Read Before UsingSafety Considerations EDUS121131
312 Operation Manual
• Do not expose the controller to direct sunlight. The LCD display can become discolored and may fail to display the
data.
• Do not wipe the controller operation panel with benzene, thinner, chemical dust cloth, etc. The panel may get
discolored or the coating can peel off. If it is heavily dirty, soak a cloth in water-diluted neutral detergent, squeeze it
well and wipe the panel clean. Then wipe it with another dry cloth.
• Dismantling of the unit, disposal of the refrigerant, oil, and additional parts, should be done in accordance with the
relevant local, state, and national regulations.
• Operate the air conditioner or heat pump in a sufficiently ventilated area and not surrounded by obstacles. Do not use
the air conditioner or heat pump in the following places.
a. Places with a mist of mineral oil, such as cutting oil.
b. Locations such as coastal areas where there is a lot of salt in the air.
c. Locations such as hot springs where there is a lot of sulfur in the air.
d. Locations such as factories where the power voltage varies a lot.
e. In cars, boats, and other vehicles.
f. Locations such as kitchens where oil may splatter or where there is steam in the air.
g. Locations where equipment produces electromagnetic waves.
h. Places with an acid or alkaline mist.
i. Places where fallen leaves can accumulate or where weeds can grow.
• Take snow protection measures. Contact your dealer for the details of snow protection measures, such as the use of
a snow protection hood.
• Do not attempt to do electrical work or grounding work unless you are licensed to do so. Consult with your dealer for
electrical work and grounding work.
• Pay Attention to Operating Sound. Be sure to use the following places:
a. Places that can sufficiently withstand the weight of the air conditioner or heat pump yet can suppress the
operating sound and vibration.
b. Places where warm air from the air outlet of the outside unit or the operating sound of the outside unit does not
annoy neighbors.
• Make sure that there are no obstacles close to the outside unit. Obstacles close to the outside unit may drop the
performance of the outside unit or increase the operating sound of the outside unit.
• Consult your dealer if the air conditioner or heat pump in operation generates unusual noise.
• Make sure that the drainpipe is installed properly to drain water. If no water is discharged from the drainpipe while the
air conditioner or heat pump is in the cooling mode, the drainpipe may be clogged with dust or dirt and water leakage
from the indoor unit may occur. Stop operating the air conditioner or heat pump and contact your dealer.
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