5-2-1. Fixing the Installing plate.28 | SAMSUNGINSTALLATION5 Installation Diagram of Indoor Unit and Outdoor Unit (Cont.)1. Determine the position of the pipe and drain hosehole refering to the right figure and drill the hole with an inner diameter of 65mmso that it slants slightly downwards.2. If you are fixing the indoor unit to a… Then follow Steps…Wall 3.Window frame 4 to 6.3. Fix the installation plate to the wall in a mannerappropriate to the weight of the indoor unit.If you are mounting the plate on a concrete wall with anchor bolts,anchor bolts must not be projected by more than 20mm.4. Determine the position of the wooden uprights to be attached to the windowframe.5. Attach the wooden upright to the window frame in a manner appropriate to theweight of the indoor unit.6. Using tapped screws, attach the installation plate to the wooden upright,as illustrated in the last figure opposite.6019275252100 15830mmInstallation platePipe hole(Ø65mm)(Unit : mm)7K/9K604527525290 16512K5-2-2. Purging the UnitOn delivery, the indoor unit is loaded with an inert gas. All this gas must therefore be purged before connecting the assemblypiping. To purge the inert gas, proceed as follows.Unscrew the cap at the end of each pipe. To prevent dirt or foreign objects from getting into the pipes during installation,do NOT remove caps completely until you are ready to connect the piping.Result All inert gas escapes from the indoor unit.