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CONTENTS

1 - INTRODUCTION ..................................................................................................................................................................... 4

1.1 - Installation safety considerations ........................................................................................................................................... 4

1.2 - Equipment and components under pressure ........................................................................................................................ 5

1.3 - Maintenance safety considerations ........................................................................................................................................ 5

1.4 - Repair safety considerations ................................................................................................................................................... 7

2 - PRELIMINARY CHECKS ...................................................................................................................................................... 8

2.1 - Check equipment received ...................................................................................................................................................... 8

2.2 - Moving and siting the unit ....................................................................................................................................................... 8

3 - DIMENSIONS, CLEARANCES ........................................................................................................................................... 10

3.1 - 30XA 252-352 - MCHE heat exchanger (standard) and 30XA 252-302 - Cu/Al heat exchanger (option 254/255) .. 10

3.2 - 30XA 402-452-504 - MCHE heat exchanger (standard) and 352-452 - Cu/Al heat exchanger (option 254/255) ......... 10

3.3 - 30XA 502 MCHE heat exchanger (standard) and 30XA 502 Cu/Al heat exchanger (option 254/255) ..............................11

3.4 - 30XA 602-802-854-904 MCHE heat exchanger (standard) and 30XA 602-702 Cu/Al heat exchanger

(option 254/255) ......................................................................................................................................................................................11

3.5 - 30XA 852-902 MCHE heat exchanger (standard) and 30XA 752-852 Cu/Al heat exchanger (option 254/255) ..............12

3.6 - 30XA 1002 MCHE heat exchanger (standard) and 30XA 902-1002 Cu/Al heat exchanger (option 254/255) ..................12

3.7 - 30XA 1112, 1212, 1312, 1382 MCHE heat exchanger (standard) and 30XA 1112, 1212, 1312, 1382

Cu/Al heat exchanger (option 254/255) ............................................................................................................................... 13

3.8 - 30XA 1402-1502 module 1/2 - MCHE heat exchanger (standard) and 30XA 1402-1502 module 1/2 -

Cu/Al heat exchanger (option 254/255) .............................................................................................................................................14

3.9 - 30XA 1402-1502 module 2/2 - MCHE heat exchanger (standard) and 30XA 1402-1502 module 2/2 -

Cu/Al heat exchanger (option 254/255) .............................................................................................................................................14

3.10 - 30XA 1702 module 1/2 - MCHE heat exchanger (standard) and 30XA 1702 module 1/2 -

Cu/Al heat exchanger (option 254/255) ...........................................................................................................................................15

3.11 - 30XA 1702 module 2/2 - MCHE heat exchanger (standard) and 30XA 1702 module 2/2 -

Cu/Al heat exchanger (option 254/255) ...........................................................................................................................................15

3.12 - Multiple chiller installation ................................................................................................................................................. 16

3.13 - Distance to the wall .............................................................................................................................................................. 16

4 - PHYSICAL AND ELECTRICAL DATA FOR 30XA UNITS ........................................................................................ 17

4.1 - Physical data 30XA 252-852 - standard units and units with option 119* ....................................................................... 17

4.1 - Physical data 30XA 904-1702 - standard units and units with option 119* (continued) .............................................. 18

4.2 - Physical data 30XA 252-902 - units with option 254 and 255**........................................................................................ 19

4.2 - Physical data 30XA 1002-1502 - units with option 254 and 255** (continued) .............................................................. 20

4.3 - Short-circuit stability current for all units ........................................................................................................................... 20

4.4 - Electrical data ......................................................................................................................................................................... 21

4.4 - Electrical data (continued).................................................................................................................................................... 22

4.4 - Electrical data (continued) ................................................................................................................................................... 23

4.4 - Electrical data (continued) ................................................................................................................................................... 24

4.5 - Compressor electrical data .................................................................................................................................................... 25

4.6 - Compressor usage per circuit (A, B, C, D) .......................................................................................................................... 25

4.7 - Electrical data, optional hydronic module .........................................................................................................................................26

5 - ELECTRICAL CONNECTION ............................................................................................................................................ 27

5.1 - Power supply ........................................................................................................................................................................... 27

5.2 - Voltage phase imbalance (%) ............................................................................................................................................... 27

5.3 - Power connection/disconnect switch .................................................................................................................................... 27

5.4 - Recommended wire sections ................................................................................................................................................ 27

5.5 - Power cable entry ................................................................................................................................................................... 27

5.6 - Field control wiring ................................................................................................................................................................ 28

6 - APPLICATION DATA ........................................................................................................................................................... 29

6.1 - Operating range ...................................................................................................................................................................... 29

6.2 - Minimum chilled water flow (units without hydronic module)

........................................................................................ 29

6.3 - Maximum chilled water flow (units without hydronic module)

....................................................................................... 29

6.4 - Variable flow evaporator

....................................................................................................................................................... 30

6.5 - System minimum water volume ........................................................................................................................................... 30

6.6 - Maximum system water volume ........................................................................................................................................... 30

6.7 - Evaporator water flow rate

................................................................................................................................................... 30

6.8 - Evaporator pressure drop curve ........................................................................................................................................... 31

Содержание Aquaforce 30XA Series

Страница 1: ...INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Air Cooled Screw Chillers 30XA A Nominal cooling capacity 267 1682 kW 50 Hz Unit with options 23A 258 and 279 Original document...

Страница 2: ...XA 1702 module 1 2 MCHE heat exchanger standard and 30XA 1702 module 1 2 Cu Al heat exchanger option 254 255 15 3 11 30XA 1702 module 2 2 MCHE heat exchanger standard and 30XA 1702 module 2 2 Cu Al he...

Страница 3: ...control 42 9 8 Heat reclaim operation 42 9 9 Condenser pump selection 42 9 10 Frost protection 43 10 FANS WITH AVAILABLE PRESSURE OPTION 10 43 11 MAJOR SYSTEM COMPONENTS AND OPERATION DATA 43 11 1 Dir...

Страница 4: ...e unit The units can also be lifted with slings using only the designated lifting points marked on the unit These units are not designed to be lifted from above Use slings with the correct capacity an...

Страница 5: ...d documentation supplied with the products These units are intended to be stored and operated in an environment where the ambient temperature must be not less than the lowest allowable temperature ind...

Страница 6: ...option 231 are equipped with capacitor batteries with a discharge time of five 5 minutes after disconnecting the power After disconnecting the power to the control box wait five minutes before opening...

Страница 7: ...ny spills from the skin with soap and water If liquid refrigerant enters the eyes immediately and abundantly flush the eyes with water and consult a doctor The accidental releases of the refrigerant d...

Страница 8: ...replacement Consult the list of replacement parts that corresponds to the specification of the original equipment Do not drain water circuits containing industrial brines without informing the technic...

Страница 9: ...ever 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 hydronic module options 116B C F G the hydroni...

Страница 10: ...nit For options 5 6 100A 100C 107 refer to the certified drawing Air outlet do not obstruct Power supply and control connection Control circuit connection for option 158 NOTES Drawings are not contrac...

Страница 11: ...ions 5 6 100A 100C 107 refer to the certified drawing Air outlet do not obstruct Power supply and control connection Control circuit connection for option 158 NOTES Drawings are not contractually bind...

Страница 12: ...ons 5 6 100A 100C 107 refer to the certified drawing Air outlet do not obstruct Power supply and control connection Control circuit connection for option 158 NOTES Drawings are not contractually bindi...

Страница 13: ...C NOTES Drawings are not contractually binding Before designing an installation consult the certified dimensional drawings available on request For the positioning of the fixing points weight distrib...

Страница 14: ...ler installation and 3 13 Distance to the wall of this document to determine the space required 3 9 30XA 1402 1502 module 2 2 MCHE heat exchanger standard and 30XA 1402 1502 module 2 2 Cu Al heat exch...

Страница 15: ...or option 158 NOTES Drawings are not contractually binding Before designing an installation consult the certified dimensional drawings available on request For the positioning of the fixing points wei...

Страница 16: ...t your Carrier distributor to evaluate the various possible arrangements In certain situations an accessory supplied loose at the time of purchase can be added 3 13 Distance to the wall To ensure corr...

Страница 17: ...8 20 8 20 8 23 5 23 5 23 5 23 5 23 5 23 5 Capacity control Touch Pilot electronic expansion valve EXV Minimum capacity 15 15 15 15 15 15 15 15 15 15 15 15 15 Condensers All aluminium microchannel heat...

Страница 18: ...D kg 63 teqCO2 90 1 Oil charge Circuit A l 27 6 27 6 27 6 27 6 27 6 36 36 27 6 27 6 27 6 Circuit B l 27 6 27 6 27 6 36 36 36 36 27 6 27 6 23 5 Circuit C l 27 6 27 6 27 6 Circuit D l 23 5 Capacity con...

Страница 19: ...5 23 5 23 5 23 5 23 5 27 6 Circuit C l Circuit D l Capacity control Touch Pilot electronic expansion valve EXV Minimum capacity 15 15 15 15 15 15 15 15 15 15 15 15 Condensers Copper aluminium coil Fa...

Страница 20: ...screw compressors 50 r s Circuit A 1 1 1 1 1 1 1 1 Circuit B 1 1 1 1 1 1 1 1 Circuit C 1 1 1 Circuit D 1 Oil charge Circuit A l 27 6 27 6 36 36 36 27 6 27 6 27 6 Circuit B l 27 6 36 36 36 36 27 6 27...

Страница 21: ...3 1039 1103 1118 1125 1143 Cosine Phi maximum 0 86 0 87 0 86 0 87 0 87 0 87 0 86 0 87 0 87 Cosine Phi nominal 0 85 0 85 0 85 0 86 0 87 0 87 0 86 0 85 0 85 Maximum power input Circuit 1 kW 359 420 182...

Страница 22: ...60 Circuit 2 A 772 772 772 772 587 587 760 Option 81 A 1031 1047 1113 1128 1122 1133 Cosine Phi maximum 0 85 0 85 0 86 0 86 0 87 0 87 0 87 0 86 0 86 0 86 Cosine Phi nominal 0 84 0 84 0 84 0 84 0 84 0...

Страница 23: ...772 772 845 865 761 Circuit 2 A 772 772 772 772 587 587 761 Option 81 A 1023 1039 1103 1118 1125 1143 Cosine Phi maximum 0 87 0 86 0 87 0 87 0 87 0 86 0 87 0 87 Cosine Phi nominal 0 85 0 85 0 86 0 87...

Страница 24: ...t 1 A 860 587 587 772 772 845 860 760 Circuit 2 A 772 772 772 772 587 587 760 Option 81 A 1031 1047 1113 1128 1122 1133 Cosine Phi maximum 0 86 0 86 0 87 0 87 0 87 0 86 0 86 0 86 Cosine Phi nominal 0...

Страница 25: ...characteristics used for the operation of the machines 1 Environment Environment as classified in EN 60364 corresponds to IEC 60364 Outdoor installation Ambient temperature range from 20 C to 55 C Alt...

Страница 26: ...at full load and nominal voltage 86 1 88 6 88 6 90 1 91 3 91 3 1 Nominal efficiency at 75 rated load and nominal voltage 86 3 88 5 88 5 89 7 91 4 91 4 1 Nominal efficiency at 50 rated load and nominal...

Страница 27: ...lator 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 cal...

Страница 28: ...LPE Cu 904 2 x 240 2 x 185 205 XLPE Cu Not compatible 902 2 x 240 2 x 185 205 XLPE Cu Not compatible 1002 4 x 300 2 x 240 205 XLPE Cu 4 x 185 320 XLPE Cu Circuits A and B C common routing 1112 2 x 240...

Страница 29: ...culated as shown in the diagram For minimum chilled water flow rate 1 Evaporator 2 Recirculation 6 3 Maximum chilled water flow units without hydronic module The maximum chilled water flow is shown in...

Страница 30: ...buffer tank Bad Bad Good Good 6 6 Maximum system water volume Units with hydronic module incorporate an expansion tank that limits the water volume The table below gives the maximum loop volume for pu...

Страница 31: ...1 702 2 752 3 802 4 854 852 5 904 902 6 1002 7 1112 8 1212 9 1312 10 1382 11 1402 12 1502 13 1702 Water flow rate l s Pressure drop kPa 1 2 4 5 6 9 8 10 3 7 11 13 12 100 100 10 10 10 100 10 252 302 35...

Страница 32: ...ible 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 to install sacrif...

Страница 33: ...tions 5 6 and 100A Nominal diameter in 5 6 6 6 6 6 8 5 8 5 6 6 Actual outside diameter mm 141 168 3 168 3 168 3 168 3 168 3 219 1 141 3 219 1 141 3 168 3 168 3 Option 100C Nominal diameter in 6 8 Actu...

Страница 34: ...re of 10 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 gl...

Страница 35: ...required kPa abs Water flow rate l s 7 7 2 Net positive suction head NPSH required hydronic module option Size the hydronic circuit to ensure a net positive suction head that is higher than or equal...

Страница 36: ...separator 5 Principal electronic expansion valve EXV 6 Pressure and temperature measurement to calculate the sub cooling upstream of the pump 7 Motorised two way bypass valve 8 Free cooling expansion...

Страница 37: ...nit 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 wate...

Страница 38: ...eight 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...

Страница 39: ...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 chapte...

Страница 40: ...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 Multiple chi...

Страница 41: ...enser Legend 1 Heat reclaim condenser 2 Entering water temperature sensor supplied 3 Leaving water temperature sensor supplied 4 Condenser water flow switch supplied 5 Three way valve not supplied 9 4...

Страница 42: ...om heat exchange at the air condenser to heat exchange at the water condenser and vice versa is ensured by motorised two way valves located upstream of the air and water condensers Setpoint C Condense...

Страница 43: ...eral Monitoring during operation re qualification re testing and re testing dispensation Follow the regulations on monitoring pressurised equipment It is normally required that the user or operator se...

Страница 44: ...oling of the rest of the flow that penetrates the evaporator via the prin cipal EXV This permits increasing the cooling capacity of the system as well as its efficiency 11 3 High pressure safety switc...

Страница 45: ...on the compressor economiser discharge and suction lines ATTENTION The compressor suction valve must be used without pressure difference at the terminals If there is a pressure difference leak tightne...

Страница 46: ...702 904 1 1 1 4 1 5 1 2 1 3 1 6 2 3 2 6 2 2 2 5 2 1 2 4 1 1 1 5 1 6 1 2 1 3 1 7 1 4 1 8 2 6 2 2 2 5 2 1 2 4 2 3 30XA 1112 1 1 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 3...

Страница 47: ...pplementary water outlet temperature sensor kit to be field installed allowing master slave operation of two units connected in parallel Optimised operation of two chillers connected in parallel with...

Страница 48: ...insulation of the evaporator entering leaving refrigerant lines with flexible anti UV insulant Prevents condensation on the evaporator entering leaving refrigerant lines 252 1702 Low noise level 257 S...

Страница 49: ...ntion on the refrigerant circuit handling refrigerant Changing of parameters set at the factory application change Removal or dismantling of the HVAC unit Any intervention due to a missed established...

Страница 50: ...l 6 1 Torque application to tighten the lug 2 Avoid contact between the two nuts 3 Lug tightening nut 4 Flat lug 5 Counter nut 6 Terminal tightening nut 7 Isolator 13 5 Tightening torques for the main...

Страница 51: ...the coil surface or wedged between the chassis and the supports Provide personal protection equipment including safety glasses and or a face mask waterproof clothing and safety gloves It is recommend...

Страница 52: ...sure drop across the filter can be determined by measuring the pressure at the filter service port and the oil pressure port The difference in these two pressures will be the pressure drop across the...

Страница 53: ...g has been sized and installed properly Unit ground wire has been connected Electrical circuit protection has been sized and installed properly All terminals are tight All chilled water valves are ope...

Страница 54: ...he chiller is not switched on until 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...

Страница 55: ......

Страница 56: ...es order No 13452 76 12 2014 Manufacturer Carrier SCS Montluel France Manufacturer reserves the right to change any product specifications without notice Printed in the European Union www eurovent cer...

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