FIELD: mechanical engineering; heat pumps. SUBSTANCE: absorption heat pump accommodates heat exchange device with coil circuits in heat exchange zone of absorber and generator, and antifreeze circuit. Antifreeze circulates between indoor heat exchanger and external heat exchanger and one of heat exchangers located in absorber, condenser or boiler. Heat exchange device provides circulation of weak and strong solutions and transfer of heat from absorber. EFFECT: increased efficiency, improved performance characteristics of heat pump. 44 cl, 7 dwg
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