Heat pump apparatus and operation control method of heat pump apparatus

Heat pump apparatus and operation control method of heat pump apparatus

The present invention aims to prevent a refrigerant at a low temperature from being sent to a load-side heat exchanger during a defrost operation. At a time of a heat radiating operation, a switching mechanism 2 is controlled such that the refrigerant from a compressor 1 flows to a load-side heat ex...

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1. Verfasser: MITO, TAKAFUMI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
WEAPONS
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creator MITO, TAKAFUMI
description The present invention aims to prevent a refrigerant at a low temperature from being sent to a load-side heat exchanger during a defrost operation. At a time of a heat radiating operation, a switching mechanism 2 is controlled such that the refrigerant from a compressor 1 flows to a load-side heat exchanger 3, thereby causing the heat exchanger 3 to operate as a heat radiator and causing at least one of heat-source-side heat exchangers 5a and 5b to operate as an evaporator. At a time of the defrost operation of removing frost at the heat exchanger 5a, the switching mechanism 2 is controlled such that the refrigerant from the compressor 1 flows to the heat exchangers 3 and 5a, thereby causing the heat exchangers 3 and 5a to operate as heat radiators and causing the heat exchanger 5b to operate as an evaporator.
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At a time of a heat radiating operation, a switching mechanism 2 is controlled such that the refrigerant from a compressor 1 flows to a load-side heat exchanger 3, thereby causing the heat exchanger 3 to operate as a heat radiator and causing at least one of heat-source-side heat exchangers 5a and 5b to operate as an evaporator. 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language eng ; fre ; ger
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subjects BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
WEAPONS
title Heat pump apparatus and operation control method of heat pump apparatus
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