30 30
30
,
downward slope.
Correct piping
Support metal
Air bleeder
Raised
Odor trap
Grouped piping
Make it as large as possible
Indoor unit
Up to 850 mm
5. Insulate the drain port with insulating material, then secure the material with a
Main unit
Insulating material
Insertion margin
Matching
Drain socket
Max. 20 m
1.5–2 m
Max. 150 mm