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２
Piping In Floor Unit
１ Attachment of stop valve
1. Confirm that the ascending part of the pipe is in accordance
with the plumbing drawing.
2. Attach the stop valve to the pipes for hot water supply and
water supply.
Attach the stop valve so that its knob faces upward.
２ Attach the drain hose
1. Attach the drain hose packing (large) to the drainpipe end (VU40).
Drain hose packing
Drainpipe end
(large)
2. Attach the flexible hose (small)
Point 1
The drain hose may be too short if the pipe position is not proper.
Use the supplied drain hose (long) for the connection.
The drain hose (long) can be cut at the dashed line position.
Use an appropriate hose depending on the required length.
※ Check the distance between the drain trap and the
drainpipe carefully before cutting the flexible drain hose.
Point 2
Put the flexible drain hose through the stopper rings for
flexible hose (large and small) in advance and connect it to
the drain trap and the drainpipe.
Point 3
If the drainpipe end position is extremely deviated, it is recommend-
ed to use the elbow joint for VU40 to shift the end position.
(Prepare the elbow joint in advance.)
● Check for any kink to disturb the flow of the drain hose and any scratches and breaks on the
surface. The flow of the drainage can be interrupted or the drain hose can be broken, causing water
leakage.
● Check that the stopper ring for drain hose is surely fastened.
If not, leakage or slip-off of the drain hose may occur.
CAUTION
● Check for double-trapping. It reduces the flow of drainage.
In the case of double-trapping, check the installation position of the basin body and the ascending
part dimensions of the pipes and adjust them again.
※ Drain hose packing (small)
(Attached before shipment)
※ Fully engage the drain hose packing (large and small) until
the interior step meets the pipe end.
Drainpipe end
Flexible hose
packing (large)
Step
House end
16
Drain hose (long)
Accordion part
CAUTION
Make sure to hold the house end when you
attach the drain hose.
If you hold the accordion part of drain hose,
the hose may be damaged and it may course
the drainage failure or broken.
Stop valve
Drainpipe end
Flexible hose
packing (small)
Step
Cut
House end
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