ABC3. Installation of the drain pan heater.• When drilling a hole, be careful not to damage the soundproofing material and other components on theback side.CAUTION2. Remove the fan motor base.1) Remove the fixing screw at the lower section of the fan motor base, and remove the fan motor basetogether with the propeller fan. See Fig.1.• For KEH041A48 , the motor base cannot be removed. Remove the 2 screws from the electricalwiring box, lift the motor base, and install the heater. See Fig.2• Do not remove the fan motor harness.• Be careful so that the fan motor harness does not come into contact with the edges of the heatexchanger or other components.• Place the removed fan motor base so that stress is not applied on the propeller fan.• Make the ground plate closely adhere to the partition.• Install the drain pan heater in a position where it does not come into contact with the fan motor base.1) To fix the drain pan heater, drill ø1/8” (ø3.2mm) holes in the bottom frame and the partition plate.(Refer to Installation Procedure (3) for the parts for drilling and the number of holes.)• Place the actual components to ensure positioning is correct before drilling holes.• The hole can be made with the included piercing-screw as well.2) Install the drain pan heater.• Insert the plate under the heat exchanger.• For KEH041A42 and KEH041A48 , place K fixing plate.3) Fix the drain pan heater with B piercing screw.KEH041A42 KEH041A48 KBScrew *3Fig. 1Appearance of the outdoor unitmay differ from some models.KEH041A42KEH041A42 KEH041A47KEH041A48KEH041A47 KEH041A48The lugs of thefan motor baseare hooked onthe heatexchanger.View AThe fan motorharness is fitted inthe groove of thepartition plate.Remove the 2 screws from the electrical wiring box, lift themotor base, and install the heater.Condition of fan motor harnessinstallationGroove2 screws *1View BView CInstallation Procedure (2)*1 Truss headtapping screw.*2 Hexagontapping screw.*1 Truss headtapping screw.KEH041A42 KEH041A47 KEH041A48Number and type of screws to be removed*3 Screw typeSPLITMULTI SPLIT2 *1 1 *2 1 *12 *1– –Fig. 2KEH041A48