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1. Safety precautions
►Thoroughly read the following safety precautions prior to installation.
►Observe these precautions carefully to ensure safety.
►After reading this manual, pass the manual on to the end user to retain for future
reference.
►The user should keep this manual for future reference and refer to it as necessary. This
manual should be made available to those who repair or relocate the units. Make sure
that the manual is passed on to any future air conditioning system user.
►All electrical work must be performed by qualified personnel.
1-1. General precautions
Do not install the device in areas where large amounts of oil, steam, organic solvents, or
corrosive gases (such as ammonia, sulfuric compounds, or acids), or areas where acidic/
alkaline solutions or special chemical sprays are used frequently. These substances may
significantly reduce the performance and corrode the internal parts, resulting in electric
shock, malfunction, smoke, or fire.
To reduce the risk of injury, electric shock, or fire, do not alter or modify the device.
To reduce the risk of electric shock, malfunction, smoke, or fire, do not touch the electrical
parts with wet fingers.
To reduce the risk of injury or electric shock, before spraying a chemical around the
device, stop the operation and cover the device.
To reduce the risk of burns, do not touch the electrical parts with bare hands during and
immediately after operation.
To reduce the risk of injury, keep children away while installing, inspecting, or repairing the
device.
Test runs, inspection, and service must be performed by qualified personnel in accordance
with this manual. Incorrect use may result in injury, electric shock, malfunction, or fire.
If you notice any abnormality, stop the operation and turn off the device. Continuing the
operation may result in electric shock, malfunction, or fire.
Properly install all required covers to keep moisture and dust out of the device. Dust
accumulation and the presence of water may result in electric shock, smoke, or fire.
To reduce the risk of frostbite, burns, injury, or electric shock, keep the equipment out of
the reach of children.
To reduce the risk of short circuits, current leakage, electric shock, malfunction, smoke, or
fire, do not wash the device with water or any other liquid.
WT09836X01
: indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
: indicates a hazardous situation which, if not avoided, could result in
minor or moderate injury.
: addresses practices not related to personal injury, such as product
and/or property damage.
2
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