52
12.5.5 Drain Pipe
CAUTION:
make sure the drain flows out.
Drain pipe
1. The drain pipe outlet direction can be chosen from either the right rear or right.
2. The diameter of the drain pipe should be equal to or greater than the diameter of the connecting
pipe. (Vinyl tube: pipe size:20 mm, outer dimension: 26mm)
3. Keep the drain pipe as short as possible and incline downwards at a gradient of at least 1/100 to
prevent air pockets (See Fig.65)
4. Use the drain hose ④ and clamp ⑤. Insert the drain hose completely into the drain socket, and
tighten the clamp within the range of the gray tape unit the screw head is less than 4mm above the
hose (See Fig.66, 67)
5. Insulate the clamp and drain hose by wrapping the sealing pad over them.
6. No folding of the drain hose is allowed in the indoor unit. (See Fig.68)
Confirm that smooth drainage is achieved after the pipe working.
Inject 600cc water into the drain pan from the air outlet to see if the drainage goes well or not. (See
Fig.69)
Fig.65
Fig.68
Fig.67
Fig.66
Fig.69
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