Outdoor Unit
331
Super Match
Precautions on Installation
■ 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 x 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 airow, follow the installation
guidelines below.
■ For any of the below installation patters, the wall height on the exhaust side should be 1200mm or less.
Limitations on the installation
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 x 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.
2. Selecting a location for installation of the indoor units
■ The maximum allowable length of refrigerant piping, and the maximum 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)
Outdoor unit capacity class 3U19FS1ERA(N) 3U24GS1ERA(N)
4U26HS1ERA
4U30HS1ERA
5U34HS1ERA 5U45LS1ERA
Piping to each indoor unit 25m max. 25m max. 25m max. 25m max. 25m max.
Total length of piping between
all units
50m max. 60m max. 70m max. 80m max. 100m max.
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