ED34-862 Features
General Information 31
1
Element (HEP element) Material
Material
The partition sheet in the heat exchanger element has been significantly upgraded. It is
approximately two-third thinner than the conventional type, resulting in a great
improvement in moisture absorption!
The material is flame-retardant for safety.
The fungi proof design also keeps the air clean.
Structure
The heat exchanger element is designed without moving parts for higher durability and
reliability.
The supply air passage and the exhaust air passage are arranged in right angle to
prevent the supply and exhaust air from getting mixed.
Features
High air shielding
Even in the conventional less humidity conditions, maintaining the features of the material that can get excellent
moisture permeability, we have achieved high air shielding, by special processing in the step of milling paper.
New ultra-thin film element
(HC0013)
Molecule of water
Miscellaneous gas
CO2 molecule, etc.
Sheet structure
Outdoor
Exhaust air
SA
Indoor
RA
(unclean
indoor air)
Outdoor air
(fresh air)
Conventional element New ultra-thin film element
Moisture absorption is less effective due
to the thickness of the partition sheets. It
also limits the effective area that supply
and exhaust air can be exposed to.
RA
(unclean
indoor air)
Outdoor air
(fresh air)
Exhaust air
SA
OutdoorIndoor
Thickness of
the partition sheet
60 µm
Thickness of
the partition sheet
40 µm
Newly
developed!
Due to the thinner film…
• Decreases the moisture resistance of the partition
sheets drastically.
• Realizes more space for extra layers in the element,
resulting in increased effective area that supply and
exhaust air can be exposed to.
Moisture absorption increased by approx. 10%!
Moisture exchange efficiency is greatly improved by using optimized
thinner films and moisture-absorption materials in the element.
Furthermore, miscellaneous gas barrier properties are maintained by
decreasing the porosity in the moisture-absorption materials.
High-humidity air
Low-humidity air
Precise, thin-film
material
Exhaust air
Supply air
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