12Indoor unit• Do not splash water directly.Wipe the unit gently with a soft dry cloth.Outdoor unit• Do not obstruct the air inlet and outlet vents. Failureto do so may result in low performance or systembreakdown. Remove any obstruction to assure theventilation.• When it snows, clean and remove snow around theoutdoor unit to prevent the air inlet and outlet vents frombeing covered with snow.Non serviceable criteriaDisconnect the power supplythen please consult an authorised dealer under thefollowing conditions:• Abnormal noise during operation.• Water/foreign particles have entered the control panel.• Water leaks from the indoor unit.• Circuit breaker switches off frequently.• Power cord becomes unnaturally warm.For extended non-use• The water inside the Sanitary Water Tank should bedrained.• Disconnect the power supply.MAINTENANCEUser• In order to ensure optimal performance of the units, user may inspect and clear any obstruction on the air inlet and outletvents of the outdoor unit.Dealer• In order to ensure safety and optimal performance of the units, seasonal inspections on the units, functional check ofRCCB/ELCB, field wiring and piping have to be carried out at regular intervals by authorised dealer.• Specific to the Sanitary Water Tank, it is important to service the Water Filter Set periodically and inspect the AnodeBar annually. The Anode Bar which protects the tank body will corrode, depending on water quality. When diameter isapproximate 8mm, the Anode must be replaced.• Users should not try to service or replace parts of the unit.• Contact authorised dealer for scheduled inspection.Cleaning instructionsTo ensure optimal performance of the system, cleaning has to be carried out at regular intervals.Consult an authorised dealer.• Disconnect the power supply before cleaning.• Do not use benzine, thinner or scouring powder.• Use only soap ( pH7) or neutral household detergent.• Do not use water hotter than 40 °C.Water pressure gauge• Do not press or hit the glass coverusing hard and sharp objects.Failure to do so may causedamage to the unit.• Ensure that the water pressureis between 0.05 and 0.3 MPa(0.1 MPa = 1 bar).• In case the water pressure is outof the above range, consult anauthorised dealer.Sanitary Water TankAnode BarWater Filter SetF569865-SS1114-0.indb 12F569865-SS1114-0.indb 12 08/01/2015 12:44:45 PM08/01/2015 12:44:45 PMProcess BlackProcess Black