F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 11/00 (2006.01) F24F 13/08 (2006.01)
Patent
CA 2520975
A control system and method for space ventilation and air conditioning economizer operation are disclosed. An economizer hood ventilator and its control center, integrating the operation of other space heating ventilation and air conditioning apparatus, are further disclosed. This low cost economizer hood ventilator and its control center are invented mainly for both existing and future residential houses to meet controlled fresh air ventilation requirements. The manual operated principal ventilation switch can override any other automatic ventilation controls. When ambient air is available for free cooling, the system works as air conditioning economizer.
Na
Xue Weihai
LandOfFree
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