Hitachi RCI-1.0FSN3 Service Manual page 133

3 Piping work and
refrigerant charge
Direction of piping connection
Direction of piping connection is shown in the figure below.
Left side piping
• Right Side Piping
Cut the corner by plastic cutter as shown below and remove sharp edge completely.
• Left Side Piping
Cut the corner by plastic cutter as same as the right side piping. (Perform this procedure before the indoor unit is hung
onto the wall.)
a. When the left side piping is selected, the drain pipe outlet should be changed from right side to left side. If it is not
changed to left side and the suspension bracket is fixed onto the fall with right down slope, the drain water flows
back so that may cause water leakage from the drain pan.
b. For the pipe installation embedded in the wall, the positions of piping are as follows.
121
SMGB0077 rev.0 - 01/2013
Left side of indoor unit
Bottom side piping
Right side of indoor unit
Right side
piping
Rear side
piping
Right side cover
Plastic cutter
Cut this corner
3