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WARNING
Risks related to PAA unit installation
• PAA unit must be installed by a dealer, contractor, or technician with certifications
required by laws and codes.
– Improper installation by the installer may result in injury or damage to the unit such as
water leakage, electric shock, or fire.
• Install the indoor unit in a place that can withstand its weight.
– Inadequate strength may cause the unit to fall, resulting in injuries.
• Prepare for typhoons, hurricanes, earthquakes, etc., and install the unit at the specified
place.
– Improper installation may cause the unit to topple and result in injury.
• Prohibit anyone without the proper qualifications from doing repairs. If the PAA unit must
be repaired, consult a dealer, contractor or technician with certifications required by laws
and codes.
– If the PAA unit is repaired improperly, water leakage, electric shock, or fire may result.
• Install the PAA unit according to this installation manual.
– If the unit is installed improperly, water leakage, electric shock, or fire may result.
• Ensure the outdoor unit cover panel is installed correctly. Please refer to the outdoor
unit's manual for proper installation.
– If the terminal cover panel is not installed correctly, dust or water may enter the
outdoor unit, which could result in fire or electric shock to the user.
• Ensure that the stop valves of the outdoor unit are opened immediately after connecting
the PAA unit to the outdoor unit.
– The PAA unit or refrigerant pipes may burst because of the high-pressure refrigerant
during the furnace's heating operation.
• Due to improper installation of PAA unit (drain pan of this product) or forgetting to install
the float switch, the condensed water of the PAA heat exchanger will deviate from the
specified path and may cause water to leak on to the heat exchanger of the gas furnace.
This may cause gas, oil, and water leakage from the furnace due to corrosion over time.
Furthermore, this can lead to poisoning, fire, explosion, water leakage, and bodily harm
and damage to property.
• When PAA unit (this product) is supported from the ceiling in a garage or an occupied
area, the product may fall due to insufficient strength of the suspension or support,
or deterioration over time, etc., causing bodily harm and damage to property. In some
cases, it can lead to death.
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
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