Installation Manual
SiBE12-908
69
Installation / Operation Manual
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 patterns, the wall height on the exhaust side should be 1200mm or less.
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.)
5
Wall facing one side
Walls facing two sides
More than 50
More than 100
1200
or less
Side view
More than 50
Top view
More
than 100
More than 150
More than 50
Walls facing three sides
More than 150
More than 300
Top view
More than 50
unit: mm
Indoor Unit
Level
difference:
15m max.
Level
difference:
7.5m max.
Outdoor Unit
Level
difference:
15m max.
Level
difference:
7.5m max.
Outdoor Unit
Indoor Unit
If the outdoor unit is positioned higher than the indoor units.
If the outdoor unit is positioned otherwise. (If lower than
one or more indoor units.)
Piping to each indoor unit
ROOM A, B: 15m max.
Total length of piping between all units
30m max.