F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 11/02 (2006.01)
Patent
CA 2042310
ABSTRACT OF THE DISCLOSURE A protective system for use with central air condition- ing systems for large buildings, particularly multi-storied buildings having circulating cold water as the heat transfer medium, wherein failure of the condensate drain for an evapor- ate drain trough can lead to the accumulation of undue quanti- ties of liquid condensate, with consequent flooding and water damage, uses a water accumulation detector to detect the ac- cumulation of water in each individual evaporator drain trough. Operation of the detector circuit energizes a warning alarm circuit and also a disabling switch in a heat transfer circulation control circuit, so that further condensation onto the evaporator is precluded, and consequent flooding is pre- vented. The circulation control circuit generally requires manual resetting, and is usually connected in the circuit of the local air circulation fan associated with the affected evaporator.
Malcolm Johnston & Associates
Mazzullo Luigi
LandOfFree
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