InstallationQuestion 32 of 110
A properly installed refrigerant line set should have the liquid line and suction line sized according to what?
a.The color of the insulation
b.The length of the thermostat wire
c.The manufacturer's specifications for the system capacity and line length
d.The size of the electrical breaker
Explanation
Line-set diameters are selected from manufacturer tables based on system tonnage, total line length, and vertical rise. Incorrect sizing causes oil-return problems, capacity loss, or excessive pressure drop. Following the specifications ensures proper refrigerant and oil flow.
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