AUU12RLF Installation Manual

En-8
Unit: mm (in.)
Prohibitions
NG:air bleeding
3/4 in.
1/100~1/50
1.5m~2m
(5' - 6' 6")
Hanging fitting
Downward gradient
3/4 in.
(O.D. 1-1/16 in)
(Local
arrangement)
700 (27-9/16) or less
300 (11-13/16)
Downward gradient
1/100 or more
Attach drain hose
Attach band
700 (27-9/16)
or less
O.D. 33 (1-5/16) or more
Downward gradient 1/100 or more
Horizontal or
upward gradient
WARNING
Do not insert the drain piping into the sewer where
sulfurous gas occurs. (Heat exchange erosion may
occur)
Insulate the parts properly so that water will not drip
from the connection parts.
Check for proper drainage after installation by using
the visible portion of transparent drain port and the
drain piping  nal outlet on the body.
CAUTION
Do not apply adhesive agent on the drain port of the
body. (Use the attached drain hose assembly to con-
nect the drain piping)
Installation procedure
1) Install the attached drain hose to the drain port of the body.
Install the hose band from the top of the hose within the
shown in the  gure area.
2) Use PVC glue to glue the drain piping (PVC pipe [3/4 in.
(O.D. 1-1/16 in)]) to the drain hose assembly.
(Apply color adhesive agent evenly until the gauge line and
seal)
3) Check the drainage. (See separate diagram)
4) Install the heat insulation.
5) Use the attached heat insulation to insulate the drain port
and hose band.
Install the knob facing upward
Attach hose band
(Accessories)
Locally installed
PCV pipe
Attach drain hose
(Accessories)
Attach heat insulation
(Accessories)
5〜10（3/16〜13/32）
20（25/32）
20（25/32）
Hose band
Transparent
visible portion
19
(3/4)
35（1-3/8）
4（5/32） or less
Applying area
of adhesive
Gauge line
Wind the attached heat insulation
around the hose band
Make sure the alignment
is on top
Make sure there
are no gaps
(a) Top view
・ Top view
(b) Side view
(c) Hose opening view
U
n
i
t: mm
(i
n.
)
Note)
Check for drainage
Pour about 1 liter of water from the position (see 9.4.Test run/
CHECKING DRAINAGE). Check for any abnormalities such
as strange noises and whether the drain pump functions nor-
mally
6.2. Pipe installation
CAUTION
Be careful that foreign matter (oil, water, etc.) does not enter
the piping with refrigerant R410A models. Also, when storing
the piping, securely seal the openings by pinching, taping,
etc.
While brazing the pipes, be sure to purge with dry nitrogen
gas.