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Dimensions

SM/SZ 175-185 & SY185

R and C version

202

167

678

641.3

198

528.5

237

180

110.1

Ø 256

Ø 266

Brazed version

Rotolock version

Ø 316.3

195

171

345.4

4 holes

Ø 19.43

279.4

370.8

304.8

197

180

430

238.5

187

186

30°

HM 8 bolt

Lock washer

Flat washer

Steel mounting sleeve

Rubber grommet

Nut

28 mm

Compressor
base plate

Grommet

All dimensions in mm

12

AB237986441643en-010801

Application Guidelines

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Содержание R134a

Страница 1: ...Danfoss scroll compressors SM SY SZ R22 R407C R134a R404A R507A R513A 50 60 Hz Application guidelines http cc danfoss com...

Страница 2: ......

Страница 3: ...s 29 Discharge temperature protection 31 Maximum Operating Pressure MOP protection 31 High and low pressure protection 31 Cycle rate limit 32 System design recommendations 33 General 33 Essential pipi...

Страница 4: ...SZ185 R513A for SZ148 to SZ185 Voltage Version Evolution index C A 4 7 SZ SY A R CA 185 300 Single compressors Single compressors brazed Internal overload protector A S 112 124 147 S175 185 110 240V...

Страница 5: ...around the centre of the fixed scroll in black This movement creates symmetrical compression pockets between the two scroll elements Low pressure suction gas is trapped within each crescent shaped poc...

Страница 6: ...rnal leaks and increases life durability Improved part isolation reduces greatly acoustic levels Gas intake design induces higher resistance to liquid slugging Features SM 112 124 SM SZ147 Heat shield...

Страница 7: ...2 700 248 100 22 73 3 20 10 9 437 5 76 1 8 00 157 SY380 30 89 600 305 800 27 59 3 25 11 1 531 2 92 4 8 40 158 R134a SINGLE SZ084 7 12100 41100 3 83 3 15 10 75 114 5 19 9 3 25 64 SZ090 7 5 12900 43900...

Страница 8: ...0 3 20 10 9 437 5 91 9 8 00 157 SY380 30 107300 366200 33 50 3 20 10 9 531 2 111 6 8 40 158 R134a SINGLE SZ084 7 16700 57100 5 06 3 31 11 29 114 5 24 1 3 25 64 SZ090 7 5 17700 60300 5 33 3 31 11 31 12...

Страница 9: ...9 B 288 4 A 141 9 B 178 4 99 4 284 284 220 220 A 163 B 179 185 A 156 7 B 162 A SM SZ 084 090 100 B SM SZ 110 120 45 30 162 8 99 4 holes 19 4 All dimensions in mm Grommet HM 8 bolt Lock washer Flat wa...

Страница 10: ...24 C SM SZ147 101 243 278 4 holes 19 05 60 180 154 230 190 5 173 30 230 224 243 4 holes 19 157 154 230 190 5 200 154 173 230 190 5 30 30 60 101 509 540 278 All dimensions in mm HM 8 bolt Lock washer F...

Страница 11: ...4 358 209 284 SM 148 161 code 3 SM 148 161 code 4 30 591 180 376 115 3 270 4 266 99 5 440 187 331 99 HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut 28 mm Compressor base pl...

Страница 12: ...Brazed version Rotolock version 316 3 195 171 345 4 4 holes 19 43 279 4 370 8 304 8 197 180 430 238 5 187 186 30 HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut 28 mm Compr...

Страница 13: ...N 29 5 Without compression AVEC COMPRESSION 28 0 With compression 78 650 317 81 345 4 184 428 178 192 304 8 371 156 279 4 187 83 215 187 528 5 1 2 90 35 30 90 4 holes 19 43 266 256 649 614 187 215 153...

Страница 14: ...79 5 1 2 B 490 5 1 2 C 514 7 1 2 Suction A B 1 5 8 C 2 1 8 216 159 7 87 1 98 159 7 392 392 304 8 202 206 209 A B 402 C 420 185 9 454 294 193 5 141 30 35 90 A SY SZ240 B SY SZ300 C SY SZ380 Brazed vers...

Страница 15: ...SY 240 to 380 it is not possible to drain oil from the suction connection SM SZ 112 124 147 1 3 4 rotolock connector allowing use of 1 3 4 7 8 or 1 3 4 1 1 8 SY240 300 380 1 2 flare Other models 3 8...

Страница 16: ...or by M5 studs and nuts In both cases the maximum tightening torque is 3 Nm The terminal box is provided with 2 double knockouts for the power supply and 3 knockouts for the safety control circuit Th...

Страница 17: ...led in an enclosure precautions must be taken to avoid that the temperature around the compressor and in the terminal box would rise too much The installation of ventilation on the enclosure panels ma...

Страница 18: ...240 215 50 47 0 62 SY300 270 69 58 0 52 SY380 300 79 72 7 0 41 Motor voltage code 6 230V 3 ph 50 Hz SM SZ084 150 29 27 0 58 SM SZ090 165 30 27 0 5 SM SZ100 165 30 30 0 5 SM SZ110 210 37 35 0 35 SM SZ1...

Страница 19: ...value is the maximum at which the compressor can be operated in transient conditions and out of the application envelope Above this value the internal motor protection or external electronic module wi...

Страница 20: ...e system to build pressure But it remains mandatory for compressor protection to apply an LP safety switch The LP safety switch must never be bypassed Pressure settings for the LP and HP safety switch...

Страница 21: ...stat DGT Fused disconnect Q1 Motor safety thermostat thM Compressor motor M Motor Protection Module MPM Thermistor chain S Safety pressure switch LPS CONTROL CIRCUIT F1 F1 KA KA KA HP LPS T1 T2 T3 KM...

Страница 22: ...time delay may be cancelled by means of resetting the mains L N disconnect for approximately 5 sec Compressor models SM SZ175 185 R C versions have been provided with a bimetallic single pole single t...

Страница 23: ...essor down and connect the phases to their proper terminals If reverse rotation is not halted the compressor will cycle off on the internal motor protection Compressor models SY240 to SY380 are delive...

Страница 24: ...nufacturer s declaration of incorporation Contact Danfoss Products SM SZ084 to SY380 Declaration of conformity Contact Danfoss Products Internal free volume without oil litre SM SZ084 090 100 14 1 SM...

Страница 25: ...emperature applications but it can also be applied to medium evaporating temperature applications R404A is a mixture and has a very small temperature glide and therefore must be charged in its liquid...

Страница 26: ...ximum evaporating and condensing temperatures as per the operating envelopes SM SY SZ compressors can be applied from 35 C to 63 C for SM SZ084 to 185 and 53 C for SY SZ 240 to 380 ambient temperature...

Страница 27: ...10 15 20 0 Condensing temperature C Evaporating temperature C 70 65 60 55 50 45 40 35 S H 11 1 K S H 30 K SUPERHEAT 75 80 30 15 10 5 5 10 15 20 25 0 Condensing temperature C Evaporating temperature C...

Страница 28: ...PERHEAT SZ084 to 185 R404A R507A SZ148 185 SY185 R513A 75 30 70 65 60 55 50 45 40 35 25 20 15 10 0 5 10 15 5 Condensing temperature C S H 11 1 K S H 30 K SUPERHEAT Evaporating temperature C 70 65 75 6...

Страница 29: ...correspond with the constant pressure lines For a given cycle the MEAN point temperatures are typically about 2 to 3 C lower than DEW point temperatures In these Selection and Application Guidelines...

Страница 30: ...e for SZ 084 to 185 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 5 10 15 20 Condensing temperature C Evaporating temperature C Dew temperature conditions S H 11 1 K S H 30 K SUPERHEAT 70 65 60 55 50 45...

Страница 31: ...C Risk of operation beyond the application envelope DGT protection required Example 2 R22 SH 11 K LP switch setting LP2 2 9 bar g 7 C HP switch setting HP2 21 bar g 55 C No risk of operation beyond th...

Страница 32: ...l between the discharge and suction pressures surpasses 31 to 38 bar This safety feature prevents the compressor from developing dangerously high pressures should the high pressure cutout for whatever...

Страница 33: ...he compressor as is often the case in split or remote condenser systems the addition of a pump down cycle is strongly recommended If a pump down cycle were to be omitted the suction line must have a l...

Страница 34: ...olerate occasional flooded starts as long as the total system charge does not exceed the maximum compressor refrigerant charge A suitable test to evaluate the risk of off cycle migration is the follow...

Страница 35: ...LSV A pump down cycle represents one of the most effective ways to protect against the off cycle migration of liquid refrigerant Once the controls has been satisfied a solenoid valve closes on the con...

Страница 36: ...liquid state Danfoss SM SY SZ scroll compressors can tolerate occasional liquid flood back However system design must be such that repeated and excessive flood back is not possible A continuous liqui...

Страница 37: ...ns Operation under low pressure differential may be observed by a significant increase in the sound power level generated by the compressor It is recommended that the unit be tested and monitored at m...

Страница 38: ...ostat are required for reversible heat pump applications The following considerations cover the most important issues when dealing with common applications Each application design however should be th...

Страница 39: ...d even for a very short period of time which situation may occur with slow acting reversing valves in heat pumps Discharge pressures exceeding the operating envelope may result in nuisance high pressu...

Страница 40: ...8 7755011 120Z0356 S 100 70 8 73 8 75 8 77 8 7755011 120Z0356 S 110 75 8 77 8 78 8 81 8 7755010 120Z0356 S 112 75 6 78 6 120Z0035 S 120 75 8 77 8 78 8 81 8 7755010 120Z0356 S 124 73 6 77 6 120Z0035 S...

Страница 41: ...imal vibration during operations The use of rubber isolators on the compressor base plate or on the frame of a manifolded unit is very effective in reducing vibration being transmitted from the compre...

Страница 42: ...exposed to rain corrosive or flammable atmosphere between 35 C and 53 C when charged with refrigerant and between 35 C and 70 C when charged with nitrogen When the compressor is mounted as part of an...

Страница 43: ...sture and air Consequently when building equipment and assemblies the precautions listed in the following paragraphs must be taken Tubing Only use clean and dehydrated refrigeration grade copper tubin...

Страница 44: ...ssor in order to prevent against oxidation and flammable conditions The compressor should not be exposed to the open air for extended periods Use of a double tipped torch is recommended Apply heat eve...

Страница 45: ...molecular sieve solid core filter drier Molecular sieve filter driers with loose beads from third party suppliers shall be avoided For servicing of existing installations where acid formation is prese...

Страница 46: ...When the compressor is off the level in the sight glass can be influenced by the presence of refrigerant in the oil Always use original Danfoss oil from new cans Compressor series Oil SM Mineral oil...

Страница 47: ...950 745 543 2 SM SZ147 565 470 718 79 8 1150 950 745 566 2 SM SZ148 161 565 470 749 100 6 1140 950 790 546 3 SM SZ175 185 SY185 565 470 837 115 6 1140 950 877 648 2 SY240 760 600 900 163 4 1140 950 90...

Страница 48: ...SM175 Brazed Thermostat SM175 3CAI SM175 4CAI Rotolock Thermostat SM175 4RI SM185 Brazed Thermostat SM185 3CAI SM185 4CAI SM185 9CAI Brazed Module 24V AC SM185 4PCI Brazed Module 110 240V AC Rotolock...

Страница 49: ...azed Thermostat Rotolock Thermostat SM175 4RM SM185 Brazed Thermostat SM185 3CAM SM185 4CAM SM185 9CAM Brazed Module 24V AC SM185 4PCM Brazed Module 110 240V AC SM185 4XCM Rotolock Thermostat SM185 3R...

Страница 50: ...10 Brazed Internal SZ110 3VI SZ110 4VI SZ110 9VI SZ120 Brazed Internal SZ120 3VI SZ120 4VI SZ120 9VI SZ147 Brazed Internal 120H1096 SZ148 Brazed Internal SZ148 3VAI SZ148 4VAI SZ148 9VAI SZ161 Brazed...

Страница 51: ...100 9VM SZ110 Brazed Internal SZ110 3VM SZ110 4VM SZ110 9VM SZ120 Brazed Internal SZ120 3VM SZ120 4VM SZ120 9VM SZ147 Brazed Internal 120H1097 SZ148 Brazed Internal SZ148 3VAM SZ148 4VAM SZ161 Brazed...

Страница 52: ...k 10 G09 7956002 Gasket 1 1 4 Models with 1 1 4 rotolock connection Industry pack 50 G07 8156132 Gasket 1 3 4 Models with 1 3 4 rotolock connection Multipack 10 G07 7956003 Gasket 1 3 4 Models with 1...

Страница 53: ...0388 80W 24V surface sump heater CE UL SM112 124 SM SZ147147 Multipack 8 120Z0389 80W 230V surface sump heater CE UL Multipack 8 120Z0390 80W 400V surface sump heater CE UL Multipack 8 120Z0391 80W 46...

Страница 54: ...1 120Z0355 Bottom insulation SY240 to SY380 Single pack 1 Mounting hardware Type Code No Description Application Packaging Pack Size 8156138 Mounting kit for scroll compressors Grommets sleeves bolts...

Страница 55: ...ver 1 clamp SM084 090 100 110 112 120 124 147 148 161 except SM148 3 161 3 SZ084 090 100 110 120 148 161 except SZ148 3 161 3 Multipack 10 8173230 T block connector 52 x 57 mm SM SZ084 110 120 148 exc...

Страница 56: ...us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents AB237986441643en 010801 Danfoss DCS CC 2020 12 Our...

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