iglu Inuit 6I, Installation Manual

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REFRIGERANT PIPING WORK

Install the refrigerant pipe within the maximum allowable length, the difference in height and length after the first
branch pipe.

The pressure of the R-410A is high.

Use only rated refrigerant pipe and follow the installation method.

Use clean refrigerant pipe where there is no harmful ion, oxide, dust, iron content, or moisture.

Use adequate tools and accessories for R-410A.
Manifold Use a manifold gauge only for R-410A to prevent the inflow of foreign substances.
Vacuum pump Use a vacuum pump with a check valve to prevent pump oil from flowing backward while the
vacuum the pump is stopped.
Use the vacuum pump so that the vacuum induction is available up to 5Torr. (-100.7kPa)
Flare nut Use only the flare nut supplied with the product.
ALLOWABLE LENGTH OF THE REFRIGERANT PIPE AND THE INSTALLATION
EXAMPLES
ITEM EXAMPLE REMARKS
The maximum
allowable length
of pipe
Outdoor unit Total length Less than 50m
a ≤ 50 m
Maximum
allowable height
Outdoor unit Less than 30 m H1
If outdoor unit
is located lower
position H1
≤15 m
Additional refrigerant calculation R=Basic additional charge by the piping length
Contact the manufacturer if the length should exceed.