Mounting of Indoor Unit
•
Mount the nuts and the washers to the suspension bolts.
Put the
washer so that the surface with insulation can faces
downwards as
shown below:
Suspension Bolts (Field-Supplied)
(mm)
Nut (Field-Supplied)
Washer with Insulation (Accessory)
Suspension Bracket (Attached Indoor Unit)
Washer (Accessory)
Nut (Field-Supplied)
Surface of Ceiling
Aprox. 50
100
Aprox. 50
•
Consider piping connection side before lift indoor unit.
•
Lift the indoor unit by hoist, and do not put any force on the
drain pan.
•
Secure the indoor unit using the nuts and washers.
Suspension bolt
Suspension
bracket
Drain pan
?
N O T E
•
If a false ceiling has already been installed, complete all piping and
wiring work inside the ceiling before hooking-up the indoor unit.
•
Secure the indoor unit using the nuts, and flat washers.
Adjusting of Space Between Indoor Units and
False Ceiling Opening
Adjust the indoor unit to the correct position while
checking with the pattern for installation.
Checking Scale for Dimension of
Opening
Pattern Board for
Installation
Packing (Corrugated Board)
For ceiling already completed with panels.
Indoor Unit
Attach this side of the scale to the inner
side of the opening of the ceiling
Attach this side of the scale to the
lower side of the unit
Indoor Unit
Attach this side
of the scale to
the ceiling Panel
Checking Scale
Check the height of
the ceiling at each
corner of the unit
Check the
dimension of
opening at each
side of the unit
Attach this side
of the scale to
the outer side of
the unit
Ceiling panel
Checking Scale
Ceiling not completed with panels yet
Dimension for Opening
Unit
Pattern Paper for
Installation
Dimension for Opening
Suspension Bolt
Surface of Ceiling
Pattern Board for Installation
Screw (M6)
Tighten the nuts of the suspension brackets after the
adjustment is completed. Apply LOCK-TIGHT paint to the
bolts and nuts in order to prevent them from loosening. If not
done, abnormal noises or sounds may occur and the indoor
unit may come loose.
3. REFRIGERANT PIPING
3.1 PIPING CONNECTION
3
.1.1
Piping Position
•
•
3
(mm)
84
90 (Liquid pipe)
76 (Gas pipe)
95 (Gas pipe)
160 (Liquid pipe)
157 (Liquid pipe)
ø30
Gas pipe connection
Liquid pipe connection
140(Gas pipe)