1-1231-122
Tighten the hose clamps so their locking nuts face
upward. (Fig. 1-39)
Align the wire of hose band without separating from the drain
hose and tighten so that it does not contact the bead.
Drainage check
section on drain port
(transparent)
Drain hose
(supplied)
Hard PVC
socket
VP-25
(not supplied)
Hard PVC pipe
VP-25
(not supplied)
Bead
Packing
(supplied)
PVC
adhesive
Fig. 1-39
(2) After connecting the drain pipe securely, wrap the supplied
packing and drain pipe insulator around the pipe, then
secure it with the vinyl clamps. (Fig. 1-40)
Drain insulator (supplied)
Vinyl clamps
(field supply)
Fig. 1-40
NOTE
Make sure the drain pipe has a downward slant (1/100 or more)
and that there are no water traps.
CAUTION
Do not install an air bleeder as this may cause
water to spray from the drain pipe outlet. (Fig. 1-41)
Prohibited
Air bleeder
Fig. 1-41
If it is necessary to increase the height of the drain
pipe, the section directly after the connection port
can be raised a maximum of 1.64 ft. (500 mm). Do
not raise it any higher than 1.64 ft. (500 mm), as
this could result in water leaks. (Fig. 1-42)
11-13/16" (300 mm) or less
19-11/16" (500 mm) or less
Good
Fig. 1-42
Do not install the pipe with an upward slant from the
connection port. This will cause the drain water to flow
backward and leak when the unit is not operating.
(Fig. 1-43)
Upward slant
Prohibited
Fig. 1-43
Do not apply force to the piping on the unit side when
connecting the drain pipe. The pipe should not be allowed to
hang unsupported from its connection to the unit. Fasten the
pipe to a wall, frame, or other support as close to the unit as
possible. (Fig. 1-44)
Support pieces
Fig. 1-44
01Eng_VRF_System Air Conditioner_US.indd 9 2014/9/4 15:05:10
6-4. Connecting Duct
outlet duct (field supply)
outlet port (field supply)
AIR FLOW
filter chamber with middle/
high-performance filter
(field supply)
canvas duct
(field supply)
Intake grille with
low-performance
filter (field supply)
(1) Install the duct (field supply) to air intake port side.
See the figure for the dimension of the installation hole.
Use M5 self-tapping screws for installation.
(Fig. 1-45)
NOTE
• To get clean air and to extend the service life of the air
conditioner, an air filter must be installed in the air
intake.
For installation and cleaning the air filter, consult your
dealer or service center.
(2) Install the duct (field supply) to air outlet port side.
• Connection to the duct flange (supplied)
See the figure for the dimension of the installation hole.
Use M4 self-tapping screws for installation.
49/64
(19.4)
1-5/32
(29.4)
6-1/16
(154)
ABC
D
= 5-29/32”(P150) x
1-1/16
(27)
7-21/64
(186)
5-33/64
(140)
29/32
(23)
E
-ø1/8” (ø3) holes
(for M4 self-tapping screw)
unit: inch (mm)
• Connection to the duct flange (optional)
See the figure for the dimension of the installation hole.
FGH
ø7-7/8
(ø
[
unit: inch (mm)
pitch
H
K
G
H
J
- ø5/32” (ø4.1) holes
1-31/32
(50)
1-31/32
(50)
(250)
5-29/32
(150)
9-27/32
For 13/64” (M5) self-tapping screw
Type GHJK
26
inch 35-7/16 (Pitch 5-29/32 × 6) 63/64 33/64
18
mm 900 (Pitch 150 × 6) 25 13
36
inch 53-5/32 (Pitch 5-29/32 × 9) 0 33/64
24
mm 1,350 (Pitch 150 × 9) 013
Type ABCDE
26
inch
29-17/32
5
53/64 31-3/16
16
mm 750 21 792
36
inch 41-11/32
7
2-51/64 46-59/64
20
mm 1050 71 1192
Type FGH
26
inch
11-7/16
10-15/64
2
mm 290 260
36
inch 12-13/32 11-7/16
3
mm 315 290
Fig. 1-45
01Eng_VRF_System Air Conditioner_US.indd 10 2014/9/4 15:05:11
1
SM830203-04.indb 122 15/10/16 10:44:57
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