CellarPro 4000SH HORIZONTAL SPLIT SYSTEM 220V 50/60HZ, 16270 - Manual (Page 21)

21
1. When the evaporator and condensing unit are located on the same level,
arrange the suction line slightly downward to the condensing unit, as
follows:
2. When the evaporator is located below the condensing unit,
a suction trap
must be installed at the evaporator, and an inverted trap must be installed at
the condensing unit, for proper oil return, as follows:
3. When the evaporator is located above the condensing unit,
the suction
line must be laid out with double arcs in the form of oil traps above and below.
This is done using a U-shaped arc at the lower end and a P-shaped arc at the
upper end of the vertical riser, as follows: