GUIDELINES | 115
Application Guidelines
Due to our policy of continuous product innovation, some specifications may change without notification.
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APPLICATION GUIDELINES
Selecting the Best Location / General Mounting
Selecting the Best Location
Do’s
• Place the unit where air circulation will not be blocked.
• Place the unit where drainage can be obtained easily.
• Place the unit where noise prevention is taken into consideration.
• Ensure there is sufficient space from the ceiling and floor.
• Ensure there is sufficient maintenance space.
• Locate the indoor unit in a location where it can be easily connected
to the outdoor unit / heat recovery unit.
Don’ts
• Avoid installing the unit near high-frequency generators.
• Do not install the unit near a doorway.
• The unit must not be installed near a heat or steam source, or where
considerable amounts of oil, iron powder, or flour are used. (These
materials may generate condensate, cause a reduction in heat
exchanger efficiency, or the drain to malfunction. If this is a poten-
tial problem, install a ventilation fan large enough to vent out these
materials.)
Installing in an Area Exposed to Unconditioned Air
In some installation applications, areas (floors, walls) in some rooms may be exposed to unconditioned air (room may be above or next to an
unheated garage or storeroom). To countermeasure:
• Verify that carpet is or will be installed (carpet may increase the temperature by three [3] degrees).
• Add insulation between the floor joists.
• Install radiant heat or another type of heating system to the floor.
Figure 35: Minimum Clearance Requirements for SF
Frame Gallery Indoor Units.
More than
8 inches
More than
4 inches
More than
78 inches
More than
4 inches
Figure 36: Minimum Clearance Requirements for SJ,
SK, SV Frame Wall-Mounted Indoor Units.
Install a ventilation fan
with sufficient capacity
Heat or steam source
Include enough
distance
Indoor Unit
The unit must not be installed where sulfuric acid and flammable or
corrosive gases are generated, vented into, or stored. There is risk of
fire, explosion, and physical injury or death.
The unit may be damaged, may malfunction, and / or will
not operate as designed if installed in any of the conditions
listed.
Figure 37: Installing Near a Heat or Steam Source.
More than 8 inches
More than
20 inches
Recommended height
More than 5 feet from
the floor
More than
20 inches
• Indoor units (IDUs) must not be placed in an environment where
the IDUs may be exposed to harmful volatile organic compounds
(VOCs) or in environments where there is improper air make up or
supply or inadequate ventilation. If there are concerns about VOCs
in the environment where the IDUs are installed, proper air make
up or supply and/or adequate ventilation must be provided.
Additionally, in buildings where IDUs will be exposed to VOCs,
consider a third party factory-applied epoxy coating to the fan coils
for each IDU where the entire coil is dipped, not sprayed.
• If the unit is installed near a body of water, the installation parts are
at risk of corroding. Appropriate anti-corrosion methods must be
taken for the unit and all installation parts.
