Indoor Unit Drain Piping - LG MFL61971220 Installation Manual

THE INDOOR UNIT INSTALLATION
8
Air conditioner
Take enough
distance
2
Avoid installng air conditioner in such
places where cooking oil or iron powder is
generated.
3
Avoid places where inflammable gas is
generated.
4
Avoid place where noxious gas is generated.
5
Avoid places near high frequency generators.
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
The following parts is option.
① Hanging Bolt
- W 3/8 or M10
② Nut
- W 3/8 or M10
③ Spring Washer - M10
④ Plate Washer - M10
Keep the length of
the bolt from the
bracket to 40
mm(1-1/2 inch)
Air Conditioner body
Ceiling board
Keep the length of 15~18 mm(5/8~3/4 inch)
between the air conditioner bottom surface
and the ceiling surface
Paper model
for installation
Drill the piping hole on the wall slightly tilted to
the outdoor side using a Ø 70 hole-core drill.
CAUTION
!
Tighten the nut and bolt to prevent unit
falling.
Cooking table
Use the ventilation fan
for smoke-collecting
hood with sufficient
capacity.
Flat washer with insulation
attached (Install insulation to
be in contact with the indoor
unit hanger part.)
Flat washer for M10
(accessory)
Nut
(W3/8 or M10)
Ceiling
Ceiling board
Set screw of
paper model (4 pieces)
Open the ceiling board
along the outer edge of the
paper model
Wall
Indoor

Indoor Unit Drain Piping

- Drain piping must have down-slope (1/50 to
1/100): be sure not to provide up-and-down
slope to prevent reversal flow.
- During drain piping connection, be careful
not to exert extra force on the drain port on
the indoor unit.
- The outside diameter of the drain connection
on the indoor unit is 32 mm.
Piping material: Polyvinyl chloride pipe
VP-25 and pipe fittings
- Be sure to execute heat insulation on the
drain piping.
- Install the drain raising pipes at a right
angle to the indoor unit and no more than
300 mm from the unit.
Pipe clamp
Indoor unit
Maintenance
drain port
Outdoor
Upward
routing
not allowed