The following service to be performed per manufacturers recommendation on district chillers: Trane CVHE/CVHF Centrifugal Chiller Annual Inspection (One Per Year) Chiller Starter (Reduced Current &Cross line) andControl Panel • Tighten all electrical connections • Test and record electrical integrity of main compressor motor by means of megaohm test @ 1000VDC. • Test and record electrical integrity of oil pump motor via appropriate means. I.E. megaohm test, continuity test, etc. • Disassemble main contactors, clean and inspect contacts • Verify reliable and efficient operation of starter contactors • Inspect contactors for wear, misalignment, discoloration, or other signs of vulnerability. • Test auxiliary contacts for smooth operation and positive contact closure • Verify proper operation of mechanical interlock (Y-Delta, Primary Reactor, and Auto Transformer) • Remove any dirt, dust, debris, etc. from starter cabinet and control panel. Operating and Safety Controls • Check and record all safety settings in the chiller micro compressor, verify appropriate settings and adjust as necessary. • Check and record accuracy of all temperature sensors • Check and record accuracy of all pressure sensors • Check and record operation of high condenser pressure switch • Check for smooth and reliable operation of inlet guide vanes • Lubricate external vane linkage assembly • Lubricate vane linkage shaft bearings and rod end bearings • Lubricate 1st stage vane operator 0-rings • Lubricate oil filter shut off valve...
