Indoor Unit Drain Piping - LG AUUW096D Installation Manual

Indoor Unit Drain Piping

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 32mm.
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
300mm from the unit.
Heat insulation material: Polyethylene foam with thickness more than 8 mm.
34
Pipe clamp
Indoor unit
Maintenance
drain port
300mm or less
Clamp metal(attached)
Upward
routing
not allowed
1 -1.5m
Drain raising pipe
Drain hose(attached)
Flexible drain hose