Method and apparatus for integrating operation of a heat pump an

Heat exchange – Movable heating or cooling surface – Rotary drum

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623241, 237 2B, F25B 2900

Patent

active

044769202

ABSTRACT:
A method and apparatus for integrating operation of a heat pump and a separate heating source are disclosed. The combination of a heating lockout relay and an interlock relay are utilized to provide for fail safe integrated operation including providing for selected control functions and for isolating other functions to prevent a failed electrical component from operating the system in an undesirable manner.

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Carrier Publication, "Installation and Instructions 38CQ, RQ, HQ Optimizer II Accessory Control.

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