100 mm (4")
1
INSTALLATION PROCEDURE
Install the room air conditioner as follows:
PREPARING INDOOR UNIT
INSTALLATION
1. REMOVE THE INTAKE GRILLE
Open the intake grille and remove the three screws.
Remark: The main unit can be wired before the indoor unit is in-
stalled. Select the most appropriate installation order.
Machine screw
Tapping screw
Intake grille
Tapping screw
2
INDOOR UNIT INSTALLATION
A. FLOOR CONSOLE TYPE
1. DRILLING FOR PIPING
Select piping and drain directions.
The piping and drain can be made in three directions as shown below.
The drain hose can be connected to either the left or right side.
Drain hose
(Right side)
Drain hose
(Left side)
When installing set to wall install the accessory wall bracket at the posi-
tion shown in figure, and mount the set to it.
Wall
Outdoor side
6 mm (1/4")
Indoor side
2. INSTALLING THE DRAIN HOSE
Select whether the drain hose will be connected to the left or right side.
Insert the drain hose into the drain pan, then secure the drain hose with a
nylon fastener.
Nylon fastener
Wrap the insulation (drain hose) around the drain hose connection.
Drain pan
Drain hose
Insulation (Drain hose)
Drain pan
Drain hose
Be sure to arrange the drain hose so that it is leveled lower than the drain
hose connecting port of the indoor unit.
CAUTION
Do not install the unit so that the drain hose side is too
high. Height A should be less than 5 mm (3/16").
Arrange the drain
hose lower than
this portion.
Drain hose
B. UNDER CEILING TYPE
Using the installation template, drill holes for piping and anchor bolts (for
holes).
Drain hose
900 mm (35-7/16")
200 mm
(7-7/8" )
Drilling position
for piping
Installation
template
Drilling position
for anchor bolt
Ceiling
Wall
1. DRILLING FOR PIPING
Select piping and drain directions.
CAUTION
Install the drain hose at the rear; it should not be installed
on the top or right side.
When the directions are selected, drill 80 mm (3-1/8") and 50 mm (2") or
150 mm (6") dia. hole on the wall so that the hole is tilted downward to-
ward the outdoor for smooth water flow.
Top
Rear (Install the
drain hose in this
direction.)
Right
Wall
6 mm (1/4")
Indoor side
Outdoor side
When the directions are selected, drill a 10 cm (4") dia. hole on the wall so
that the hole is tilted downward toward the outdoor for smooth water flow.
When the pipe is led out from the rear, make a hole in figure, at the posi-
tion shown.
2. DRILLING HOLES FOR ANCHOR BOLTS AND
INSTALLING THE ANCHOR BOLTS
With a concrete drill, drill four 12.7 mm (1/2") dia. holes.
60 to 70 mm
(2-3/8" to 2-3/4")
ø 12.7 mm (1/2")
3. INSTALLING BRACKETS
Install the brackets with nuts, washers and spring washers.
Insert the anchor bolts into the drilled holes, and drive the pins completely
into the anchor bolts with a hammer.
Apply the indoor unit to the brackets.
Spring
washer
Special nut
Bracket
Bracket (Left)
Bracket (Right)
4. INSTALLING INDOOR UNIT
Reset the hex bolts as shown in figure.
Hex bolt
Indoor unit
8 to 13 mm
(5/16" to 1/2")
Bolt
Bracket
Indoor unit
Now, securely tighten the hex bolts in both sides.
5. INSTALLING THE DRAIN HOSE
Select whether the drain hose will be connected to the left or right side.
Insert the drain hose into the drain pan, then secure the drain hose with a
nylon fastener.
Wrap the insulation (drain hose) around the drain hose connection.
Be sure to arrange the drain hose so that it is leveled lower than the drain
hose connecting port of the indoor unit.
Remove the hole cover.
Drain hose
Arrange the drain hose
lower than this portion.
Piping hole
VT wire
hole
Pass the drain hose
through here.
Base (Bottom)
Cut the grille
VT wire
Drain hose
Intake grille
50 cm (20")
24.5 cm
(9-5/8")
6.5 cm (2-1/2")
10 cm (4") hole
5 cm (2") hole
12.5 cm (5")
10 cm (4")
6.5 cm (2-1/2")
65.5 cm (26")
53 cm (21")
4.5 cm (1-3/4")
Wall bracket
Side of set
99 cm (39")
OK
NO
When drain hose is arranged backward.
Secure the drain hose with the VT wire.