对于KFR型空调器，若制冷正常，而不制热，其故障主要发生在四通电磁阀或其控制电路。
For KFR type air-conditioner, if refrigeration normal, not heating, its fault mainly in four electromagnetic valve or its control circuit.
本实用新型涉及一种电磁阀结构，适合于空调制冷系统。
The utility model relates to an electromagnetic valve structure which is suitable for an air conditioner refrigerating system.
跨临界二氧化碳制冷系统节流控制机构，主要包括节流阀、汽液分离器、电磁阀、混合器、热力膨胀阀等。
The throttle control mechanism of cross-critical CO2 refrigerating system includes mainly throttle valve, vapor-liquid separator, solenoid valve, mixer thermal expanding valve, etc.
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