Installation Operation Maintenance

General Start-upPreparationCarry out all operations on check listso that the unit is correctly installedand ready to operate. The installermust check all the following pointsbefore calling in the Trane ServicingDepartment to put the equipmentinto service:• Check position of unit• Check unit is level• Check type and position ofrubber pads• Check clearance required formaintenance (Refer to certifieddrawings)• Check clearance aroundcondenser access if splitinstallation (CCUN + RTCA -Refer to certified drawings)• Chilled water circuit ready tooperate, filled with water,pressure test carried out and airpurged• Chilled water circuit must berinsed• Check the presence of waterstrainer ahead of evaporator• The strainers must be cleanedafter 2 hours of pumps operation• Check the thermometers andmanometers position• Check chilled water pumpsinterconnection to control panel• Ensure that the isolationresistance of all power supplyterminals to ground complieswith standards and regulationsin force• Check that unit voltage andfrequency supplied match ratedinput voltage and frequency• Check that all electricalconnections are clean and sound• Check that main power supplyswitch is sound• Check Ethylene glycol orPropylene glycol % in the chilledwater circuit• Water flow control checking:decrease the water flow andcheck the electrical contact in thecontrol panel• Check chilled water pressuredrop through evaporator (unitwithout hydraulic module) orunit available pressure (unit withhydraulic module) are inaccordance with the Trane orderwrite-up (See Figures 19-34).• On start-up of each motor in thesystem, check the direction ofrotation and operation of all thecomponents they drive• Check that there is sufficientdemand for cooling on the dayof start-up (around 50% ofnominal load)CG-SVX06A-E431