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Central drain process
When conveying multiple drain pipes, install according to the procedure shown below.
•
For Compact cassette type, and Circular flow cassette type, and Cassette type
4 in. (100 mm) or more
A
T-joint converging drain pipes
VP30 (O.D. 1-1/2 [38 mm]) or more
Downward gradient 1/100 to 1/50
A
Compact cassette type 28 in (700 mm) or less
Circular flow cassette type
type
Cassette type
34 in (850 mm) or less
• For High static pressure duct
type
• For Mini duct
type and Slim duct type
Select converging drain pipes whose diameter is suitable for the operating capacity of the unit.
5-2. Indoor unit - (06-75) - 5. Drain connection
SYSTEM
DESIGN
SYSTEM
DESIGN
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