Title:
MODULAR TANKLESS WATER HEATER CONTROL CIRCUITRY AND METHOD OF OPERATION
Document Type and Number:
WIPO Patent Application WO2006099503
Kind Code:
A3
Abstract:
Control circuitry is disclosed for use with a tankless water heater system including a plurality of water conduits connected in series. The control circuitry includes a plurality of water heater elements, one each associated with each of the plurality of water conduits. A controller includes a central processing unit (CPU) with an operating program and each of the plurality of water heater elements are coupled to the CPU. The CPU is programmed to individually activate one of the water heater elements to a predetermined power level in response to a demand for heated water. The number of water heater elements activated and the power level of the activation is determined by the demand for heated water.
Inventors:
STURM WILLIAM (US)
SULLIVAN JOSEPH (US)
SHORTLAND THOMAS J (US)
HAY KEVIN (US)
JOHNSON GREGORY (US)
SULLIVAN JOSEPH (US)
SHORTLAND THOMAS J (US)
HAY KEVIN (US)
JOHNSON GREGORY (US)
Application Number:
PCT/US2006/009361
Publication Date:
December 21, 2006
Filing Date:
March 14, 2006
Export Citation:
Assignee:
ION TANKLESS INC (US)
STURM WILLIAM (US)
SULLIVAN JOSEPH (US)
SHORTLAND THOMAS J (US)
HAY KEVIN (US)
JOHNSON GREGORY (US)
STURM WILLIAM (US)
SULLIVAN JOSEPH (US)
SHORTLAND THOMAS J (US)
HAY KEVIN (US)
JOHNSON GREGORY (US)
International Classes:
F24H9/20
Foreign References:
| US6389226B1 | 2002-05-14 |
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