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Insulating the pipe located inside of the outdoor unit
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With a pipe insulator, insulate the pipe up to whole service valve located inside of the outdoor unit.
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Seal the gap between the outdoor unit pipe and the insulator. Rainwater and dewdrops may soak through the gap
between the pipe and the insulation of the outdoor unit installed on the outside.
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Separate the cover of the pipe and close it after insulation work. Only remove a knock-out hole cover where the pipe will
be installed. If the knock-out hole is open unnecessarily, it must be closed. If not, small animals such as squirrels and rats
may get into the unit through the hole and the unit may be damaged.
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