Carrier Aqua Force 30XA Installation, Operation And Maintenance Instructions

Carrier Aqua Force 30XA Installation, Operation And Maintenance Instructions

Air-cooled liquid chillers
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30XA
Air-Cooled Liquid Chillers
Nominal cooling capacity: 270-1670 kW
50 Hz
Installation, operation and maintenance instructions

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Summary of Contents for Carrier Aqua Force 30XA

  • Page 1 30XA Air-Cooled Liquid Chillers Nominal cooling capacity: 270-1670 kW 50 Hz Installation, operation and maintenance instructions...
  • Page 2: Table Of Contents

    Contents 1 - INTRODUCTION ..................................4 1.1 - Installation safety considerations ............................4 1.2 - Equipment and components under pressure ........................4 1.3 - Maintenance safety considerations ............................5 1.4 - Repair safety considerations ..............................5 2 - PRelImINaRy CheCks ..............................6 2.1 - Check equipment received ..............................
  • Page 3 7 - WaTeR CONNeCTIONs ..............................26 7.1 - Operating precautions ................................26 7.2 - Victaulic water connections ..............................27 7.3 - Flow control ................................... .28 7.4 - Evaporator water box bolt tightening..........................28 7.5 - Frost protection ..................................28 7.6 - Operation of two units in master/slave mode ........................29 7.7 - Pump pressure/flow rate curves ............................
  • Page 4: Introduction

    Provide a drain in the discharge circuit, close to each relief valve, to avoid an accumulation of condensate or Carrier strongly recommends employing a specialised rain water. company to unload the machine. Ensure good ventilation, as accumulation of refrigerant...
  • Page 5: Maintenance Safety Considerations

    1.3 - Maintenance safety considerations At least once a year thoroughly inspect the protection devices (valves). If the machine operates in a corrosive Engineers working on the electric or refrigeration compo- environment, inspect the protection devices more frequently. nents must be authorized, trained and fully qualified to do so. Regularly carry out leak tests and immediately repair All refrigerant circuit repairs must be carried out by a trained any leaks.
  • Page 6: Preliminary Checks

    Do not use air for leak testing. Use only refrigerant or dry The refrigerant lines can break under the weight and nitrogen. release refrigerant, causing personal injury. Do not climb on a machine. Use a platform, or staging to Do not unweld or flamecut the refrigerant lines or any work at higher levels.
  • Page 7: Moving And Siting The Unit

    • Confirm that all accessories ordered for on-site WARNING: Never push or lever on any of the enclosure installation have been delivered, and are complete panels of the unit. Only the base of the unit frame is and undamaged. designed to withstand such stresses. The unit must be checked periodically during its whole Checks before system start-up operating life to ensure that no shocks (handling accessories,...
  • Page 8: Dimensions, Clearances

    3 - DIMENsIONs, ClEaRaNCEs 3.1 - 30Xa 252-352 (standard) and 252-302 (option 254/255) 3.2 - 30Xa 402-452 (standard) and 352-452 (option 254/255) legend: NOTE: Drawings are not contractually binding. Before All dimensions are given in mm. designing an installation, consult the certified dimensional Required clearances for maintenance and air flow drawings supplied with the unit or available on request.
  • Page 9: 30Xa 502 (Standard And Option 254/255)

    3.3 - 30Xa 502 (standard and option 254/255) 3.4 - 30Xa 602-802 (standard) and 602-702 (option 254/255) legend: NOTE: Drawings are not contractually binding. Before All dimensions are given in mm. designing an installation, consult the certified dimensional Required clearances for maintenance and air flow drawings supplied with the unit or available on request.
  • Page 10: 30Xa 852-902 (Standard) And 752-852 (Option 254/255)

    3.5 - 30Xa 852-902 (standard) and 752-852 (option 254/255) 3.6 - 30Xa 1002 (standard) and 902-1002 (option 254/255) legend: NOTE: Drawings are not contractually binding. Before All dimensions are given in mm. designing an installation, consult the certified dimensional Required clearances for maintenance and air flow drawings supplied with the unit or available on request.
  • Page 11: 30Xa 1102-1352 (Standard And Option 254/255)

    3.7 - 30Xa 1102-1352 (standard and option 254/255) 3.8 - 30Xa 1402-1502 module 1 (standard and option 254/255) legend: NOTE: Drawings are not contractually binding. Before All dimensions are given in mm. designing an installation, consult the certified dimensional Required clearances for maintenance and air flow drawings supplied with the unit or available on request.
  • Page 12: 30Xa 1402-1502 Module 2 (Standard And Option 254/255)

    3.9 - 30Xa 1402-1502 module 2 (standard and option 254/255) Module 1 3.10 - 30Xa 1702 module 1 (standard and option 254/255) legend: NOTE: Drawings are not contractually binding. Before All dimensions are given in mm. designing an installation, consult the certified dimensional Required clearances for maintenance and air flow drawings supplied with the unit or available on request.
  • Page 13: 30Xa 1702 Module 2 (Standard And Option 254/255)

    3.11 - 30Xa 1702 module 2 (standard and option 254/255) Module 1 legend: NOTE: Drawings are not contractually binding. Before All dimensions are given in mm. designing an installation, consult the certified dimensional Required clearances for maintenance and air flow drawings supplied with the unit or available on request.
  • Page 14: Physical And Electrical Data For 30Xa Units

    4 - PhysICal aND ElECTRICal DaTa fOR 30Xa UNITs 4.1 - Physical data 30Xa - standard units and option 119*** 30Xa 1002 1102 1202 1302 1352 1402 1502 1702 Nominal cooling capacity* Standard unit 1116 1216 1297 1382 1426 1478 1605 Option 119 1000 1147 1247 1354 1442 1468...
  • Page 15: Physical Data 30Xa - Units With Option 254 And 255

    Notes: Unit sizes 30XA 1402 to 1702 are supplied in two field-assembled modules. Option 119 (high energy efficiency) can be used together with options 254 and 255. Contact your Carrier representative to obtain the performances. 4.3 - sound levels 30Xa...
  • Page 16: Short-Circuit Stability Current For All Units

    4.4 - short-circuit stability current for all units 30Xa 1002 1102 1202 1302 1352 1402 1502 1702 short-circuit stability current (TN system)* Circuits A + B** kA 38 Circuits C + D** kA - Units with option 81 Type of system earthing rms value 4.5 - Electrical data 30Xa - standard unit (including option 81) 30Xa...
  • Page 17: Electrical Data 30Xa - Option 119 (Including Option 81)

    4.6 - Electrical data 30Xa - Option 119 (including option 81) 30Xa - option 119 1002 1102 1202 1302 1352 1402 1502 1702 Power circuit Nominal power supply V-ph-Hz 400-3-50 Voltage range V 360-440 Control circuit 24 V via internal transformer Maximum start-up current* Circuit A+B A 274...
  • Page 18: Electrical Data 30Xa - Option 254/255 (Including Option 81)

    4.7 - Electrical data 30Xa - Option 254/255 (including option 81) Option 254: Units with copper/aluminium coils Option 255: Units with copper/aluminium coils without slots 30Xa - option 254/255 1002 1102 1202 1302 1352 1402 1502 1702 Power circuit Nominal power supply V-ph-Hz 400-3-50 Voltage range V 360-440...
  • Page 19: Electrical Data 30Xa - Option 254/255 With Option 119 (Including Option 81)

    4.8 - Electrical data 30Xa - Option 254/255 with option 119 (including option 81) Option 119: High energy efficiency option Option 254: Units with copper/aluminium coils Option 255: Units with copper/aluminium coils without slots 30Xa - option 254/255 with 119 1002 1102 1202 1302 1352 1402 1502 1702 Power circuit Nominal power supply...
  • Page 20: Compressor Electrical Data

    4.9 - Compressor electrical data Compressor I Nom* I Max** lRya lRDa Cosine Cosine std/Option 119 (Un) (Un) (Un) Phi (max.)** Phi (nom.)* 06Tsa155 69/64 0.90 0.87 06Tsa186 87/80 0.89 0.86 06TTa266 128/117 0.90 0.86 06TTa301 142/130 1210 0.90 0.89 06TTa356 163/150 1210...
  • Page 21: Electrical Connection

    • The Carrier 30XA units are designed and built to ensure conformance with Overcurrent protection of the power supply conductors is not provided with the these codes. The recommendations of European standard EN 60 204-1 unit.
  • Page 22: Recommended Wire Sections

    5.4 - Recommended wire sections For 30XA unit sizes 602 to 1702 the control box that includes the power supply cable connection terminal is located in Wire sizing is the responsibility of the installer, and depends the lower part of the unit. In this case the control box is on the characteristics and regulations applicable to each raised by 120 mm compared to the lowest point of the chassis.
  • Page 23: Application Data

    6.2 - Minimum chilled water flow (units without 6 - aPPlICaTION DaTa hydronic module) 6.1 - Operating limits The minimum chilled water flow is shown in the table on Evaporator fluid temperature the next page. If the system flow is less than this, the evapo- °C Minimum Maximum rator flow can be recirculated, as shown in the diagram.
  • Page 24: Variable Flow Evaporator

    6.4 - Variable flow evaporator 6.6 - Maximum system water volume Variable evaporator flow can be used in standard 30XA Units with hydronic module incorporate an expansion chillers. The chillers maintain a constant leaving water tem- tank that limits the water volume. The table below gives perature under all flow conditions.
  • Page 25: Evaporator Pressure Drop Curve

    6.8 - Evaporator pressure drop curve 302-352 6 602 Water flow rate, l/s 802 - 852 1002 1102 1202 1302 1352 - 1402 1502 1702 Water flow rate, l/s...
  • Page 26: Water Connections

    In case additives or other fluids than those recommen- ded by Carrier are used, ensure that the fluids are not considered as a gas, and that they belong to class 2, as defined in directive 97/23/EC.
  • Page 27: Victaulic Water Connections

    7.2 - Victaulic water connections Inlet/outlet diameters without hydronic module 30Xa 252-502 702-902 1002 1102 1202-1302 1352-1502 1702 standard Diameter Outside diameter 141.3 141.3 168.3 219.1 168.3/168.3 168.3/168.3 219.3/168.3 168.3/168.3 Options 5, 6 and 100a Diameter Outside diameter 114.3 141.3 141.3 168.3 141.3/141.3...
  • Page 28: Flow Control

    If adjustment is necessary, it must be carried Damage due to freezing is not covered by the warranty. out by qualified personnel trained by Carrier Service. IMPORTANT: Depending on the climatic conditions in Terminals 34 and 35 are provided for field installation of...
  • Page 29: Operation Of Two Units In Master/Slave Mode

    7.6 - Operation of two units in master/slave mode 30Xa with configuration: leaving water control NOTE: This operating mode is not available for 30XA 1702 units. The control of a master/slave assembly is in the entering water and does not require any additional sensors (standard configuration).
  • Page 30: Pump Pressure/Flow Rate Curves

    7.7 - Pump pressure/flow rate curves low-pressure pumps high-pressure pumps 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Water flow rate, l/s Water flow rate, l/s legend...
  • Page 31: Free-Cooling Option

    8 - fREE-COOlING OPTION 8.1 - Characteristics 30Xa with Option 118a 1002 Operating weight* 3840 3880 3920 4780 4850 5330 6260 6410 6710 7010 7560 7860 8440 Refrigerant charge Circuit A Circuit B Refrigerant charge, option 254 Circuit A Circuit B Standard unit and option 119 Option 118A (free cooling) is not compatible with these units.
  • Page 32: Heat Reclaim Condenser Option

    9 - hEaT REClaIM CONDENsER OPTION 9.1 - Technical data, 30Xa units with heat reclaim condenser option 30Xa heat reclaim mode 1002 Cooling capacity* Heating capacity in heat reclaim mode* kW 1027 1105 1229 Total power input (unit)* Total energy efficiency ratio (EER/COP) kW/kW 3.16/ 3.22/ 3.15/ 3.36/...
  • Page 33 9.2.2 - 30Xa 402-452 - heat reclaim option Ø141.30 2253 4798 2067 1500 4776 9.2.3 - 30Xa 502 - heat reclaim option 141.3 5992 2253 1500 2873 5970 1500 legend: ATTENTION: The Victaulic flange sleeves of the condenser All dimensions are given in mm. are not installed, but supplied with the unit.
  • Page 34 9.2.4 - 30Xa 602-802 - heat reclaim option 141.3 168.3 2253 7186 1500 30XA 602-752 = 2852 30XA 802 = 2838 7164 1500 9.2.5 - 30Xa 852-902 - heat reclaim option Ø 168.3 2253 8380 1500 2836 1500 8358 legend: ATTENTION: The Victaulic flange sleeves of the condenser All dimensions are given in mm.
  • Page 35 9.2.6 - 30Xa 1002 - heat reclaim option 219.1 9574 2253 1500 2832 9552 1500 legend: ATTENTION: The Victaulic flange sleeves of the condenser All dimensions are given in mm. are not installed, but supplied with the unit. The sealing Required clearances for maintenance and air flow joints are in the control box.
  • Page 36: Condenser Location

    9.5 - Operating limits for stable operation (no mode 9.3 - Condenser location changeover) All heat reclaim condensers are located between the air- 9.5.1 - Cooling only mode cooled condensers on the upper part of the chassis, suppor- Please refer to the earlier chapters in this manual: ted by two cross rails.
  • Page 37: Flow Control

    9.7 - flow control The water flow switch supplied needs to be installed at the heat reclaim condenser water inlet and protects the conden- +2.5 K +2,5°C ser loop against low water flow conditions. When the heat +1.25 K +1,25°C reclaim mode is required, a signal from the additional board Setpoint, K output activates the system pump.
  • Page 38: Major System Components And Operation Data

    The 06T screw compressor is approved for use with the fol- dures and by qualified operators. lowing lubricant: CARRIER MATERIAL SPEC PP 47-32. • An indication of any modification or repair must be shown in the monitoring and maintenance file.
  • Page 39: High-Pressure Safety Switch

    Each coatings to which they are applied. This is also the case for motor is fixed with transverse supports. The motors are the products originally supplied by Carrier. three-phase, with permanently lubricated bearings and insulation class F.
  • Page 40 30Xa fan arrangement 30XA 902 30XA 252-352 30XA 352 (options 254/255) 30XA 902 (options 254/255) 30XA 402-452 30XA 1002 30XA 502 30XA 1102 30XA 602 30XA 1202-1302 30XA 702 30XA 1352 30XA 752 - 802 30XA 1402 30XA 752-802 (options 254/255) 30XA 1502 30XA 1702 x.y x = Circuit number...
  • Page 41: Options And Accessories

    11 - OPTIONs aND aCCEssORIEs Options Description advantages Corrosion protection, traditional Factory application of Blygold Polual treatment on the Improved corrosion resistance, recommended 30XA 252-1702 coils copper/aluminium coils for industrial, rural and marine environments Corrosion protection, traditional Fins made of pre-treated aluminium (polyurethane and Improved corrosion resistance, recommended 30XA 252-1702 coils...
  • Page 42: Standard Maintenance

    12 - sTaNDaRD MaINTENaNCE • Check the water connections • Purge the water circuit (see chapter “Water flow control Air conditioning equipment must be maintained by profes- procedure”) sional technicians, whilst routine checks can be carried out • Clean the water filter (see chapter “Water flow control locally by specialised technicians.
  • Page 43: Tightening Torques For The Main Bolts And Screws

    12.5 - Tightening torques for the main bolts and For normal maintenance routines we recommend using 1 kg screws of the concentrated product, diluted to 10%, to treat a coil surface of 2 m . This process can either be carried out using screw type Used for Value...
  • Page 44: Compressor Maintenance

    The switch that has been selected for detecting reverse rotation is Carrier part number HK01CB001. This switch opens the contacts when the pressure falls below 7 kPa. The switch is a manual reset type that can be reset after the pressure has once again risen above 70 kPa.
  • Page 45: Start-Up Checklist For 30Xa Liquid Chillers (Use For Job File)

    13 - sTaRT-UP ChECklIsT fOR 30Xa lIqUID ChIllERs (UsE fOR jOB fIlE) Preliminary information Job name: ....................................... Location: ........................................ Installing contractor:..................................... Distributor: ......................................Unit Model: .................... Compresseurs Circuit a Circuit b Model number ................Model number ................Serial number ................Serial number ................Motor number ................
  • Page 46 WARNING: Operation of the chiller with an improper supply voltage or excessive phase imbalance constitutes abuse which will invalidate the Carrier warranty. If the phase imbalance exceeds 2% for voltage, or 10% for current, contact your local electricity supply at once and ensure that the chiller is not switched on until corrective measures have been taken.
  • Page 48 Order No: 13452-76, 03.2008 - Supersedes order No: 13452-76, 07.2007 Manufacturer: Carrier SCS, Montluel, France. Manufacturer reserves the right to change any product specifications without notice. Printed in the Netherlands.

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