“AO” and later design sequence, October | Trane SCRH, SCWH instruction

Installation, Operation, and Maintenance

Midrange Self-Contained Units

Models SCWH/SCRH 3, 5, 7.5, 10, 12, & 15-tons

“AO” and later design sequence

October 2008

PKG-SVX14A-EN

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Trane SCRH, SCWH manual “AO” and later design sequence, October, Installation, Operation, and Maintenance, PKG-SVX14A-EN

Contents

October “AO” and later design sequenceInstallation, Operation, and Maintenance Midrange Self-ContainedUnits Warnings and Cautions general informationExample Warnings and Cautions Special Note on Refrigeration Emissions Installation…………………………………………………2 contentsMaintenance ……………………………………………25 Operation…………………………………………………24 Unit Airflow Configurations Installation informationgeneral Midrange Model Number Description general Refrigerant Handling ProceduresGeneral Installation information Installation Preparation pre-installation Installation considerationsReceiving and Handling Pre-InstallationConsiderations pre-installation Installation considerations Service Access3 through 7.5-tonSCRH/SCWH Service Access pre-installation Installation considerations10 through 15-tonSCRH/SCWH pre-installation Installation considerations Isolator PlacementNote Isolators are field-provided 1 7/8 pre-installation Installation considerations Proper Lifting ProcedureImproper Unit Lift Installation weights dimensions &3 & 5-tons SCWH/SCRH vertical discharge SCWH dimensions 7.5-tons SCWH/SCRHInstallation weights vertical discharge dimensions SCWH/SCRHInstallation weights SCWH/SCRH dimensions & weight, in-lbs Installation weights dimensionsSCWH/SCRH Dimensions, in SCWH/SCRH dimensions PlenumInstallation weights Hot water coil 3 & 5-tonunits 7.5-tonunits Hot water coilHot water coil 10 thru 15-tonunits dimensions Duct Connections Installation requirementsmechanical Water Piping Electrical Requirements Refrigerant Piping Air-CooledUnits OnlyInstallation requirements Brazing Procedures Electrical Data Calculations electricalInstallation requirements Supply Power Wiring electrical Installation requirementsHazardous Voltage Table I-ER-1.Model SCWH/SCRHelectrical data Installation procedure installationInstallation Checklist Plenum Installation pre-startup Pre-StartupChecklistInstallation requirements Receiving Unit Startup Procedures Installation startupUnit Startup Checklist Hazardous voltage Operation operation sequence ofSequence of Operation Table M-GI-1.Midrange maintenance general data Maintenance informationgeneral Maintenance procedures maintenanceMaintenance Procedures Periodic Maintenance Checklist maintenance Refrigerant SystemMaintenance procedures Leak Testing Maintenance procedures maintenanceMotor Winding Damage Hazardous Pressures Periodic Checklists Maintenance checklistsperiodic Monthly Checklist Troubleshooting Maintenance troubleshootingHazardous voltage Insufficient cooling Maintenance troubleshootingHazardous voltage Maintenance diagram typical wiring Maintenance diagram typical wiringPKG-SVX01A-EN Maintenance diagram typical wiring Maintenance diagram typical wiringPKG-SVX01A-EN PKG-SVX14A-EN Literature Order NumberDate October

Trane SCRH, SCWH manual “AO” and later design sequence, October, Midrange Self-ContainedUnits

Models: SCWH SCRH