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VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391SSG
Appendix E • Recommended Remote Air Cooled Oil Cooler Piping
OUTLET ON TOP
INLET ON BOTTOM
• Vertical drops should be no higher than 8 to 10 feet.
• If there is no choice and the vertical drops need to be higher, then an electronic service
valve needs to be installed in the return line at the compressor. Consult Factory.
• If ambient temperatures get below 50° F, heat trace and insulation on oil lines and air
cooler headers needs to be used.
• Maximum pressure drop on oil lines to and from air cooler and compressor should not
exceed anymore than 5 to 10 psi.
Recommended location of drain
connections as required.