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// CODE SNIPPET

1110.2 More Than 110 Pounds of Refrigerant

Uniform Mechanical Code 2018 of Nevada > 11 Refrigeration > 1110.0 Valves > 1110.2 More Than 110 Pounds of Refrigerant
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Systems containing more than 110 pounds (49.9 kg) of refrigerant shall have stop valves installed at the following locations:
  1. The suction inlet of a compressor, compressor unit, or condensing unit.
  2. The discharge outlet of a compressor, compressor unit, or condensing unit.
  3. The inlet of a liquid receiver, except for self-contained systems or where the receiver is an integral part of the condenser or condensing unit.
  4. The outlet of a liquid receiver.
  5. The inlets and outlets of condensers where more than one condenser is used in parallel in the systems.
Exception: Systems that have a refrigerant pumpout function capable of storing the refrigerant charge, or are equipped with the provisions for pumpout of the refrigerant or self-contained systems. [ASHRAE 15:9.12.5]

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