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■ Floor Surface
○ Ensure that the material or finishing of the floor surface is waterproof or has a waterproof coating applied.
○ Always ensure that the floor surface is horizontally level.
○ Ensure that the floor surface is smooth and free from bumps around the attachment areas.
○ Prevent the step height of floor joint.
○ Be sure to use a floor panel of 3 mm thickness.
○ Use a hard floor panel made of polyvinyl chloride (PVC) tiles, etc.
○ Do NOT use a cushion floor. Using a cushion floor may cause troubles in detaching and attaching the upper unit.
○ For installation of upstairs, make sure to take appropriate waterproof measures.
○ Do not use a floor panel with significant bumps or dents that disturb transfer of the upper unit.
○ Do not use a floor panel that becomes slippery when water is leaking.
■ Water Leakage
Make sure to prevent the water leakage for the worst.
○ Use the waterproof material for the floor.
○ If the product is installed on the floor above a room, always make sure to take appropriate waterproof measures
(waterproofing work, installation of a stainless steel pan, attachment of a leakage sensor, etc.).
○ This company will not bear any responsibility whatsoever for water leakage due to the waterproof installation failure.
■ Installation Of Pipes
The following are important points to adhere to during the installation of pipes.
Read through the details carefully and ensure that the pipes are installed correctly.
・When installing this product, ensure that installation of pipes adheres to the instructions outlined in "CAUTIONs during
installation of pipes". Installing pipes without reading through the CAUTIONs will mean water may not mix properly,
and a set temperature will not be achieved.
・This product is designed for indoor installation. Always install this product indoors.
■ Plumbing
● Diameter of pipes and gradient of drain line
・Use dependent drainage for YUME OASIS only.
・Layout the drain line in a straight line as best as possible.
Number of upper units to
be used simultaneously
2 units or less
3 units or more
CAUTION
● Drainpipe end treatment (Ascending part dimensions)
Refer to the Plumbing Drawing on page 2.
Diameter of Drainpipe
At least VU 75
＜CAUTION＞
Use a drainpipe of appropriate diameter according to the
number of units to be installed.
Make sure that the drainpipe does not have double trapping.
Drain failure or abnormal noises may occur.
At least VU 50
4
Gradient of drain line
At least 1/50
At least 1/100
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