Daikin FTXP25M5V1B9 Installer's Reference Manual page 25

FTXP20~35M5V1B9
Split system air conditioners
4P519439-7S – 2021.12
▪ Pipe size. If drain hose extension or embedded drain piping is required, use
appropriate parts that match the hose front end.
NOTICE
▪
Install the drain hose with a downward slope.
▪
Traps are NOT permitted.
▪
Do NOT put the end of the hose in water.
▪ Drain hose extension. To extend the drain hose, use a field supplied hose with
inner Ø16 mm. Do NOT forget to use a heat insulation tube on the indoor section
of the extension hose.
a
a Drain hose supplied with the indoor unit
b Heat insulation tube (field supply)
c Extension drain hose
▪ Ridgid polyvinyl chloride pipe. When connecting a ridgid polyvinyl chloride pipe
(nominal Ø13 mm) directly to the drain hose as with embedded piping work, use
a field supplied drain socket (nominal Ø13 mm).
a
a Drain hose supplied with the indoor unit
b Drain socket with nominal Ø13 mm (field supply)
c Ridgid polyvinyl chloride pipe (field supply)
▪ Condensation. Take measures against condensation. Insulate the complete drain
piping in the building.
1 Insert the drain hose in the drain pipe as shown in the following figure, so it
will NOT be pulled out of the drain pipe.
mm
a b c
b
6 Unit installation
|
c
Installer reference guide
25