YCSE Water Cooled Liquid Chillers

YCSE/YCREWATER ANDREMOTE AIRCOOLED LIQUIDCHILLERR407C REFRIGERANTCOOLING CAPACITIES126 kW to 316 kWYORK YCSE Water Cooled Liquid Chillersare a compact design suitable for chilledwater or glycol cooling. YCRE models arefor applications where remote condensersare necessary.They are designed to be located inside aplant room and require a cooling tower ordry cooler for heat rejection.Units are available with one or twoindependent refrigerant circuits with asingle evaporator and on YCSE models asingle condenser.The units utilise advanced electroniccontrol to position the variable capacitycontrol slide valve within eachcompressor. This ensures exact loadcontrol, accurate chilled watertemperature control and improved partload performance.CONTENTSSpecificationControlsOperating LimitationsAccessories and OptionsRefrigeration Flow DiagramSelection GuideFouling FactorsPressure Drop CalculationsGlycol Application FactorsPressure Drop GraphsCooling CapacitiesPart Load PerformancePhysical DataAcoustic DataElectrical DataElectrical ConnectionsDimensionsSpace RequirementsWeight Distribution andCentre of GravityYCSE/YCRE Model 040 050 060 080 100Cooling Capacity (YCSE) kW 126 158 194 252 316Cooling Capacity (YCRE) kW 120 145 180 240 290YCSE: Cooling capacities at 7°C leaving chilled water temperature and 35°C leavingcondenser water temperatureYCRE: Cooling capacities at 7°C leaving chilled water temperature and 45°Ccondensing temperatureAVAILABLE MODELS & NOMINAL COOLING CAPACITIES TABLE 1FEATURESSmall footprint and compact designModels with two refrigerant circuits.Single power and control supplies.Full factory run test.Accessible components.Microprocessor control with visual displayof operating parameters and alarms.Manufactured to ISO 9001/EN 29001.Painted galvanised steel framework.Low sound operation.Star delta starter.Plate heater exchangers.BENEFITSIdeal replacement for existing chillers inrefurbished buildings.System stand-by security.Easy to install.Operating quality control.Ideal for maintenance operations.Simple operation.High standard of quality control.Durable and corrosion resistant.No additional sound proofing required.Low inrush current.Low unit refrigerant volume.SPECIFICATIONThe unit shall be completely factory assembled with all interconnecting refrigerantpiping and wiring ready for field installation. After assembly the YCSE units shall befully tested with water flowing through the evaporator and condenser. The unit shallbe pressure tested, evacuated and fully charged with refrigerant and oil. YCRE unitsshall be pressure tested, evacuated and filled with 0.35 bar g pressure of nitrogenper independent circuit.The unit base and frame shall be of heavy gauge galvanised steel fastened withstainless steel nuts and bolts. Steel parts shall be electrostatically painted inCarribean Blue.Compressor(s)The screw compressor(s) will have twin screw rotors and solenoid valve capacitycontrol. A built-in oil separator, oil sight glass, oil heater and suction filter shall beincluded.The compressor will have a reliable two pole motor with overcurrent and thermostatprotection. Star/delta starting is utilised.YCSE WATER COOLED LIQUID CHILLERPage C.1Doc. No. PC154-100 Rev 1(0905)

Evaporator and CondenserThe evaporator and condenser shall be stainless steel plate typeheat exchangers thermally insulated with flexible closed cellmaterial. Design working pressure 10 bar g on the water sideand 30 bar g on the refrigerant side. For YCRE units watercooled condensers shall be factory removed. Remote air-cooledcondenser to be supplied by others.Refrigerant Circuit(s)Refrigerant circuit(s) shall be provided, each circuit shall include:a check valve, liquid line stop valve with charging port, drier, asight glass and a thermostatic expansion valve.Power and Control PanelAll controls and motor starting equipment necessary for full unitoperation shall be factory wired and tested. The panel shall bedesigned to IP34 weather protection.The panel shall contain compressor contactors, fuses andprotection devices, and the electronic circuit boards, push buttonswitches and display for controlling operation and display ofalarms and stops.A terminal block is provided for interface with customer controlsand equipment.FIGURE 1CONTROLSLEDPUSHBUTTONSWITCH7 SEGMENTSMAIN SWITCHBMS InterfaceTo integrate the unit into the building management system. Theinterface permits the connection of up to 4 units using the Loncommunications protocol (Lon Works).Central Station (CSC-5S)Provides individual control and monitoting for up to 8YCSE/YCRE units within the air conditioning system. Thisallows the units to be managed remotely from the plant room.Compressor Circuit BreakersCircuit breakers to replace the standard fuses for protectionagainst over current. The breakers provide more precisemonitoring than fuses and easy reset after fault.ACCESSORIES AND OPTIONSGlycol CoolingFactory set-up for applications requiring water outlettemperatures below 5°C: Category 1: Outlet temperature 0 to4°C; Category 2: Outlet temperature -1 to - 5°C and Category 3:Outlet temperature - 6 to - 10°C. The system must have thecorrect percentage weight of glycol added, refer to glycolapplication factors.Discharge and/or Suction Stop ValvesFactory fitted valve(s) to allow refrigerant isolation duringservicing.Compressor Safety Valve(s)Factory fitted single or dual compressor safety valve(s).Differential Water Pressure Switch(es)Differential pressure switches between the water inlet andoutlets to ensure liquid flow during operation.Flow Switch(es)Field installed flow switches to ensure liquid flow duringoperation.Suction Pressure Relief ValvesAdditional pressure relief valve on suction side of compressorwhen required.Dual Pressure Relief ValvesTwo safety valves in parallel of which one is operational to assistin valve replacement during maintenance.PN16 FlangesWelded PN16 flanges on the water connections with gasketseals.AVM RubberRubber anti-vibration pads underneath the unit to avoidtransmission of vibration to the plant room structure.High Condensing Water TemperaturesFactory set-up for applications requiring condensing watertemperatures above 45°C. Enables higher condenser watertemperatures up to 55°C, on dry cooler applications wherecondenser size is important.Page C.2Doc. No. PC154-100 Rev 1(0905)

OPERATING LIMITATIONS TABLE 2YCSE/YCRE-SB 040 050 060 080 100Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.Chilled Evaporator Water outlet °C 5 to 15Liquid outlet Brine outlet °C 15 to -10 (1)temperature Temp. spread °C 4 to 8Flow rate (YCSE) l/s 4.5 10.0 5.7 12.6 6.9 15.4 9.0 20.1 11.3 25.2Pressure drop (YCSE) kPa 17.1 75.2 16.8 75.4 16.2 74.1 27.7 128.3 34.3 160.6Flow rate (YCRE) l/s 4.3 9.6 5.2 11.6 6.4 14.3 8.6 19.1 10.4 23.1Pressure drop (YCRE) kPa 15.6 68.7 14.2 64.2 14.1 64.3 25.3 116.9 29.0 136.1Max. working pressure bar 10Cooling Liquid outlet Water outlet °C 22 to 55 (2)Liquid temperature Temp. spread K 2 to 10(YCSE) Flow rate l/s 3.8 12.6 4.7 15.8 5.8 19.4 7.5 25.1 9.5 31.5Pressure drop kPa 10.1 96.5 10.9 106.5 10.5 103.2 17.2 174.9 21.9 227.1Max. working pressure bar 10Power supply voltage 400 V, 3 Ø, 50 Hz V 360 to 440Recommended chilled system volume (3)l 750 750 910 1500 1500(1) Refer to Accessories and Options for further details.(2) Standard outlet temperature is 45°C, refer to Accessories and Options for further details.(3) Based on 2°C On/Off differential. System volume should be increased if differential is lowered.(1) The recommended volume ensures a minimum of 5 minutes cooling without interruption.REFRIGERANT FLOW DIAGRAM (YCSE-SB)Condensing Water OutletOptionCondensing Water InletOptionOptionOptionOptionChilledWater InletChilledWater OutletFlange ConnectionFlare ConnectionSolder ConnectionRefrigerant CycleNo. Name No. Name1 Compressor 9 Expansion Valve2 Check Valve 10 Water Cooler3 Stop Valve (Option) 11 Stop Valve (Option)4 Pressure Relief Valve 12 Pressure Sensor (Low)5 Water Condenser 13 High Pressure Switch6 Stop Valve (with check joint) 14 Pressure Sensor (High)7 Drier 15 Compressor Safety Valve (Option)8 Sight Glass 16 Compressor Dual Safety Valve (Option)Cooling Mode - YCSELow pressure liquid refrigerant enters the cooler (Evaporator) and is evaporated and superheated by the heat energy absorbed fromthe chilled water passing through the cooler plates. Low pressure vapour enters the compressor where pressure and superheat areincreased. Heat is rejected by the water cooled condenser. The fully condensed and subcooled liquid refrigerant then enters theexpansion valve where pressure reduction and further cooling takes place before returning to the cooler.Page C.3Doc. No. PC154-100 Rev 1(0905)

REFRIGERANT FLOW DIAGRAM (YCRE-SB)FieldSuppliedCondensingWater OutletCondensingWater InletOptionOptionSOptionOptionChilledWater InletChilledWater OutletFlange ConnectionFlare ConnectionSolder ConnectionRefrigerant CycleCooling Mode - YCRELow pressure liquid refrigerant enters the cooler (Evaporator) and is evaporated and superheated by the heat energy absorbed fromthe chilled water passing through the cooler plates. Low pressure vapour enters the compressor where pressure and superheat areincreased. Heat is rejected by the remote condenser. The fully condensed and subcooled liquid refrigerant then enters theexpansion valve where pressure reduction and further cooling takes place before returning to the cooler.DATA REQUIREDTo select a YORK YCSE/YCRE chiller the following informationis required:1. Design cooling capacity.2. Chilled water entering and leaving temperatures.3. Condenser water entering and leaving temperature.4. Chilled water flow (L/s) if one of the temperatures in (2) isunknown.5. Condenser water flow (L/s) if one of the temperatures in (3) isunknown.Determine the capacity or water flow from:Cooling Capacity (kW)= Range (°C) x chilled water flow rate (L/s) x 4.18Determine the heat rejection or water flow from:Heat Rejection (kW)= Range (°C) x condenser water flow rate (L/s) x 4.18CHILLER SELECTION METHOD1. Determine the correct size of chiller by selecting the modelthat most closely matches the required capacity at the designconditions of leaving water temperature and condenserleaving water temperature.No. Name No. Name1 Compressor10 Expansion Valve2 Check Valve11 Water Cooler3 Stop Valve12 Stop Valve (Option)4 Pressure Relief Valve13 Pressure Sensor (Low)5 Remote Condenser (Field Supplied) 14 High Pressure Switch6 Stop Valve (with check joint)15 Pressure Sensor (High)7 Drier16 Compressor Safety Valve (Option)8 Solenoid Valve17 Compressor Dual Safety Valve (Option)9 Sight GlassSELECTION GUIDE2. Apply correction factors for fouling factor to the capacity andpower values from the capacity tables. Ensure the correctedcapacity is still sufficient for requirements.3. Using the corrected capacity of the selected chiller adjust thedesign temperature range, or flow rate, to balance theformulae shown above.4. Physical and electrical data can now be determined from thetables.5. Always re-check that selections fall within the operatinglimitations.YCSE SAMPLE SELECTION1. Confirm the system requirementsCooling Capacity:240 kWChilled Water Inlet Temperature: 12 °CChilled Water Outlet Temperature: 7 °CCondenser Water Inlet Temperature: 32 °CCondenser Water Outlet Temperature: 37 °CEvaporator and Condenser Fouling Factors: 0Page C.4Doc. No. PC154-100 Rev 1(0905)

2. Select Model and Read the PerformanceFrom the capacity table, modelYCSE080SB can be selectedwith the following performance.Cooling Capacity:247.7 kWCompressor Input Power:66.9 kWHeat Rejection314.6 kW.3. Determine the Flow RateCooling Capacity (kW)= Range (°C) x chilled water flow rate (L/s) x 4.18Flow Rate = 247.7 = 11.8 L/s5 x 4.18Heat Rejection (kW)= Range (°C) x chilled water flow rate (L/s) x 4.18Flow Rate = 314.6 = 15.1 L/s5 x 4.184. Correct the DataFouling FactorThe cooling capacity and the compressor input should becorrected using the factors given below, if applicable.Recalculate flow rates as required.Flow RateWhen the water Inlet/Outlet temperature difference is not 5°C,correct the flow rate by the following formula:Corrected Flow Rate = 5 (°C) X Flow RateTemp. Difference(°C)The corrected Flow Rate must be confirmed to be within theworking range.Glycol ApplicationOn applications with leaving chilled temperatures below 5°C theGlycol Application Factors given below should be applied.5. Determine the Pressure DropsCalculate the pressure drops using the graphs or formulae givenbelow.Evaporator pressure drop at a flow rate of 11.8 L/s would be 46.3kPa.Condenser pressure drop at a flow rate of 15.1 L/s would be 65.5kPa.6. Check the Data is within LimitsThe data is within the unit operating limitations.FOULING FACTORS TABLE 3EVAPORATORCONDENSERFouling Factor m² °C/kW Capacity Factor Comp. Input Factor Fouling Factor m² °C/kW Capacity Factor Comp. Input Factor0.000 1.00 1.00 0.000 1.00 1.000.043 1.00 1.00 0.086 0.98 1.030.086 0.99 1.01 0.172 0.96 1.06PRESSURE DROP CALCULATIONS TABLE 4Model Evaporator Pressure Drop Calculation Condenser Pressure Drop CalculationYCSE40SB Pressure Drop [kPa] = 1.0254 x (Flow Rate [L/s] 1.863 ) Pressure Drop [kPa] = 0.8325 x (Flow Rate [L/s] 1.877 )YCSE50SB Pressure Drop [kPa] = 0.6404 x (Flow Rate [L/s] 1.883 ) Pressure Drop [kPa] = 0.5857 x (Flow Rate [L/s] 1.886 )YCSE60SB Pressure Drop [kPa] = 0.4076 x (Flow Rate [L/s] 1.901 ) Pressure Drop [kPa] = 0.3737 x (Flow Rate [L/s] 1.897 )YCSE80SB Pressure Drop [kPa] = 0.4066 x (Flow Rate [L/s] 1.919 ) Pressure Drop [kPa] = 0.3513 x (Flow Rate [L/s] 1.926 )YCSE100SB Pressure Drop [kPa] = 0.3116 x (Flow Rate [L/s] 1.936 ) Pressure Drop [kPa] = 0.2794 x (Flow Rate [L/s] 1.942 )YCRE40SB Pressure Drop [kPa] = 1.0254 x (Flow Rate [L/s] 1.863 )YCRE50SB Pressure Drop [kPa] = 0.6404 x (Flow Rate [L/s] 1.883 )YCRE60SB Pressure Drop [kPa] = 0.4076 x (Flow Rate [L/s] 1.901 )YCRE80SB Pressure Drop [kPa] = 0.4066 x (Flow Rate [L/s] 1.919 )YCRE100SB Pressure Drop [kPa] = 0.3116 x (Flow Rate [L/s] 1.936 )Page C.5Doc. No. PC154-100 Rev 1(0905)

TABLE 5GLYCOL APPLICATION FACTORS (YCSE)Flow PressureCondenser Water Outlet Temperature (°C) - CWOTEthyleneRate Drop 25 30 35 40 45 50 55GlycolFactor Factor Cool I.P. Cool I.P. Cool I.P. Cool I.P. Cool I.P. Cool I.P. Cool I.P.(wt%) (Kf) (Kp) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%)4 1.011 1.15 100 86 95 90 90 95 84 99 79 107 74 118 68 1333 1.012 1.16 97 85 92 89 87 94 82 98 77 106 72 117 66 13220 2 1.013 1.17 94 84 89 88 84 93 79 97 74 105 70 116 64 1311 1.013 1.18 91 83 86 87 81 92 77 96 72 104 67 115 62 1300 1.014 1.19 88 82 84 86 79 91 74 95 70 103 65 114 60 129-1 1.034 1.3 85 81 81 85 76 90 72 94 67 102 63 113-2 1.035 1.32 82 80 78 84 73 89 69 93 65 101 61 11230 -3 1.037 1.34 79 79 75 83 71 88 67 92 62 100 58 111-4 1.037 1.36 76 78 72 82 68 87 64 91 60 99 56 110-5 1.038 1.38 73 77 69 81 65 86 62 90 58 98 54 109-6 1.073 1.5 70 76 66 80 63 85 59 89 55 97-7 1.075 1.52 67 75 64 79 60 84 56 88 53 9640 -8 1.076 1.54 64 74 61 78 57 83 54 87 51 95 Not Available-9 1.076 1.56 61 73 58 77 55 82 51 86 48 94-10 1.077 1.58 58 72 55 76 52 81 49 85 46 93LCLTCool = Cooling Capacity and I.P. = Input Power as a percentage of nominal conditions LCLT 12/7°C and CWOT 30/35°C.Water Flow Rate and Pressure Drop can be calculated by the Correction Factor Kf and Kp.For Example: YCSE100SB, nominal condition: Capacity 316 kW, Compressor Input 80.0 kWRequired leaving chilled liquid temperature -3/2°C with a condenser water outlet temperature of 35°C.Therefore: Required ethylene glycol 30% of weight.Corrected capacity = 316 X 0.75 = 237 kW, corrected compressor Input = 80.0 X 0.83 = 66.4 kW.Corrected Water Flow (L/s) = Kf X Capacity (kW) / 4.18 /∆T (∆T=Inlet Temp.-Outlet Temp.).= 1.037 X 237 / 4.18 /(2-(-3)) = 11.8 L/sPressure Drop = Kp X Pressure Drop (Water) = 1.34 X 0.3116 X 11.8 1.936 = 49.6 kPa. Refer to Pressure Drop Graph.TABLE 6GLYCOL APPLICATION FACTORS (YCRE)Flow PressureCondenser Temperature (°C)EthyleneRate Drop25303540GlycolFactor Factor Cool I.P. Cool I.P. Cool I.P. Cool I.P.(wt%) (Kf) (Kp) (%) (%) (%) (%) (%) (%) (%) (%)4 1.011 1.15 100 76 96 87 91 100 89 1113 1.012 1.16 97 75 93 86 88 99 84 11120 2 1.013 1.17 94 74 90 86 85 99 81 1101 1.013 1.18 91 73 87 85 83 98 78 1100 1.014 1.19 88 73 84 84 80 98 75 110-1 1.034 1.3 85 72 81 84 77 97 73 110-2 1.035 1.32 83 71 78 83 74 97 70 10930 -3 1.037 1.34 80 70 75 82 71 96 67 109-4 1.037 1.36 77 70 72 81 68 96 69 109-5 1.038 1.38 74 69 69 81 65 96 61 108-6 1.073 1.5 71 68 66 80 62 95 58 108-7 1.075 1.52 68 67 63 79 59 95 55 10840 -8 1.076 1.54 65 66 61 79 56 94 52 107-9 1.076 1.56 62 66 58 78 54 99 49 107-10 1.077 1.58 59 65 55 77 51 93 46 107LCLTCool = Cooling Capacity and I.P. = Input Power as a percentage of nominal conditions LCLT 12/7°C and CondensingTemperature 30/35°C.Water Flow Rate and Pressure Drop can be calculated by the Correction Factor Kf and Kp.For Example: YCRE100SB, nominal condition: Capacity 290 kW, Compressor Input 84.8 kWRequired leaving chilled liquid temperature -3/2°C with a condenser water outlet temperature of 30°C.Therefore: Required ethylene glycol 30% of weight.Corrected capacity = 290 X 0.75 = 217.5 kW, corrected compressor Input = 84.8 X 0.82 = 69.5 kW.Corrected Water Flow (L/s) = Kf X Capacity (kW) / 4.18 /∆T (∆T=Inlet Temp.-Outlet Temp.).= 1.037 X 217.5 / 4.18 /(2-(-3)) = 10.6 L/sPressure Drop = Kp X Pressure Drop (Water) = 1.34 X 0.3116 X 10.6 1.936 = 40.3 kPa. Refer to Pressure Drop Graph.Page C.6Doc. No. PC154-100 Rev 1(0905)

PRESSURE DROP GRAPHSYCSE EVAPORATORYCRE EVAPORATOR1601501401301201101008575080100150140130120110100857565080100Pressure Drop kPa655550454035Pressure Drop kPa555045403530302525200400500602015040050060154 8 12 16 20 24 28Flow Rate l/s124 8 12 16 20 24 28Flow Rate l/sYCSE CONDENSER2302001001500801009080Pressure Drop kPa70605045403530252015040050060102 48 12 16 20 24 28 32Flow Rate l/sPage C.7Doc. No. PC154-100 Rev 1(0905)

TABLE 7YCSE COOLING CAPACITIESCondenser Leaving Water Temperature (°C)5550 45403735302522YCSE040SB YCSE050SB YCSE060SB YCSE080SB YCSE100SBCool P.I. H.R. Cool P.I. H.R. Cool P.I. H.R. Cool P.I. H.R. Cool P.I. H.R.kW kW kW kW kW kW kW kW kW kW kW kW kW kW kW5 132 22 154 165.7 27.8 193.4 203.4 34.063 237.5 264.25 44.261 308.51 331.37 55.5 386.877 139 23 162 174.9 28.4 203.3 214.7 34.91 249.6 278.9 45.37 324.3 349.8 56.89 406.79 147 23 170 184.1 29.1 213.2 226.0 35.765 261.8 293.61 46.473 340.08 368.18 58.273 426.4511 154 24 178 193.3 29.8 223.1 237.3 36.62 274 308.3 47.58 355.9 386.6 59.66 446.213 161 24 186 202.5 30.5 233.0 248.6 37.467 286.1 322.97 48.685 371.65 404.99 61.047 466.0415 169 25 194 211.7 31.2 242.9 259.9 38.32 298.3 337.6 49.79 387.4 423.4 62.43 485.85 130 24 154 162.5 30.6 193.1 199.6 37.562 237.11 259.21 48.807 308.02 325.05 61.2 386.257 137 25 162 171.7 31.2 202.9 210.9 38.31 249.2 273.9 49.79 323.7 343.5 62.43 405.99 144 25 170 180.9 31.8 212.8 222.2 39.067 261.22 288.57 50.764 339.34 361.86 63.654 425.5111 152 26 177 190.1 32.4 222.6 233.5 39.82 273.3 303.3 51.74 355 380.3 64.88 445.113 159 26 185 199.3 33.1 232.4 244.8 40.573 285.33 317.93 52.72 370.65 398.67 66.107 464.7815 166 27 193 208.5 33.7 242.2 256.1 41.33 297.4 332.6 53.7 386.3 417.1 67.33 484.45 124 28 152 155.4 35.2 190.7 190.8 43.269 234.09 247.87 56.224 304.1 310.83 70.5 381.337 131 28 160 164.6 35.7 200.4 202.1 43.87 246 262.6 57 319.6 329.2 71.47 400.79 139 29 168 173.8 36.2 210.0 213.4 44.464 257.89 277.23 57.776 335.01 347.64 72.447 420.0911 146 29 175 183.0 36.7 219.7 224.7 45.06 269.8 291.9 58.55 350.5 366 73.42 439.513 153 30 183 192.2 37.2 229.4 236.0 45.659 281.68 306.59 59.329 365.92 384.45 74.393 458.8515 161 30 191 201.4 37.7 239.1 247.3 46.26 293.6 321.3 60.1 381.4 402.9 75.37 478.25 119 32 150 148.8 39.6 188.4 182.7 48.609 231.28 237.29 63.162 300.45 297.55 79.2 376.757 126 32 158 158.0 40.0 198.0 194.0 49.1 243.1 252 63.8 315.8 316 80 3969 133 32 166 167.2 40.4 207.6 205.3 49.591 254.87 266.65 64.438 331.09 334.37 80.8 415.1711 141 33 173 176.4 40.8 217.2 216.6 50.08 266.7 281.3 65.08 346.4 352.8 81.6 434.413 148 33 181 185.6 41.2 226.8 227.9 50.573 278.45 296.01 65.714 361.72 371.18 82.4 453.5815 155 33 189 194.8 41.6 236.4 239.2 51.06 290.2 310.7 66.35 377 389.6 83.2 472.85 117 33 150 146.1 41.6 187.7 179.4 51.064 230.44 233.01 66.352 299.36 292.18 83.2 375.387 124 33 157 155.3 41.9 197.2 190.7 51.49 242.2 247.7 66.9 314.6 310.6 83.89 394.59 131 34 165 164.5 42.3 206.8 202.0 51.915 253.89 262.36 67.458 329.82 329 84.586 413.5811 139 34 173 173.7 42.6 216.3 213.3 52.34 265.6 277 68.01 345.1 347.4 85.28 432.713 146 34 180 182.9 43.0 225.9 224.6 52.766 277.35 291.72 68.564 360.29 365.81 85.973 451.7815 153 35 188 192.1 43.3 235.4 235.9 53.19 289.1 306.4 69.12 375.5 384.2 86.67 470.95 113 35 149 142.1 44.4 186.6 174.5 54.562 229.09 226.71 70.898 297.6 284.28 88.9 373.187 121 36 156 151.3 44.7 196.1 185.8 54.91 240.7 241.4 71.35 312.7 302.7 89.47 392.29 128 36 164 160.5 45.0 205.6 197.1 55.266 252.39 256.06 71.812 327.88 321.1 90.046 411.1411 135 36 172 169.8 45.3 215.1 208.4 55.62 264 270.7 72.27 343 339.5 90.62 430.113 143 36 179 179.0 45.6 224.6 219.7 55.97 275.7 285.42 72.726 358.15 357.91 91.193 449.115 150 37 187 188.2 45.9 234.0 231.0 56.32 287.4 300.1 73.18 373.3 376.3 91.77 468.15 108 39 147 135.3 49.2 184.5 166.2 60.393 226.58 215.87 80.494 296.36 270.69 100.93 371.637 115 39 155 144.6 49.4 193.9 177.5 60.62 238.1 230.5 81.6 312.1 289.1 102.3 391.49 123 40 162 153.8 49.6 203.3 188.8 60.851 249.64 245.23 82.706 327.93 307.51 103.71 411.2111 130 40 170 163.0 49.8 212.7 200.1 61.08 261.2 259.9 83.81 343.7 325.9 105.1 43113 137 40 177 172.2 49.9 222.1 211.4 61.309 272.7 274.59 84.918 359.5 344.32 106.48 450.815 145 40 185 181.4 50.1 231.5 222.7 61.54 284.2 289.3 86.02 375.3 362.7 107.9 470.65 92.3 42.6 134.9 115.7 53.4 169.1 142.1 65.6 207.7 184.5 85.3 269.8 231.4 106.9 338.37 98.9 42.9 141.7 124.0 53.7 177.7 152.2 66.0 218.2 197.7 85.7 283.5 248.0 107.5 355.49 105.5 43.1 148.6 132.3 54.0 186.3 162.4 66.3 228.7 211.0 86.2 297.1 264.5 108.0 372.611 112.1 43.3 155.4 140.5 54.3 194.9 172.6 66.7 239.2 224.2 86.6 310.8 281.1 108.6 389.713 118.7 43.5 162.2 148.8 54.6 203.4 182.7 67.0 249.8 237.4 87.1 324.5 297.7 109.2 406.915 125.3 43.8 169.1 157.1 54.9 212.0 192.9 67.4 260.3 250.6 87.5 338.1 314.2 109.8 424.05 87.4 45.6 133.0 109.6 57.2 166.8 134.6 70.2 204.8 174.8 91.2 266.0 219.2 114.4 333.67 94.0 45.8 139.8 117.9 57.4 175.3 144.7 70.4 215.2 188.0 91.5 279.5 235.7 114.8 350.59 100.6 45.9 146.5 126.1 57.6 183.7 154.9 70.7 225.6 201.2 91.8 293.0 252.3 115.1 367.411 107.2 46.1 153.3 134.4 57.8 192.2 165.1 70.9 236.0 214.4 92.1 306.5 268.9 115.5 384.413 113.8 46.2 160.0 142.7 57.9 200.7 175.2 71.1 246.4 227.6 92.4 320.0 285.4 115.9 401.315 120.4 46.4 166.8 151.0 58.1 209.1 185.4 71.4 256.8 240.8 92.7 333.6 302.0 116.3 418.3LCLTLCLT = Leaving Chilled Liquid Temperature H.R. = Condenser Heat Rejection P.I. = Compressor Input PowerPage C.8Doc. No. PC154-100 Rev 1(0905)

Condening Temperature (°C)5550 454035YCRE COOLING CAPACITIES TABLE 8YCRE040SB YCRE050SB YCRE060SB YCRE080SB YCRE100SBCool P.I. H.R. Cool P.I. H.R. Cool P.I. H.R. Cool P.I. H.R. Cool P.I. H.R.kW kW kW kW kW kW kW kW kW kW kW kW kW kW kW5 123.4 26.3 149.7 149.2 32.4 181.6 185.2 39.8 225.0 246.9 52.6 299.5 298.3 64.8 363.17 130.4 26.8 157.3 157.6 33.1 190.7 195.6 40.6 236.3 260.9 53.7 314.5 315.2 66.1 381.39 137.4 27.4 164.8 166.0 33.7 199.8 206.1 41.4 247.6 274.8 54.7 329.5 332.1 67.4 399.511 144.4 27.9 172.3 174.5 34.4 208.9 216.6 42.2 258.8 288.8 55.8 344.6 349.0 68.7 417.713 151.4 28.4 179.8 182.9 35.0 218.0 227.1 43.0 270.1 302.8 56.8 359.6 365.9 70.0 435.915 158.4 28.9 187.3 191.4 35.7 227.1 237.6 43.8 281.4 316.8 57.9 374.7 382.8 71.3 454.15 118.0 30.2 148.2 142.6 37.2 179.8 177.1 45.7 222.7 236.1 60.3 296.4 285.3 74.3 359.67 125.0 30.6 155.7 151.1 37.8 188.8 187.5 46.4 233.9 250.1 61.3 311.3 302.1 75.5 377.79 132.0 31.1 163.1 159.5 38.3 197.9 198.0 47.1 245.1 264.0 62.2 326.2 319.0 76.7 395.711 139.0 31.6 170.6 168.0 38.9 206.9 208.5 47.8 256.3 278.0 63.2 341.2 335.9 77.9 413.813 146.0 32.1 178.1 176.4 39.5 215.9 219.0 48.6 267.5 292.0 64.1 356.1 352.8 79.0 431.915 153.0 32.5 185.5 184.9 40.1 225.0 229.5 49.3 278.8 306.0 65.1 371.0 369.7 80.2 449.95 113.0 34.4 147.4 136.5 42.4 179.0 169.5 52.2 221.6 226.0 68.9 294.9 273.1 84.9 358.07 120.0 34.4 154.4 145.0 42.4 187.4 180.0 52.1 232.1 240.0 68.8 308.8 290.0 84.8 374.89 127.0 35.1 162.0 153.4 43.2 196.7 190.5 53.1 243.6 254.0 70.1 324.1 306.9 86.5 393.311 134.0 35.4 169.4 161.9 43.6 205.5 200.9 53.6 254.5 267.9 70.8 338.7 323.7 87.2 411.013 141.0 35.7 176.7 170.3 44.0 214.3 211.4 54.1 265.5 281.9 71.4 353.3 340.6 88.0 428.715 147.9 36.0 184.0 178.8 44.4 223.2 221.9 54.6 276.5 295.9 72.0 367.9 357.5 88.8 446.35 108.0 38.3 146.3 130.4 47.2 177.7 161.9 58.0 219.9 215.9 76.6 292.5 260.9 94.4 308.17 114.9 38.5 153.5 138.9 47.5 186.4 172.4 58.3 230.7 229.9 77.0 306.9 277.8 95.0 325.39 121.9 38.7 160.7 147.3 47.7 195.1 182.9 58.6 241.6 243.9 77.4 321.3 294.7 95.4 342.411 128.9 38.9 167.9 155.8 48.0 203.8 193.4 59.0 252.4 257.9 77.8 335.7 311.6 96.0 359.613 135.9 39.1 175.1 164.2 48.3 212.5 203.9 59.3 263.2 271.8 78.2 350.0 328.5 96.6 376.715 142.9 39.4 182.3 172.7 48.5 221.2 214.4 59.6 274.0 285.8 78.8 364.6 345.4 97.0 393.95 102.8 42.2 145.0 124.2 52.0 176.2 154.2 63.9 218.1 205.6 84.4 290.0 248.4 104.0 352.47 109.8 42.3 152.1 132.7 52.1 184.8 164.7 64.1 228.7 219.6 84.6 304.2 265.3 104.3 369.69 116.8 42.4 159.2 141.1 52.3 193.4 175.2 64.2 239.4 233.6 84.8 318.4 282.2 104.5 386.811 123.8 42.5 166.3 149.5 52.4 202.0 185.6 64.4 250.0 247.5 85.0 332.6 299.1 104.8 403.913 130.8 42.6 173.4 158.0 52.5 210.5 196.1 64.6 260.7 261.5 85.2 346.8 316.0 105.1 421.115 137.7 42.7 180.5 166.4 52.7 219.1 206.6 64.7 271.3 275.5 85.5 360.9 332.9 105.3 438.2LCLTLCLT = Leaving Chilled Liquid Temperature H.R. = Condenser Heat Rejection P.I. = Compressor Input PowerPage C.9Doc. No. PC154-100 Rev 1(0905)

TABLE 9Condenser Water Outlet TemperatureCondenser Water Outlet Temperature55°C50°C45°C40°C35°C30°C25°C22°C55°C50°C45°C40°C35°C30°C25°C22°CYCSE PART LOAD PERFORMANCEYCSE040SBPerformanceCompressor Load 33~99%Full LoadCapacity % 40 50 60 70 75Input % 64 77 96 125 144Capacity % 40 50 60 70 78Input % 58 69 85 107 134Capacity % 40 50 60 70 80 90 92Input % 49 56 65 78 94 119 124Capacity % 40 50 60 70 80 90 96Input % 43 49 56 66 80 98 112Capacity % 40 50 60 70 80 90 100Input % 38 43 48 56 67 80 100Capacity % 43 50 60 70 80 90 100 104Input % 34 37 42 48 57 67 82 89Capacity % 46 50 60 70 80 90 100 109Input % 30 32 36 40 47 55 65 78Capacity % 50 60 70 80 90 100 110 111Input % 29 32 36 41 49 57 70 71YCSE050SB & YCSE060SBPerformanceCompressor Load 25~99%Full LoadCapacity % 30 40 50 60 70 75Input % 55 64 77 96 125 144Capacity % 30 40 50 60 70 78Input % 50 58 69 85 107 134Capacity % 30 40 50 60 70 80 90 92Input % 44 49 56 65 78 94 119 124Capacity % 30 40 50 60 70 80 90 96Input % 40 43 49 56 66 80 98 112Capacity % 30 40 50 60 70 80 90 100Input % 35 38 43 48 56 67 80 100Capacity % 32 40 50 60 70 80 90 100 106Input % 33 35 39 44 50 58 69 83 94Capacity % 34 40 50 60 70 80 90 100 112Input % 31 32 35 39 44 51 59 70 88Capacity % 35 40 50 60 70 80 90 100 110 120Input % 29 30 33 36 40 45 52 60 70 84Condenser Water Outlet Temperature55°C50°C45°C40°C35°C30°C25°C22°CYCSE080SBPerformance 16.5%Compressor Load 33~99%Full LoadCapacity % 20 40 50 60 70 75Input % 32 64 77 96 125 144Capacity % 20 40 50 60 70 78Input % 29 58 69 85 107 134Capacity % 20 40 50 60 70 80 90 92Input % 25 49 56 65 78 94 119 124Capacity % 20 40 50 60 70 80 90 96Input % 22 43 49 56 66 80 98 112Capacity % 20 40 50 60 70 80 90 100Input % 19 38 43 48 56 67 80 100Capacity % 22 43 50 60 70 80 90 100 106Input % 18 36 39 44 50 58 69 83 94Capacity % 23 46 50 60 70 80 90 100 112Input % 17 34 35 39 44 51 59 70 88Capacity % 25 50 60 70 80 90 100 110 120Input % 16 33 36 40 45 52 60 70 84Condenser Water Outlet Temperature55°C50°C45°C40°C35°C30°C25°C22°CYCSE0100SBPerformance 12.5%Compressor Load 25~100%Full LoadCapacity % 15 30 40 50 60 70 75Input % 27 55 64 77 96 125 144Capacity % 15 30 40 50 60 70 78Input % 25 50 58 69 85 107 134Capacity % 15 30 40 50 60 70 80 90 92Input % 22 44 49 56 65 78 94 119 124Capacity % 15 30 40 50 60 70 80 90 96Input % 20 40 43 49 56 66 80 98 112Capacity % 15 30 40 50 60 70 80 90 100Input % 18 35 38 43 48 56 67 80 100Capacity % 16 32 40 50 60 70 80 90 100 106Input % 16 33 35 39 44 50 58 69 83 94Capacity % 17 34 40 50 60 70 80 90 100 112Input % 15 31 32 35 39 44 51 59 70 88Capacity % 18 35 40 50 60 70 80 90 100 110 120Input % 15 29 30 33 36 40 45 52 60 70 84Page C.10Doc. No. PC154-100 Rev 1(0905)

Condensing Temp.55°C50°C45°C40°C35°CYCRE PART LOAD PERFORMANCE TABLE 10YCRE040SB, YCRE050SB & YCRE060SBPerformance Compressor Load 15~99%Full LoadCapacity % 20 30 40 50 60 70 80 90 92Input % 43 52 59 68 77 89 103 119 123Capacity % 20 30 40 50 60 70 80 90 96Input % 37 46 53 60 68 77 88 104 112Capacity % 20 30 40 50 60 70 80 90 100Input % 33 39 46 53 59 66 76 87 100Capacity % 20 30 40 50 60 70 80 90 100 104Input % 28 35 40 45 51 58 66 73 85 89Capacity % 21 30 40 50 60 70 80 90 100 109Input % 25 30 34 39 44 51 54 62 70 78Condensing Temp.55°C50°C45°C40°C35°CYCRE080SB & YCRE100SBPerformance 7.5%Compressor Load 15~99%Full LoadCapacity % 10 20 30 40 50 60 70 80 90 92Input % 22 43 52 59 68 77 89 103 119 123Capacity % 10 20 30 40 50 60 70 80 90 96Input % 19 37 46 53 60 68 77 88 104 112Capacity % 10 20 30 40 50 60 70 80 90 100Input % 17 33 39 46 53 59 66 76 87 100Capacity % 10 20 30 40 50 60 70 80 90 100 104Input % 14 28 35 40 45 51 58 66 73 85 89Capacity % 11 21 30 40 50 60 70 80 90 100 109Input % 13 25 30 34 39 44 51 54 62 70 78TABLE 11PHYSICAL DATAYCSE-SB 040 050 060 080 100Refrigerant Circuits 1 1 1 2 2Refrigerant charge per circuitkg 12.0 14.0 16.0 12.0 14.0Compressor TypeSemi-Hermetic Screw TypeOil charge per compressor l 6.0 6.0 6.0 6.0 6.0Capacity Control % 33-100 25-100 25-100 16.5-100 12.5-100Evaporator Number1Connections (Inlet & Outlet)3 " Victaulic4 " VictaulicWater volume per evaporator l 12.1 15.9 21.7 32.3 40.7Water Number1Cooled Type3 " Victaulic4 " VictaulicCondenser Water volume per condenser l 13.5 16.9 21.7 36.5 44.9Weight Operating kg 770 865 930 1360 1560Shipping kg 710 800 860 1,250 1,440Length mm 1362 1449 1449 1210 1210Dimensions Width mm 677 677 677 1340 1450Height mm 1275 1275 1275 1465 1465YCRE-SB 040 050 060 080 100Refrigerant Circuits 1 1 1 2 2Compressor TypeSemi-Hermetic Screw TypeOil charge per compressor l 6.0 6.0 6.0 6.0 6.0Capacity Control % 15-100 15-100 15-100 7.5-100 7.5-100Evaporator Number1Connections (Inlet & Outlet)3 " Victaulic 4 " VictaulicWater volume per evaporator l 12.1 15.9 21.7 32.3 40.7Refrigerant Liquid Line (outer diameter) mm28.6piping Discharge Line (outer diameter) mm41.3Weight Shipping kg 590 755 690 1,140 1,250Length mm 1064 1088 1152 1184 1184Dimensions Width mm 935 935 935 1432 1432Height mm 1343 1343 1343 1531 1531Page C.11Doc. No. PC154-100 Rev 1(0905)

TABLE 12ACOUSTIC DATASound Pressure Level (dB)Frequency Band (Hz)Model63 125 250 500 1000 2000 4000 8000YCSE/YCRE40SB 74 67 67 68 59 61 47 36 68YCSE/YCRE50SB 76 68 67 64 65 64 51 35 69YCSE/YCRE60SB 77 69 67 62 68 66 53 35 71YCSE/YCRE80SB 77 70 70 71 62 64 50 39 71YCSE/YCRE100SB 79 71 70 67 68 67 54 38 72Sound pressure level at:Chilled water inlet/outlet temperature of 12/7°C and condenser water .inlet/outlet temperature of 30/35°C1 meter from the control panel surface and 1.5 meter from the floor level.Supply voltage of 380 V, for 415 V the values will increase by 1 dB.Measured in an anechoic chamber, so that reflected sound should be taken into consideration in the field.Overall(dBA)TABLE 13The following connections are required:• One 400 V, 3 phase, 50 Hz supply plus neutral and earth.• Control interlocks if required.The power connections are made to the unit screw terminals inthe control panel. Interlocks are made to a terminals in thecontrol panel.ModelYCSE40SBYCSE50SBYCSE60SBYCSE80SBYCSE100SBYCRE40SBYCRE50SBYCRE60SBYCRE80SBYCRE100SBELECTRICAL DATASupply cables should enter the unit via the holes provided in thepanel.A customer supplied mains isolator switches should be locatedadjacent to the unit and should incorporate provision for lockingin the off position.Unit Instantaneous VoltageCommpressorUnitPower Max. Min. I.P. NRA LRA MRA SMRA(V) (Hz) (V) (V) (kW) (A) (A) (A) (A)380 50 418 342 31,9 54,7 114,6 90 115415 50 457 374 31,9 53,7 125,2 89 125380 50 418 342 40,0 68,5 147,5 113 148415 50 457 374 40,0 67,0 161,1 111 161380 50 418 342 49,1 82,2 178,4 136 178415 50 457 374 49,1 79,0 194,8 130 195380 50 418 342 63,8 109 114,6 181 142415 50 457 374 63,8 107 125,2 177 152380 50 418 342 80,0 137 147,5 226 174415 50 457 374 80,0 134 161,1 221 187380 50 418 342 34,4 59,4 114 74 114415 50 457 374 34,4 57,7 125 72 125380 50 418 342 42,4 73,2 148 92 148415 50 457 374 42,4 71,1 161 89 161380 50 418 342 52,1 88,0 178 110 178415 50 457 374 52,1 84,3 195 105 195380 50 418 342 68,8 118,8 114 149 134415 50 457 374 68,8 115,4 125 144 144380 50 418 342 84,8 146,4 148 183 172415 50 457 374 84,8 142,2 161 178 184I.P. = Input Power; NRA = Nominal Running Current; LRA = Starting Current; MRA = Maximum Running Currrent;SMRA = Maximum Running Currrent during Starting.Compressor I.P. and NRA based on chilled water inlet/outlet temperature of 12/7°C and condenser water .inlet/outlet temperature of 30/35°CMRA is the maximum total unit running current at a supply voltage of 90% of the rated voltage with unit capacity of100% at maximum operating conditions. The power supply cables must be sized to cover this maximum current value.LRA is the first compressor starting current. SMRA is MRA and starting current, when other compressor starts.Page C.12Doc. No. PC154-100 Rev 1(0905)

ELECTRICAL CONNECTIONSLOW VOLTAGE REMOTE CONTROLRUN/STOPSIGNALALARMSIGNALDC24VFlow Switch DifferentialWater Pressure Switch Option.ON/OFFALARMLAMPSETTING OF LOW VOLTAGE CONTROLMODENORMAL MODENo Use Low Voltage Control)MODE 1MODE 2PulseContactor forTowerCont.1Pilot Lamp forRemote Indication(Unit Operation, Cool/Heat)PCB - CPUPilot Lamp forRemote Indication (Alarm)-1Pilot Lamp forRemote Indication (Alarm)-2Water Pressure Switch,Water Flow Switch,Evaporator CircuitWater Pressure Switch,Water Flow Switch,Condenser CircuitDSW 1 SETTINGMain Power/Terminal BoardYORKCUSTOMERL3 L1N L23Ø 380-415V+N+PECont.2ThermalRelay1Cont.1ThermalRelay2Cont.2ThermalRelay3PumpInterlockPump operationNOTE:1. All the setting shall be performed before Power ON.2. Remote/Local Change over Switch on Operation Switch shall be set to "Remote".3. Terminals 1 to 17 are for 220-240Vac Terminals A to D are for 24 Vdc .: Customer WiringPage C.13Doc. No. PC154-100 Rev 1(0905)

YCSE40SB, YCSE50SB and YCSE60SBDIMENSIONS772.567789Inlet for PowerSupply Wiring122DIM C4 x Lifting eyeboltInlet for Control Wiring14077312751050763DIM A(condenser)DIM B(cooler)1139DIM A DIM B DIM CYCSE 40 76 391 1362YCSE 50 10 316 1449YCSE 60 -83 204 1449Electrical Box160 190Cooler Water Inlet(3 " Victaulic)Condenser Water Outlet(3" Victaulic)Cooler Water Outlet(3 " Victaulic)Condenser Water Inlet(3 " Victaulic)Page C.14Doc. No. PC154-100 Rev 1(0905)

YCSE80SB and YCSE100SBDIMENSIONS12771092137389Inlet for PowerSupply Wiring122DIM CInlet forControl Wiring4 x Lifting eyeboltCondenser WaterOutlet (4 ” Victaulic)Cooler WaterInlet(4 ” Victaulic)DIM A(condenser)DIM B(cooler)DIM A DIM B DIM CYCSE 80 273 204 1340YCSE 100 176 107 1450925178 590955146512621139Electrical Box420Condenser Water Inlet(4 ” Victaulic)Cooler Water Outlet(4 ” Victaulic)336Page C.15Doc. No. PC154-100 Rev 1(0905)

YCRE40SB, YCRE50SB and YCRE60SBDIMENSIONSA View4 - 26 HoleFor unit fixingDim BA4x 35 Lifting HoleElectrical BoxDim ACooler Water inlet(3B Victaulic)Cooler Water Outlet(3B Victaulic) Power Wiring Inlet (Frontal side)Control Wiring Inlet (Rear Side)DIM A DIM BYCRE 40 1064 107YCRE 50 1088 32YCRE 60 1152 80Page C.16Doc. No. PC154-100 Rev 1(0905)

YCRE80SB and YCRE100SBDIMENSIONSA View4 - 26 HoleFor unit fixingDim ADIM AYCRE 80 80YCRE 100 159Cooler Water inlet(4B Victaulic)A4x 35 Lifting HoleElectrical BoxCooler Water Outlet(4B Victaulic)Power Wiring Inlet (Frontal side)Control Wiring Inlet (Rear Side)Page C.17Doc. No. PC154-100 Rev 1(0905)

SPACE REQUIREMENTSWEIGHT DISTRIBUTION AND CENTRE OF GRAVITYModel YCSE40SB YCSE50SB YCSE60SB YCSE80SB YCSE100SBPositionWeight Distribution (kg)1 180 205 235 285 2702 145 160 180 240 3303 245 275 295 455 5204 200 225 220 380 440DimensionLocation of Centre of Gravity (mm)A 637 645 680 612 612B 380 380 393 650 645Model YCRE40SB YCRE50SB YCRE60SB YCRE80SB YCRE100SBPositionWeight Distribution (kg)1 190 205 225 350 4052 120 130 135 290 3253 210 230 250 335 3554 130 145 150 275 285DimensionLocation of Centre of Gravity (mm)A 420 415 415 535 555B 565 570 575 895 905Page C.18Doc. No. PC154-100 Rev 1(0905)