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The unit will only emit an audible beep when the signals are received correctly. Heating Features If the unit is in the heating mode, there will be a delay when the fan starts. The fan will start only after the coil is warmed up to prevent cold blow. Defrost Operation In heating mode, if the outdoor coil is frosted, the indoor fan and outdoor fan will turn off while system removes the frost on the outdoor coil. The system will automatically revert to normal operation when frost is removed from the outdoor unit. Auto Start If the power fails while the unit is operating, the unit stores the operating condition, and it will start operation automatically under those conditions when the power is restored. CLEANING, MAINTENANCE AND TROUBLESHOOTING CAUTION! ELECTRICAL SHOCK HAZARD Failure to follow this caution may result in personal injury or death. Always turn off power to the system before performing any cleaning or maintenance to the system. Turn off the outdoor disconnect switch located near outdoor unit. Be sure to disconnect indoor unit if on a separate switch CAUTION! EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage. When cleaning the front panel, do not use water hotter than 105_F (40.56_C) and do not pour water onto the fan coil. Do not use abrasive or petroleum based cleaners as they may damage the front panel. CAUTION! EQUIPMENT DAMAGE/OPERATION HAZARD Failure to follow this caution may result in equipment damage or improper unit operation. Operating the system with dirty air filters may damage the indoor unit and could cause reduced cooling performance, intermittent system operation, frost build- -- up on indoor coil or blown fuses. Periodic Maintenance Periodic maintenance is recommended to ensure proper operation of the unit. Recommended maintenance intervals may vary depending on the installation environment, e.g., dusty zones, etc. Refer to Table 1. CAUTION! CUT HAZARD Failure to follow this caution may result in personal injury. The coil fins are very sharp. Use caution when cleaning. Always wear safety protection. Cleaning the Coil Clean the coil at the beginning of each cooling season, or when necessary. Use a vacuum cleaner or a long- --bristle brush to avoid damage to the coil fins. Air Filters Remove and clean the air filters once a month. NOTE: If air filters show signs of excessive wear or are torn, they must be replaced. Contact your local dealer for replacement filters. 1. Open front panel on unit. 2. Pull filters down to remove. 3. Vacuum filters. 4. Clean with warm water. 5. Shake filter to remove excess water and dry thoroughly. 6. Replace filter by sliding into rack until filter snaps in place. 7. Close front panel on unit. Indoor Unit Front Panel To clean the front panel on the indoor unit, wipe the outside with a soft, dry cloth. If necessary, a mild liquid detergent can be applied and wiped off with a dry cloth. Preparing for Extended Shutdown Period Clean the filters and reposition them in the unit. Operate the unit in Fan only mode for 12 hours to dry all internal parts. Turn main power supply off and remove batteries from the remote control. System Operation Recommendations The items outlined in the following list will help to assure proper system operation: S Replace both remote control batteries at the same time. S Point the remote control toward the unit display panel when transmitting a command. S Keep doors and windows closed while unit is operating. S Contact an authorized service representative if a problem arises that cannot be easily resolved. S Do not perform cleaning or maintenance activities while unit is on. S Keep display panel on unit away from direct sunlight and heat as this may interfere with remote control transmissions. S Do not block air intakes and outlets on the indoor or outdoor units. Energy Saving Recommendations The following recommendations will add greater efficiency to the ductfree system: S Select a comfortable thermostat setting and leave it at chosen setting. Avoid continually raising and lowering the setting. S Keep unit filter clean. Frequent cleaning may be necessary depending on indoor air quality. S Use drapes, curtains or shades to keep direct sunlight from heating room on very hot days. S Do not obstruct air intake on front panel. S Turn on air conditioning before indoor air becomes too uncomfortable. Troubleshooting Refer to Table 2 before contacting your local dealer. 9 Table 1—Periodic Maintenance INDOOR UNIT EVERY MONTH EVERY 6 MONTHS EVERY YEAR SClean Air Filter* S Change Remote Control Batteries S OUTDOOR UNIT EVERY MONTH EVERY 6 MONTHS EVERY YEAR * Increase frequency in dusty zones. { Maintenance to be carried out by qualified service personnel. Refer to the Installation Manual Table 2—Troubleshooting PROBLEMPOSSIBLECAUSEUnit/SystemDoesNotWork•Thecircuitbreakerhastrippedorafusehasblown. •Powerfailure. •Diagnosticlightsilluminate.* •Voltageistoolow. CoolingisNotWorkingProperlyHeatingisNotWorkingP...

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