Trane RTCA 108-216, RTUB 207-224 manual Operation

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Contents

Operation

Pre-start Checkout	21

Unit Voltage Power Supply	21

Unit Voltage Imbalance	21

Unit Voltage Phasing	21

Water System Flow Rates	22

Water System Pressure Drop	22

Daily Unit Start-up Procedure	22

Seasonal Unit Start-up Procedure	23

Temporary Shutdown and Restart	23

Extended Shutdown Procedure	23

System Restart after Extended Shutdown	23

Maintenance

Periodic Maintenance	25

Refrigerant and Oil Charge Management	27

R134a Field-charging Procedure	28

Charge Isolation on the High or Low Side of the System	28

Filter Replacement Procedure	29

Lubrication System	29

Oil Charging Procedure	29

Safety Recommendations	32

Maintenance Contract	32

Training	32

4	CG-PRC010-E4

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Contents Installation Operation Maintenance Refrigerant Contents Operation General information Inspection ChecklistUnit Inspection Loose Parts Inventory Description of the UnitGeneral data Rtub General data Rtca Installation responsibilities InstallationStorage Isolation Special Lifting and Moving InstructionsFoundation Clearances Length Width HeightReleasing the Nitrogen Holding Charge DrainageWater Connections Rtub Water Pressure Gauges Flow Switch InstallationWater Treatment Refrigerant Safety Valves Installing and connecting temperature sensorsExtension of sensor power cable Water Pressure-Relief ValvesElectrical connections performed by the installer Connecting the Rtub with a remote air-cooled condenserDetail of positions of refrigerant sensors 5R56-1 and 5R6-2 Units on the same level Rtca or other manufacturers condenser below the Rtub Pressure tests and leak detection Equivalent pressure dropsSize of the liquid line Discharge lineVacuum pumping Vacuum pump connectionInstallation Checklist OperationPre-start checkout Unit Voltage PhasingStart-up Procedures OverheatingShutdown procedures SubcoolingSeasonal Unit Start-up System Restart After Extended ShutdownOperation Maintenance For units with the discharge valve option For units without discharge valve optionSome symptoms of a refrigerant under-charged unit Some symptoms of a refrigerant over-charged unitSome symptoms of an oil over- charged unit Checking the separator oil levelR134a Field-Charging Procedure Charge Isolation in the high or low side of the systemFilter Replacement Procedure Oil Charging ProcedureLubrication System Measuring the oil levelField Oil-Charging Procedure Factory initial Oil-Charging ProcedureMaintenance Maintenance contract Safety recommendationsTraining