// CODE SNIPPET

# 1104.1 System Selection

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Refrigeration systems shall be limited in application in accordance with Table 1104.1, and the requirements of Section 1104.0.

**TABLE 1104.1 PERMISSIBLE REFRIGERATION SYSTEMS**

^{1}OCCUPANCY GROUP^{3} | HIGH-PROBABILITY SYSTEM | LOW PROBABILITY SYSTEM | MACHINERY ROOM |
---|---|---|---|

A-1 | Group A1 only | Any | Any |

A-2 | Group A1 only | Any | Any |

A-3 | Group A1 only | Any | Any |

A-4 | Group A1 only | Any | Any |

B | Group A1^{2} only | Any | Any |

E | Group A1 only | Any | Any |

F-1 | Group A1^{2} only | Any | Any |

F-2 | Any^{2} | Any | Any |

H-1 | Any | Any | Any |

H-2 | Any | Any | Any |

H-3 | Any | Any | Any |

H-4 | Group A1 only | Any | Any |

H-5 | Group A1 only | Any | Any |

I-1 | None | Any | Any |

I-2 | Group A1 only | Any | Any |

I-3 | None | Any | Any |

I-4 | Group A1 only | Any | Any |

M | Group A1^{2} only | Any | Any |

R-1 | Group A1 only | Any | Any |

R-2 | Group A1 only | Any | Any |

R-3 | Group A1 only | Any | Any |

R-4 | Group A1 only | Any | Any |

S-1 | Group A1^{2} only | Any | Any |

S-2 | Any^{2} | Any | Any |

U | Any | Any | Any |

**Notes:**

^{1 }See Section 1104.0.

^{2 }A refrigerant shall be permitted to be used within a high-probability system where the room or space is in accordance with Section 1104.4.

### Related Code Sections

1104.1 Refrigeration, System Selection

Refrigeration

*systems*shall be limited in application in accordance with Table 1104.1, and the requirements of Section 1104.0. TABLE 1104.1 ...