Floor Ceiling Tpye Fan Coil Unit
8
6 Drain Piping Work
CAUTION
M
ake sure the drain flows out.
Drain piping
(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:26 mm).
(3) Keep the drain pipe short and incline downwards at a gradient of at least 1/100 to prevent air
pockets (Refer to Fig.11).
(4) Use the attached drain hose.
④
and clamp
⑤
.Insert the drain hose completely into the drain
socket. Tighten the clamp within the range of gray tape until the screw head is less than 4 mm
from the hose (Refer to Fig.12,13).
(5) Wrap the attached sealing pad OD over the clamp and drain hose to insulate. (Refer to Fig.13)
(6) No folding of drain hose inside the unit (Refer to Fig.14).
(7)
Confirm that smooth drainage is achieved after the piping work.
(8) Pour 600cc of water into the drain pan from the air outlet for confirming drainage (Refer to
Fig.15).
Fig.11
Fig.12
Fig.13
Fig.15
Fig.14
Cramp
⑤
(A ccessory)
Large seeing pad
(A ccessory)
11
Watering can
Air outlet
4m
m o
r le
ss
(When drain hose is connected)
Incling the drain hose
Not to be lifted
No foldings
Not to be
soaking in water
Clamp
⑤
Drain hose
Daping area(Gray)
④
