Samsung AM RN4 CH Series Installation Manual page 13

PVC Tube Joint
+VP25 (OD: 1.26 inch (32 mm), ID: 0.98
Drain hose
Drain hose
inch (25 mm))
CAUTION
Check that the indoor unit is level with the ceiling by
using the leveller.
• Install air ventilation to drain condensation smoothly.
Air ventilation
Air ventilation
• If it is necessary to increase the height of the drain
pipe, install the drain pipe straight within 11.81
inch(300 mm) from the drain hose port. If it is raised
higher than 21.65 inch (550 mm), there may be water
leaks.
Drain hose
Drain hose
Band joint
Band joint
11.81 inch (300 mm)
or less
• Do not give the hose an upward gradient beyond the
connection port. This will cause water to flow backwards
when the unit is stopped, resulting in water leaks.
Under gradient Under gradient
• Do not apply force to the piping on the unit side when
connecting the drain hose. The hose should not be
PVC Tube Joint
+ VP25 (OD: 32 mm, ID: 25 mm)
Drain pipe
Drain pipe
Ceiling
Ceiling
0.79 inch (20 mm) or more
1/100 or more
1/100 or more
21.65 inch(550 mm)
or less
Ceiling
Ceiling Ceiling
allowed to hang loose from its connection to the unit.
Fasten the hose to a wall, frame or other support as
close to the unit as possible.
Support pieces Support pieces
• Install horizontally.
Be horizontal
Be horizontal
Indoor unit
Indoor unit
Flexible hose
Flexible hose
• Max. allowable axis gap.
Indoor unit
Indoor unit
• Max. allowable bending angle.
Indoor unit
Indoor unit
NOTE
• If a concentrated drain pipe is installed, refer to the
figure below.
1 to 1.5 m
3.28 to 4.92 ft (1 to 1.5 m)
1/100 or more
1/100 or more
Ceiling
Ceiling
Max. 20 mm Max. 0.79 inch
(20mm)
Max. 30°
13
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