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HOW TO INSTALL THE INDOOR UNIT
4-Way Cassette 60×60 Type (Type Y2)
6-1. Preparation for Ceiling Suspension
This unit uses a drain pump. Use a carpenter’s level to check
that the unit is level.
6-2. Ceiling Opening Dimensions and Hanging Bolt Location
6-3. Positions of Air Conditioner Body and Ceiling Surface
During the installation, care must be taken not to damage
electric wires.
This air conditioner uses a drain up motor. Horizontally install
the unit using a carpenter’s level.
The paper model for installation expand or shrink according to
temperature and humidity.
Check on dimensions before using it.
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
M10 Spring washer
Flat washer for M10
(accessory)
Flat washer for M10
(accessory)
Nut
(W3/8 or M10)
Note: Customers should purchase* marked item.
(Two nuts used to avoid loose)
530
35
35
35
35
Drain pipe
600 (Ceiling opening)
(Unit: mm)
(Hanging bolt)
Refrigerant pipe
575 (Unit size)
530 (Hanging bolt)
600 (Ceiling opening)
575 (Unit size)
CAUTION
Tighten the nut and bolt to prevent unit from falling.
WARNING
The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions.
Be sure to discuss the ceiling drilling work with the workers concerned.
Open the ceiling board along the
outer edge of the paper model.
Adjust to the
same height
Ceiling
Air conditioner
body
Paper model
for installation
Set screw for paper
model (4 pieces)
283 mm
and above
Keep the length of the bolt
from the bracket to 40 mm
Fig. 1-127
Fig. 1-125
Fig. 1-126
293 mm
6-4. Installing the Drain Pipe
Heat insulator (Local
supply) (The thickness
must be at least 8 mm.)
Flexible hose with
heat insulator
(Accessory)
Hose clip (Accessory)
PVC pipe
(O.D. ø32)
(Local supply)
To be glued
It may be required to take off this part for checking or
servicing the drain up motor. Please do not glue.
Make sure that there is no clearance here.
Fig. 1-128
N OT E
Make sure the drain pipe has a downward gradient (1/100 or more) and that there are no water traps.
SM830231-02̲Single̲欧州.indb 394
SM830231-02̲Single̲欧州.indb 394
2014/09/19 13:22:05
2014/09/19 13:22:05