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INSTALLATION, OPERATION AND

M A I N T E N A N C E I N S T R U C T I O N S

Original document

Air-Cooled Screw Chillers

30XB - 30XBP

Unit with options 15 & 23A

Nominal cooling capacity: 270 - 1688 kW - 50Hz

Содержание AquaForce 30XB series

Страница 1: ...INSTALLATION OPERATION AND M A I N T E N A N C E I N S T R U C T I O N S Original document Air Cooled Screw Chillers 30XB 30XBP Unit with options 15 23A Nominal cooling capacity 270 1688 kW 50Hz...

Страница 2: ...UNITS 17 4 1 Physical data 30XB 17 4 2 Physical data 30XBP 21 4 3 Physical data 30XB with option 254 or 255 25 4 4 Short circuit stability current for all units 28 4 5 Electrical data 29 4 6 Compresso...

Страница 3: ...rect drive twin screw compressor with variable capacity slide valve 57 11 2 Pressure vessels 57 11 3 High pressure safety switch 58 11 4 Condensers 58 11 5 Fans 58 11 6 Electronic expansion valve EXV...

Страница 4: ...applies to fuse plugs and relief valves if used in the refrigerant or heat transfer medium circuits Check if the original protection plugs are still present at the valve outlets These plugs are genera...

Страница 5: ...He must have been trained and be familiar with the equipment and the installation All welding operations must be carried out by qualified specialists Any manipulation opening or closing of a shut off...

Страница 6: ...ect the protection devices more frequently Regularly carry out leak tests and immediately repair any leaks Ensure regularly that the vibration levels remain acceptable and close to those at the initia...

Страница 7: ...ly use refrigerant R134a in accordance with 700 AHRI Air conditioning Heating and Refrigertion Institute The use of any other refrigerant may expose users and ope rators to unexpected risks Do not att...

Страница 8: ...Unit leak test pressure Voltage frequency number of phases Maximum current drawn Maximum power input Unit net weight Confirm that all accessories ordered for on site installation have been supplied a...

Страница 9: ...WARNING Never push or lever on any of the enclosure panels of the unit Only the base of the unit frame is designed to withstand such stresses If a unit includes a hydraulic module options 116B C F G t...

Страница 10: ...tioning of the fixing points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to...

Страница 11: ...weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please refer to chapter...

Страница 12: ...ng points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please refer...

Страница 13: ...ning of the fixing points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to wal...

Страница 14: ...ning of the fixing points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to wal...

Страница 15: ...f the fixing points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls ple...

Страница 16: ...er distributor to evaluate the various possible arrangements In certain situations an accessory supplied loose at the time of purchase can be added 3 14 Distance to the wall To ensure correct operatio...

Страница 17: ...6 4929 5060 5358 5669 Unit option 50 3 kg 3370 3404 3425 4102 4245 4601 5551 5782 6065 6382 Compressors 06T semi hermetic screw compressor 50 r s Circuit A 1 1 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1...

Страница 18: ...r heat exchanger Flooded multi pipe type Water volume l 58 61 61 66 70 77 79 94 98 119 Max water side operating pressure without hydraulic module kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000...

Страница 19: ...Compressors 06T semi hermetic screw compressor 50 r s Circuit A 1 1 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 1 1 Circuit C 1 1 Circuit D 1 No of control stages Refrigerant for standard unit 4 R134a C...

Страница 20: ...15 7 15 7 15 7 15 7 15 7 15 7 15 7 Unit option 15LS Maximum total air flow l s 47160 47160 55020 62880 70740 78600 78600 86460 94320 110040 Maximum rotation speed r s 11 7 11 7 11 7 11 7 11 7 11 7 11...

Страница 21: ...424 5707 6018 Compressors 06T semi hermetic screw compressor 50 r s Circuit A 1 1 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 1 1 No of control stages Refrigerant for standard unit 4 R134a Circuit A kg...

Страница 22: ...exchanger Flooded multi pipe type Water volume l 58 61 61 66 70 77 79 94 98 119 Max water side operating pressure without hydraulic module kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 Hydraul...

Страница 23: ...emi hermetic screw compressor 50 r s Circuit A 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 No of control stages Refrigerant for standard unit 4 R134a Circuit A kg 72 69 75 76 76 110 116 132 teqCO2 103 0...

Страница 24: ...11 7 11 7 11 7 11 7 11 7 11 7 11 7 11 7 Water heat exchanger Flooded multi pipe type Water volume l 119 130 140 164 174 180 189 189 Max water side operating pressure without hydraulic module kPa 1000...

Страница 25: ...4261 4324 4776 5578 5692 6386 6675 Compressors 06T semi hermetic screw compressor 50 r s Circuit A 1 1 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 1 1 No of control stages Refrigerant for standard unit...

Страница 26: ...7 11 7 11 7 11 7 Water heat exchanger Flooded multi pipe type Water volume l 58 61 61 66 70 77 79 94 98 119 Max water side operating pressure without hydraulic module kPa 1000 1000 1000 1000 1000 100...

Страница 27: ...06T semi hermetic screw compressor 50 r s Circuit A 1 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 1 Circuit C 1 1 Circuit D 1 No of control stages Refrigerant for standard unit 4 R134a Circuit A kg 130...

Страница 28: ...ed multi pipe type Water volume l 119 130 140 164 174 180 189 240 240 Max water side operating pressure without hydraulic module kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 Water connections with...

Страница 29: ...operating current draw Un 1 30XBP Standard unit A 192 214 236 270 311 341 419 452 507 537 583 622 720 Unit option 15LS A 186 208 230 262 303 333 408 440 495 525 571 610 706 Maximum current Un 10 1 30...

Страница 30: ...92 356 386 390 273 446 Option 081 A 616 666 697 742 780 820 Unit option 15LS Circuit 1 a A 247 263 325 340 372 530 427 Circuit 2 a A 344 374 340 370 372 260 427 Option 081 A 590 637 665 710 745 782 Ma...

Страница 31: ...2 Standard unit Circuit 1 a A 587 587 629 629 629 954 812 Circuit 2 a A 629 629 629 629 629 477 812 Option 081 A 1046 1095 1095 1130 1134 1431 Option 081 Opt 25c 802 820 844 862 862 Unit option 15LS C...

Страница 32: ...346 376 379 Option 081 A 600 648 677 722 758 Unit option 15LS Circuit 1 a A 244 260 321 336 368 Circuit 2 a A 335 363 330 360 361 Option 081 A 584 630 657 702 736 Maximum operating current draw Un 1...

Страница 33: ...t up current Un 2 Standard unit Circuit 1 a A 580 580 619 619 618 Circuit 2 a A 620 618 619 619 618 Option 081 A 1030 1077 1075 1110 1112 Option 081 Opt 25c A 786 801 5 824 841 5 839 5 Unit option 15L...

Страница 34: ...220 245 278 319 352 430 464 522 552 601 643 743 Unit option 15LS A 188 210 234 265 306 338 412 445 502 532 580 621 717 Maximum current Un 10 1 Standard unit A 198 220 245 278 319 352 430 464 522 552 6...

Страница 35: ...d unit Circuit 1 a A 261 274 341 356 390 543 446 Circuit 2 a A 364 392 356 386 390 273 446 Option 081 A 625 666 697 742 780 820 Unit option 15LS Circuit 1 a A 247 265 325 340 372 530 427 Circuit 2 a A...

Страница 36: ...current locked rotor current or reduced start up current of the largest compressor 3 Standardised EUROVENT conditions water cooled exchanger water inlet outlet 12 C 7 C outdoor air temperature 35 C a...

Страница 37: ...st not be connected directly to the unit if necessary use a transformer 4 Overcurrent protection of the power supply conductors is not provided with the unit 5 The factory installed disconnect switch...

Страница 38: ...l load and nominal voltage 88 1 89 4 89 4 90 1 91 3 91 3 1 Nominal efficiency at 75 full load and nominal voltage 88 0 88 9 88 9 89 7 91 4 91 4 1 Nominal efficiency at 50 full load and nominal voltage...

Страница 39: ...switch are designed for the number and type of wires listed in column 2 of the table on the next page The calculations are based on the maximum machine current see electrical data tables The calculati...

Страница 40: ...phase m Standard unit 250 2 185 1 x 95 190 XLPE Cu 2 x 95 450 PVC Cu 300 2 185 1 x 95 190 XLPE Cu 2 x 95 420 PVC Cu 350 2 185 1 x 120 197 XLPE Cu 2 x 95 390 PVC Cu 400 2 185 1 x 150 200 XLPE Cu 2 x 1...

Страница 41: ...8 10 Condenser air temperature Minimum Maximun Storage 20 68 Operation standard unit 10 55 2 With winter operation option option 28 20 55 2 With Low noise option option 15LS 10 52 2 Note If the air te...

Страница 42: ...below Connection to a buffer tank Bad Bad Good Good 6 6 Maximum system water volume Units with hydraulic module incorporate an expansion tank that limits the water volume The table below gives the max...

Страница 43: ...6 500 7 600 Water flow rate l s Pressure drop kPa 1 3 7 4 5 2 6 10 100 10 Sizes 700 1700 Legend 1 700 2 750 3 800 4 850 5 900 6 1000 7 1100 8 1200 9 1300 10 1400 11 1500 12 1550 13 1700 Water flow ra...

Страница 44: ...ge fluid is compatible with the materials and the water circuit coating The use of different metals on hydraulic piping could generate eletrolytic pairs and consequently corrosion Verify then the need...

Страница 45: ...6 6 6 6 6 8 5 6 6 Actual outside diameter mm 141 3 141 3 168 3 168 3 168 3 168 3 168 3 168 3 219 1 141 3 168 3 168 3 Options 100C Nominal diameter in 6 6 8 Actual outside diameter mm 168 3 168 3 219...

Страница 46: ...K below the lowest temperature likely to occur at the installation site If the unit is not used for an extended period it is recommended to drain it and as a safety precaution add ethylene glycol to t...

Страница 47: ...XB XBP 400 5 30XB XBP 450 6 30XB XBP 500 1 30XB XBP 250 2 30XB XBP 300 3 30XB XBP 350 4 30XB XBP 400 5 30XB XBP 450 6 30XB XBP 500 Single pump low pressure 0 20 40 60 80 100 120 140 160 180 200 3 5 7...

Страница 48: ...e maximum water flow is reduced When the glycol is used it s limited to 40 Available static pressure kPa Water flow rate l s Low pressure pumps options 116F 116G 252 302 350 400 450 500 0 10 20 30 40...

Страница 49: ...alve 8 Free cooling expansion device EXV 9 Refrigerant pump The change over between the cooling and free cooling modes is automatically controlled it is possible to block the change over to free cooli...

Страница 50: ...unit The sealing joints are in the control box The temperature sensors and the condenser flow switch are wired and fixed in the machine They must be installed as described in the chapter Condenser wat...

Страница 51: ...fixing points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please r...

Страница 52: ...he fixing points weight distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please...

Страница 53: ...distribution and centre of gravity coordinates please refer to the dimensional drawings If the installation includes several units or if this these is are close to walls please refer to chapters 3 11...

Страница 54: ...laim at low entering water temperature 12 5 C It also ensures an optimal and controlled leaving water temperature 9 5 Operating limits for stable operation no mode changeover 9 5 1 Cooling only mode P...

Страница 55: ...anges may lead to higher sound levels than the levels at stable operation Depending on the mode selected heat reclaim or cooling the logic compares the water entering temperature required with the set...

Страница 56: ...has been selected the fans with available pressure are equipped with discharge connection flanges to facilitate the duct connection NOTE Each fan must be individually ducted 10 FANS WITH AVAILABLE PR...

Страница 57: ...of re testing please refer to the maximum operating pressure given on the unit nameplate The reports of periodical checks by the user or operator must be included in the supervision and maintenance f...

Страница 58: ...on the pressure switch and push the reset button in this location These pressure switches are located at the discharge of each compressor 11 4 Condensers 30XB coils are all aluminium micro channel co...

Страница 59: ...element A difference in tempera ture between the filter inlet and outlet shows that the element is dirty 11 9 Sensors The units use thermistors to measure the temperature and pressure transducers to...

Страница 60: ...1 5 1 6 1 2 1 3 1 7 1 4 1 8 2 7 2 5 2 8 2 4 2 7 2 5 2 3 2 2 2 6 2 1 2 6 30XBP 1200 30XB 1200 option 254 255 1 1 1 5 1 6 1 2 1 3 1 7 1 4 1 8 2 8 2 5 2 8 2 4 2 7 2 5 2 3 2 2 2 6 2 1 2 6 2 7 30XB XBP 130...

Страница 61: ...and piping protection against impacts 30XB 30XBP 250 1700 Enclosure panels 23A Side enclosure panels at each end of the coil Improves aesthetics coil and piping protection against impacts 30XB 30XBP 2...

Страница 62: ...ralian code Conformance with Australian regulations 30XB 30XBP 250 1700 Power factor correction 231 Capacitors for automatic regulation of power factor cos phi value to 0 95 Reduction of the apparent...

Страница 63: ...the water connections Purge the water circuit Clean the water filter Fully clean the condensers with a low pressure jet and a bio degradable cleaner counter current cleaning see chapter 13 6 2 Level...

Страница 64: ...l of harmful residue will increase the operating life of the coils and the unit The maintenance and cleaning procedures below are part of the regular maintenance and will prolong the life of the coils...

Страница 65: ...he water side connections are clean and show no sign of leakage 13 8 Compressor maintenance 13 8 1 Oil separator Check the correct operation of the heaters and check that they are well attached to the...

Страница 66: ...tact block Connection of the contactor or current transformer 1 2 2 1 Power supply bus bar with riveted contact block 2 Contactor or current transformer connection zone 13 10 Check of power factor cor...

Страница 67: ...onnected Electrical circuit protection has been sized and installed properly All terminals are tight All chilled water valves are open All chilled water piping is connected properly All air has been v...

Страница 68: ...l corrective measures have been taken Check cooler water loop Water loop volume litres Calculated volume litres 3 25 litres nominal kW capacity for air conditioning 6 5 litres nominal kW capacity for...

Страница 69: ......

Страница 70: ...No 10224 11 2017 Supersedes order No 10224 09 2017 Manufacturer Carrier SCS Montluel France Manufacturer reserves the right to change any product specifications without notice Printed in the European...

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