APC AFX Series Technical Information Page 1

AddendumRemote Air-CooledCondenserDATA CENTER SOLUTIONSFor More Information:(866) [email protected]

7Remote Air Cooled CondenserPiping DiagramsHead pressure control valve**ModuleFlooded receiver**“P” trapCondenserPitch in direction of refrigera

Remote Air Cooled Condenser8System InstallationInstalling the flooded receiverAttach the flooded receiver to the side of the heat exchanger.1. Positio

9Remote Air Cooled CondenserRefrigerant PipingRecommended line sizesSee the NetworkAIR FM Installation Manual for detailed installation information.Fo

Remote Air Cooled Condenser10Fittings and valvesSee the NetworkAIR FM Installation Manual for detailed installation information.ASHRAE refrigerant equ

11Remote Air Cooled CondenserCharging the system35° C (95° F) Ambient Condenser Flooded RecieversAPC SKU Larkin ModelCharge needed for Larkin Condense

Remote Air Cooled Condenser1240.5° C (105° F) Ambient Condenser Flooded ReceiversAPC SKU Larkin ModelCharge needed for Larkin Condensers filled 100% i

13Remote Air Cooled CondenserPiping VolumePiping InsulationSee “Piping Diagrams” on page 7 for details and locations of recommended valves.To prevent

Remote Air Cooled Condenser14Setpoint adjustmentSetpoint adjustment is defined as the temperature at which the relay de-energizes. Use the setpoint di

15Remote Air Cooled CondenserAdjusting the S350A/BRefer to the following steps for adjusting stage module settings.Electrical Hazard: Disconnect power

Remote Air Cooled Condenser16Default jumper settings for “heating”, relay NCModeFan ConnectionSensor Reading RelayFan StatusStandard OperationControl

ContentsRemote Air Cooled CondenseriOverview ... 1Save these instructions . .

17Remote Air Cooled CondenserExample of operation using an FM50 and LNH-S03-A026 condenser:The condenser has three fans. The first fan is located clos

Remote Air Cooled Condenser18Jumper setting: cooling with relay NOExample of operation using an FM50 and LNH-S03-A026 condenser:The condenser has thre

19Remote Air Cooled CondenserJumper set as “cooling”, relay NOElectrical Hazard: Ensure all power is off. It may be necessary to perform more than one

10/2006990-1904*990-1904*APC Worldwide Customer SupportCustomer support for this or any other APC product is available at no charge in any of the foll

Remote Air Cooled CondenseriiTemperature Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Operation . . . . . . .

1Remote Air Cooled CondenserOverviewSave these instructionsThis manual is an addendum to Larkin® installation manuals and contains technical informati

Remote Air Cooled Condenser2Safety Note: All work should be performed by APC authorized personnel only.Follow all local and national codes when instal

3Remote Air Cooled CondenserInspecting the EquipmentYour equipment has been tested and inspected for quality assurance prior to shipment from APC. To

Remote Air Cooled Condenser4Configuration and IntegrationIntroductionThe included electrical data, piping diagram, system installation information, an

5Remote Air Cooled CondenserElectrical ConnectionsREMOTE AIR COOLED CONDENSERUSER INTERFACEAFX FMAFX FM

Remote Air Cooled Condenser6Electrical DataOHE SKULarkinP/N VoltageAmbient Temperature Electrical Data95° F(35° C)105° F (40.5° C)115° F (46.1° C) FLA