21
L-2086
Fig.7 - Refrigeration Line Sizes
Notes:
• Maximum length of refrigerant line between condensing unit and
cooling unit is 50 feet (15m).
• Only use seamless refrigeration grade copper tubing.
• Insulate discharge and suction tubes separately.
• Use minimum 3/8” (10mm) thick closed cell insulation.
• Seal (glue and/or tape) all insulation seams.
• Use “dead-head” orientation of TEEs on multiple cooling unit sys
-
tems to help ensure proper distribution of refrigerant.
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