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The system classification, allowable refrigerants, the maximum quantity, enclosure requirements, location limitations, and field pressure test requirements shall be determine as follows:
1. The refrigeration system's classification shall be determined in accordance with Section 18-28-1103.3.
2. The refrigerant classification shall be determined by Table 18-28-1103.1, Refrigerant and Amounts.
3. The system enclosure requirements shall be determined by Section, 18-28-1104, Systems Application Requirements, based on type of refrigerant, system classification, and occupancy.
4. The system enclosure shall be determined in accordance with Section 18-28-1104, Systems Application Requirements.
5. Refrigeration equipment and appliance location and installation shall be subject to the limitations of Article 3, General Regulations.
6. Non-factory-tested, field-erected equipment and appliances shall be pressure tested in accordance with Section 18-28-1108, Field Test.