Hitachi RCI-1.0FSN3 Service Manual page 135

3 Piping work and
refrigerant charge
Model A
RPK-(0.8-1.5)FSN(H)3M 568
RPK-(2.0-4.0)FSN3M 550
When the left side drain piping connection is performed, remove the cap of left side
drain pipe, and then attach this cap to the right side drain pipe in order to change drain
piping connection from right side to left side. If the cap is fixed tightly, remove the cap
by using the plier. (Perform this procedure before the indoor unit is hung onto the wall.)
Provide a vinyl chloride pipe, VP16.
When the drain hose is used, do not create rising part or twist.
Create down-slope
Wrap the vinyl tape
Connection
VP16
Wrap surely the vinyl tape around the drain piping connection.
Insulate surely the drain pipe after the vinyl chloride pipe connection is completed.
6 Do not connect the drain pipe with sanitary or sewage piping or any other drainage piping.
7 After the drain piping work is completed, check that water flows smoothly by pouring water into the drain pan by a cup.
8 Wrap the field-supplied insulation around the drain pipe running through the indoor.
9 When installing the pipe, do not tie the drain pipe and refrigerant pipe together.
123
SMGB0077 rev.0 - 01/2013
Unit: mm
B C ØD
107 45 65
141 42 80
Drain pipe connection
(VP16)
Exterior contour for indoor unit
B
A
Hole for rear
side piping
(φ D)
Drain
Drain
outlet cap
hose
Drain outlet
cap
Insert until
this line
Left side
Drain
hose
Insert until
this line
Right side
3