3611.3 Indoor Unit11.3.1 How to Fix Installation PlateThe mounting wall is strong and solid enough to preventit from vibration.AppropriatePlugs (M8)Bolt -size M8WasherWallWall More than 551 More than 551 Wall6 6Indoorunitbody≥1550 fromgroundInstallationplate 1Bolt - size M8Installationplate 400206171745(Unit in mm)The centre of installation plate should be at more than551 mm at right and left of the wall.The distance from installation plate edge to groundshould more than 1550 mm. Always mount the installation plate horizontally byaligning the marking thread and using a level gauge. Mount the installation plate on the wall with 6 sets ofplug, bolt and washer (all non-supply) with size M8.11.3.2 To Drill a Hole in the Wall and Installa Sleeve of Piping1 Insert the piping sleeve to the hole.2 Fix the bushing to the sleeve.3 Cut the sleeve until it extrudes about 15 mmfrom the wall.CAUTIONWhen the wall is hollow, please be sure to use the sleeve fortube assembly to prevent dangers caused by mice biting theconnecting cable.4 Finish by sealing the sleeve with putty orcaulking compound at the final stage.15 mmPutty or caulking compoundø70 mmthrough holeIndoorSleevefor tubeassemblyApprox. 5 - 7 mmBushing for tubeassemblyWallOutdoor11.3.3 Indoor Unit Installation11.3.3.1 Install the Indoor Unit1 When connecting solar pump station cablebetween indoor unit and solar pump station, thedistance between both apparatuses shall be 2 ~8 meters and the maximum length of 10 meteronly. Failure to do so may lead to abnormaloperation to the system.2 Engage the slots on the indoor unit to the hooksof installation plate . Ensure the hooks areproperly seated on the installation plate bymoving it left and right.3 Fix the screws to the holes on the hooks ofinstallation plate, , as illustrated below.SlotsIndoor unit (back)HooksWallInstallationplate 1InstallationplateScrews4311.3.3.2 Water Piping Installation The minimum requirement of water in the system is50 litres. If this value could not be achieved, pleaseinstall additional buffer tank (field supply). Water inlet and water outlet in indoor unit are usedfor connection to water circuit. Please request alicensed technician to install this water circuit. This water circuit must comply with all relevantEuropean and national regulations, i.e. IEC/EN61770. Be careful not to deform the piping with excessiveforce when doing piping connection job. Use Rp 1¼" nut for both water inlet and outletconnection and clean all pipings with tap waterbefore connecting to the indoor unit. Cover the pipe end to prevent dirt and dust wheninserting it through a wall. Choose proper sealer which can withstand thepressures and temperatures of the system. If an existing tank is to be connected to thisindoor/outdoor unit, ensure the pipes are cleanbefore water pipe installation is carried out.