UL 60335-2-40
UL 60335-2-40 is the particular safety requirements for electrical heat pumps, air-conditioners, and dehumidifiers, supplementing UL 60335-1.
Key Test Areas:
1. Flammable refrigerant safety (leak simulation)
2. High-pressure circuit integrity
3. Motor-compressor electrical and thermal protection
4. Outdoor unit weather resistance
5. Air circulation and temperature performance safety
Project Details
This standard covers heat pumps, air conditioners (window, split, portable), dehumidifiers, and equipment using flammable refrigerants (R-32, R-290).
View more
