148Service & MaintenanceService & MaintenanceDisconnect from main supply before servicing the air conditioner.The unit is designed to give long life operation with minimum maintenance required. However, it should beregularly checked and the following items should be given due attention.Components Maintenance Procedure Recommended ScheduleAir filter(Indoor Unit)1. Remove the ionizer filter before cleaning the filter.2. Remove the dust adhering on the filter by usinga vacuum cleaner or wash using water less than40°C with a neutral cleaning detergent.3. Rinse and dry it before fitting back the ionizer filterand set it back to unit.4. Note : Never use petrol thinner, benzene or anyother chemicals.At least once a month.Indoor unit1. Clean away dirt or dust on grille or panel by wipingwith soft cloth soaked in lukewarm (or cool) wateror neutral detergent solution.2. Note : Never user petrol, thinner, benzene orother volatile chemicals, which may causeplastic surface to deform.At least once a month.Condense DrainPan & Pipe1. Check the cleanliness and clean it if necessary.2. Check the condensate water flow. Every 3 months.Indoor Fan Check if there is any abnormal noise. If necessary.Indoor/OutdoorCoil1. Check and remove the dirt between the fins.2. Check and remove any obstacles which hinder airflow through the indoor or outdoor.Every month.Power Supply1. Check the running current and voltage for indoorand outdoor unit.2. Check the electrical wiring and tighten the wire ontothe terminal block if necessary.Every 2 months.Every year.CompressorNo maintenance needed if refrigerant circuit remainssealed. However, check for refrigerant leak at joint andfitting.Every 6 months.Compressor Oil Oil is factory charged. Not necessary to add oil if circuitremains sealed. No maintenance required.Fan Motor Oil All motors are pre-lubricated and sealed at factory. No maintenance required.