3 Piping work and
refrigerant charge
115
3
SMGB0077 rev.0 - 01/2013
Models Gas pipe mm (inches) Liquid pipe mm (inches)
RPI-2.0FSN4E
Ø15.88 (5/8)
Ø6.35 (1/4)
RPI-(2.5/3.0)FSN4E
Ø9.52 (3/8)
RPI-(4.0-6.0)FSN4E
N O T E
When installing the pipes, leave enough space for maintenance work in the electrical box of the unit.
Drain pipe installation
The correct position for the drain hose connection is shown below.
Drain pipe
Prepare a polyvinyl chloride (PVC) pipe with an outer diameter of
32 mm.
Fasten the tubing to the drain hose with an adhesive and the
factory supplied clamp. The drain piping must be performed with a
down-slope pitch of 1/25 to 1/100.
Then insulate the drain hose appropriately.
Insulation (Field-Supplied)
Side Unit
1/25~1/100
Down Slope
Polyvinyl Chloride Tube
(Field-Supplied)
Clamp
(Factory-Supplied)
Drain Piping
(Factory-Supplied)
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