation, discoloration,malfunctioning and/or problems in operationmay result. Operate the unit where it will notbe splashed or sprayed by water. Concerning the installationlocationInstall the unit in a stable location which willnot be susceptible to shaking. If the unit isinstalled in a location which is susceptible toshaking, this will cause the unit’s images toshake in turn.Install the unit after conferring in detail withyour dealer.Install the unit on a ceiling that is strongenough (such as a concrete ceiling).If the unit is to be installed on a ceiling whichis not strong enough, reinforce the ceilingsufficiently first. Use the unit with an installationwhere the unit is suspendedfrom an overhead surface or witha stand-alone installation.Do not use the unit on its side or tilted at anangle.[Note] Be absolutely sure to use the four bracketmounting screws (M4) for mounting themount bracket. These are supplied with theunit.Do not use wood screws, nails, etc.In the case of a concrete ceiling, securethe unit using anchor bolts (for M4) or AYplug bolts (for M4).Recommended clamping torque M4 :1.47 N · m {15 kgf · cm} The withdrawal strength of the mountinglocation for each screw must be at least461 N {47 kgf}. When mounting the unit on a ceiling madeof plasterboard, for instance, if it is notstrong enough to support its weight, eitherreinforce the ceiling adequately or use theWV-Q105A direct ceiling mount bracket,which is sold separately. When using a mount bracket which is soldseparately, read the handling instructions.Installation InstructionsPanasonic does not accept any responsibility for accident or damage during installation if procedurein this manual is not followed.
