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SPX Cooling Technologies MHF702, MHF705 user manual

Models: MHF702 MHF705

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SPX Cooling Technologies MHF702, MHF705 user manual

Contents

User Manual sea05-116E Marley MH Fluid CoolerPage Contents Preparation Safety Firstto be sure that all safety considerations have been addressed Fluid Cooler LocationItisnot intended nor assumed that access tothe fan deck onsingle-flow Those are only some of the safety issues that may arise in the designHoisting Fluid Cooler InstallationTower Shipment Receiving Fluid CoolerInstallation Fluid Cooler InstallationInstallation Motor WiringWhen using a starter Before beginning, ensure that the motor is rated for “Inverter Duty” When using a two-speed starterWhen using a VFD InstallationImproper 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 InstallationWater System OperationFluid Cooler Start-Up 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 OperationOperation Fluid Cooler OperationGeneral fan acceleration time of 30 seconds per hour Wintertime OperationOperation 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 proceduresOperation Intermittent Wintertime OperationProtection Against Coil Freezing Draining the coil is not acceptable as a normal method of freeze OperationMaintaining Water Quality MaintenanceWater Treatment and Blowdown Maintenance Fluid Cooler CleaningBlowdown When water treatment chemicals are added, they should not be in Belt TensioningMaintenance JACKING SCREWS MOTOR JACKING SCREWSMOTOR SINGLE MOTOR-TWO FANSSTRAIGHT EDGE Sheave AlignmentMaintenance FAN SHAFT SHEAVEMaintenance Fluid Cooler MaintenanceBushing Fastener Torque Values Semi-Annually If equipped, check the belt tension and condition Maintenanceoil designed specifically for these Geareducers. If, after five years Motor Relubrication InstructionsMaintenance Open and lock out disconnect switch to make certain motor cannoton page Seasonal Shutdown InstructionsMaintenance Maintenance Prolonged ShutdownMaintenance SPX Cooling Technologies ServicesSemi-annually Maintenance ScheduleMaintenance Service MonthlyRemedy TroubleshootingTrouble CauseRemedy TroubleshootingTrouble CauseAdditional Information Page SPX COOLING TECHNOLOGIES MALAYSIA Sdn Bhd seaM05-116E