an ASHRAE Standard may be purchased from the ASHRAE Web site (www. ) or from .. , ANSI/ASHRAE , ANSI/ASHRAE ANSI/ ASHRAE Standard User’s Manual: Safety Standard for Refrigeration Systems (ASHRAE SP) [Donald L. Fenton, William V. Richards] on . From the editor In a previous newsletter, we discussed the application of ANSI/ ASHRAE. Standard 15, “Safety Standard for. Refrigeration Systems,” to large.

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Refrigerating equipment shall be designed for a vacuum of High-Stage or Single-Stage Compressors: January 22, Request from: The main alarm must still be manual-reset only.

ANSI/ ASHRAE Standard 15-2001 User’s Manual : Safety Standard for Refrigeration Systems

Provides the refrigeration technicians with appropriate respiratory protection suitable stwndard use in an atmosphere containing refrigerant in concentrations below the IDLH, in accordance with all applicable national and local regulations.

LISTED EQUIPMENT Equipment listed by an approved, nationally recognized testing laboratory and identified, as part of the listing, as being in conformance with this standard is deemed to meet the design, construction of equipment, and factory test requirement sections of this standard for the refrigerants or refrigerants for standafd the equipment was designed.

The refrigerant shall be designated by the refrigerant number R number as shown in Table 1. For refrigerant blends not listed in Table 1, the amount of each component shall be limited in the same manner and the total of all components in each circuit shall not exceed the quantity that would equal 69, ppm by volume upon release to the volume determined by 7.

Pressure vessels having an inside diameter exceeding 6 in. Commercial occupancies include, among others, office and professional buildings, markets but not large mercantile occupanciesand work or storage areas that do not qualify as industrial occupancies.

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Interpretations To Standard 15-2001

Files attached to e-mail: There shall be clear head room of not less than 7. In addition, changes were made to the requirements for pressure vessel protection and references were updated.

Low-Stage or Booster Compressors: The following instructions apply to change proposals submitted in electronic form. Refrigeration Classification Scheme Normative Solutions Exception for items 1 and 2: The alarm shall annunciate visual and audible alarms inside the refrigerating machinery room and outside each entrance to the refrigerating machinery room.

If the MOS concludes that the current form must be utilized, the proposer may be given up to 20 additional days to resubmit the proposed changes in the current format. Operation conditions are defined in 9. Refrigerant piping shall be properly isolated and supported to prevent damaging vibration, stress, or corrosion. IDLH immediately dangerous to life or health: These precautions shall address a instructions for shutting down the system in case of emergency; b the name, address, and day and night telephone numbers for obtaining service; and c the names, addresses, and telephone numbers of all corporate, local, state, and federal agencies to be contacted as required in the event of a reportable incident.

ASHRAE Standard _图文_百度文库

If one or more spaces of several arranged in parallel can be closed off from the source of the refrigerant leak, their volume s shall not be used in the calculation. However, the MOS may accept proposed changes in an earlier published format, if the MOS concludes that the differences are immaterial to the proposed changes.

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The shaded stansard has been added since the previously published errata sheet dated January 31, was distributed. Full citations for references that are solely informative are included ztandard Appendix D.

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Stanard into Refrigerating Machinery Rooms Reentering an area during an emergency requires sophisticated equipment and training; many national and local regulations govern such activities.

July 1, a. A clear and unobstructed approach and space shall be provided for inspection, service, and emergency shutdown of condensing units, compressor units, condensers, stop valves, and other serviceable components of refrigerating machinery. The required evacuation level is atmospheric pressure for systems using R water or R carbon dioxide as the refrigerant. For all other users, this reference qshrae informative.

See Section 5 for classification of refrigerating systems by type. Dual pressure-relief valves shall be installed with a three-way valve to allow testing or repair.

When required by 15-22001. A dated declaration of test shall be provided for all systems containing 55 lb 25 kg or more of refrigerant.

Precedence with Conflicting Requirements When dual relief valves are used, each valve must meet the requirements of 9. Detector salarm sand mechanical ventilating systems shall be tested in accordance with manufacturers’ specifications and the requirements of the jurisdiction having authority.

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