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BEFORE INSTALLATION
11 BEFORE INSTALLATION
11.1 COMBINATION OF OUTDOOR UNIT AND INDOOR UNIT
The combination capacity of indoor unit against the outdoor unit is selected by the outdoor unit capacity. Refer to the technical
documentation of outdoor unit and select the indoor unit and the outdoor unit to be satisfied the combination unit number and the
combination unit capacity.
11.2 TRANSPORTATION AND HANDLING
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Transport the product as close to the installation location as
possible before unpacking.
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Do not put any material on the indoor unit.
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The indoor unit is packed upside down and therefore the
foamed polyethylene drain pan is exposed at the upper side.
Do NOT put the indoor unit with the drain pan side down
during the process from unpacking the indoor unit to hanging
up the unit to a ceiling. In addition, do NOT handle the indoor
unit by the drain pan portion or the air outlet portions.
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As foamed polyethylene is used for the indoor unit, take care
12 INDOOR UNIT INSTALLATION
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D A N G E R
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Do not perform installation work, refrigerant piping work, drain
pumping, drain piping and electrical wiring connecting work
without referring to the installation manual. If the instructions
are not followed, it may result in a water leakage, an electric
shock, a fire and an injury.
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To avoid a fire or an explosion, do not install the indoor units in
a flammable environment.
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Do not put any foreign material into the indoor unit and check to
ensure that no foreign material exists in the indoor unit before
installation and the test run. Otherwise, a fire or failure, etc may
occur.
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The refrigerant used in each unit is identified on the specification
label and manuals of the unit. Hitachi shall not be held liable
for any failure, trouble, malfunction or accident caused by units
illegally charged with refrigerants other than the specified one.
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PMML0549 rev.1 - 02/2021 - A10761230A
when handling the indoor unit. Applying an excessive force
to the unit may cause a breakage.
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C A U T I O N
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Do not put any material on the product or the air panel.
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Do not step on the product.
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N O T E
When lifting or moving the indoor unit, use appropriate slings to avoid
damage and be careful not to damage the insulation material on units
surface.
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C A U T I O N
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Select a sufficiently strong installation location. If not, the unit may fall
down and it may lead to injuries.
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Do not install the indoor units outdoors. If installed outdoors, an
electric hazard or electric leakage will occur.
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This unit is exclusive non electrical heater type indoor unit. It is
prohibited to install an electrical heater in the field.
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Do not mix refrigerant R410A and refrigerant R32.
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