F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
F24H 6/00 (2006.01)
Patent
CA 2357507
A hot water heat exchanger system for a forced air furnace includes a radiator having a water inlet and a water outlet. A first water conduit is mounted in fluid communication between the water inlet and a hot water outfeed line of a hot water tank. A water pump is mounted on the first water conduit for urging hot water from the tank into the radiator. A second water conduit is mounted in fluid communication between the water outlet and a cold water infeed line into the tank. The radiator is mounted into a plenum of the furnace so that air forced from the furnace into outflow ducting of the furnace by operation of a furnace fan in the furnace flows through the radiator, wherein the fan is actuated by a temperature sensor in the furnace. The pump is thermostatically controlled by a first thermostatic sensor. A furnace heater of the furnace is thermostatically controlled by a second thermostatic sensor. The first thermostatic sensor is for actuating the pump in a first temperature range between a desired temperature and a lower threshold temperature. The second thermostatic sensor is for actuating the furnace heater in a second temperature range, wherein the second temperature range is a range of temperatures below the first temperature range.
927967 Alberta Ltd.
Edwards Antony C.
LandOfFree
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