# A refrigerant charge fault detection method for variable refrigerant flow (VRF) air-conditioning systems

> Research article (Applied Thermal Engineering, 2016) · cited 57× · AI/ML

**Wikidata**: [openalex:W2315004750](https://www.wikidata.org/wiki/openalex:W2315004750)  
**Source**: https://4ort.xyz/entity/a-refrigerant-charge-fault-detection-method-for-variable-refrigerant-flow-vrf-air-conditioning-systems