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Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153
Best Practices
• Do:
• Keep AC wires away from circuit boards.
• Always run conduit into the bottom or sides
of an enclosure.
• If the conduit must be placed in the top of an
enclosure, use a water-tight conduit fi tting to
keep water from entering the enclosure.
• The Vission 20/20 is supplied with pre-
punched conduit holes. Use them!
• Don’t:
• Don’t run wires through the Vission 20/20
enclosure that are not related to the compres-
sor control.
• Don’t add relays, timers, transformers, etc. in
the Vission 20/20 enclosure without fi rst check-
ing with Vilter.
• Don’t run conduit into the top of an enclosure.
• Don’t run refrigerant tubing inside the
enclosure.
• Don’t drill metal enclosures without taking
proper precautions to protect circuit boards
from damage.
Section 2 • Installation Recommendations