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REFRIGERATION

[F] DEGREES OF HAZARD a — — — — 1-4-0 2-4-0 — — — — 3-3-0 c 0-0-0 2-0-0 b 1-4-2 — — — 1-4-1

OEL e 1,000 1,000 1,000 650 1,000 1,000 600 600 400 100 25 — 5,000 200 800 500 800 500
AMOUNT OF REFRIGERANT PER OCCUPIED SPACE

g/m 3 14 9.5 31 320 2.4 9.6 2.9 2.9 — — 0.22 — 72 — 85 75 75 1.7

ppm 7,300 5,300 11,000 72,000 1,000 4,000 1,000 1,000 — — 320 — 40,000 — 16,000 16,000 16,000 1,000

Pounds per 1,000 cubic feet 0.87 0.59 1.9 20 0.15 0.59 0.18 0.18 — — 0.014 — 4.5 — 5.3 4.7 4.7 0.1

TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL REFRIGERANT CLASSIFICATION A3 A3 A2 A1 A3 A3 A3 A3 — B2 B2 f A1 A1 A3 A1 A2 f A2 f A3 b.Reduction to 1-0-0 is allowed if analysis satisfactory to the code official shows that the maximum concentration for a rupture or full loss of refrigerant charge would not exceed the IDLH, considering both the e.Occupational Exposure Limit based on the OSHA PEL, ACGIH TLV-TWA, the TERA WEEL or cons

CHEMICAL NAME OF BLEND R-E170/600a (88.0/12.0) R-290/E170 (95.0/5.0) R-134a/152a (5.0/95.0) R-1234yf/134a (56.0/44.0) 2-methylpropane (isobutane) 2-methylbutane (isopentane) CH 3 CH 2 OCH 2 CH 3 HCOOCH 3 ammonia carbon dioxide ethene (ethylene) trans-1-chloro-3,3,3-trifluoro-1-propene 2,3,3,3-tetrafluoro-1 propene trans-1,3,3,3-tetrafluoro-1-propene Propene (propylene) The ASHRAE Standard 34 flammability classification for this refrigerant is 2L,

FORMULA azeotrope azeotrope azeotrope azeotrope butane CH 3 CH 2 CH 2 CH 3 CH(CH 3 ) 2 CH 3 pentane CH 3 CH 2 CH 2 CH 2 CH 3 (CH 3 ) 2 CHCH 2 CH 3 ethoxyethane (ethyl ether) methyl formate NH 3 water H 2 O CO 2 CH 2 =CH 2 CF 3 CH=CHCl CF 3 CF=CH 2 CF 3 CH=CHF CH 3 CH=CH 2 For SI: 1 pound = 0.454 kg, 1 cubic foot = 0.0283m 3 a. Degrees of hazard are for health, fire, and reactivity, respectively, in accordance with NFPA 704. c. For install

CHEMICAL REFRIGERANT R-510A R-511A R-512A R-513A R-600 R-600a R-601 R-601a R-610 R-611 R-717 R-718 R-744 R-1150 R-1233zd(E) R-1234yf R-1234ze(E) R-1270 refrigerant quantity and room volume.

2018 INTERNATIONAL MECHANICAL CODE  f. 105
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