34
• 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.
• 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.
Maintenance
drain port
Upward
routing
not allowed
Pipe clamp
Indoor unit
700 or less
1 -1.5m
300mm or less
Flexible drain hose
Clamp metal(attached) Drain hose(attached)
Drain raising pipe
Piping material: Polyvinyl chloride pipe VP-25
and pipe fittings
Heat insulation material: Polyethylene foam with thickness more than 8 mm.
Indoor Unit Drain Piping
Indoor Unit Drain Piping
1,MFL67855401,영영 2017. 6. 29. 영영 1:50 Page 34
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