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CHAPTER 5 G System Design Recommendations
10. Automatic Ventilation Switching
Effect of Automatic Ventilation Mode
The automatic damper mode automatically provides the correct ventilation for the conditions in the room. It eliminates the need
for troublesome switch operations when setting the Lossnay ventilator to "By-pass" ventilation. The following shows the effect
"By-pass" ventilation will have under various conditions.
(1) Reduces cooling load
If the air outside is cooler than the air inside the building during the cooling season (such as early morning or at night),
"By-pass" ventilation will draw in the cooler outside air and reduce the cooling load on the system.
(2) Cooling using outdoor air
During cooler seasons (such as between spring and summer or between summer and fall), if the people in a room cause
the temperature of the room to rise, "By-pass" ventilation draw in the cool outside air and use it as is to cool the room.
(3) Night purge
"By-pass" ventilation can be used to release hot air from inside the building that has accumulated in buildings a business
district during the hot summer season.
(4) Office equipment room cooling
During cold season, outdoor air can be drawn in and used as is to cool rooms where the temperature has risen due to the
use of office equipment.
(Only when interlocked with City Multi and Mr. Slim indoor unit)
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