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SPX Cooling Technologies MHF705, MHF702 user manual

Models: MHF702 MHF705

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SPX Cooling Technologies MHF705, MHF702 user manual

Contents

Marley MH Fluid Cooler User Manual sea05-116EPage Contents Safety First PreparationThose are only some of the safety issues that may arise in the design Fluid Cooler LocationItisnot intended nor assumed that access tothe fan deck onsingle-flow to be sure that all safety considerations have been addressedReceiving Fluid Cooler InstallationTower Shipment Hoisting Fluid CoolerFluid Cooler Installation InstallationInstallation Motor WiringWhen using a starter Installation When using a two-speed starterWhen using a VFD Before beginning, ensure that the motor is rated for “Inverter Duty”Installation Improper use of a VFD may cause damage to equipment or personal injury. Failure to correctly install the VFD drive will automatically void all warranties associated with the motor and any equipment that is either electrically or mechanically directly attached to the VFD drive system. The length of this warranty avoidance will be contingent on properly installing the VFD system and repairing any damage that may have occurred during its operation. SPX Cooling Technologies does not assume responsibility for any technical support or damages for problems associate with non-Marley brand VFD systemsMechanical Equipment InstallationInstallation 10 - 60 hrs. of operation. See Bushing Fastener Torque Values on pageWater System OperationFluid Cooler Start-Up Operation 7. While operating the recirculating water pumps and prior to operat- ing the cooling tower fan, execute one of the two alternative biocidal treatment programs described in the followingOperation Fluid Cooler OperationGeneral fan acceleration time of 30 seconds per hour Wintertime OperationOperation Slushy, transitory ice forms routinely in the colder regions of the fill of low temperature towers, and is visible through the tower louvers. Such ice normally has no adverse effect on fluid cooler operation, but its appearance should be a signal to the operator to undertake ice control procedures OperationOperation Intermittent Wintertime OperationProtection Against Coil Freezing Operation Draining the coil is not acceptable as a normal method of freezeMaintaining Water Quality MaintenanceWater Treatment and Blowdown Maintenance Fluid Cooler CleaningBlowdown When water treatment chemicals are added, they should not be in Belt TensioningMaintenance SINGLE MOTOR-TWO FANS JACKING SCREWSMOTOR JACKING SCREWS MOTORFAN SHAFT SHEAVE Sheave AlignmentMaintenance STRAIGHT EDGEMaintenance Fluid Cooler MaintenanceBushing Fastener Torque Values Maintenance Semi-Annually If equipped, check the belt tension and conditionOpen and lock out disconnect switch to make certain motor cannot Motor Relubrication InstructionsMaintenance oil designed specifically for these Geareducers. If, after five yearson page Seasonal Shutdown InstructionsMaintenance Prolonged Shutdown MaintenanceSPX Cooling Technologies Services MaintenanceMonthly Maintenance ScheduleMaintenance Service Semi-annuallyCause TroubleshootingTrouble RemedyCause TroubleshootingTrouble RemedyAdditional Information Page seaM05-116E SPX COOLING TECHNOLOGIES MALAYSIA Sdn Bhd