2.1. New design
2.1.1. Gentle curved styling
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The base has gentle curves which express a functional
beauty. It spreads the air quietly over a wide area.
2.2. Such quietness!
2.2.1. Several new mechanism add up to
low 49 dB noise (W50BT - High
Fan Speed)
1. Delta throat fan
A delta throat (projection) has been attached to the fan
outlet to suppress the generation of vortexes. This helps
maintain air flow speed even at lower fan speeds and is
effective in reducing noise.
2. Reflux orifice
The orifice at the intake port is equipped with an air flow
guide which minimizes the flow disturbances which occur at
the orifice and inside the impeller.
This reduces pressure losses inside the casing and also
helps reduce noise.
3. Adoption of wing-shaped vanes
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The vanes of the fan have been changed to
“aerodynamic” shaped vanes, so that the air flow more
smoothly over the vane surfaces and noise is thus
suppressed.
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Side filters have been adopted in the pipe partitions.
These allow the air intake space to be increased and
also further reduce noise.
2.2.2. Automatic swinging louvre
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The horizontal air flow angle is a wide 100 degrees
(manual). The louvre can swing automatically (through 70
degrees vertically) using the remote control. This increases
the area of comfortable air flow and warms the air even to
floor level.
2.2.3. Newly-shaped louvre
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The newly-shaped louvre and air outlet effectively distribute
the air flow. During cooling, this stops warm air from
collecting near the louvre, and prevents freezing.
2 FEATURES
4
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