Drain Piping - Haier HCFU-42CF03 Operation And Installation Manual

Installation of Indoor Unit

DRAIN PIPING

Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises or
traps in the pipe.
Use general hard polyvinyl chloride pipe (VP25)[outside diameter 38 mm.]
During installation of the drain pipe,be careful to avoid applying pressure to the drain
point of the unit.
When the pipe is long,install supporters(Fig 11).
Do not perform air bleeding.
Always heat insulate (8mm or over thick) the indoor side of the drain pipe.
Fig. 11
BAD
Supporter
GOOD
BAD
5 to 6.5 ft
(1.5 to 2m)
18