5
Installation Guidelines
• 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 patterns, the wall height on the exhaust side should be 47-1/4 inch (1200mm) or less.
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, fix the unit securely by means of the foundation bolts. (Prepare 4 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 3/4 inch (20mm) from the foundation surface.
Outdoor Unit Installation
1.
Installing outdoor unit
1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” and the “Outdoor Unit Installation
Drawings”.
2) If drain work is necessary, follow the procedures below.
2.
Drain work (Heat pump models)
1) Use drain plug for drainage.
2) If the drain port is covered by a mounting base or floor surface, place
additional foot bases of at least 1-1/4 inch (30mm) in height under the outdoor
unit’s feet.
3) In cold areas, do not use a drain hose with the outdoor unit.
(Otherwise, drain water may freeze, impairing heating performance.)
More than 1-15/16 (50) More than 1-15/16 (50)
More than 5-7/8 (150)
More than
3-15/16 (100)
More than 1-15/16 (50) More than 3-15/16 (100)
Side view
47-1/4
(1200)
or less
Wall facing one side Walls facing two sides
Top view
Top view
unit: inch (mm)
More than 5-7/8 (150)
More than 11-13/16 (300)
More than 1-15/16 (50)
Walls facing three sides
3/4”
(20mm)
Drain port
Bottom frame
Drain plug
Hose (available commercially,
inner dia. 5/8 inch (16mm))
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