1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 5149 KS B ISO 5149:2008 2008 11 28 http:/www.kats.go.krKS B ISO 5149:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 2003 6 30 ： 2008 11 28 2008-0853 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS B ISO 5149:2008 Mechanical refrigerating
2、 systems used for cooling and heatingSafety requirements 1993 1 ISO 5149, Mechanical refrigerating systems used for cooling and heating Safety requirements . 1 1.1 , , . , . . , , . . R 40 R 12 R 22 . 1.2 . . ( ) . KS B ISO 817, KS B ISO 4126 1, KS C IEC 60335 2-24, 2-24： , KS C IEC 60335 2-34, 2-34
3、： KS C IEC 60335 2-40, 2-40： , KS B ISO 5149:2008 2 1.3 . 1.3.1 (abnormal fire risk) 1.3.2 (absorption refrigerating system) . 1.3.3 (authorized person) 1.3.4 (brazed joint) 450 1.3.5 (bursting disc) 1.3.6 (changeover device) 2 , . 1.3.7 ； (coil； grid) , ( ) 1.3.8 ； (companion valves； block valves)
4、, 1 1.3.9 (compressor) 1.3.10 (compressor unit) KS B ISO 5149:2008 3 1.3.11 (condenser) 1.3.12 (condensing unit) 1 , , ( ) 1.3.13 (critical density) 1.3.14 (design pressure) . . 1.3.15 (evaporator) 1.3.16 (evaporating unit) , , ( ) 1.3.17 (exit) 1.3.18 ； (fusible plug； fusible component) 1.3.19 (gau
5、ge pressure) 1.3.20 (hallway) 1.3.21 (header) 1.3.22 (heat-transferring liquid) KS B ISO 5149:2008 4 1.3.23 (hermetic refrigerant motor-compressor) . . 1.3.24 (high-pressure side) 1.3.25 (human-occupied space) 1.3.26 (internal gross volume) 1.3.27 (internal net volume) 1.3.28 (intrinsic pressure saf
6、ety) (3.7.2.3 ) 1.3.29 (lobby) 1.3.30 (low-pressure side) 1.3.31 (leakage test pressure) / 1.3.32 (limited-charge refrigerating system) 1.3.33 (machinery) . , , , , , , KS B ISO 5149:2008 5 1.3.34 (machinery room) . , . 1.3.35 (maximum working pressure) MWP . 1.3.36 (non-positive-displacement compre
7、ssor) 1.3.37 (piping) 1.3.38 (positive-displacement compressor) 1.3.39 (pressure-limiting device) , ( , ). . 1.3.40 (pressure-relief device) (1.3.41) (1.3.5) 1.3.41 (pressure-relief valve) , . . 1.3.42 (pressure vessels) , 15 L . , KS B ISO 5149:2008 6 , 152 mm 100 L 1.3.43 (quick-closing valve) ( ,
8、 , , ), 1.3.44 (receiver) 1.3.45 (refrigerant) . . 1.3.46 (refrigerating installation) 1.3.47 (refrigerating system) 1.3.48 (sealed absorption system) 2 (unit system) . 1.3.49 (self-contained system) , / 1.3.50 (shut-off device) 1.3.51 (soldered joint) 200 450 . . KS B ISO 5149:2008 7 1.3.52 (streng
9、th-test pressure) / 1.3.53 (type-tested pressure-limiting device) . 1.3.53.1 (pressure-limiting device with automatic reset) . (preset cut-in value) . 1.3.53.2 (pressure-limiting device with manual reset) . . 1.3.53.3 (pressure-limiting device with safety manual reset) . . 1.3.54 (unit system) . . 1
10、.3.55 ( ) vestibule with doors(air lock) 1.3.56 (welded joint) 2 2.1 (occupancies) , , . 1 . KS B ISO 5149:2008 8 . 2.1.1 , . , . 2.1.2 . 2.2 2 . 2.2.1 (direct system) . 2.2.2 (indirect systems) (1.3.22 ) . 2.2.2.1 (indirect open system) . 2.2.2.2 (indirect vented open system) 2.2.2.1 . 2.2.2.3 (ind
11、irect closed system) . 2.2.2.4 (indirect vented closed system) 2.2.2.3 . 2.2.2.5 (double indirect system) 2.2.2 2 2 2.2.2.1 . KS B ISO 5149:2008 9 1 A . , , B . , , , , , , , C . , , , , D . . , , , , , E , . , , , ： , , , 2 2.2.1 2.2.2.1 2.2.2.2 2.2.2.3 KS B ISO 5149:2008 10 2 ( ) 2.2.2.4 2.2.2.5 2
12、.3 ( A ). 1 (non-flammable) 2 ( ) 3.5 % 3 ( ) 3.5 % . 2.3.1 2.3.1.1 1 , 4 . . 4.3 . . 1 . . 25 % KS B ISO 5149:2008 11 4 . . 4 1 , . . . 2.3.1.2 2 . , 3.5 % , . . . ( 3.8.2.3 ). . . 2.3.1.3 3 3.5 % , . . 2.3.2 A . 3 (MWP) 1.0MWP 1.5MWP 1.3MWP 1.0MWP 1.0MWP 1.0MWP a 1.0MWP 1.1MWP a . KS B ISO 5149:20
13、08 12 4 1 R a (2.3.1.1 ) kg/m3 11 12 12B1 13 13B1 22 23 113 114 500 502 503 744 Trichlorofluoromethane Dichlorodifluoromethane Bromochlorodifluoromethane Chlorotrifluoromethane Bromotrifluoromethane Chlorodifluoromethane Trifluoromethane Trichlorotrifluoromethane Dichlorotetrafluoromethane R 12(73.8
14、 %) R 152a(26.2 %) R 22(48.8 %) R 115(51.2 %) R 23(40.1 %) R 13(59.9 %) Carbon dioxide CCl3F CCl2F2 CBrClF2 CClF3 CBrF3 CHClF2 CHF3 CCl2FCClF2 CClF2CClF2 CCl2F2/CH3CHF2 CHClF2/CClF2CF3 R 23(40.1 %) R 13(59.9 %) CO2 0.3 0.5 0.2 0.5 0.6 0.3 0.3 0.4 0.7 0.4 0.4 0.4 0.1 2 000 m 2/3 , 3 500 m 1/3 . a 1 .
15、 3 3.1 3.7.7 “ ” “ ” . , . 3.1.1 3.1.1.1 (strength-pressure testing) 3.1.1.1.1 3 . 3.1.1.1.2 . MWP 3 . 3.1.1.1.3 . . . , . KS B ISO 5149:2008 13 3.1.1.1.4 (housing) 3.1.1.1.1 . 3.1.1.2 (complete-system test) 3.1.1.2.1 3.1.1.1 3 . 3.1.1.2.2 10 kg 1 2.5 kg 2 16 mm 20 . 3.1.1.2.3 3.1.1.1 3.1.1.3 . 3.1.1.2.4 . 3.1.1.3 (leakage test) 3 . 3 . . 3.2 ,
