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Application guidelines

8

FRCC.PC.021.A5.22

Performance data - 50Hz

Cooling

Heating

Tc °F Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Cooling

(Btu/h)

Pe

(kW)

Te °F

-20

-10

0

10

20

30

40

50

59

PSH051-4

70

69 113

9.01

89 010

9.52 112 730 10.15 140 785 10.91 173 584 11.82 211 570 12.92 255 222 14.22

85

63 038 10.33 81 672 10.81 103 754 11.38 129 829 12.07 160 239 12.90 195 529 13.89 236 041 15.07 282 321 16.46

100 56 621 11.96 73 959 12.42 94 403 12.96 118 430 13.59 146 485 14.35 179 010 15.25 216 416 16.31 259 181 17.57 302 628 18.89
115 49 625 13.95 65 631 14.40 84 403 14.91 106 416 15.50 132 048 16.20 161 775 17.02 196 075 17.99 235 324 19.13 275 290 20.33
130 41 809 16.33 56 485 16.79 73 584 17.29 93 481 17.85 116 724 18.50 143 652 19.26 174 778 20.14 210 512 21.19 246 962 22.28
154

70 444 22.63 89 693 23.23 112 116 23.91 138 123 24.70 168 191 25.61 199 044 26.55

PSH064-4

70

86 928 11.49 111 638 12.11 141 468 12.85 177 065 13.74 219 078 14.82 268 191 16.16 325 085 17.78

85

79 522 13.07 102 457 13.71 129 898 14.41 162 560 15.23 201 058 16.19 246 075 17.36 298 259 18.78 358 259 20.49

100 71 468 14.95 92 662 15.65 117 850 16.36 147 611 17.14 182 696 18.03 223 686 19.08 271 263 20.33 326 109 21.82 382 218 23.42
115 62 389 17.16 81 980 17.95 104 949 18.72 131 945 19.51 163 652 20.36 200 717 21.33 243 823 22.45 293 584 23.78 344 608 25.19
130 51 980 19.71 70 034 20.65 90 887 21.51 115 188 22.35 143 618 23.21 176 860 24.14 215 529 25.18 260 307 26.38 306 348 27.63
154

85 290 27.94 108 669 28.90 135 939 29.86 167 713 30.85 204 676 31.94 242 901 33.03

PSH077-4

70 107 270 14.05 137 167 14.79 173 140 15.76 216 075 16.99 266 860 18.47 326 314 20.22 395 290 22.24
85

97 952 15.90 126 075 16.56 159 693 17.45 199 625 18.57 246 724 19.94 301 911 21.56 366 007 23.44 439 863 25.59

100 88 089 18.21 114 232 18.82 145 188 19.64 181 843 20.68 225 051 21.94 275 700 23.45 334 642 25.20 402 696 27.21 472 526 29.25
115 77 611 21.07 101 502 21.65 129 556 22.42 162 696 23.40 201 741 24.58 247 611 25.99 301 092 27.63 363 140 29.52 426 962 31.43
130 66 451 24.59 87 816 25.15 112 730 25.89 142 082 26.82 176 724 27.95 217 509 29.28 265 324 30.83 321 058 32.60 378 635 34.40
154

105 768 34.01 132 799 35.08 164 983 36.32 203 174 37.76 248 259 39.40 295 427 41.06

Tc °F Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Heating 

(Btu/h)

Pe

(kW)

Te °F

-20

-10

0

10

20

30

40

50

59

PSH051-4

70

99 863

9.01 121 502 9.52 147 372 10.15 177 986 10.91 213 925 11.82 255 666 12.92 303 754 14.22

85

98 294 10.33 118 567 10.81 142 628 11.38 171 024 12.07 204 300 12.90 242 935 13.89 287 509 15.07 338 498 16.46

100 97 440 11.96 116 348 12.42 138 635 12.96 164 812 13.59 195 461 14.35 231 024 15.25 272 082 16.31 319 181 17.57 367 099 18.89
115 97 201 13.95 114 778 14.40 135 324 14.91 159 317 15.50 187 338 16.20 219 863 17.02 257 474 17.99 300 614 19.13 344 676 20.33
130 97 509 16.33 113 788 16.79 132 594 17.29 154 437 17.85 179 863 18.50 209 352 19.26 243 515 20.14 282 799 21.19 323 003 22.28
154

147 679 22.63 169 010 23.23 193 754 23.91 222 423 24.70 255 563 25.61 289 659 26.55

PSH064-4

70 124 710 11.49 151 468 12.11 183 720 12.85 222 253 13.74 267 850 14.82 321 365 16.16 383 584 17.78
85 122 526 13.07 147 543 13.71 177 304 14.41 212 628 15.23 254 334 16.19 303 174 17.36 360 034 18.78 425 666 20.49

100 120 648 14.95 144 164 15.65 171 672 16.36 204 027 17.14 242 014 18.03 286 451 19.08 338 157 20.33 397 918 21.82 459 283 23.42
115 118 840 17.16 141 058 17.95 166 519 18.72 196 143 19.51 230 648 20.36 270 887 21.33 317 679 22.45 371 809 23.78 427 474 25.19
130 116 826 19.71 137 952 20.65 161 638 21.51 188 737 22.35 220 000 23.21 256 280 24.14 298 362 25.18 347 099 26.38 397 270 27.63
154

177 201 27.94 203 754 28.90 234 164 29.86 269 215 30.85 309 761 31.94 351 570 33.03

PSH077-4

70 153 891 14.05 186 212 14.79 225 427 15.76 272 423 16.99 328 123 18.47 393 379 20.22 469 078 22.24
85 150 683 15.90 181 024 16.56 217 577 17.45 261 229 18.57 312 867 19.94 373 413 21.56 443 754 23.44 524 778 25.59

100 148 464 18.21 176 655 18.82 210 341 19.64 250 444 20.68 297 850 21.94 353 481 23.45 418 225 25.20 492 969 27.21 569 556 29.25
115 147 543 21.07 173 311 21.65 203 959 22.42 240 307 23.40 283 311 24.58 333 823 25.99 392 765 27.63 461 058 29.52 531 229 31.43
130 148 055 24.59 171 263 25.15 198 635 25.89 231 058 26.82 269 420 27.95 314 642 29.28 367 577 30.83 429 215 32.60 492 765 34.40
154

218 601 34.01 249 147 35.08 285 461 36.32 328 430 37.76 378 976 39.40 431 638 41.06

Refrigerant: R410A 

Frequency: 50 Hz 

Subcooling: 9°F 

Superheat: 9°F

50 Hz

Summary of Contents for PSH051-4

Page 1: ...Danfoss scroll compressors PSH051 to 077 50 60 Hz R410A Application guidelines http danfoss us com...

Page 2: ......

Page 3: ......

Page 4: ...ical box knock out dimensions 17 IP rating 17 Electrical box temperature 17 Approval and certifications 18 Approvals and certificates 18 Pressure equipment directive 2014 68 EU 18 Low voltage directiv...

Page 5: ...arting sound level 41 Running sound level 41 Stopping sound level 41 Installation 42 Compressor handling and storage 42 Compressor mounting 42 Parallel mounting 43 Tandem rails configuration 43 Trio r...

Page 6: ...heat pump applications Beside scroll elements pressure ratio optimization PSH includes 2 major new technologies liquid injection and Operating Control System OCS PSH scroll compressor is also equipped...

Page 7: ...437 17 17 10 55 7 20 13 89 1398 227 238 PSH064 4 223485 152502 21 58 10 31 7 06 17 46 1759 227 336 PSH077 4 274072 187887 25 98 10 50 7 24 21 03 2119 227 354 60Hz PSH051 4 218625 148246 20 62 10 55 7...

Page 8: ...4 40 154 105 768 34 01 132 799 35 08 164 983 36 32 203 174 37 76 248 259 39 40 295 427 41 06 Tc F Heating Btu h Pe kW Heating Btu h Pe kW Heating Btu h Pe kW Heating Btu h Pe kW Heating Btu h Pe kW He...

Page 9: ...154 126 894 40 82 159 352 42 09 197 986 43 58 243 823 45 31 297 918 47 28 354 505 49 27 Tc F Heating Btu h Pe kW Heating Btu h Pe kW Heating Btu h Pe kW Heating Btu h Pe kW Heating Btu h Pe kW Heatin...

Page 10: ...69 24 29 8 19 8 08 11 85 5 66 13 60 17 09 9 29 7 05 10 16 13 90 60 8 60 7 20 7 68 6 73 10 11 6 63 3 22 12 14 60 4x holes 0 76 2 993 62 Rigid spacer x 4 20 9 0 05 10 47 HM 8 bolt Lock washer Flat washe...

Page 11: ...Lock washer Flat washer Rigid spacer Nut Nut 1 16 inch HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut 1 10 inch Compressor base plate 13 12 12 52 27 28 24 96 8 19 7 96 11 8...

Page 12: ...ock washer Flat washer Steel mounting sleeve Rubber grommet Nut 1 10 inch Compressor base plate 13 12 20 64 0 05 12 52 4x holes 0 76 28 56 26 23 8 19 7 96 11 85 5 63 3 62 3 Rigid spacer x4 13 60 11 7...

Page 13: ...1 4 1 3 8 or 2 1 4 1 5 8 sleeve This connection must be used to mount the oil equalisation line when two or more compressors are mounted in parallel please refer to section Parallel mounting for detai...

Page 14: ...er can be applied to reduce starting current The MCC is the current at which the motor protection trips under maximum load and low voltage conditions This MCC value is the maximum at which the compres...

Page 15: ...to the compressor terminals by 3 16 4 8 mm screws The maximum tightening torque is 2 2 ft lb Use a 1 4 ring terminal on the power leads The compressor must be connected to earth with the 0 20 inch ear...

Page 16: ...OCS protection cover The compressor comes with prewired OCS connections for discharge gas temperature sensor DGT surface sump heater SSH motor protection phase monitoring liquid injection valve LIV No...

Page 17: ...imer 3 min 180 s External overload protection F2 Pump down pressure switch LP High pressure safety switch HP Control device TH Liquid line solenoid valve LLSV Fused disconnect Q1 Compressor motor M Th...

Page 18: ...Directive All PSH models UL Underwriters Laboratories All 60 Hz PSH models Other approvals certificates Contact Danfoss Products PSH051 to 077 Manufacturer s declaration of incorporation Contact Danf...

Page 19: ...s more compact and lighter systems Polyolester oil POE is miscible with HFC s while mineral oil is not but has to be evaluated regarding lubrication ability in compressors POE oil has better thermal s...

Page 20: ...onse temperature resistance 2 750 a 5 minutes time delay is activated After this delay has elapsed the relay is once again pulled in i e contacts M1 M2 are closed The time delay may be cancelled by me...

Page 21: ...he compressor will only operate properly in a single direction and the motor is wound so that if the connections are correct the rotation will also be correct OCS provides protection against phase rev...

Page 22: ...s 1 2 3 and 3 During start up or defrost the compressor may operate outside this envelope for short periods Transient conditions areas 2 1 2 2 2 3 3 are allowed and also monitored by the OCS see table...

Page 23: ...RT value back to normal range then automatic reset and manual reset after 4 repeated occurences in 24h 2100h WARNING W35 2100h low pressure difference Max duration exceeded Area 3 WARNING W50 Compress...

Page 24: ...is closed when the compressors is idle Liquid injection valve accessory is available refer to accessories list for code numbers An additional solenoid valve has to be installed in case of power short...

Page 25: ...ompressor Pressure transducers LP 1 on compressor OR via comm bus Voltage out of sensor operating pressure range 0 1 4 9 V OR broadcasting not available via CAN Bus ALARM A15 Low Pressure transmitter...

Page 26: ...ompressor High pressure safety switch shall be tested on the unit and this test may be in conflict with OCS reliability protection in the case of HP switch setting is higher than Pdisch_limit 663 psi...

Page 27: ...es a minimum compressor running time of 2 minutes so as to provide for sufficient motor cooling after start up along with proper oil return Note that the oil return may vary since it depends upon syst...

Page 28: ...ollow First In First Out FIFO rules A total capacity of 3000 lines is available A definite storage file running as a counter will record the following data Each alarm Each event Surface sump heater on...

Page 29: ...allows to choose between different types of data transfer and to transfer data from OCS to a SD card MMIMYK recovers data Connect MMIMYK to the OCS via RJ11 cable Power off the OCS Power on it Data w...

Page 30: ...to 4 are for compressor identifiant the 3 last dipswitches 5 to 7 are for circuit rack identification Below tables give examples The dipswitch address is read as NodeID at power up and changed if addr...

Page 31: ...itters on one of the OCS of the compressors rack This ensures a fast reactivity regarding compressors protection with a polling time of 1 second The other OCS of the compressors rack will receive pres...

Page 32: ...ure 0x3902 14594 Te_x10 Calculated evaporatinging temperature 0x3903 14595 Liq_Ctrl_ref_x10 Injection control temperature 0x3906 14598 Liq_Ctrl_error_x10 Injection control error 0x3907 14599 Liq_valve...

Page 33: ...igh compression ratio cpr stopped 0x321F 12831 Warning W32 W32 336h High compres ratio Max duration ex 0x3220 12832 Warning W33 W33 Low pressure difference stop in 3 min 0x3221 12833 Alarm A34 A34 Low...

Page 34: ...ate too high pressure drops or since in R410A systems the negative impact of high pressure drops on the system efficiency is stronger than in R22 R407C systems Piping should be designed with adequate...

Page 35: ...ch liquid refrigerant accumulates in the sump it will saturate the oil and lead to a flooded start when the compressor starts running again the refrigerant evaporates abruptly under the sudden decreas...

Page 36: ...down allows to store all the refrigerant in the high pressure side circuit On unitary or close coupled systems where the system refrigerant charge is expected to be both correct and definable the enti...

Page 37: ...all operating conditions described before The oil level of idle compressors may disappear in the oil sight glass The oil level must retrieve a visible level in all compressors after the unit is stopp...

Page 38: ...In air cooled machines cycling the fans with a head pressure controller will ensure that the fans remain off until the condensing pressure has reached a satisfactory level Variable speed fans can also...

Page 39: ...ire specific precautions for ensuring a long compressor life and satisfactory operating characteristics Regardless of the refrigerant charge in the system specific tests for repetitive flood back are...

Page 40: ...Defrost and reverse cycle gas to collect and to reduce the pressure peak during the time it takes for the valve to change position At the same time it is important that the selection and sizing of th...

Page 41: ...tle increased start up transient sound If a compressor is miswired the compressor will run in reverse Reverse compressor rotation is characterized by an objectionable sound To correct reverse rotation...

Page 42: ...tallation never use the lift rings on the compressor to lift the installation The risk is run that the lugs could separate from the compressor or that the compressor could separate from the base frame...

Page 43: ...commended rails configuration Danfoss Commercial Compressors does not supply the rails described here 1 18 3 70 17 86 17 86 6 x M8 nuts 19 69 4 x 0 98 0 39 11 11 11 8 69 57 80 57 75 8 69 3 70 1 18 17...

Page 44: ...st always be installed on compressor 1 Oil equalisation 1 3 8 Suction right 2 1 8 Discharge right 1 3 8 1 5 8 Compressor 2 Compressor 1 1 1 8 2x Suction left Discharge left 1 3 8 Grommet sleeve Flat w...

Page 45: ...For each tandem and trio configuration specific outline drawings are available as indicated on the previous pages These drawings must always be respected No changes shall be made to the indicated tubi...

Page 46: ...pipe work where filings and particles can not be removed System cleanliness The refrigerant compression system regardless of the type of compressor used will only provide high efficiency and good reli...

Page 47: ...eves Use only clean refrigeration grade copper tubing and clean all connections Use brazing material with a minimum of 5 silver content Purge nitrogen or CO2 through the compressor in order to prevent...

Page 48: ...h the high and low pressure sides Failure to do so may result in serious personal injury Pressure gauges must be used to ensure all pressures are at atmospheric level For more detailed information on...

Page 49: ...The best location is on the liquid line between the condenser outlet and the filter drier Then during commissioning when needed a complement of charge can be done in liquid phase slowly throttling liq...

Page 50: ...motor is tested at the factory with a high potential voltage hi pot that exceeds the UL requirement both in potential and in duration Leakage current is less than 5 mA It is not recommended to repeat...

Page 51: ...he sight glass can be influenced by the presence of refrigerant in the oil Always use original Danfoss POE oil 160SZ from new cans Top up the oil while the compressor is idle Use the schrader connecto...

Page 52: ...Compressor model Nb Length in Width in Height in Gross weight lb Static stacking pallets PSH051 6 45 3 38 30 2 1532 2 PSH064 4 45 3 38 30 2 1451 2 PSH077 4 45 3 38 31 5 1518 2 Compressor model Length...

Page 53: ...mounted rigid spacers dedicated to parallel mounting For use in single applications the rigid spacers must be replaced by flexible grommets which are available as accessory kit 8156138 see section Acc...

Page 54: ...Industry pack 50 G08 8156133 Gasket 2 1 4 Models with 2 1 4 rotolock connection Multipack 10 G08 7956004 Gasket 2 1 4 Industry pack 50 Type Code n Description Application Packaging Pack size 8153124 R...

Page 55: ...cer sleeve for oil connect PSH051 064 PSH064 077 Single pack 1 7777048 Suction washer rigid spacer sleeve for oil connect PSH051 077 Single pack 1 Type Code n Description Application Packaging Pack si...

Page 56: ...OCS version PSH051 064 077 Single pack 1 Type Code n Description Application Packaging Pack size 060G5707 HP sensor PSH051 064 077 Single pack 1 060G0090 060G0008 LP sensor Single pack 1 120Z0482 DGT...

Page 57: ...Page 18 Pressure equipment directive 2014 68 EU Page 26 Pressure settings Page 48 Maximum compressor test pressure high side 696 psig Page 18 Updated Pressure equipment directive 2014 68 EU Page 26 U...

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Page 60: ...oned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spread across three continents Danfoss Inverter Scrolls Danfoss Turbocor Compre...

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