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Technical Points (Performance); Reference Drawing For Installation - Toshiba VN-250SE Service Manual

Heat exchange ventilators
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• Energy-saving ventilation to save the cooling/heating cost because the heat energy (outside
air load) to be lost by ventilation is effectively recovered.
• Compact construction to downside the cooling/heating equipment with size corresponding
to heat energy amount to be recovered because the outside air load can be vastly de-
creased.
• By using the heat exchanger, humidity control effect which sucks the humidity approached
to near the humidity in the room.
• Comfortable ventilation by simultaneous air suction/discharge which sucked air approached
to the temperature in the room and the stable ventilation to be performed even in the high
airtight room.
• Noise-proof effect to prevent entering of outside noise or flowing of noise to outside.
• Suction/discharge air system on straight line which is easy to be designed or installed.
• The high-level long filter is mounted to increase the effect of dust collection for removing.
( Weight: 82%)
• Reverse installation up and down is possible, which 2 units use the same check port.
• Especially powerful notch is mounted, which can increase air volume and is selectable in the
main unit.
• Only one check port is used for all the maintenance works.

3. REFERENCE DRAWING FOR INSTALLATION

Pipe Hood
OA
(Outside Air)

2. TECHNICAL POINTS (PERFORMANCE)

Outside Intake Duct
Room Intake Duct
EA
(Exhaust Air)
Room Intake Opening
(Supply/Exhaust Air Grill)
Heat Insulation
Material
Exhaust Air Duct
Pipe Hood
Supply Air Duct
Ceiling Suspension Bolt
Inside Supply Opening
(Supply/Exhaust Air Grill)
– 7 –
(Supply Air)
RA
(Outside Air)
SA

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