SMMS High-Wall Type
Owner’s Manual
– 5 –
Operation
• Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the circuit
breaker to the OFF position. Failure to set the circuit breaker to the OFF position may result in electric
shocks through contact with the interior parts. Only a qualified installer(*1) or qualified service
person(*1) is allowed to remove the intake grille of the indoor unit or service panel of the outdoor unit
and do the work required.
• Inside the air conditioner are high-voltage areas and rotating parts. Due to the danger of electric shocks
or of your fingers or physical objects becoming trapped in the rotating parts, do not remove the intake
grille of the indoor unit or service panel of the outdoor unit. When work involving the removal of these
parts is required, contact a qualified installer or a qualified service person.
• Do not move or repair any unit by yourself. Since there is high voltage inside the unit, you may get
electric shock when removing the cover and main unit.
• Use of a stand more than 50 cm high to clean the filter of the indoor unit or to carry out other such jobs
constitutes working at heights. Due to the danger of falling off the stand and injuring yourself while
working at heights, this kind of work should not be done by unqualified individuals. When this kind of
work must be carried out, do not do it yourself but ask a qualified installer or a qualified service person
to do it for you.
• Do not touch the aluminum fin of the outdoor unit. You may injure yourself if you do so. If the fin must
be touched, do not touch it yourself but contact a qualified installer or a qualified service person.
• Do not climb onto or place objects on top of the outdoor unit. You may fall or the objects may fall off of
the outdoor unit and result in injury.
• Do not place any combustion appliance in a place where it is directly exposed to the wind of air
conditioner, otherwise it may cause imperfect combustion.
• When the air conditioner is operated with a combustion appliance in the same place, be careful of
ventilation to let fresh air enter the room. Poor ventilation causes oxygen shortage.
• When the air conditioner is used in a closed room, be careful of sufficient ventilation of the room. Poor
ventilation causes oxygen shortage.
• Do not expose your body to cool air directly for a long time and do not cool yourself excessively.
Doing so may result in deteriorated physical condition and ill health.
• Do not insert your finger or a stick into the air intake or discharge.
Doing so may result injury as the fan is rotating at high speed inside the unit.
• Consult the shop where you purchased the air conditioner if air conditioning (cooling and heating) is not
performed properly as a refrigerant leakage may be the cause. Confirm the repair details with a qualified
service person(*1) when the repair includes additional charging of the refrigerant.
• Stop running the air conditioner and turn off the breaker before cleaning.
Otherwise, injury may result as the fan is rotating at high speed inside the unit.
5-EN
High-Wall Type
