Rpf(I)-(1.0-2.5)Fsn2E - Floor Type - Hitachi RCI-1.0FSN4 Service Manual

3 Piping work and refrigerant charge
Refrigerant and drain hose installation
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.
!
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

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Refrigerant pipe installation
The correct position for the refrigerant pipe connection is shown below.
Gas pipe
Liquid pipe
Drain pipe
Models
RPF(I)-(1.0-1.5)FSN2E
RPF(I)-2.0FSN2E
RPF(I)-2.5FSN2E
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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.
128 SMGB0099 rev.0 - 12/2016
Gas pipe mm (inches)
Ø12.70 (1/2)
Ø15.88 (5/8)
Create down-slope
VP16
Gas pipe
Liquid pipe
Drain pipe
Liquid pipe mm (inches)
Ø6.35 (1/4)
Ø9.52 (3/8)
Wrap the vinyl tape
Connection
Drain hose mm
Ø18.5
Drain pipe
Drain pipe
Insulating material
Insulating material:
(field-supplied)
(field-supplied)
PVC pipe
PVC pipe
(field-supplied)
(field-supplied)