3 Piping work and refrigerant charge
Refrigerant and drain hose installation
SMGB0099 rev.0 - 12/2016
128
Wrap surely the vinyl tape around the drain piping connection.
Insulate surely the drain pipe after the vinyl chloride pipe
connection is completed.
1 Do not connect the drain pipe with sanitary or sewage
piping or any other drainage piping.
2 After the drain piping work is completed, check that water
flows smoothly by pouring water into the drain pan by a
cup.
3
Wrap the field-supplied insulation around the drain pipe
running through the indoor.
4 When installing the pipe, do not tie the drain pipe and
refrigerant pipe together.
VP16
24m
m
Create down-slope
Wrap the vinyl tape
Connection
!
C A U T I O N
• Pay attention not to splash water to the electrical parts such as the fan motor or thermistors.
• When the common drain piping is connected with other indoor units, the connected position of each indoor unit must be higher than
the common piping. The size of common drain pipe must be large enough according to the unit size and number of units.
3.5.12 RPF(I)-(1.0-2.5)FSN2E - Floor type
Refrigerant pipe installation
The correct position for the refrigerant pipe connection is shown below.
Drain pipe
Liquid pipe
Gas pipe
Drain pipe
Liquid pipe
Gas pipe
Models
Gas pipe mm (inches)
Liquid pipe mm (inches)
Drain hose mm
RPF(I)-(1.0-1.5)FSN2E
Ø12.70 (1/2)
Ø6.35 (1/4)
Ø18.5
RPF(I)-2.0FSN2E
Ø15.88 (5/8)
RPF(I)-2.5FSN2E
Ø9.52 (3/8)
Drain pipe installation
The correct position for the drain hose connection is shown
below.
Prepare a polyvinyl chloride (PVC) pipe with an outer diameter
of 18.5 mm.
Secure the pipe with the adhesive supplied.
Insulate the drain hose after connecting the pipe, as indicated
in the figure.
Drain pipe
Insulating material:
(field-supplied)
PVC pipe
(field-supplied)
Drain pipe
Insulating material
(field-supplied)
PVC pipe
(field-supplied)
