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 the indoor unit if on a separate switch. CAUTION Filter Tab EQUIPMENT DAMAGE/OPERATION HAZARD Failure to follow this caution may result in equipment damage or improper unit operation. Fig.
14 — Filter Tab 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 2 on page 13. Fig. 15 — Remove the Filter CAUTION Only use a soft, dry cloth to wipe the unit clean. If the unit is especially dirty, you can use a cloth soaked in warm water to wipe it clean. Fig.
16 — Remove the air freshing filter Do not use chemicals or chemically treated cloths to clean the unit. Do not use benzene, paint thinner, polishing powder or other solvents to clean the unit. They can cause the plastic surface to crack or deform. Do not use water hotter than 104°F (40°C) to clean the front panel. This can cause the panel to deform or become discolored. Cleaning the Air Filters A clogged air conditioner can reduce the cooling efficiency of your unit, and can also be bad for your health. Make sure to clean the filter once every two weeks. Fig. 17 — Rinse the filter CAUTION 1. Lift the front panel of the indoor unit. 2.
First press the tab on the end of filter to loosen the buckle, lift it up, then pull it towards you. 3. Now pull the filter out. 4. If the filter has a small air freshening filter, unclip it from the larger filter. Clean the air freshening filter with a hand-held vacuum. 5. Clean the large air filter with warm, soapy water. Be sure to use a mild detergent. 6. Rinse the filter with fresh water, then shake off any excess water. 7. Dry the filter in a cool, dry place, and keep it out of direct sunlight. 8. Once dry, re-clip the air freshening filter to the larger filter, then slide it back into the indoor unit. 9. Close the front panel of the indoor unit.
Do not touch air freshening (Plasma) filter for at least 10 minutes after turning off the unit. CAUTION Before changing the filter or cleaning, turn off the unit and disconnect its power supply. When removing the filter, do not touch the metal parts in the unit. The sharp metal edges can cut you. Do not use water to clean the inside of the indoor unit. This can destroy insulation and cause electrical shock. Do not expose filter to direct sunlight when drying. This can shrink the filter. Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. 11