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Section 3 • Installation
8. On air cooled oil coolers, the oil lines from the compressor must be connected to the air cooled oil cooler. Oil cooler fans will need to be wired and checked for proper rotation. Refer to supplied GA drawing for connection points and piping sizes.
9. The oil separator should be charged with oil to the Maximum
10. The center member of the compressor is shipped loose to help facilitate final field alignment and allow for motor rotation check.
11. Both the compressor and motor hubs should be checked for concentricity and perpendicularity.
12. The motor should be checked and shimmed for a soft foot prior to attempting final alignment.
13. The motor should be checked to make sure that it is lubricated properly. Proper
14. The center section of the coupling should be left out to allow the
15. Verify that all valves are in the open position.
16. Verfiy that the visual indicator on the Oil Temperature Control Valve (Oil Mixing Valve) position corresponds with “% OPEN” on the control panel. CLOSE position is 0% OPEN, OPEN position is 100% OPEN.
17. A system load should be available at the time of
18. The unit should be pressure tested and purged with a dry gas. Care should be taken to not pressurize exces- sively from the suction end of the compressor, as this will drive the compressor in a forward motion without lubrication and may cause damage.
19. Have a qualified electrician present to verify wiring during
20. Keep a hard copy of the final set points in case the
VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391SSG | 3 – 23 |