8Cleaning instructionsIndoor unitWipe the unit gently with a soft,dry cloth.Front panelWash gently and dry.Remove the front panelRaisePull out12Close it securelyInsert at both sides12 Close down3 Press both ends of the front panelAir fi ltersEvery 2 weeks• Wash/rinse the filters gentlywith water to avoid damage tothe filter surface.• Dry the filters thoroughly under shade, awayfrom fire or direct sunlight.• Replace any damaged filters.Remove air fi lter Attach air fi lterInsert into the unitAir purifying fi lterVacuum the air purifying filter.• It is recommended to clean the filter every 6months.• Replace the filter every 3 years or replace anydamaged filter.• Part no.: CZ-SA20PFor seasonal inspection after extendednon-use• Checking of remote control batteries.• No obstruction at air inlet and air outlet vents.• Use Auto OFF/ON button to select COOL/HEAT operation. After 15 minutes of operation,it is normal to have the following temperaturedifference between air inlet and air outletvents:COOL: ≥ 14.4°F/8°C HEAT: ≥ 25.2°F/14°CFor extended non-use• Activate HEAT mode for 2~3 hours to removemoisture left in the internal parts thoroughly toprevent mould growth.• Turn off the power supply.• Remove the remote control batteries.Indoor unitAluminium finAir filtersFront panelAir purifying filterTo ensure optimal performance of the unit,cleaning has to be carried out at regularintervals. A dirty unit may cause malfunctionand you may see error code “H99”. Pleaseconsult authorized dealer.• Switch off the power at the circuit breaker beforecleaning.• Do not touch the aluminium fin, sharp parts maycause injury.• Do not use benzene, thinner or scouring powder.• Use only soap ( pH 7) or neutral householddetergent.• Do not use water hotter than 104°F / 40°C.