01_EN_3P211822-2C.fm Page 8 Tuesday, November 27, 2007 6:31 PM
Indoor Unit
5.
Drain piping.
1) Connect the drain hose, as described right.
2) Remove the air filters and pour some water into the drain pan to check the water
flows smoothly.
3) When drain hose requires extension, obtain an extension hose commercially available.
Be sure to thermally insulate the indoor section of the extension hose.
4) When connecting a rigid polyvinyl chloride pipe
(nominal diameter 13mm) directly to the drain
hose attached to the indoor unit as with embedded
piping work, use any commercially available drain
socket (nominal diameter 13mm) as a joint.
8
Drain hose supplied with
Commercially available drain
the indoor unit
socket
(nominal diameter 13mm)
The drain hose should
be inclined downward.
No trap is permitted.
Do not put the end
of the hose in water.
Extension drain hose
Indoor unit
drain hose
Heat insulation tube
(Field supply)
Commercially available rigid
polyvinyl chloride pipe
(nominal diameter 13mm)
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