Piping to each indoor unit
Total length of piping between al lunits
Outdoor unit capacity class
50m max.
3U19FS1ERA
25m max.
70m max.
25m max.
80m max.
25m max.
4U25HS1ERA
4U30HS1ERA
5U34HS1ERA
20
Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installed.
In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts.(Prepare four sets of M8 or M10
foundation bolts, nuts and washers each which are available on the market.)
It is best to screw in the foundation bolts until their length are 20mm from the foundation surface.
Outdoor Unit Installation Guideline
Where a wall or other obstacle is in the path of outdoor unit's intake or exhaust airflow, follow the installation guidelines below.
For any of the below installation pattems, the wall height on the exhaust side should be 1200mm or less.
Limitations on the installation
2.Selecting a location for installation of the indoor units
The maxinum allowable length of refrigerant piping, and the maxmum allowable height difference between the outdoor and indoor units,
are listed below. (The shorter the refrigerant piping, the better the performance. Connect so that the piping is as short as possible. Shortest
allowable length per room is 3m)
1.Precautions on installation
Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise after installation.
In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts.
It is best to screw in the foundation bolts unit their length are 20 mm from the foundation surface.
More than 50
More than 300
1200 or
less
Side view
Wall facing one side
More
than 100
More
than 100
More
than 50
More
than 300
Side view
Wall facing two sides
More than 150
More
than 50
More than 300
Side view
Wall facing three sides
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