APCX Series Air Cooled Packaged Chillers - Skmaircon
APCX SeriesAir Cooled Packaged ChillersRange 30 TR to 244 TR( 105 kW to 854 kW )
SKM Air Cooled Packaged ChillersAPCX Series - R134aContentsIntroduction .2Legend. 2Nomenclature .2General Features .3Main Component Features .3Optional Features .6Engineering Specifications .8Capacity Ratings .12Compressor Starting .18Capacity Correction Factors &Operational Limits.19Selection Procedure .20Water Pressure Drop .21Typical Wiring Diagram .22Electrical Data .24Dimensional Data .29Installation & Application Data .32Loading Points.33Water Piping Practices .36Guide Specifications.40LegendThe following legends are used throughoutthis manual:AMB .Ambient TemperatureARI.Air Conditioning & RefrigerationInstituteBTU .British Thermal UnitC.CAP.Cooling Capacity in TR(kW refrigeration)cfm .Cubic feet per minuteECWT .Entering Chilled Water TemperatureEER .Energy Efficiency RatioGPM .Gallons Per Minutekg .KilogramkPa .Kilo pascalskW .Kilowattlbs .PoundsLCWT .Leaving Chilled WaterTemperatureL/S .Liter per secondmm.MillimetersPI .Compressor Power Input in kWQty .QuantityRange .ECWT-LCWTTR .Tons of RefrigerationWFR .Water flow rateWPD .Water Pressure DropIntroductionAPCX Series Air Cooled Packaged Chillersare the new generation of SKM chillers. APCXSeries have quite and low vibration design andare manufactured to meet the requirementsof the severe climatic conditions of the gulf.APCX Series Chillers are ideally suitedfor hotels, high-rise buildings, stores, hospitalsand modern cooling applications of modernmanufacturing industries. APCX units arefactory assembled, leak tested, evacuated,internally wired and fully charged withrefrigerant R-134a. Every unit is fully testedbefore delivery and is ready for installation.APCX Series Chillers are designed andmanufactured in accordance with the SKMQuality Management System, approved toISO 9001-2000 and rated in accordance withAHRI 550/590.APCX Chillers are available in 62 modelscovering capacity ranges of 30 to 213 TR(105 to 746 kW) in 50 Hz and 36 to 244 TR(126 to 854 kW) in 60 Hz.NomenclatureSKM Air Conditioning Equipment,APC X-5100YAir CooledPackaged ChillersPower Supply CodeR-134a(Semi-Hermetic Compressor)Power SupplyFrequency5 : 50 Hz6 : 60 HzY : 380-415V/3Ph/50HzP : 440V/3Ph/50HzR : 380V/3Ph/60HzE : 460V/3Ph/60HzT : 220V/3Ph/60HzNominal TonnageYou name it.We cool it2You name it.We cool it
SKM Air Cooled Packaged ChillersAPCX Series - R134aGeneral FeaturesCondensersHigh Energy Efficiency Ratio (EER)Condenser coils are manufactured from seamless Hi-x coppertubes mechanically bonded to aluminum fins to ensure optimumheat transfer. All coils are tested against leakage by air pressureof 450 psig (3100 KPa) under water. All standard coils are 3 or 4rows with 14 FPI, (1.8 mm) fin spacing, 3/8” (9.5 mm) O.D. tubes.APCX chillers use, exclusively, high efficiency semi-hermeticcompressors having a unique valve design. EER ratings forAPCX chillers at ARI conditions are listed in Capacity RatingsCondenser fin materials should be matched with site conditionsto inhibit coil corrosion and ensure extended equipments life.For different application requirements, other optional condenserfin materials are available:Parallel Compressors OperationAPCX chillers are equipped with multiple compressors connectedin parallel in order to achieve greater operating flexibility. By cyclingindividual compressors the system capacity can be modulatedwith full power savings for the compressors in operation. By usingthe system of parallel compressors operation, uncomplicatedunload start is achieved by a simple time delay starting of singlecompressors as opposed to a compressor start with the totalcapacity.Wide Operating Range Copper fins only electrotinned.Copper coils electro-tinned after manufacturingPrecoated Aluminum finsThe pre-coated is hydrophobic polyurethane resin. Thisoption provides substantial corrosion protection beyondstandard coil construction.Aeris Guard Coil CoatingThe Aeris Guard Coil is a self etching high performancemodified epoxy finish that is specifically designed to coatand protect Aluminum and Copper surfaces. In addition, thecoating is ideal for the protection of ferrous and non ferrousmaterials.APCX chillers are designed, as standard, to operate at a widerange of ambient temperatures from 50 F (10 C), or lower ifoptional low ambient operation kit is included, to 125 F (52 C).Condensers Fans & MotorsMain Component FeaturesCompressorsCompressors used in APCX series are fully accessible, semihermetic, reciprocating type, equipped with an oil sight glass,suction and discharge service valves and crankcase heater. Theseare refrigerant gas cooled and equipped with an oil pressurelubrication system. The oil pump working in either direction isprotected by an oil screen and a valve provided for the fittingof an oil pressure gauge. For protection, all compressors areequipped with preset internal relief valve between suction anddischarge sides.The compressors are provided with vibration isolator mountingunder the compressors skid and therefore, external to APCXchillers, AVM’s may be necessary only for critical applications.The compressor motors have inherent thermal protection. Thisis in addition to other standard safety and protection controls.The condenser fans are propeller type, aluminum alloy blades,directly driven by electric motors. Motors are Totally Enclosed AirOver (TEAO) six pole with class ‘F’ insulation and IP55 protection.The TEAO and class ‘F’ insulation features ensure long life andare unique to SKM. The motors are factory wired to chiller unitcontrol panel where the motor starters are located to control theoperation of these motors. The condenser fans are individuallystatically and dynamically balanced at the factory. Completefan assembly is provided with suitable acrylic coated fan guard.EvaporatorAPCX evaporators are direct expansion, shell and tube, withhaving 1, 2,3 or 4 refrigerant circuits. Evaporator shell is madeof steel. Tubes of copper fixed to steel end plates. Baffles areprovided in the water flow to increase heat transfer efficiency.Evaporators are provided with drain and vent plugs. Cooler shellis insulated with 1.0” (25mm) thick flexible closed cell insulation,K factor 0.28 Btu. in/ft².h.oF (0.04W/m.oK). Maximum workingpressure of waterside is 145 psig (1000 kPa) and refrigerantside is 239.3 psig (1650 kPa).You name it.We cool it3
SKM Air Cooled Packaged ChillersAPCX Series - R134a Casing/StructureThe unit casing in APCX series chillers is made of zinc coatedgalvanized steel sheets conforming to JIS-G 3302 and ASTMA653 which is phosphatized and baked after an electrostaticpowder coat of approximately 60 microns. This finish andcoating can pass a 1000 hour in 5% salt spray testing at 95 F(35 C) and 95% RH as per ASTM B117. Unit casing is providedwith access doors for easy servicing/maintenance. Provision for accepting volt free contact for remote start/stop.Control terminal blocks and power terminal blocks/bus bars.SKM Microprocessor Controller - MAGNUMAPCX chillers are assembled on rigid structural steel skidchannels painted with two coat galvanized primer and one coatblack enamel. The package is assembled for easy handlingduring transportation and robust support during installationand operation.Refrigerant PipingThe refrigeration circuit piping is fabricated from ACR gradecopper piping. Each refrigeration circuit includes filter drier,liquid line solenoid valve, thermostatic expansion valve, sightglass, shut off valve and hot gas muffler. For single compressorcircuits, additional vibration eliminators are provided.After fabrication the refrigeration circuit suction line is insulatedwith ½” (13 mm) wall thickness closed cell pipe insulation.Electrical Control PanelThe unit mounted chiller control panel enclosure is fabricatedout of heavy gauge sheet steel in phosphatized powder coatedbaked finish. The enclosure conforms to IP54 as per guidelinesin IEC 529. A hinged access door and key-fastener is providedfor easy access and security. The panel is factory wired inaccordance with NEC 430 & 440, labeled, tagged and features220V / 240V controls. Individual compressor and condenser fan motor contactors. Thermal magnetic circuit breakers for compressors andcondenser fan motors. Circuit breaker for control circuit. Remote/Off/Local selector switch. Microprocessor master board with graphical display. Microprocessor expansion boards as required. Control Relays and control circuit fuses. Control circuit on/off switch and pump down switches. 4Microprocessor control system is available for APCX serieschiller as a standard feature. Our high energy efficient chillerhas a full function microprocessor control unit designed to keepthe chiller running at its most energy efficient level. It is a ruggedmicroprocessor based controller that is designed for the hostileenvironment of HVAC industry.It provides flexibility with set points and control options that canbe selected prior to commissioning a system or when the unit islive and functioning. Displays, alarms and other interfaces areaccomplished in a clear and simple language that informs theuser as to the status of the system. It is designed to safeguardthe system that is being controlled, eliminate the need formanual intervention and to provide a simple but meaningfulman-machine-interface.This controller provides complete operational control for thechiller and has built-in auto diagnostic capability that can signalnormal operation or alarm conditions as well as shutting downthe chiller or system, if necessary.The Main Features of the controller are as follows: A large graphical LCD Display (2.8 diagonal) with back-litthat can be seen in bright or dim lighting. A nine button generic keypad that is so user friendly, it rarelyrequires a reference manual. Battery backed up built in real time clock to program thechiller for 2 starts and 2 stops daily to provide the informationabout the running hours of the compressors. Multiple authorization levels to provide tight security of thecontrol system. Two operating schedules per each day of the week and 8holidays.Indication light for common fault. Volt free contacts for run, common fault and auto modeindications.The system provides ‘last time’ enabled & disabled, numberof cycles, and total run hours. Automatic Lead/Lag changeover of the compressors.You name it.We cool it
SKM Air Cooled Packaged ChillersAPCX Series - R134a Pump-down at the beginning and end of every circuit cycle.Easy Accessible Measurements Include: Capacity control based on leaving chilled water temperature.A special control zone based on leaving water temperaturethat reduces compressor cycling, and improved unit partload efficiency. Start/stop facility from remote through Volt Free Contact(VFC). Common Run, Fault and remote mode operation status voltfree contacts provided for remote signaling. Display InformationSKM APCX chillers offer a graphics LCD display which allows theoperator to access different parameters of the chiller. Operator canview and change the set point of chiller parameters. The graphicaldisplay has lot of features, trending is one of the key features ofgraphical display, which shows last 25 samples with an appropriatescale to allow it to fit on the display.The well designed keypad with three function keys, four directionkeys and two selection keys allows the operator to navigate throughdifferent Menu, such as: Status Outputs Inputs Alarms Graphs Set point Service tools Lockout Reset Lockout Alarm Password Status of the chiller.Status of each circuit/compressor.Status of condenser fans.Leaving and Entering chilled water temperature.Suction pressure for each refrigerant circuit.Discharge pressure for each refrigerant circuit.Oil pressure for each compressor.Ampere draw for each compressor.Ambient temperature.All active set points.Run time for each compressor.Number of compressor starts.Lockout and alarm status.Status of water flow switch, compressor internal motor.protector, run/stop input and pump down switches.Log of last 100 alarms.Lead compressor identification.Date and time.Graphs of all inputs and outputs.System ProtectionThe following system protection controls will automatically act toinsure system reliability and protection of the unit. Low suction pressure protection.High discharge pressure protection.Low discharge pressure protection.Low oil pressure protection.High compressor motor winding temperature protection.High compressor ampere protection.Compressor internal thermal protection.Freeze protection.Chilled water flow loss protection.Sensor error protection.Pump down.Anti-recycle.Time delay between stages.4-Levels of passwords to restrict the intentional mishandling.System Control PhilosophyThe unit may be enabled or disabled manually or through theuse of an external signal from a building automation system.Control is based upon leaving chilled water temperature. How fastthe temperature changes is calculated and capacity decisionsare based upon the rate, the current temperature, and the controltemperature zone. Capacity is never added if the system ismoving toward the temperature target at an acceptable rate. Theunit will monitor all control functions and stage the compressorto maintain the required operating capacity.You name it.We cool it5
SKM Air Cooled Packaged ChillersAPCX Series - R134aOptional Features available for MagnumOptional FeaturesPC Support Software for MagnumFactory InstalledPC software to communicate with APCX microprocessor isavailable as an optional feature. Software is named MCS-Connectand it can provide both local and remote communications to thechiller microprocessor. This program allows viewing the entirestatus of chiller, inputs, outputs, set points, alarms, graphs etc.Through proper authorization, changes can be made to the system.Configuration files can be transmitted to or received from the unit.Communication between PC and chiller microprocessor can bemade through RS-232 serial port or Ethernet port.If there is more than one chiller, these chillers can be connectedtogether via Rs-485 network which can support up to 20 chillers.Access to this network can be local, via RS 232 or Ethernetconnection, or remote via 14.4K Baud modem. Each chiller in thenetwork must be assigned to a unique address. This address canbe changed from the LCD/keypad of the unit or through MCSConnect software. RS 232 transmission should not exceed 50feet in length and RS 485 transmission should not exceed 1 milewithout repeater. For Ethernet communication, it is necessary touse a crossover cable when connected directly to a PC.This software can run with Windows 2000 or newer version.Low Ambient Operation KitAlternative Condenser MaterialMade of copper tubes and alternative fin material and/or protectivecoating. For Copper Fins specify (FC)For Copper Fins only electrotinned (CFT)For Copper Coil electrotinned specify (FCT)For Pre Coated Aluminum Fins specify (FAP)For Aluminum Fins with Aeris Coat Protection specify(FAA)For Copper Fins with Aeris Coat Protection specify (FCA)Galvanised Frame(GFB)Hot dip galvanised after manufacture, steel frame and base.IP55 Control Panel(ICP)Control Panel for special applications to meet IP55 requirements.Evaporator Casing(ECA/ECG/ECS)Shell and insulation casing enclosed in a jacket/casing ofaluminum, galvanized or stainless steel as required.BMS CommunicationBMS communication with the chiller microprocessor is possiblethrough hardwired signals or major BMS protocols.Condenser Coil GuardVolt free contacts for Run, Common fault and Auto modeindications and provision for remote start/stop are provided asstandard feature. In addition to these, below options can beprovided if specified. Emergency Stop – A volt free contact from BMS to chiller,which is normally closed and opens on an emergency shutdown condition. It will make the chiller to shut downimmediately bypassing normal shut down procedure. Chilled water reset – A 0-5VDC signal from BMS to chiller,which allows resetting chilled water set point around anacceptable range.(CGP)Coil wire mesh guard, in galvanised and painted finish, forcondensers. Recommended on ground level installations wherecoil needs to be protected against vandalism.Electronic Expansion ValveHard Wired of BMS Connection(EEV)To provide energy saving benefits over mechanical thermostaticexpansion valve (TXV).Part Winding Start(PWS)To reduce starting current of compressors. Compressor motorwinding is split into two parts. First part winding will be switchedon first and after a delay of 1 second, second part winding willbe switched on. (Some compressors are with part windingas standard. Please refer table-5 of page-18.)Individual Refrigerant Circuit(IRC)For independent refrigeration circuits other than standardarrangement shown, consult SKM.Load Limit Control Kit(LCK)To prevent nuisance trip-out when the entering chilled watertemperature is above 76 F (24.4 C) at start up or where chillersmay be subject to shut down for long periods during season.BMS ProtocolsThe chiller controller is capable to interface with four major buildingmanagement systems, which are BACnet, Modbus, Lonworks andJohnson N2, by adding optional hardware. This interface allows tomonitor the status of chiller and individual circuits, all inputs andoutputs, chilled water set point etc. The required BMS protocoland number of chillers needs to be specified during the time oforder as costing of the BMS interface involves these parameters.6(LAO)For operation down to 25 F (-4 C) ambient. Specify minimumdesign ambient temperature on order.Voltage Monitoring Module(VMM)To prevent APCX unit operation in the event of phase loss,phase reversal, and under voltage/over voltage on the incomingline voltage.You name it.We cool it
SKM Air Cooled Packaged ChillersAPCX Series - R134aVoltage Monitoring Module as per DEWA(DVM)Under voltage relay as per DEWA regulations. This option isavailable for Dubai, UAE only.Evaporator Freeze-Up Protection(EFP)Heating cable with thermostat to prevent evaporator freeze-upwhere low ambient temperatures below 32 F (0 C) are anticipatedwithout chiller operation.Ammeter and Phase Selector Switch(AMPI)To indicate running Amperes on main incomer/incomers of a chiller.Voltmeter and Selector Switch(VSS)For incoming line voltage.Pressure Gauges(SDG)Suction and discharge and oil pressure indication of eachrefrigerant circuit. Gauges mounted outside the Control Panel.Low Noise Fan & Motor(LNF)Capacity Control Steps(CRS1 & CRS2)Where loads may vary greatly and finer capacity control isdesired, the standard control steps may not be suffice. Additionalcapacity control steps are available as options CRS1 and CRS2.See page 20 for this additional control options available.Marine Paint(MP)To provide increased corrosion resistant in coastal environmentsand off-shore locations.Compressor Sound Enclosure(CSE)To reduce compressor sound, compressor sound enclosure withisulated panels is mounted around the compressor.ASME Stamped Evaporator(STE)Shell and Tube evaporator with ASME stamp.Note : Some optional items are not applicable, for all sizes/models, consult SKM.Low noise Fan & Motor assembly can be provided forapplications where minimal unit sound is required.Vibration Eliminator(DVE)Options for Field InstallationFor parallel compressor circuiting, vibration eliminators can be.provided as an optionChilled Water Flow Switch(CWFS)Anti-Vibration, Spring Type(CAVM)You name it.We cool it7
SKM Air Cooled Packaged ChillersAPCX Series - R134aENGINEERING SPECIFICATIONS - 50 HZModelCooling Capacity (1)Cooling Capacity (2)CompressorCode / Qty1Oil (Polyol Ester) ChargeCode / Qty2Oil (Polyol Ester) ChargeCondenser CoilAreaCondenser Fan (823)QtyAirflow RateCondenser Fan MotorSize / QtyEvaporatorCode / QtyRef. CircuitsWater VolumeRefrigerant Charge (R134a)Operating Weight (Approx.)ModelCooling Capacity (1)Cooling Capacity (2)CompressorCode / Qty1Oil (Polyol Ester) ChargeCode / Qty2Oil (Polyol Ester) ChargeCondenser CoilAreaCondenser Fan (823)QtyAirflow RateCondenser Fan MotorSize / QtyEvaporatorQtyRef. CircuitsWater VolumeRefrigerant Charge (R134a)Operating Weight 6.0112.9-/#USGalLitre-/#USGalLitreft²m²#cfml/skW x -Hermetic Reciprocating Discus 1450 rpm22223131.1 x 21.9 x 22.0 x 22.0 x 21.9 x 31.9 x 32.0 x 34.3 x 27.4 x 27.7 x 27.7 x 27.4 x 37.4 x 37.7 x 322.0 x 27.7 x 2Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum ler direct drive 960 1774217742254912630726612Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.1 x 41.1 x 6Direct Expansion shell & 07564.6227.112.0 x 17.7 x 122.0 x 27.7 x l/skW x ###USGalLitreLbKgLbKg31.9 x 37.4 x 332.0 x 37.7 x 6459.9477.5489.8507.7Semi-Hermetic Reciprocating Discus 1450 rpm16426641.9 x 12.0 x 62.0 x 42.0 x 22.0 x 61.9 x 61.9 x 47.4 x 17.7 x 67.7 x 47.7 x 27.7 x 67.4 x 67.4 x 4524242.0 x 52.0 x 22.0 x 42.0 x 22.0 x 47.7 x 57.7 x 27.7 x 47.7 x 27.7 x 4Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum fins266.7284.4248.826.424.823.1Propeller direct drive 960 2613532255322553225532256797667976Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.1 x 121.1 x 16Direct Expansion shell & 19073Table 1Notes :1). Capacity ratings are based on standard AHRI 550-590 conditions of 95 F (35 C) ambient, 44 F (6.7 C) leaving chilled watertemperature, 10 F (5.5 C) range and 0.0001 ft².h F/Btu (0.018 m². C/kW) fouling factor2). Capacity ratings are based on 115 F (46 C) ambient, 45 F (7.2 C) leaving chilled water temperature, 10 F (5.5 C)range and 0.0001 ft².h F/Btu (0.018m². C/kW) fouling factor.8You name it.We cool it
SKM Air Cooled Packaged ChillersAPCX Series - R134aENGINEERING SPECIFICATIONS - 50 reft²m²#cfml/skW x 74.1260.589.1313.376.8270.041.9 x 47.4 x 4-21.9 x 27.4 x 222.0 x 27.7 x #USGalLitre-/#USGalLitreft²m²#cfml/skW x ###USGalLitreLbKgLbKg175.3616.4150.5529.2Notes etic Reciprocating Discus 1450 rpm142421.9 x 12.0 x 42.0 x 22.0 x 41.1 x 27.4 x 17.7 x 47.7 x 27.7 x 44.3 x 23242.0 x 32.0 x 21.9 x 47.7 x 37.7 x 27.4 x 4Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum fins177.716.5Propeller direct drive 960 52115Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.1 x 8Direct Expansion shell & 418.3102.4360.0125.7442.0108.2380.461.9 x 67.4 x 6-41.9 x 47.4 x 422.0 x 27.7 x 2213.319.81210803650982108036509821.1 x emi-Hermetic Reciprocating Discus 1450 rpm2864281.9 x 22.0 x 82.0 x 62.0 x 42.0 x 22.0 x 87.4 x 27.7 x 87.7 x 67.7 x 47.7 x 27.7 x 862462.0 x 62.0 x 22.0 x 42.0 x 67.7 x 67.7 x 27.7 x 47.7 x 6Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum fins355.6320.033.029.7Propeller direct drive 960 670966709667096670966Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.1 x 16Direct Expansion shell & 2205522060955899609998100001000210005Table 1 ends1). Capacity ratings are based on standard AHRI 550-590 conditions of 95 F (35 C) ambient, 44 F (6.7 C) leaving chilled watertemperature, 10 F (5.5 C) range and 0.0001 ft².h F/Btu (0.018 m². C/kW) fouling factor.2). Capacity ratings are based on 115 F (46 C) ambient, 45 F (7.2 C) leaving chilled water temperature, 10 F (5.5 C)range and 0.0001 ft².h F/Btu (0.018m². C/kW) fouling factor.You name it.We cool it9
SKM Air Cooled Packaged ChillersAPCX Series - R134aENGINEERING SPECIFICATIONS - 60 HZModelCooling Capacity (1)Cooling Capacity (2)CompressorCode / Qty1Oil (Polyol Ester) ChargeCode / Qty2Oil (Polyol Ester) ChargeCondenser CoilAreaCondenser Fan (823)QtyAirflow RateCondenser Fan MotorSize / QtyEvaporatorCode / QtyRef. CircuitsWater VolumeRefrigerant Charge (R134a)Operating Weight (Approx.)ModelCooling Capacity (1)Cooling Capacity (2)CompressorCode / Qty1Oil (Polyol Ester) ChargeCode / Qty2Oil (Polyol Ester) ChargeCondenser CoilAreaCondenser Fan (823)QtyAirflow RateCondenser Fan MotorSize / QtyEvaporatorQtyRef. CircuitsWater VolumeRefrigerant Charge (R134a)Operating Weight �m²#cfml/skW x 0.5Semi-Hermetic Reciprocating Discus 1750 rpm22223131.1 x 21.9 x 22.0 x 22.0 x 21.9 x 31.9 x 32.0 x 34.3 x 27.4 x 27.7 x 27.7 x 27.4 x 37.4 x 37.7 x 322.0 x 27.7 x 2Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum ler direct drive 960 310273202432403Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.5 x 41.5 x 6Direct Expansion shell & W x ###USGalLitreLbKgLbKg6145147.4518.3126.8445.831.9 x 37.4 x 332.0 x 37.7 x 2.6149.836.7129.0608586.9305.574.5261.912.0 x 17.7 x 122.0 x 27.7 x .1601.6Semi-Hermetic Reciprocating Discus 1750 rpm16426641.9 x 12.0 x 62.0 x 42.0 x 22.0 x 61.9 x 61.9 x 47.4 x 17.7 x 67.7 x 47.7 x 27.7 x 67.4 x 67.4 x 4524242.0 x 52.0 x 22.0 x 42.0 x 22.0 x 47.7 x 57.7 x 27.7 x 47.7 x 27.7 x 4Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum fins266.7284.4248.826.424.823.1Propeller direct drive 960 .4Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.5 x 12Direct Expansion shell & tube13442.7242.7242.7242.7242.7242.7234.21 x 2161.7161.7161.7161.7161.7161.7129.5 x 119073Table 2Notes :1). Capacity ratings are based on standard AHRI 550-590 conditions of 95 F (35 C) ambient, 44 F (6.7 C) leaving chilled watertemperature, 10 F (5.5 C) range and 0.0001 ft².h F/Btu (0.018 m². C/kW) fouling factor.2). Capacity ratings are based on 115 F (46 C) ambient, 45 F (7.2 C) leaving chilled water temperature, 10 F (5.5 C)range and 0.0001 ft².h F/Btu (0.018m². C/kW) fouling factor.10You name it.We cool it
SKM Air Cooled Packaged ChillersAPCX Series - R134aENGINEERING SPECIFICATIONS - 60 reft²m²#cfml/skW x 8.0309.4105.8372.091.3321.041.9 x 47.4 x 4-21.9 x 27.4 x 222.0 x 27.7 x 2142.213.287656413691.1 / #cfml/skW x 4100.7106.7111.7331.9354.1375.2392.7Semi-Hermetic Reciprocating Discus 1750 rpm142421.9 x 12.0 x 42.0 x 22.0 x 41.1 x 27.4 x 17.7 x 47.7 x 27.7 x 44.3 x 23242.0 x 32.0 x 21.9 x 47.7 x 37.7 x 27.4 x 4Air-cooled 3 or 4 rows, 14 fpi (2.1mm) fin spacing, copper tubes aluminum fins177.716.5Propeller direct drive 960 rpm8915441344364320463447Totally enclosed air over, Class-F insulation, 6 pole, IP-55 protected1.5 x 8Direct Expansion shell & 5113.51821951952002048289899193102071074910754107
Air Cooled Packaged Chillers A P C X - 5 1 0 0 Y Nominal Tonnage Power Supply Code Y : 380-415V/3Ph/50Hz P : 440V/3Ph/50Hz R : 380V/3Ph/60Hz E : 460V/3Ph/60Hz T : 220V/3Ph/60Hz Nomenclature Introduction APCX Series Air Cooled Packaged Chillers are the new generation of SKM chillers. APCX Series have quite and low vibration design and
Standard COOLER Air Cooled Packaged Liquid Chillers have the following characteristics: CAPC Models: from 30 up to 502 Ton (from 87,000 up to 1,500,000 Kcal) All Units can be custom tailored on request The COOLER Air Cooled Packaged Liquid Chillers is a packaged unit completely factory assembled on a stiff steel structure with
SKM Air Cooled Packaged Chillers APCN-S Series - R-134a SKM Air Cooled Packaged Chillers APCN-S Series - R-134a Condensers Condenser coils are manufactured from seamless Hi-x copper tubes mechanically bonded to aluminium fins to ensure optimum heat transfer. All coils are tested against leakage by air pressure of 450 psig (3102 kPa) under water.
Air Cooled Chiller Air Air 2 Air Air 6 AIR COOLED CHILLERS Air-cooled chillers are refrigeration machines that remove heat from cooling loads using chilled water and reject this heat into the atmosphere using refrigerant. THEY ALL HAVE fans, condenser coils, and compressors. Air-cooled chillers are used to provide cooling for human comfort and electronic equipment as well as industrial process .
Maximum Series portable chillers can be used on a variety of process applications that require 20 F to 80 F chilled water. MAXIMUM SERIES † Air & Water-Cooled † 1/4 to 40 Tons † 20 F to 80 F † Using Non-Ozone Depleting Refrigerants 10 ton air-cooled model 10 ton water-cooled model 2 ton water-cooled model 1 ton air-cooled model
Water cooled W 220-240V, 50Hz 2 Inverter H-Q Water cooled 0 0 1 2 R132 C Earth source E 115-220V, 50/60Hz 3 DC inverter R-Z Earth source R134A D 220-220V, 60Hz 4 Air-cooled module chiller A R410A E 110V, 50-60Hz 5 Light chiller Split-packaged H Cooling only R22 M 220V, 50-60Hz 6 Single-packaged R R407C N 127V, 60Hz 7 Water-cooled cabinet .
Air-Cooled Chiller The use of air-cooled chillers in process and comfort cooling applications has been steadily increasing in recent years. The air-cooled chiller has evolved from a packaged product, with few options, to a fully customizable unit that can be tailored to meet specific application and job site requirements. High-efficiency air-cooled
ACH Air-Cooled, Horizontal Air Flow ACV Air-Cooled, Vertical Air Flow ACR Air-Cooled Remote Condenser WCC Water-Cooled Condenser Digit 6 — Chilled Water System P Recirculating System, Tank and Pump M Single Pass Chiller Unit (no tank and pump) Digit 7 — Cabinet Type H Horizontal Low Profile V Vertical Upright
J. Chil. Chem. Soc., 59, N 4 (2014) 2747 EXPERIMENTAL ACTIVITIES IN THE LABORATORY OF ANALYTICAL CHEMISTRY UNDER AN INQUIRY APPROACH HELEN ARIAS 1, LEONTINA LAZO1*, FRANCISCO CAÑAS2 1Intituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, Curauma, Valparaíso, Chile. 2Universidad Andres Bello, Departamento de Química, Facultad de .
