
March 2006IO-291 Thru-the-WallRoom Air Conditionerwith optional Electric HeatInstallation Instructionsand Owner’s ManualThis manual must be left with
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2IMPORTANT NOTE TO THE OWNERThis equipment is to be serviced by professionally trainedpersonnel only. If this equipment is improperly installed,adjus
3WARNINGTo prevent electrical shock, propertydamage, personal injury, or death, do notremove grounding prong from plug. Followall operating instructi
4Figure 33. Remove shipping pads inside air conditioner next tocompressor. (See Figure B.)RemoveshippingpadsFigure B4. Carefully slide the chassis int
5To replace front grille:GrilleTabHook the tabs on the front grille even with the tabs on thecase and snap into place. Replace the screws and filter.R
6Remove the front grille to adjust the vertical louvers side-to-side to direct the air left or right.DISCHARGE AIR GRILLEFigure 5IMPORTANT NOTES:1. Th
7VOLTAGE MEASUREMENTSBefore connecting the unit, measure the supply voltage.Voltage must fall within the voltage utilization range given inTable 1.Ope
8Wait 3 minutes to restart85°WARMEROFFHIGHCOOLFan OnlyLOWCOOLHIGHHEATLOWHEAT55°COOLER70°LOW HEATOn low heat, the fan runs at its lowest speed and prov
9COMPRESSORThe compressor is hermetically sealed, permanently lubri-cated and requires no additional oiling.FRONT PANEL AND GRILLEThe front panel and
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