Drain Piping; Routing The Piping - Friedrich M18YJ Manuel D'installation

20

Drain piping

1
The drain hose should point downward for
easy drain flow.
2
Do not set the drain hose like the
following.
Water
leakage
Accumulated
drain water
Water
leakage
Tip of drain hose
dipped in water
Water
leakage
*The feature can be changed according a type
of model.
Downward slope
Do not raise
Air
Waving
Ditch
Less than
50mm gap

Routing the piping

Form the piping by wrapping the connecting
portion of the indoor unit with insulation mate-
rial and secure it with two kinds of vinyl tapes.
- 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.
Drain hose
In cases, where the outdoor unit is installed
below the Indoor unit, perform the following.
1
Tape the piping, drain hose and connecting
cable from down to up.
2
Secure the tapped piping along the exterior
wall using saddle or equivalent.
In cases, where the outdoor unit is installed
above the Indoor unit, perform the following.
Seal small openings
around pipings with a
gum type sealant.
Saddle
Trap is required to prevent water
from entering into electrical parts.
Pipe
Vinyl tape(narrow)
Wrap with
vinyl tape(wide)
Connecting cable
Pipings
Taping
Drain hose