Samsung AC090FCAPEH Installation Manual page 31

Installing an oil trap
Check the following list and install an oil trap .
f Install an oil trap only when the outdoor unit is at a higher level than the indoor unit . f
f Based on cooling operation, install it on the gas side pipe only . f
f Install the oil trap only in between the outdoor unit and the first branch joint and it should be installed at every 10 m . f
f Radius of curvature (R) on the oil trap are as follows;
f
Pipe diameter (D)
Radius of curvature (R) 25 and over
f Height of the oil trap (H): 4R ≤ H ≤ 6R f
❋ ❋ When the indoor unit is installed at a higher
place than the outdoor unit
Outdoor unit
• If the compressor operates in the condition that the refrigerant pipe is not installed correctly and the service
valve is opened, the refrigerant pipe may intake air and the pressure inside the refrigerant cycle will increase,
CAUTION
which may result in explosion and injury .
• Make a hole (10 mm in diameter) on the insulation so that rain water can be drained in case it gets inside of the
insulation . However, be careful not to damage the pipe .
12 . 7 0 15 . 8 8
32 and over
Indoor unit
Oil trap
(Install it at every 10 m)
19 . 0 5 22 . 2 3
38 and over 41 and over
❋ ❋ When the outdoor unit is installed at a higher
place than indoor unit
Oil trap (Install it at
every 10 m)
Cut on insulation
25 . 4 0 28 . 6 0
51 and over 57 and over
Outdoor unit
Insulation
Indoor unit
Oil trap (Gas side pipe)
31 . 7 5
60 and over
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