FTXS Installation Manual
10 ■English
Indoor Unit Installation
5. Drain piping
1)Connectthedrainhose,asdescribedright.
The drain hose should
be inclined downward.
No trap is permitted.
Do not put the end
of the hose in water.
2)Removetheairltersandpoursomewaterintothedrainpantocheckthe
waterowssmoothly.
3)Whendrainhoserequiresextension,obtainanextensionhosecommercially
available.
Besuretothermallyinsulatetheindoorsectionoftheextensionhose.
Indoor unit
drain hose
ϕ5/8” (ϕ16mm)
Extension drain hose
Heat insulation tube
(field supply)
4)Whenconnectingarigidpolyvinylchloridepipe
(nominaldiameter1/2inch(13mm))directlyto
thedrainhoseattachedtotheindoorunitaswith
embeddedpipingwork,useanycommercially
availabledrainsocket(nominaldiameter1/2inch
(13mm))asajoint.
Drain hose supplied with
the indoor unit
Commercially available drain
socket
(nominal diameter 1/2 inch
(13mm))
Commercially available rigid
polyvinyl chloride pipe
(nominal diameter 1/2 inch
(13mm))
ϕ5/8” (ϕ16mm)
01_EN_3P297301-2.indd 10 10/18/2011 2:00:52 PM