Checking The Drainage And Forming The Pipings; Drain Piping - LG AS-H096PBC0 Service Manual

4. checking the Drainage and forming the pipings

1) Checking the drainage
1. To check the drainage.
• Pour a glass of water on the evaporator.
• Ensure the water flows through the drain hose of the
indoor unit without any leakage and goes out the
drain exit.

2. Drain piping

• The drain hose should point downward for easy drain
flow.
• Do not make drain piping.
Accumulated
Do not raise
drain water
Water Water
Waving
leakage leakage
2) Form the piping
1. Form the piping by wrapping the connecting por-
tion of the indoor unit with insulation material
and secure it with two kinds of vinyl tapes.
Downward slope
Tip of drain hose
Air
Less than
dipped in water
50mm gap
Water
leakage
Ditch
• If you want to connect an additional drain hose, the
end of the drain outlet should be routed above the
ground. Secure the drain hose appropriately.
2. In cases where the outdoor unit is installed
below the indoor unit perform the following.
• Tape the piping, drain hose and connecting cable
from down to up.
• Secure the tapped piping along the exterior wall
using saddle or equivalent.
Seal small openings
around pipings with a
gum type sealer.
Trap is required to prevent water
from entering into electrical parts.
3. In cases where the Outdoor unit is installed
above the Indoor unit perform the following.
• Tape the piping and connecting cable from down to
up.
• Secure the taped piping along the exterior wall. Form
a trap to prevent water entering the room.
• Fix the piping onto the wall by saddle or equivalent.
-28-
Taping
Drain
hose
Pipings
Connecting
cable
Seal a small opening
around the pipings
with gum type sealer.
Trap
Trap