13START-UPSystem Checks1. Conceal the tubing where possible.2. Make sure that the drainage tube slopes downward along itsentire length.3. Ensure all tubing and connections are properly insulated.4. Fasten tubes to the outside wall.5. Seal the hole through which the cables and tubing pass.6. Connect the air conditioner to the power source and turn iton.7. Check all air conditioner operating modes. Refer to Owner'sManual for operating details.INDOOR UNIT1. Do all the remote controller buttons function properly?2. Do the display panel lights work properly?3. Does the air deflection louver function properly?4. Does the drainage work?OUTDOOR UNIT1. Are there unusual noises or vibrations during operation?2. Is noise, drain water or airflow from the unit likely to disturbthe neighbors?3. Are there any gas leaks?EXPLAIN THE FOLLOWING ITEMS TO THE CUSTOMER,WITH THE AID OF THE OWNER'S MANUAL:1. How to turn the air conditioner on and off; selecting cooling,heating and other operating modes; setting a desired tempera-ture; setting the timer to automatically start and stop airconditioner operation; and the other features of the remotecontroller and display panel.2. How to remove and clean the air filter.3. How to set the air deflection louver.4. Explain care and maintenance.5. Present the Owner's Manual and installation instructions tothe customer.CARE AND MAINTENANCEThe following may be performed by the equipment owner.Outdoor UnitsBefore performing recommended maintenance, be sure unit mainpower switch is turned off. Failure to do so may result in electricshock or injury from rotating fan blade.CLEANING COILS — Coil should be washed out with wa-ter or blown out with compressed air. Clean coil annually or asrequired by location and outdoor air conditions. Inspect coil monthlyand clean as required. Fins are not continuous through coil sec-tions. Dirt and debris may pass through first section, become trappedbetween the row of fins and restrict outdoor unit airflow. Use aflashlight to determine if dirt or debris has collected between coilsections. Clean coil as follows:1. Turn off unit power and install lockout tag.2. Using a garden hose or other suitable equipment, flush coilfrom the outside to remove dirt. Be sure to flush all dirt anddebris from drain holes in base of unit. Fan motors arewaterproof.WARNINGIndoor UnitsTo avoid the possibility of electric shock, before performing anycleaning and maintenance operations, always turn off power tothe system by pressing the ON/OFF button on the remote con-trol and turn off the separate disconnect switch located near theunit.If the indoor unit is on a separate switch, be sure to turn thisdisconnect off as well.Do not wash filter in water over 120°F (to avoid shrinkage). Donot expose filter to fire (to avoid fire damage). Do not exposefilter to direct sunlight. Clean filter more frequently when air isextremely dirty.Do not attempt to clean or service components in controlbox.To Clean the Indoor Unit Front Panel — if the front panel of theunit becomes dirty or smudged, wipe the out-side of the panel witha soft dry cloth. Use a mild liquid deter-gent and wipe off carefullywith a dry cloth.To Clean Indoor Coil — To clean the coil, remove indoor unitfront panel and vacuum the coil fins, using care not to bend or dam-age fins.LUBRICATION — The indoor-fan, automatic air sweep, and theoutdoor-fan motors are factory lubricated and require no oiling.Air Filters for Indoor UnitsOperating your system with dirty air filters may damage the in-door unit and, in addition, can cause reduced perfor-mance, in-termittent system operation, frost build up on the indoor coil,and blown fuses. Inspect and clean or replace the air filtersmonthly.TO REMOVE AIR FILTERS — Open the unit's front panel bylifting the lower part and pulling it gently outward and upward.Pull out the filters.TO CLEAN OR REPLACE FILTERS — Filters can be vac-uumedor washed in warm water. Shake filter to remove any excess water,and replace it back. If the filter has begun to break down or is torn,replace it. Replacement filters are available through a local dealer.SERVICEThe following should be performed by a qualified service techni-cian.Clean Condensate Drains — Clean all drains and drain pans atthe start of each cooling season. Check the flow by pouring waterinto the drain.Clean or Replace Drain Pan — The drain pan should only becleaned or replaced by a qualified service technician.1. Place a plastic sheet on the floor to catch any water that mayspill from the drain pan.2. Remove the intake grille and distribution assembly.3. Remove the condensate water in the drain pan by lettingwater drain into a 3-gallon bucket.CAUTIONCAUTIONCAUTIONCAUTION