S.C. Code Regs. § § 8-1303
Current through Register Vol. 48, 12, December 27, 2024
High-probability systems used for human comfort shall use Group A1 or A2L refrigerant. In other than industrial occupancies where the quantity in a single independent circuit does not exceed the amount in Table 1103.1, Group B1, B2 and B3 refrigerants shall not be used in high-probability systems for air conditioning for human comfort.
S.C. Code Regs. § 8-1303