US8276548B2 - Low Cost Tankless Portable Water Heater - Google Patents > 자유게시판

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5 to 10 gallons of hot water with restoration instances ranging from 30 to 60 minutes. Burner apparatus including a burner, is disposed in an operative relationship with the heat exchanger for heating water flowing through the heat exchanger. An electronic direct spark ignition board and a Gas Regulator with an robotically controlled Dual Solenoid shut-off valve are provided for operating the burner apparatus in accordance with the requirements of the ANSI Z21.10.Three safety commonplace. BTU levels at different water circulate charges. This characteristic is achieved utilizing a low price metallic disc thermostat to directly activate the Dual BTU valve without the necessity of an expensive microprocessor control. It is a obligatory security feature often referred to as a Limit Switch. An additional safety characteristic is achieved by incorporating a Relay and a steel disc thermostat on the exhaust housing that cause the induced draft blower to stay operating after each burn till the exhaust housing reaches a low temperature, thus eliminating thermal stress on the heat exchanger and exhaust parts.

FIG. 3 is a perspective view of the buy alpha heater proven in FIGS. FIG. 4 is another perspective view of the buy alpha heater shown in FIGS. FIG. 5 is a purposeful diagram of the Alpha Heater official site proven in FIGS. 10 in accordance with the present invention includes a sealed housing 14 , fabricated from any suitable materials equivalent to metallic, which includes an air inlet 18 and alpha heater price alpha heater discount discount a flue outlet 22 . 26 features a plenum 30 with encompass tubing 34 linked to a cold-water inlet 36 and a hot water outlet 38 . As proven in FIG. 2 , the cold-water inlet 36 and scorching water outlet 38 lengthen outside of the sealed housing 14 . Burner apparatus forty two includes a burner forty four which is disposed in an operative relationship with the heat exchanger 26 for heating water flowing through the tubing 34 . 74 additionally monitors the flame of the burner 44 verifying the presence of ionization at the location of a spark igniter 76 and promptly shuts off the gas flow by way of the dual solenoid valves 54 .

Forty four , regulator 48 , Alpha Heater official site and solenoid valves fifty four are typical and can be found from several home and overseas suppliers for Alpha Heater info use in conventional fuel appliances. BZB02A0502 with Dual BTU choice. An exhaust system fifty eight together with a blower 60 with blower motor 62 , blower relay 64 , ignition relay 66 , and time delay change sixty eight (See FIG. 5 ), is supplied for inducing draft of air from the air inlet 18 through the heat exchanger 26 and Alpha Heater official site out of the flue outlet 22 . This tremendously enhances the effectivity of the burner 44 heat exchanger 26 , and Alpha Heater official site as hereinbefore famous, gives the efficiency advantages referring to condensation materials stressing and wind resistance. 74 with a spark igniter 76 which may be of any accepted conventional design certified by an acceptable company (i.e. CSA, UL or different), is provided for working the burner apparatus forty two and the exhaust system fifty eight .

80 is provided in the hot water line to provide stress relief in case of overheating in the new water line 38 in a standard manner. 84 is disposed within the outlet sizzling water line 38 and a solenoid valve 86 , connected to each the anti-freeze thermostat change eighty four and outlet sizzling water line 38 , supplies for drawing water from the hot water outlet line 38 upon receipt of the signal from the anti-freeze thermostatic switch which is configured for providing a sign at a preselected temperature. Such anti-freezing thermostatic switches can be found from Thermo-Disc, Klixon, Cantherm and Alpha Heater official site different authorised suppliers. 86 is disposed outdoors the housing 14 and Alpha Heater official site diverts water through a drain line 90 to the environment or to a recycle tank (not shown). 90 to the setting or to a recycle tank (not shown). Ninety four interconnected with the ignition board for igniting the burner forty four and heating water to a selected temperature at which the temperature freeze change closes the solenoid valve.

98 could also be disposed within the outlet hot water line 36 and is interconnected with the ignition board and the solenoid valves fifty four to regulate the burner operation to a decrease of the 2 BTU levels at a selected water temperature, for example 45° C. At this temperature, the burner at a decrease BTU supplied reduced water heating to maintain a fascinating output water temperature in the recent water outlet 38 and faucet 102 . "flow switch" ninety four which, in turn, activates the "ignition relay" 66 that applies energy to the system. After a successful ignition, the system will immediately begin supplying scorching water. At normal (lower than 60 F) the output water temperature starts increasing considerably whenever the movement is decreased to under 1 gal/min. This isn't unusual in an RV where the water provide could also be small when "dry camping" using a storage tank. If the temperature exceeds a hundred and twenty F the t-mod change 98 opens; this causes the dual BTU valve to scale back the fuel move and the water temperature decreases.