Samsung CNH HDB Series Technical Data Book page 104

Installation
Wall Mounted Type CNH30/36TDB(AC030/036BNTDCH/AA)
4 Cut off the remaining foam insulation.
5 If necessary, bend the pipe to fit along the bottom of the indoor
unit. Then pull it out through the appropriate hole.
• The pipe should not project from the rear of the indoor
unit.
• The bending radius should be 3.94 inch (100 mm) or
more.
6 Pass the pipe through the hole in the wall.
7 For further details on how to connect to the outdoor unit and
purge the air, refer to Step 4 Purging the unit.
NOTE
• The pipe will be insulated and fixed permanently into
position after finishing the installation and the gas leak test;
refer to page 10 for further details.
• DO NOT WALL UP THE PIPE CONNECTION!
All refrigerant pipe connection must be easy accessible and
serviceable.
Installing and connecting the drain hose
1 Install the drain hose.
Drain hose
Indoor unit
Drain hose
Slant downwards
Bent
2 Pour water into the drain pan. Check whether the hose is well
drained.
CAUTION
• Make sure that the indoor unit is in upright position when you
pour water to check for leakage. Make sure that the water does
not overflow onto the electrical part.
• If the diameter of the connection hose is smaller than the
product's drain hose, water leakage may occur.
Assembly pipe Connection hose
Wall
Slant upwards
Dipped in water
1.97inch(5 cm)less
Ditch
Too small clearance
Too small
clearance
• Inadequate installation may cause water leakage.
• If the drain hose is routed inside the room, insulate the hose
so that dripping condensation does not damage the furniture
or floors.
• Do not box in or cover the drain hose connection.
Drain hose connection must be easily accessible and
serviceable.
Optional: Extending the drain hose
Drain hose (A) Extension drain hose (B)
1.57~1.97inch(40~45mm)
(A)
Drain hose
Extension drain hose
0.79inch (20mm) or more
Vinyl tape
Optional: Changing the direction of the
drain hose
Change the direction only when it is necessary.
1 Detach the rubber cap with the flyer.
Drain hose
2 Detach the drain hose by pulling it and turning to the left.
3 Insert the drain hose by fixing it into the groove of the drain
hose and the outlet of the drain pan.
(B)
Foam insulation
Screw hole
Screw
Drain pan
outlet
Rubber cap