15
• Fig. 3-36 shows an example of installation.
Bolt anchor
Suspension bolt
Air intake duct
Air intake grille
Clamps (supplied)
Hose band (supplied)
Hard PVC pipe
(not supplied)
Packing (supplied)
To be installed
at the site
Camps (supplied)
Drain insulator (supplied)
gap
Indoor unit
Ceiling material
Air outlet grille
Air outlet duct
Fig. 3-36
3-11. Installing the Drain Piping
(1)
Prepare standard hard PVC pipe (O.D. 32 mm) for the
drain and use the accessory hose band to prevent
water leaks. The PVC pipe must be purchased
separately.
When doing this, leave a gap between the drain socket
of the unit and the PVC pipe to allow the drainage to
be checked (Fig. 3-88).
CAUTION
• Tighten the hose clam-
ps so their locking
nuts face upward. (Fig.
3-88)
(2)
After connecting the drain pipe securely, wrap the supplied
packing and drain pipe insulator around the pipe, then
secure it with the supplied clamps. (Fig. 3-38)
NOTE
Make sure the drain pipe has a downward gradient (1/100 or
more) and that there are no water traps.
Fig. 3-37
Fig. 3-38
EG
Fig. 3-35
Fig. 3-34
(1)
When placing the unit inside the ceiling, determine the
pitch of the suspension bolts refering to the dimensional
data on the previous page. (Fig. 3-31).
Tubing must be laid and connected inside the ceiling
when suspending the unit. If the ceiling is already
constructed, lay the tubing into position for connection
to the unit before placing the unit inside the ceiling.
(2)
Screw in the suspension bolts allowing them to protrude
from the ceiling as shown in Fig. 3-32 (Cut the ceiling
material, if necessary).
(3)
Thread the 2 hexagonal nuts and washers (field supply)
onto the 4 suspension bolts as shown in Figs. 3-34
and 3-35. Use 2 sets of nuts and washer, so that the
unit will not fall off the suspension lugs.
Hex nut
Suspension bolt
Nuts and washers
(2 sets)
Suspension bolt
Suspension lug
Upper
Lower