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SPX Cooling Technologies MHF702 user manual Marley MH Fluid Cooler, User Manual sea05-116E

Models: MHF702 MHF705

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/ Marley MH Fluid Cooler /

/ Marley MH Fluid Cooler /

User Manual sea_05-116E

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SPX Cooling Technologies MHF702, MHF705 user manual Marley MH Fluid Cooler, User Manual sea05-116E

Contents

User Manual sea05-116E Marley MH Fluid CoolerPage Contents Preparation Safety FirstItisnot intended nor assumed that access tothe fan deck onsingle-flow Fluid Cooler LocationThose are only some of the safety issues that may arise in the design to be sure that all safety considerations have been addressedTower Shipment InstallationReceiving Fluid Cooler Hoisting Fluid CoolerInstallation Fluid Cooler InstallationWhen using a starter Motor WiringInstallation When using a VFD When using a two-speed starterInstallation Before beginning, ensure that the motor is rated for “Inverter Duty”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 systems InstallationInstallation Mechanical Equipment10 - 60 hrs. of operation. See Bushing Fastener Torque Values on page InstallationFluid Cooler Start-Up OperationWater System 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 following OperationGeneral Fluid Cooler OperationOperation Operation Wintertime Operationfan acceleration time of 30 seconds per hour Operation 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 proceduresProtection Against Coil Freezing Intermittent Wintertime OperationOperation Draining the coil is not acceptable as a normal method of freeze OperationWater Treatment and Blowdown MaintenanceMaintaining Water Quality Blowdown Fluid Cooler CleaningMaintenance Maintenance Belt TensioningWhen water treatment chemicals are added, they should not be in MOTOR JACKING SCREWSSINGLE MOTOR-TWO FANS JACKING SCREWS MOTORMaintenance Sheave AlignmentFAN SHAFT SHEAVE STRAIGHT EDGEBushing Fastener Torque Values Fluid Cooler MaintenanceMaintenance Semi-Annually If equipped, check the belt tension and condition MaintenanceMaintenance Motor Relubrication InstructionsOpen and lock out disconnect switch to make certain motor cannot oil designed specifically for these Geareducers. If, after five yearsMaintenance Seasonal Shutdown Instructionson page Maintenance Prolonged ShutdownMaintenance SPX Cooling Technologies ServicesMaintenance Service Maintenance ScheduleMonthly Semi-annuallyTrouble TroubleshootingCause RemedyTrouble TroubleshootingCause RemedyAdditional Information Page SPX COOLING TECHNOLOGIES MALAYSIA Sdn Bhd seaM05-116E