Hanbell RC2 Series Technical Manual Download

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Technical Manual

VERSION 2.0 -10-18-2018

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3. The minimum discharge superheat is recommended to be kept 10°k higher than the condensing temperature

( normally discharge superheat is around 20°K for R134a and 30°K for R22, R407C) to avoid liquid filling back to

compressor and lubrication failure.

2.12 MCC and LRA

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Refrigerant : R134a, R1234yf, R1234ze (Y

-△)



50Hz

60Hz Unit: Ampere

380V

400V

415V

208V

220V

230V

380V

440V

460V

480V

575V

MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

) MCC

LRA

/△

)

RC2100A

53 58/175 50 60/ 180 49 55/165 115 127/380 109 117/350 104 120/360 63

70/210

55 58/175 52 60/180 50 55/165 42 48/145

RC2140A

73 77/230 70 80/240 67 73/220 160 175/525 151 153/460 145 160/480 88

97/290

76 77/230 72 80/240 69 73/220 58 63/190

RC2180A

97 103/310 92 108/325 89 98/295 213 230/690 202 198/595 193 207/620 117 125/375 101 103/310 96 108/325 92 98/295 77 85/255

RC2200A

103 103/310 98 108/325 94 98/295 226 230/690 214 198/595 204 207/620 124 125/375 107 103/310 102 108/325 98 98/295 82 85/255

RC2230A

124 160/480 117 167/500 113 155/465 270 360/1080 256 302/905 244 315/945 148 200/600 128 160/480 122 167/500 117 155/465 98 125/375

RC2260A

138 160/480 131 167/500 126 155/465 302 360/1080 286 302/905 273 315/945 165 200/600 143 160/480 137 167/500 131 155/465 109 125/375

RC2300A

155 200/600 147 208/625 142 180/540 340 462/1385 322 375/1125 308 392/1175 186 245/735 161 200/600 154 208/625 147 180/540 123 157/470

RC2310A

163 200/600 155 208/625 149 180/540 360 462/1385 341 375/1125 326 392/1175 197 245/735 170 200/600 163 208/625 156 180/540 130 157/470

RC2320A

167 200/600 158 208/625 153 180/540 366 462/1385 346 375/1125 331 392/1175 200 245/735 173 200/600 165 208/625 158 180/540 132 157/470

RC2340A

178 230/690 169 240/720 163 218/655 388 503/1510 367 460/1380 351 480/1440 213 270/810 184 230/690 176 240/720 168 218/655 140 182/545

RC2370A

194 230/690 185 240/720 178 218/655 426 503/1510 403 460/1380 386 480/1440 233 270/810 202 230/690 193 240/720 185 218/655 154 182/545

RC2410A

216 233/700 205 243/730 198 230/690

－

260 273/820 224 233/700 215 243/730 206 230/690 172 183/550

RC2430A

230 233/700 218 243/730 211 230/690

－

277 273/820 239 233/700 229 243/730 219 230/690 183 183/550

RC2470A

248 270/810 236 282/845 227 265/795

－

300 328/985 259 270/810 248 282/845 238 265/795 198 220/660

RC2510A

271 270/810 258 282/845 248 265/795

－

327 328/985 282 270/810 270 282/845 259 265/795 216 220/660

RC2550A

292 292/875 277 305/915 267 283/850

－

350 372/1115 302 292/875 289 305/915 277 283/850 231 250/750

RC2580A

304 292/875 288 305/915 278 283/850

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365 372/1115 316 292/875 302 305/915 289 283/850 242 250/750

RC2620A

317 407/1220 301 428/1285 290 387/1160

－

381 482/1445 329 407/1220 315 428/1285 301 387/1160 252 323/970

RC2710A

365 447/1340 347 467/1400 334 432/1295

－

439 583/1750 379 447/1340 363 467/1400 348 432/1295 290 373/1120

RC2790A

404 477/1430 384 498/1495 370 457/1370

－

486 643/1930 420 477/1430 402 498/1495 385 457/1370 321 388/1165

RC2830A

422 522/1565 401 545/1635 387 495/1485

－

507 728/2185 438 522/1565 419 545/1635 402 495/1485 335 462/1385

RC2930A

490 663/1990 465 693/2080 448 617/1850

－

589 823/2470 509 663/1990 487 693/2080 466 617/1850 389 555/1665

RC21020A(A1)

360 583/1750 342 613/1840 330 537/1610

434 763/2290 374 583/1750 358 613/1840 343 537/1610 287 493/1480

RC21020A(A2)

536 753/2260 510 793/2380 491 690/2070

645 945/2835 557 753/2260 533 793/2380 510 690/2070 426 635/1905

RC21130A(A1)

395 583/1750 375 613/1840 362 537/1610

475 763/2290 410 583/1750 393 613/1840 376 537/1610 314 493/1480

RC21130A(A2)

588 753/2260 559 793/2380 538 690/2070

709 945/2835 612 753/2260 585 793/2380 561 690/2070 468 635/1905

RC21270A(A1)

457 753/2260 434 793/2380 419 690/2070

550 943/2830 475 753/2260 455 793/2380 436 690/2070 364 635/1905

RC21270A(A2)

682 888/2665 648 935/2805 624 782/2345

820 1168/3505 708 888/2665 677 935/2805 649 782/2345 542 717/2150

RC21530A(A1)

517 753/2260 491 793/2380 474 690/2070

623 943/2830 538 753/2260 514 793/2380 493 690/2070 411 635/1905

RC21530A(A2)

770 888/2665 732 935/2805 705 782/2345

927 1168/3505 800 888/2665 766 935/2805 734 782/2345 613 717/2150

Refrigerant : R134a, R1234yf, R1234ze (PWS

)



50Hz

60Hz Unit: Ampere

380V

400V

415V

208V

220V

230V

380V

440V

460V

480V

575V

MCC LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

) MCC

LRA

(

△

△△

)

RC2100A

53 79/165 50 84/175 49 74/155 115 170/355 109 156/325 104 166/345 63

86/190

55 79//165 52 84/175

50 74/155 42 62/130

RC2140A

73 108/225 70 113/235 67 101/210 160 238/495 151 211/440 145 221/460 88 125/160 76 108/225 72 110/230 69 101/210 58 79/165

RC2180A

97 155/310 92 163/325 89 145/290 213 338/675 202 305/610 193 320/640 117 185/370 101 155/310 96 163/325 92 145/290 77 118/235

RC2200A

103 155/310 98 163/325 94 145/290 226 338/675 214 305/610 204 320/640 124 185/370 107 155/310 102 163/325 98 148/295 82 118/235

RC2230A

124 303/505 117 285/475 113 267/445 270 645/1075 256 618/1030 244 573/955 148 360/600 128 303/505 122 285/475 117 267/445 98 237/395

RC2260A

138 303/505 131 285/475 126 267/445 302 645/1075 286 618/1030 273 573/955 165 360/600 143 303/505 137 285/475 131 267/445 109 237/395

RC2300A

155 350/565 147 329/530 142 322/520 340 822/1325 322 763/1230 308 704/1135 186 428/690 161 350/565 154 329/530 147 322/520 123 273/440

RC2310A

163 350/565 155 329/530 149 322/520 360 822/1325 341 763/1230 326 704/1135 197 428/690 170 350/565 163 329/530 156 322/520 130 276/445

RC2320A

167 350/565 158 329/530 153 322/520 366 822/1325 346 763/1230 331 704/1135 200 428/690 173 350/565 165 329/530 158 322/520 132 276/445

RC2340A

178 462/710 169 423/650 163 410/630 388 943/1450 367 868/1335 351 920/1415 213 546/840 184 462/710 176 423/650 168 410/630 140 358/550

RC2370A

194 462/710 185 423/650 178 410/630 426 943/1450 403 868/1335 386 920/1415 233 546/840 202 462/710 193 423/650 185 410/630 154 358/550

RC2410A

216 475/730 205 497/765 198 429/660

－

260 553/850 224 475/730 215 497/765 206 429/660 172 374/575

RC2430A

230 475/730 218 497/765 211 429/660

－

277 553/850 239 475/730 229 497/765 219 429/660 183 374/575

RC2470A

248 571/840 236 598/880 227 513/755

－

300 677/995 259 571/840 248 598/880 238 513/755 198 439/645

RC2510A

271 571/840 258 598/880 248 513/755

－

327 677/995 282 571/840 270 598/880 259 513/755 216 439/645

RC2550A

292 615/905 277 646/950 267 596/875

－

350 779/1145 302 615/905 289 646/950 277 595/875 231 476/700

RC2580A

304 615/905 288 646/950 278 595/875

－

365 779/1145 316 615/905 302 646/950 289 595/875 242 476/700

Summary of Contents for RC2 Series

Page 1: ...y Fort Myers FL 33905 Office 239 694 0089 Fax 239 694 0031 www mcscontrols com High efficiency Model RC2 Series Screw Compressor New generation of innovative design Screw compressor TECHNICAL MANUAL VERSION 2 0 10 18 2018 ...

Page 2: ... changing oil 18 3 3 Oil change 18 4 Compressor handling and installation 19 4 1 Compressor lifting 19 4 2 Mounting the compressor 20 4 3 RC2 compressor outline drawings 21 4 4 Compressors accessories 44 4 5 Installation and connection of compressor 58 5 Electrical data and design 61 5 1 Motor design 61 5 2 Compressor protection devices 64 5 3 Power supply 64 5 4 Grounding 65 6 Operation and maint...

Page 3: ...ipped with separated radial and axial bearings liquid injection and economizer connection PTC motor temperature thermistors and discharge temperature thermistors a motor protector and oil level switch and oil pressure differential switch connector and other accessories The complete accessories and their new designs guarantee the compressor has the best reliability longest bearing life during heavy...

Page 4: ...16 600 RC2 370A 440 366 35 50 75 100 35 100 84 70 16 610 RC2 410A 490 407 25 50 75 100 25 100 93 78 380 440 460 480 575 16 730 RC2 430A 509 423 25 50 75 100 25 100 93 78 16 735 RC2 470A 567 471 25 50 75 100 25 100 108 90 18 800 RC2 510A 611 508 35 50 75 100 35 100 117 98 20 760 RC2 550A 660 549 25 50 75 100 25 100 126 105 23 820 RC2 580A 702 583 35 50 75 100 35 100 131 109 20 805 RC2 620A 745 619 ...

Page 5: ... 35 100 121 101 16 620 RC2 370B 440 366 35 50 75 100 35 100 130 108 16 640 RC2 410B 490 407 25 50 75 100 25 100 146 121 380 440 460 480 575 16 740 RC2 470B 567 471 25 50 75 100 25 100 170 141 18 810 RC2 510B 611 508 35 50 75 100 35 100 183 152 20 780 RC2 550B 660 549 25 50 75 100 25 100 195 162 23 850 RC2 580B 702 583 35 50 75 100 35 100 210 175 20 840 RC2 620B 745 619 35 50 75 100 35 100 220 183 ...

Page 6: ... Discharge flange 3 Oil separator 12 Piston rod 21 Male rotor 30 Cable box 4 Motor rotor assembly 13 Bearing seat s cover plate 22 Suction bearings 31 Power bolt 5 Motor stator assembly 14 Modulation solenoid valve 23 Suction bearings inner outer spacer ring 32 Thermostat terminals 6 Motor rotor washer 15 Modulation slide valve 24 Oil guiding ring 33 Motor cable cover plate 7 Motor rotor spacer ri...

Page 7: ...ed ring 28 Suction filter 9 Oil separator cartridge 19 Disc spring 29 Oil heater 10 Piston 20 α Balance piston 30 Refrigeration Lubricant RC2 1020 RC2 1130 RC2 1270 RC2 1530 Construction Figure 5 Item Description Item Description 1 Compressor casing 20 Balance piston 2 Motor casing 21 Bearing slot nut 3 Oil separator 22 Male rotor 4 Motor rotor assembly 23 Suction bearings 5 Motor stator assembly ...

Page 8: ... and α axial balance piston to ensure longer bearing life and higher compressor reliability Double walled rotor housing Double casing structure with high strength inner ribs has been designed to minimize noise and ensure rigidity The rotor housing is made of high strength gray cast iron FC25 that is extremely stable therefore no expansion will occur even at high pressure condition These casings ar...

Page 9: ... the compression chamber increases This means the displacement of refrigerant gas also increases as a result the refrigeration capacity also increases However when any of the step solenoid valve for 3 step 4 step capacity control system is opened the high pressure oil in the cylinder bypasses to the suction side which causes the piston and the slide valve to move toward the left side and then some...

Page 10: ...cylinder through the capillary the high pressured oil in the cylinder bypasses directly into the suction port so the piston is kept in its initial position It is strongly recommended to energize SV25 33 solenoid valve for 1 3 minutes before starting the compressor to ensure the slide valve is in min position b 50 capacity omitted for RC2 100 140 180 When SV50 solenoid valve is energized by the tem...

Page 11: ...min before start and for 60 90 sec before stop 4 Start the compressor at min and SV50 can be energized right after start 2 8 Continuous stepless capacity control system In continuous stepless capacity control system solenoid valve SV2 for loading and solenoid valve SV1 for unloading are equipped to inlet and outlet of piston cylinder respectively These two solenoid valves are controlled by chiller...

Page 12: ...ding SV1 N C OFF LOADING SV2 N C ON Oil bypasses SV1 N C OFF LOADING SV2 N O OFF Oil bypasses b Unloading Standard When NC SV1 is energized but NC SV2 is not energized oil inside piston cylinder will bypass to suction port through NC SV1 Option When both NO SV2 and NC SV1 are energized oil inside piston cylinder will bypass to suction port through NC SV1 SV1 SV2 UNLOADING N C ON Oil bypasses N C O...

Page 13: ...lse time 1 1 5 seconds t2 t4 Pause time 15 20 seconds 2 9 Dual capacity control system optional Figure 16 Dual capacity control No Component No Component No Component 1 Suction filter 7 Discharge bearings 13 Capillary 2 Gas in low pressure 8 Oil separator baffle 14 Solenoid valve 3 Motor 9 Gas out high pressure with oil 15 Solenoid valve 4 Oil filter cartridge 10 Lubricant 16 Solenoid valve 5 Suct...

Page 14: ...io Pd system pressure absolute pressure Pd discharge pressure absolute pressure Ps suction pressure absolute pressure Vs suction volume Vd discharge volume K refrigerant specific heat ratio 2 11 Application limits Application limits of the compressor vary significantly with the type of refrigerant used The operating limits shown below are based on saturated suction and discharge operating conditio...

Page 15: ...ture additional cooling 25 50 75 With Min pressure valve Motor A Motor B 86 30 4 0 68 14 50 68 32 86 104 122 140 158 F 20 30 40 50 60 70 20 10 10 20 0 C Evaporating Temperature Condensing Temperature additional cooling 25 50 75 With Min pressure valve Motor A 86 30 b Application limits of of RC2 1020 RC2 1530 are described on the respective refrigerant charts ...

Page 16: ...election software for application of additional cooling system Hanbell recommends monitoring oil pressure differential and keep it 4 over the suction pressure for adequate seal lubrication and capacity control by pressure differential switch passively or by additional oil pump or minimum pressure valve actively Especially under operation conditions with low condensing temperature and high evaporat...

Page 17: ... 1850 589 823 2470 509 663 1990 487 693 2080 466 617 1850 389 555 1665 RC2 1020A A1 360 583 1750 342 613 1840 330 537 1610 434 763 2290 374 583 1750 358 613 1840 343 537 1610 287 493 1480 RC2 1020A A2 536 753 2260 510 793 2380 491 690 2070 645 945 2835 557 753 2260 533 793 2380 510 690 2070 426 635 1905 RC2 1130A A1 395 583 1750 375 613 1840 362 537 1610 475 763 2290 410 583 1750 393 613 1840 376 ...

Page 18: ...935 2805 582 782 2345 486 717 2150 RC2 1020B B2 684 1085 3255 650 1142 3425 626 920 2760 823 1290 3870 710 1085 3255 680 1142 3425 651 920 2760 544 868 2605 RC2 1130B B1 671 888 2665 637 935 2805 614 782 2345 806 1168 3505 697 888 2665 666 935 2805 638 782 2345 533 717 2150 RC2 1130B B2 766 1085 3255 728 1142 3425 702 920 2760 922 1290 3870 796 1085 3255 762 1142 3425 730 920 2760 609 868 2605 RC2...

Page 19: ...gh operating conditions because high discharge temperature will make viscosity of oil lower Oil return from the evaporator may be insufficient in refrigeration systems flooded chillers etc in which it s difficult for oil to be carried back and it may cause oil loss in the compressor If the system encounters the oil return problem then an extra 2nd oil separator is recommended to be installed betwe...

Page 20: ...change the oil in motor burned out case because acid debris may still remain inside the system Please follow the procedures mentioned above to change oil in the system Check acidity of oil after 72 hours of operation and then change it again until acidity of oil becomes normal 5 Please contact Hanbell local distributors agents for selection of oil 3 3 Oil change 1 Change oil periodically Check lub...

Page 21: ...Make sure that chains cables or other lifting equipments are properly positioned to protect the compressor and its accessories from damaging Keep the compressor in horizontal position when lifting and prevent it from crashing or falling on the ground hitting the wall or any other accident that may damage it or its accessories Figure 19 Lift the compressor with safety ropes Figure 18 Lift the compr...

Page 22: ...uce the vibration on the piping tubes it is recommended to use copper tube to be the suction and discharge piping tubes Copper tubes are better to minimize the vibration in the piping while the compressor is in operation In case steel tubes are used in piping system the suitable welding works are very important to avoid any stress in the piping This inner stress can cause harmonic vibration and no...

Page 23: ...Technical Manual VERSION 2 0 10 18 2018 23 Figure 23 Limits of oblique angle for the installation of the compressor 4 3 RC2 compressor outline drawings 1 RC2 A outline drawings UNIT SI mm Imperial in ...

Page 24: ...Technical Manual VERSION 2 0 10 18 2018 24 UNIT SI mm Imperial in UNIT SI mm Imperial in ...

Page 25: ...Technical Manual VERSION 2 0 10 18 2018 25 SI mm Imperial in UNIT UNIT SI mm Imperial in ...

Page 26: ...Technical Manual VERSION 2 0 10 18 2018 26 SI mm Imperial in UNIT UNIT SI mm Imperial in ...

Page 27: ...Technical Manual VERSION 2 0 10 18 2018 27 UNIT SI mm Imperial in ...

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Page 29: ...Technical Manual VERSION 2 0 10 18 2018 29 UNIT SI mm Imperial in ...

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Page 34: ...Technical Manual VERSION 2 0 10 18 2018 34 UNIT SI mm Imperial in ...

Page 35: ...Technical Manual VERSION 2 0 10 18 2018 35 2 RC2 B outline drawings ...

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Page 44: ...Technical Manual VERSION 2 0 10 18 2018 44 SI mm Imperial in UNIT ...

Page 45: ...Technical Manual VERSION 2 0 10 18 2018 45 Note For RC2 1020B RC2 1130B RC2 1270B and RC2 1530B outline drawing please refer to those of RC2 1020A RC2 1130A RC2 1270A and RC2 1530A ...

Page 46: ...INT69HBY controller IP54 cable box 150W oil heater Oil level switch Oil drain valve Oil temperature sensor Liquid injection system solenoid valve expansion valve Liquid injection system solenoid valve stop valve Horizontal check valve External oil separator External oil filter Oil flow switch Economizer Economizer connection muffler Oil cooler Oil pump Oil filter pressure differential switch conne...

Page 47: ... taper guider inside can simultaneously seal up the precisely machined base of check valve by gravity force to effectively prevent return of high pressured gas to compressor The gravity driven check valve is equipped vertically Due to limitation of space or piping requirements alternative horizontal check valve is also available Figure 24 Suction check valve outline drawing Horizontal type Dia Dim...

Page 48: ...e table below If non standard bushing is needed please double check with Hanbell sales representatives when placing order for compressors No 1 2 3 4 5 6 7 8 Item Body C clipper Spring Valve plate Gasket Nut Guide seat Shaft Standard Discharge Flange Bushing Standard Suction Flange Bushing Steel pipe Copper pipe Steel pipe Copper pipe RC2 100 1 1 2 1 5 8 2 2 1 8 RC2 140 1 1 2 1 5 8 2 2 1 8 RC2 180 ...

Page 49: ...8 90 Steel 2 1 2 77 2 90 Suction Copper 3 1 8 76 145 50 79 8 90 3 5 8 92 4 103 4 1 8 105 1 116 Steel 3 90 2 105 3 1 2 102 8 117 4 115 6 128 RC2 510 RC2 550 RC2 580 Discharge Copper 2 1 8 66 120 45 54 3 65 2 5 8 67 77 3 1 8 79 8 90 Steel 2 1 2 77 2 92 3 90 2 103 Suction Copper 3 1 8 76 145 50 79 8 90 3 5 8 92 4 103 4 1 8 105 1 116 Steel 3 90 2 105 3 1 2 102 8 117 4 115 6 128 RC2 620 Discharge Coppe...

Page 50: ... M20x2 5 160 4 125 145 105 124 146 6 5 171 130 445 201 22 185 M20x2 5 185 Dia Dimensions unit mm A B C D E F G H I J K L 5 30 30 126 194 194 248 230 230 214 338 474 161 Specification of stop valve Maximum working pressure Hydrostatic pressure test Refrigerant Temperature range 28 kg cm G 42 kg cm G HFC HCFC R717 40 C 150 C f INT69HBY control module and PTC temperature sensor In order to protect co...

Page 51: ... red green provides additional information about the motor protector and compressor status 9 The relay is fed out as a N O dry contact which is closed under good conditions 10 Sensor and supply circuits are galvanic isolated 11 The motor protector is not suitable for application of frequency converters Technical data Supply voltage Relay output AC 50 60 Hz 115 120V 15 10 3VA max AC 240V max 2 5A C...

Page 52: ...Please check this triangle mark and modify the oil level switch if needed 3 If you have any other question don t hesitate to contact with Hanbell representatives for help 4 The illustration below show you the outside appearance of our oil level switch Figure 33 Oil level switch on a compressor Figure 34 Oil level switch on an external oil separator i Oil drain valve Oil drain valve is installed in...

Page 53: ...mended Opening ratio of stop valve could not vary with system loading and change of temperature Therefore frequent check of discharge temperature can prevent damage of compressor due to over cooling or insufficient cooling Figure 40 Liquid injection solenoid valve stop valve m Horizontal check valve installation Horizontal check valve is standard accessory of RC2 F Series compressor Considering li...

Page 54: ...gerant inlet 1 1 2 2 2 1 2 3 4 5 6 2 Refrigerant outlet 1 1 2 2 2 1 2 3 4 5 6 3 Oil outlet 5 8 Flare 5 8 Flare 5 8 Flare 1 PF 1 PF 1 1 4 PF 1 1 4 PF 4 Oil charge valve 1 4 Flare 5 High oil S G 1 PCS 6 Low oil S G 1 PCS 7 Oil level switch 1 PCS 8 Oil heater 150W 150W 150W 150W 150W 300W 300W 9 Oil drain valve 1 4 Flare 10 Oil temp protection option 1 8 NPTF 11 Safety valve option 1 2 1 2 1 2 1 1 1 ...

Page 55: ...ressor for safe running of compressor Specification Flow Rate max 50 l m Weight 1 4KG Set Working Pressure 40 bar the weight is not including element Material Aluminum alloy Operating Temp from 25 to 110 Seal VITON Compressor Model Material Code Inlet Size Outlet Size RC2 100 140 180 200 230 260 300 310 320 340 410 430 470 510 3130 3240AA 5 8 5 8 RC2 550 580 620 710 790 830 930 1020 1130 1270 1530...

Page 56: ...recommended to install a muffler and check valve before middle pressure returned gas port in compression chamber to effectively mitigate pulsation noise in middle pressure as shown in the drawing below Figure 47 Installation of ECO muffler r Mounting pad To avoid extra vibration and noise resulted from direct contact between compressor footings and the base on which compressor is mounted it is rec...

Page 57: ...control on off of liquid injection valve accordingly to provide suitable liquid injection as shown in the diagram below s Condensor s Evaporator Dryer Chiller in Chiller out W U Earth Bolt V B Pt100 Pt1000 Optional A PTC Z Y X B A Controller Electric Plate Liquid Injection S V Figure 49 Liquid injection connection diagram 1 Note Hanbell suggests to control temperature of motor coil at 60 not highe...

Page 58: ...t 0 100 0 12 Change of resistance 0 100 0 385 K Insulation test voltage U is AC 1 5kV Specification Pt1000 sensor Recommended max meas Current for heat coefficient 0 1K DC0 2 2mA Sensor resistance at 0 1000 1 20 Change of resistance 0 100 3 85 K Insulation test voltage U is AC 1 5kV Note Please specify Pt100 or Pt1000 sensor when placing orders to Hanbell Figure 52 Pt1000 sensor ...

Page 59: ...re valve the pressure differential can be built shortly after the start up so the capacity control and oil supply to those moving parts won t be a problem Therefore the compressor protection can be achieved In addition to protection function it can also act as check valve to reduce the reverse running time after compressor s stopping Flange on minimum pressure valves are provided for the ease of i...

Page 60: ...Technical Manual VERSION 2 0 10 18 2018 60 ...

Page 61: ... 25 30 35 3 Solenoid valve 50 4 Solenoid valve 75 Capacity control system module A Step less capacity control 1 step less 2 25 30 35 B 4 step capacity control 2 25 30 35 3 50 4 75 C Step less step capacity control 1 2 3 4 Suction Filter Suction filter Flange Cable box Power bolt PTC terminal PTC controller connector Refrigerant service valve Angle valve Oil heater Stop valve Suction port Discharge...

Page 62: ... Liquid injection solenoid valve Liquid injection expansion valve Compression chamber Soleniod valve description 1 Solenoid valve only step less 2 Solenoid valve 25 3 Solenoid valve 50 4 Solenoid valve 75 Capacity control system module A Step less capacity control 1 step less 2 25 B 4 step capacity control 2 25 3 50 4 75 C Dual capacity control 1 2 3 4 Oil cooler in Let 2 4 3 1 Oil cooler out Let ...

Page 63: ...e inductive it turns out run connection Full load Amper Starting Current Time AMP Y shift time 0 25 0 5sec Figure 54 Y Starting diagram Attention After Y start MCM MCS are deductive for 0 25 sec and then MCM MCD are inductive for run Within as transient as 0 25 sec pseudo short circuit might occur due to inappropriate action of contactors causing trip of compressors When it occurs we recommend usa...

Page 64: ...ue Direct on line features The starting equipment consists of only a main contactor and thermal or electronic overload relay During a direct on line start the starting torque is very high and is higher than necessary for most applications The disadvantage with this method is that it gives the highest possible starting current Please refer to the follow diagram for the wiring of DOL starting B Pt10...

Page 65: ...ased each power supply conduit connects to each conductor in correct sequence to ensure equal phase representation as number 1 2 3 in order 5 Use flexible conduit to enhance serviceability and minimize transmission of vibration 6 Size the circuit breaker or fuse according to NEC or local guidelines 7 As install the power supply conduit make sure that its position does not interfere with any compre...

Page 66: ...ntioned found Note when any protection device trips please do troubleshooting and reset manually Do not let the compressor reset automatically after abnormal trip 5 3 Power supply 1 Limitation of power supply a Voltage limitation b Frequency Long term running rated voltage 5 Rated frequency 2 Instant running rated voltage 10 Note In the region where the electricity power is unstable install an add...

Page 67: ...r b Grounding voltage of casing should be no greater than 50V for a humid location the limit is 25V c Grounding resistance should be no greater than 500 Ohm d Air cut board ACB is regularly equipped with electric leak protection Please refer to related settings for its normal action e If electric leak protection is active please check if insulation of equipments is normal and if its wiring and set...

Page 68: ...ve table please also consider the following a It is necessary to pay more attention to the auxiliary facilities while the chiller is commissioning at the job site and the periodic maintenance after the initial start up b For a new chiller with compressor put in stock for a long time it is recommended to add 1 to 1 5 liter of oil in the motor casing to provide better screw rotor lubrication during ...

Page 69: ...otor thermister sensor trip See sudden trip of motor sensor above Incorrect supply power connection Check and re connect Y timer failure Check or replace Discharge or suction stop valve closed Open the stop valve Improper connection between node terminals of Y wiring Check and re connect the wiring Rotor locked Check and repair Earth fault Check and repair Protection device trip Check Abnormal vib...

Page 70: ...o control the suction superheat by means of refrigerant flow rate When the initial startup the loading of the chiller is heavy due to the high temperature of chilled water so the liquid injection devices capacity should be selected or calculated enough to reduce the overheat of the compressor Calculating the cooling capacity of liquid injection devices Liquid injection devices can be calculated wi...

Page 71: ...ay not be turned on although motor load is severe and motor coil temperature is high This may lead to motor failure Therefore in applications mentioned above Pt100 or Pt1000 for liquid injection to motor is recommended instead Figure 61 Liquid injection high temperature type Figure 62 Liquid injection high temperature type connected to motor to compression chamber b Oil cooler applications Compare...

Page 72: ...r Note 1 Please decide appropriate oil cooler capacity by referring to HANBELL selection software 2 The max pressure drop allowed in external oil cooler is 1 5 kg cm2 3 When applying an oil cooler with a compressor please add appropriate refrigeration oil in accordance with the size of oil cooler as well as the length of piping 4 For RC2 100 140 180 their oil circuit design is different from other...

Page 73: ...of efficiency System with Economizer sub cooler With this form of operation a heat exchanger refrigerant sub cooler is used to sub cooled liquid refrigerant The sub cooling is achieved by injecting a part of the refrigerant from the condenser through an expansion device in counter flow into the sub cooler which then evaporates due to the absorption of heat The superheated vapor is pulled into the ...

Page 74: ...n each oil return line to ensure the returned oil in each compressor with normal oil level The basic design of the system is shown in Figure 69 twin compressor parallel system connections The accessories installed are the basic and if there are more applications or protection required contact HANBELL or local distributor agent for more information or further confirmation Figure 71 Parallel system ...

Page 75: ...e compressor compression chamber for pumping down repeatedly b The minimum suction pressure when doing the pump down should be over 15 psig for R 134a and 25 psig for R22 c Take notice of compressor running noise If there is any abnormal noise happened then emergently stop the pump down 2 Long term partial load operation If compressors have to run at partial load below 50 continuously though maybe...

Page 76: ...VI RG RT button of six series of Hanbell compressors 3 After selecting RC2 A will present several function buttons 3 1 choose the unit SI or Imperial default unit is SI 3 2 PERFORMANCE button shows the performance sheet of the compressor The above window is the operating mode of a compressor just key in the following condition and then click the Calculate button Refrigerant type With economizer ye...

Page 77: ...ill show the compressor model and the performance T Data The technical data is the same with function key of technical data 3 4 Print Copying the calculated performance data 3 4 button is for the detailed technical information that the customer needs to know about the compressor 3 5 EXTRA Refrigerant Contrast sheet Pressure Temperature and unit conversion Entering the window it will present the fo...

Page 78: ... 69 0 69 3 70 4 72 0 72 3 73 1 74 1 75 1 75 4 2500 69 0 69 3 70 4 72 0 72 3 73 1 74 1 75 1 75 4 3150 66 2 66 4 67 5 69 0 69 3 70 1 71 0 72 1 72 4 4000 64 7 65 0 66 0 67 5 67 8 68 6 69 5 70 5 70 8 5000 59 1 59 4 60 3 61 7 61 9 62 6 63 4 64 4 64 6 6300 55 9 56 1 57 0 58 3 58 5 59 2 60 0 60 9 61 1 8000 50 2 50 4 51 2 52 4 52 6 53 2 53 9 54 7 54 9 10000 49 6 49 8 50 6 51 7 52 0 52 5 53 2 54 0 54 2 125...

Page 79: ...ty Maintenance The technicians should be familiar with the Hanbell compressor before attempting any maintenance on the unit Periodical check and regular maintenance are very important for the long and trouble free compressor life and for maintaining the warranty The content here is to help the operator and service people to know how the regu lar maintenance can be done and when the suitable time i...

Page 80: ...ssumed to take over all the necessary routine checks Daily check for operation conditions is also very important to have a stable operating system Please refer to the recommended maintenance schedule found on the following pages This schedule is only for the technician s reference and should be considered as the minimum guideline to maintain the system s nor mal operation Technicians still can do ...

Page 81: ... moisture It is also important to keep compressors and systems closed except when work is actually being done on the equipment and to filter out undesirable contaminants This can be achieved with proper installation and service techniques as well as the use of correct filters and driers Once moisture is in the oil it is extremely difficult to remove even under a high vacuum it can take many hours ...

Page 82: ..._______________________ Site Information Installation Site Name _________________________________________________________________________ 8QLW QIRUPDWLRQ 86 6 3 5 7 6 7 25 2035 6625 Model Number Serial Number Type Oil Used Unit Check Points Maintenance Schedule 24 hrs 200 hrs 1000 hrs 2500 hrs 5000 hrs 10000 hrs 15000 hrs 20000 hrs 25000 hrs 30000 hrs Motor Insulation Oil Filter Cartridge Suction ...

Page 83: ...Technical Manual VERSION 2 0 10 18 2018 83 NOTES ...

Page 84: ...Providing HVAC R Control Solutions Worldwide 5580 Enterprise Pkwy Fort Myers FL 33905 Office 239 694 0089 Fax 239 694 0031 www mcscontrols com HANBELL PRECISE MACHINERY CO LTD ...

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Hanbell RC2 Series, Technical Manual

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Summary of Contents for RC2 Series

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