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INSTALLATION INSTRUCTIONS
Heat-insulate the outdoor duct
(including the indoor side, if
necessary) to prevent condensation.
If heat insulation is not adequate,
condensate may enter the property
causing damage.
When the ceiling is subject to high
temperature and high humidity,
install a ventilator on the ceiling.
Otherwise, it may cause fire and electric
leakage.
INSTALLATION AND OPERATING REQUIREMENTS
It must operate with filter.
■
If filter is not used, heat exchange core will
be clogged with dirt and dust. The
performance of the product will be
affected, and the product may no longer
operate.
Do not use the「Normal ventilation」
■
during winter.
Condensation will be produced inside the
supply air outlet if operation mode
「Normal ventilation」is used in a heated
room during winter.
Do not place pets and plants
■
directly exposed to supply air outlet
or exhaust air outlet.
Otherwise, it may cause discomfort to
pets and dry out plants.
■Please avoid the following duct installation.
(1) Excessive bending
It may cause the unexpected operation.
CAUTION
(2) Multiple bends.
Do not install the product in an
environment where the indoor
temperature is significantly lower
than the outdoor temperature.
Otherwise, it may cause condensation,
electric shock and malfunction.
Turn on/off the switch correctly.
■
If repeatedly turning on or off the
switch, it will affect the product
operations and damage the relay
in the product.
To avoid accidents, the product
■
shall be installed at least 2.3 m
above the ground level.
ERV
(3) Reduction in diameter of connecting
duct
Ceiling board
The ground
5
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