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14
ENGLISH
- If the distance between the outside unit s becomes more than
2m(6.6ft), apply Oil Traps between the gas pipes.
- If the outside unit is located lower than the main pipe, apply Oil Trap.
Pipes between outside unit
s are 2m(6.6ft) or longer
Oil Trap
Oil Trap Oil Trap
2m(6.6ft) or less
2m(6.6ft) or less
2m(6.6ft) or less
0.2m(0.66ft) or more
2m(6.6ft) or longer
2m(6.6ft) or longer
2m(6.6ft) or longer
Oil trap application method between outside units
- Because of the possibility of oil being accumulated in the outside unit
that has stopped, when there is a height difference between outside
unit pipes or if the pipe distance between the outside units is over
2m(6.6ft), you must always apply an oil trap. (But, the oil trap be-
tween outside units is limited to 1 time and is only applied to the gas
pipe.)
- If the pipe distance between the outside units is 2m(6.6ft)
or below, and if the location of the main pipe is lower than that of the
outside unit and if the location of the main pipe is lower than that of
the outside unit, the oil trap does not have to be applied.
- If the location of the main pipe is higher than the location of the out-
side unit, be careful since the oil can be accumulated in the stopped
outside unit.
- If there is high/low difference between the outside unit pipes, oil can
be accumulated to the outside unit on the lower location until the unit
stops.
- The pipes between the outside unit s must maintain horizontal level-
ness or give an inclination to prevent a back flow toward the slave
outside unit . Otherwise, the unit may not operate properly.
Examples of Wrong Pipe Connections
If the main pipe is
higher than the
outside unit, oil is
accumulated in the
outside unit.
If there are differences in the height
between the outside unit, oil is
accumulated in the lower outside unit.
Oil Trap
Toward indoor unit
Toward indoor unit
Pipe inclination
(2 or more)
Toward indoor unit
Toward indoor unit
Toward indoor unit
Toward indoor unit
(Example 1)
(Example 2)
(Example 3)
- Apply Oil Trap as shown below when the length of the pipe between
the outside unit s is more than 2m(6.6ft). Otherwise, the unit may not
operate properly.
(Example 1)
Toward indoor unit
Toward indoor unit
2m(6.6ft)
2m(6.6ft)
2m(6.6ft)
0.2m(0.66ft)
Oil Trap
(Example 2)
- When connecting the pipes between the outside unit s, the accumu-
lation of oil in the slave outside unit should be avoided. Otherwise,
the unit may not operate properly.
(Example 1)
Toward indoor unit
Toward
indoor unit
h
Toward indoor unit
(Example 2)
h
h
0.2m(0.66ft)
Toward indoor unit Toward indoor unit
Oil Trap
(Example 3)
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