Heating systems – Automatic control – Water
Reexamination Certificate
2007-01-26
2010-02-09
McAllister, Steven B (Department: 3749)
Heating systems
Automatic control
Water
C237S00200B, C237S00800C, C122S448300
Reexamination Certificate
active
07658335
ABSTRACT:
A hydronic heating system for a building includes condensing and non-condensing boilers in a hybrid arrangement. A control apparatus receives information from one or more condition sensors, such as air temperature or water flow, and calculates heating load requirements. The control apparatus then independently selects and operates the various boilers of the system to optimize boiler efficiency and operating characteristics.
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Heat-Timer Corp., Installation and Operation Instructions for Mini-Mod and Mini-Extension, Sequencing Modulating Control for Hydronic Heating Systems, pp. 1-7.
Heat-Timer Corp., Model MOD-4, Installation & Operation Manual, pp. 1- 47.
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McAllister Steven B
O'Reilly, III Patrick F.
Thermodynamic Process Control, LLC
Woodard Emhardt Moriarty McNett & Henry LLP
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